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The protective function of the larynx may be graos neurophysiologically by examining the glot tic closure reflex. This simple reflex produces protective laryngeal closure during deglutition.

Of note is the fact that this reflex is absent or diminished in newborn animals, whose central and peripheral nervous systems are not fully developed.

In adult animals, electrostimulation of the superior laryngeal nerve SLN produces a low-threshold evoked action potential in the adductor branches of the recurrent laryngeal nerve RLN. In humans, the threshold of the adductor reflex measures 0. Unlike common animal models, however, human subjects do not have a crossed adductor reflex; i. Thus, unilateral SLN dysfunction or injury in humans may result in a failure to activate the ipsilateral cord, a condition predisposing to aspiration despite a functional RLN on both sides.

In healthy subjects, sphincteric closure of the upper airway produced by bilateral SLN stimulation results in protective adduction of three muscular tiers within the laryngeal framework. The highest level of closure occurs at the aryepiglottic folds, which contain the most superior division of the thyroarytenoid TA muscle.

With reflex contraction of these fibers, the aryepiglottic folds approximate to cover the superior inlet of the larynx.

Juvenile Nasopharyngeal Angiofibroma | Otorrinos2do’s Blog

At this level the anterior gap is filled by the epiglottic tubercle, completing the first of three sphincteric tiers of protection.

A me- chanical phenomenon protects the airway during reflexive swallow. The forward posture of the tongue and coupling of the base of tongue, hipertroria bone, and thyroid cartilage position the larynx in a superior-anterior posture during reflexive swallow. The second tier of protection occurs at the level of the false cords, consisting hipertroifa bilateral folds that form the superior aspect of the laryngeal ventricles. Laterally, along each fold are fibers of the.

A muscle that are capable of bringing the folds together in a reflex response to SLN stimulation.

The third tier of protection occurs at the level of the true vocal cords, which in humans are shelflike, with slightly upturned free edges. The inferior division of the TA muscle forms the bulk of each shelf, producing the potential for strong reflex protective closure.

In conjunction with the passive valvular ef — fect caused by the upturned borders of the cord margin, the true cords represent the most effective of the three barriers to aspiration. Although classically the glottic closure reflex may be elicited by direct SLN stimulation, other sensory stimuli can also cause this basic reflex response.

For example, stimulation of all major cranial afferent nerves produces strong laryngeal adductor responses, as does stimulation of other special sensory and spinal somatosensory amigcalina. In cats, reflex action potentials in the adductor branch of the RLN can be elicited by electrostimulation of the optic, acoustic, chorda tympani, trigeminal, splanchnic, vagus, radial, and even intercostal nerves.

In humans, the afferent input from a tight posterior nasal pack in the nasopharynx is thought to cause inspiratory hipertrkfia by inducing the glottic closure reflex.

The suscep- tibility of this graxos response to such diverse sensory input is unique and emphasizes its primitive role in protecting the lower airway from potentially noxious stimuli. When exaggerated, the glottic closure reflex produces grxdos, a condition in which closure is sustained even after the withdrawal of a noxious glottic or supraglottic stimulus.

An understanding of laryngeal spasm has important clinical ramifications, particularly during induction of general anesthesia. Neurophysiologic studies of laryngeal spasm have shown prolonged adductor spike activity in the RLN.

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This spike activity characteristically has no precise temporal relation Le. Afferent stimuli capable of producing laryngospasm are conducted solely by the SLN. Although other afferents may elicit simple glottic closure, they do not produce the adductor afterdischarge activity that is characteristic of laryngospasm. In experimentally induced laryngospasm, the char — acteristic output of the brain stem adductor mo-toneuron aggregate is sfcrongly modified by the level of barbiturate administration.

The deeper the anesthesia, the hiperrtofia the number of afterdis-charges elicited by repetitive SLN stimulation. This response is not surprising because hiperyrofia both increase the refractory period of active motoneurons and impair their synaptic transmission.

This explains the markedly impaired motor output elicited by repetitive SLN stimulation during deep barbiturate anesthesia. Hypoventilation is another cause of depressed adductor motor function. A possible mechanism is suggested by the fact that hypoxia preferentially abol-ishes postsynaptic potentials.

These experimental data are consistent with the clinical observation that laryngospasm occurs more often in well-ventilated than in cyanotic patients, the spasm often breaking spontaneously as the patient becomes increasingly hypoxic. Finally, it should be recognized that SLN stimulation not only excites the adductor response, but also inhibits medullary inspiratory neurons.


This action results in decreased laryngeal abductor function as well as diminished phrenic nerve activity, causing reflex apnea. This is just one of the many examples of close coordination between respiration and laryngeal function, in this case, preventing inspiration or expiration against a closed glottis.

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No abstract text available Text: Built-in zener diode between C and B: Transistor with built-in bias.

2SC5570 Datasheet

Transistor Product List Power transistors for audio power amplifiers Packagepackage. These types of transistor are suitable for low-output AC adapters and ballast lamp applications.

The switching timestransistor technologies. The various options that a power transistor designer has are outlined.

2SC datasheet & applicatoin notes – Datasheet Archive

The transistor characteristics are divided into 2cs5570 areas: We shall limit our discussion to the horizontal deflection transistorat frequencies around 16kHz. The current requirements of the transistor switch varied between 2A.

Transistor U tilization Precautions When semiconductors are being used, caution must be exercisedheat sink and minimize transistor stress. Non-volatile, penetrate plastic packages and thus shorten the life of the transistor.

The base oil of Toshiba Silicone Grease YG does not easily separate and thus does not adversely affect the life of transistor. RF power, phase and DC parameters are measured and recorded.

Figure 2techniques and computer-controlled wire bonding of the assembly. The manufacture of the transistor can bebetween the relative insertion phase length of a transistor and fluctuations in a 2zc5570 of variablesactive base width of the transistor.

2SC Datasheet PDF – Toshiba

Sheet resistance of the dopedtransistor dice as many as six single-packaged transistor and the accompanying matched MOS capacitors. The molded plastic por tion of this unit is compact, measuring 2.

Transistor Q1 datasneet the inputimplemented and easy to expand for higher output currents with an external transistor.

With built- in switch transistorthe MC can switch up to 1. But for higher outputtransistor s Vin 0.

Glossary of Microwave Transistor Terminology Text: Transistor Structure Typestransistor action. In way of contrast, unipolar types include the junction-gate and insulatedgateof transistor terms commonly used in Agilent Technologies transistor data sheets, advertisementspotentially ambiguous due to a lack of terminology standardization in the high-frequency transistor area. Previous 1 2


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Language English English Telugu. Date Picker Change Date. Location HyderabadAndhra PradeshIndia. Date Sunrise Sunset Ashvina – Kartika Shaka Year: K Thrayodasi — K Chathurdasi — K Amavasya — S Padyami — S Vidiya — S Thadiya — S Chavithi — 7: S Shashti — ND 2: S Sapthami — ND 0: S Ashtami — S Navami — S Dasami — S Ekadasi — S Dwadasi — S Thrayodasi — S Chathurdasi — S Pournami — K Padyami — K Vidiya — ND 0: K Thadiya — ND 2: K Chavithi — ND 4: K Panchami — ND 7: K Panchami — 7: K Shashti — 9: K Sapthami — K Ashtami — K Navami — K Dasami — K Ekadasi — K Dwadasi — Kartika 12, Amavasya Click on the date for more Info.

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See also Rate equation approach Atom gyroscope, Atom interferometry, , 23optical dipole traps, , Fabry-Rot type, optical. fiber Michelson interferometer, Sensors and Actuators B-Chemical , , gas pressure sensor based on Fabry rot interferometer. a GiresTournois interferometer GTIor by chirped mirrors is sufficient a Fabryrot geometry, semiconductor saturable-absorberrrors SESAM.

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Post on Oct views. Indosopubrgrsuanmathan conventional solid-state lasers. The broad flu-orescence spectra make different fiber gain mediaattractive for tunable and ultrashort pulse sources.

Cw operation of a Nd: For erbium-doped fiberers, tuning over 35 nm was achieved in an activelyde-locked system4 and over 50 nm in an additive-lse mode-locked fiber soliton laser.

Passively mode-lockedfiber lasers that operate in the normal group-velocitydispersion GVD region of silica glass 1. With use of photonic crystal fi-bers it is possible to obtain soliton pulse operation atshorter wavelengths. Orsilas e-mail address is lasse.

Gomes, Ning Xiang, Tomi JouA fabrryrot fiber laser is demonstratecm-long of highly doped ytterbiumuse of a novel semiconductor saturaps-pulse mode-locked operation waslocked Yb-doped fiber laser was devOverall group-velocity dispersion wcompact amplifying loop cavity. Swavelength range with a fundamenOCIS codes: The recent, unprecedentedowth of the telecommunications industry has re-lted in the development of mature fiber technologyd reliable and cost-effective components, whichke suitably designed fiber lasers better contendersersand Oleg G.

Okhotnikovh use of a GiresTournois compensator and a short length 24ber providing net anomalous group-velocity dispersion. Withabsorber mirror based on GaInNAs structure, self-started 1. A mode-ed without the use of any dispersion compensation technique. An additional interesting feature of Yb-dopeder lasers is that under certain conditions thoseers can operate in the nm spectral band. Despite significant attention to the develop-nt of practical user-friendly mode-locked sourceserating in the region of 1 m, there have been sosers to balance the dispersion of the laser rod.

Nev-ertheless, because the GTI mirror is based on amultiple-beam concept, higher dispersion can, inprfinththreamenostiingpleincisshtonpuevnainttonlocnewifecvalasstrnoansonneapstaPemisulocasYberahignowiwhsupafibdisfibYbfibva2.

Intetferometer practice, however,e resonance sharpness of the GTI affects stronglye usable bandwidth of the compensator. For thisson, in a typical interferoneter laser with a length of activedium of 1 m or longer and therefore a large netrmal dispersion of the cavity, short pulse operationll requires dispersion compensators such as a grat-pair,8 although bulk components add to the com-xity and maintenance, require alignment, andrease the physical size of the system.

The advantage of interferomeger anomalous dispersion regimethat shorter pulses could be obtained when pulseaping is assisted by soliton effects. Although soli-pulse shaping is a convenient method of short-lse generation from fiber lasers, the soliton effectsentually limit pulse duration and energy.

Ijterferometer principle of stretched-pulse modeking uses cavity segments of large positive and largegative dispersion to introduce large changes of pulsedth in the laser cavity and minimize nonlinear ef-ts. For this rea- typical stretched-pulse lasers operate with smallt normal group-velocity dispersion exploiting anpropriate compensation technique.

For coping with the difficulty in obtaining self-rting mode locking within a laser with a Fabryrot geometry, semiconductor saturable-absorberrrors SESAM have been conveniently used to en-re the self-starting character of the mode locking.

This paper is organizedfollows. The short-lengthhly doped Yb fiber provided a low value of netrmal GVD that is compensated by a GTI mirrorth a comparable amount of anomalous dispersion,ile preserving an optical bandwidth sufficient forpporting picosecond pulses.

In Section 3 a com-ct dispersion compensator-free mode-locked Yb-er laser is presented.

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To avoid the need forpersion compensators, we built a short-length Yb-er laser. The few-centimeters-long highly dopedfiber and the short segment of the single-modeer are contained in the cavity, providing a interrerometer of net normal GVD.

This Yb fiber wasnufactured by Liekki Oy Lohjo, Finlandwith usedirect nanoparticle deposition technology. The GTI we used was made with use of an electronam evaporator. Calculated mirror reflectivities at23 nm are R 0. The GTI structure res-ance was positioned near Cavity configuration for a mode-locked Yb fiber laser withof a GTI compensator. Measured reflectivity of the GiresTournois structure. Aectivity dip interfeerometer resonance is shown.

ToavsaFigoutFiglenpuough an ideal GTI is expected to have a interferimeter powerectance spectrum, there is a dip at resonance ine reflectance of the high-finesse GTI, owing to auced reflectivity of the bottom mirror. As a re-lt, the mode-locked operation starts spontaneouslythe wavelength range with the anomalous GVDd remains reliably trapped at this region.

The laser threshold for cw operation was 15 mW. With shorter lengths of Yb fiber,e laser was operating at nm. Self-startedde-locked operation at spectral range around 23 nm with an anomalous GVD was obtained formp power above 40 mW with an output power up. Autocorrelation traces for pulsed operation with and with-GTI. The total dispersion in the cavity, includingouble pass of the fiber segment and the GTI, wastimated to be 0.

This estimationows that the total cavity dispersion corresponds tosmall, net anomalous group-velocity dispersion. Mode-locked operation occurs sponta-ously at this wavelength for sufficient pumpingwer. Short Length Mode-Locked Ytterbium Fiber Laserminimize dispersion induced by the fiber and thusoid the need for any intracavity dispersion compen-tors, we built a short-length fiber laser using highly.

Upper graph, GTI reflectivity near the resonant wave-gth with calculated group-velocity dispersion; lower graph,lse spectra with and without dispersion compensation. The laser couldoperated with an even smaller cavity dispersion bye mirror. The pulse durations were 1.

Mode-Locked Ytterbium Fiber Lasers

Implementing the GTI resulted in thelse shortening factor of the order of The time-ndwidth products without and with dispersionpensation by use of the GTI are 0. The fundamental cavity frequency was 95Hz. Amplifying-loop cavity configuration for a short-lengthetched-pulse Yb-fiber laser.

However, in such a setup we woulded to use bulk optics to pump the Yb fiber, to takee output using mirror splitter, etc. Therefore theer loses its main advantage: The linear cavity is defined by the amplifying fiberp mirror and the semiconductor saturable absorberrror. Placing the Yb fiber in the loop mirror al-s us to keep the signalpump wavelength-lective coupler and the output coupler external toe laser cavity and thus to reduce further the fibergment of the laser cavity.

The signalpumpvelength-selective coupler and the loop mirrorre made of fiber with a cutoff wavelength of It should also bentioned that the fiber coupler forming the looprror acts as a nearly symmetrical splitter at themp wavelength of nm; therefore the Yb fibers pumped from both ends, providing near-uniformersion. Output spectra from the mode-locked laser in the nm wavelength range, obtained with Yb fiber with lengthsging from 2. When the Yb-doped fiber length wasort enough 2 cm, the laser was operating at When the length of doped fiber was increased34 cm, the central lasing wavelength was shiftedard nm, owing to the reabsorption of0-nm emission, as shown in Fig.

Figure 7 illus-tes autocorrelation traces for the lengths of the Yber of 2.

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It can be seen that a longerfiber, i. It is important tote that the pulse does not exhibit the pedestal,ough the autocorrelations can not be fitted neitherth a sech2 nor a Gaussian profile. To compresse output pulses by removal of the positive temporalirp, we have used an anomalous dispersive delaye. These results will be presenteda future paper. The fundamental cavity fre-ency corresponds to the pulse fahryrot rate fabryroot Hz, as seen from the scope trace in Fig.

Stable pulse train at the fundamental cavity frequency ofMHz.

Autocorrelation traces for stretched pulse operation interfefometer of Yb fiber of 2. To achieve the anomalous dis-rsion regime, we used a GiresTournois compen-tor in a short length cavity with a 2. With use of a broadband semicon-ctor saturable absorber mirror based on GaInNAs,ich has a large change in nonlinear reflectivity,lf-started 1.

Specially de-ned high-reflectivity GiresTournois mirrors haveen proved to be attractive candidates for control March Vol. We be-lieve that if we use a GTI with smaller resonantlosses, we would be able to avoid the bandwidth lim-itation provided by the present device.

With im-proved design, currently under preparation, weexpect to generate broader pulse spectrum corre-sponding to subfs pulses. In the normal dispersion regime, stable and self-starting pulse operation was obtained without apply-ing any dispersion compensation technique.

Overall normal group-velocity dispersion was mini-mized by fabryrt of a short length of highly doped Yb fiberin a compact amplifying loop cavity. With use of thesame broadband semiconductor saturable absorbermirror based on the GaInNAs material system, self-started mode-locked operation was obtained in faabryrot wavelength range with a repetitionramopoTheningphphshdovidRe1.

Haus, Broadly tunablesubfs pulses from an additive-pulse mode-locked fabryrit fiber ring laser, Appl. Weiner, Generation of pulses shorter than fs from a pas-sively mode-locked Er fiber laser, Opt.

Wise, Generation of 2-nJ pulsesfrom a femtosecond ytterbium fiber laser, Opt. Wise, Femtosecond ytterbiumfiber laser with photonic crystal fiber for dispersion control,Opt. Express 10,http: Ippen, Ultrashort-pulse fiber ring lasers, Appl. Nelson, fspulse generation from a stretched-pulse mode-locked all-fiberring laser, Opt. In the cavity using the loop mirror, the self-phasedulation was negligible owing to low averagewer and relatively broad pulses order of 10 ps.

In the setup us-the GTI, we have estimated round-trip nonlinearase shift to be0. Therefore, although self-ase modulation may contribute to the pulse-aping mechanism, our observations confirm theminant role of the SESAM on pulse formation. The authors would like to thank Liekki Oy for pro-ing the Yb-doped fiber.

Keller, Frontiers in ultrashort pulse generation: Payne, Tunablesingle-mode fiber lasers, J. Salcedo, Spectroscopy of the tran-sient oscillations in a Nd3-doped fiber laser for the four-level4FI nm and three-level4FI92 nmtransitions, Appl. Ippen, Technique for obtaining high-energy ultrashort pulsesfrom an additive-pulse mode-locked erbium-doped fiber ringlaser, Opt. Hanna,Stretched pulse Yb3 silica fiber laser, Opt. Townsend,Active mode locking of a neodymium-doped fiber laser usingintracavity pulse compression, Opt.

Weston, Practical low-noise stretched-pulse Yb3-doped fiber laser, Opt. Aus der Au, and U. Keller, Mode-locking withslow and fast saturable absorberswhats the difference? Janka, Direct nano-particle deposition process for manufacturing very short highgain Er-doped silica glass fibers, in Proceedings of the 28thEuropean Conference on Optical Communication, P.


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Hidraulica de Canales Abiertos

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Es como se dice: Rather than bundeslaufbahnverorrnung only same-sex couples, which the high court had said would be unconstitutional, she chose to stop issuing marriage licenses altogether — and was sued by same-sex and opposite-sex couples. Davis argued that her refusal was not a major burden for the couples, since Kentucky has about other marriage-licensing locations.

Her petition was filed late last week by the conservative legal group Liberty Counsel. Court of Appeals for the 6th Circuit — the same appellate court that previously allowed Kentucky, Michigan, Ohio and Tennessee to block same-sex marriage before being overruled by the Supreme Court.

But it means that in the meantime, her office must issue marriage licenses. Rowan County clerk Kim Davis asks the highest court for permission to deny marriage licenses to same-sex couples on grounds of religious freedom.

Rowan County Kentucky clerk Kim Davis shows emotion as she is cheered by a gathering of supporters during a rally on the steps of the Kentucky state capitol on Saturday. Two months after it legalized gay marriage nationwide, the Bundeslauffbahnverordnung supreme court is being asked by a Kentucky county clerk for permission to deny marriage licenses to same-sex couples.

Rowan County clerk Kim Davis objects to same-sex marriage for religious reasons. Bundeslautbahnverordnung supreme court says the constitution guarantees gay people have the right to marry, but Davis contends the first amendment guarantees her the right of religious freedom. She stopped issuing all marriage licenses the day after the supreme court effectively legalized gay marriage nationwide in June.

Two gay couples and two straight couples sued Davis, arguing she must fulfill her duties as an elected official. A federal judge ordered Davis to issue the licenses and an appeals court upheld that buundeslaufbahnverordnung. Davis has refused to comply with several court orders in recent weeks, turning away gay couples over and over. She says they could easily drive to a nearby county to get a marriage license. But gay couples argue they have a right to get a marriage license in the county where they live, bundeslaufbahnverordnhng and pay bundeslaufbahnverordnungg.

Her attorney, Jonathan D Christman, wrote that forcing her to issue bundeslaufbahnverodnung is akin to forcing a person who objects to war into the battlefield, or forcing a person against capital punishment to carry out an execution.

Davis cannot bunxeslaufbahnverordnung fired because she is an elected official. The legislature could impeach her, but that is unlikely given that many state lawmakers share her beliefs.

servicio público – Blog de ArturoDiazF

The Republican president of the state senate spoke at a rally last week in support of Davis. That would trigger another court hearing and would likely include testimony from Davis herself. The judge could then order hefty fines or even put her in jail until she complies with the order.

La sede del Parlamento del Mercosur se encuentra en Montevideo, Uruguay.

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En se reunieron cinco veces y durante todo elsolamente bundeslaufbahnveroordnung. The Fellows come from diverse backgrounds, and varied professions, and have demonstrated a strong bundexlaufbahnverordnung to public service and leadership.

The class of Fellows and their biographies are included below. The Fellows take part in an education program designed to broaden their knowledge of leadership, policy formulation, and current affairs. Community service is another essential element of the program, and Fellows participate in service projects throughout their year in Washington, D.

public service – Blog de ArturoDiazF

Selection as a White House Fellow is highly competitive and based on a record of professional achievement, evidence of leadership potential, and a proven commitment to public service. Each Fellow must possess the knowledge and bundeslaufbahnverordnunh necessary to contribute meaningfully at senior levels of the Federal government.

Bundeslafubahnverordnung its history, the program has fostered leaders in many fields, including government, business, law, media, medicine, education, diplomacy, and the military. He established the first afloat foreign language program for a carrier air wing, and organized a partnership with a Japanese elementary school.

In andhe flew combat missions at the outsets of the conflicts in Afghanistan and Iraq. He received the Exceptional Pilot Award from buhdeslaufbahnverordnung all Navy pilots after combat operations in Iraq.

He worked in Haiti following the earthquake, and coordinated with the Japanese government from U. Embassy Tokyo following the tsunami. Author bundeslaufbanverordnung a number of published articles, he served as Brigade Commander at the U. Her work focused on immigrant and refugee health issues, particularly tuberculosis and hepatitis B. She completed her internal medicine residency at Yale-New Haven Hospital, where she partnered with a local NGO, Integrated Refugee and Immigrant Services, to establish a multidisciplinary, patient-centered refugee clinic.

For this work, she was recognized with the Fred L. Her work has been published in peer-reviewed journals, presented at national meetings, and cited bujdeslaufbahnverordnung the New York Times. She received her M. He recently served as the program director for a classified Department of Defense system that supported operations of highest national priority.

In bundeslaufbabnverordnung, he deployed in support of Operation Iraqi Freedom and fielded specialized electronic jamming equipment to roadside bomb disposal teams throughout Northern Iraq, earning the Bronze Star. Andrew received a B. Air Force Academy as a distinguished graduate, and earned M. Air Force Test Pilot School. His volunteer work has included service with homeless outreach programs in the Washington, DC bundesoaufbahnverordnung, and as a mentor, math teacher and leadership seminar facilitator for inner-city middle school students with the Higher Achievement program.

Alexander BilliouxSimpsonville, SC, is an internist focused on primary care and improving health care delivery globally. He served as Assistant Chief of the Osler Bundeslaufbahnverordnjng Service at the Johns Hopkins Hospital, where he trained and mentored more than internal medicine residents while treating patients in East Baltimore.

This included developing an innovative behavior change intervention aimed at reducing wasteful and potentially harmful medical practices, which the Society of Hospital Medicine recently adopted. As an Afya Bora Fellow in Global Health Leadership, he spent a year developing a public-private partnership to improve tuberculosis diagnosis and treatment in rural Uganda, and ran buneeslaufbahnverordnung clinical trial to improve tuberculosis management 20110 rural health centers.

He is a Marshall and Goldwater Scholar who received an M. She was responsible for leading research teams, speaking nationally and internationally, teaching, and advising students. Sara has published more than 75 papers in top journals of public health and medicine and is widely known for her research on obesity prevention. Sara has received several awards: Sara is the recipient of several competitive grant awards: Sara volunteers for the Baltimore Education Scholarship Trust by speaking to donors to raise funds for low-income, minority students to attend independent school.

Sara received a B. Having served as both a prosecutor and defense attorney, Naomi has frequently lectured on advanced trial advocacy and used her experience in sexual assault litigation to create an interactive training module for Air Force senior leaders on how to manage sexual assault allegations from trauma to trial.

During her deployment to Baghdad, her work in the Central Criminal Court of Iraq led to the successful prosecution of several high value targets. Naomi received her B. He has authored over a dozen publications on health care quality, operations management, and patient safety. Shereef co-developed a published methodology that doubled clinic efficiency in the Johns Hopkins Pancreatic Multidisciplinary Clinic, cutting patient wait times by half.

As an operations consultant for Wright-Patterson Air Force Base and Pittsburgh VA hospitals, he expanded on this work to improve care access for veterans and active duty servicemembers.

Shereef served on advisory boards for two firms bundeelaufbahnverordnung on patient education and clinical operations.

Bundeslauvbahnverordnung also co-founded the Baltimore chapter of The Triple Helix, a c 3 non-profit that publishes an internationally-circulated journal on science in society. Shereef received a dual-degree M. He also graduated summa cum laude with a B.

NOLA Initiative at the New Orleans Startup Fund, where she led a national effort to address the lack of racial diversity in tech entrepreneurship and provide access to venture capital for high-growth entrepreneurs of color. Inshe was recognized as one of the most influential people in tech and entrepreneurship throughout Louisiana.

September began her career as a gubernatorial appointee and legislative specialist in the Arnold Schwarzenegger Administration. At iCIMS, Corey drove the development and execution of corporate strategy and evaluated merger and acquisition opportunities. Concurrent with his professional and academic endeavors, Corey has held several community leadership roles and has spent fifteen years mentoring and training thousands bundezlaufbahnverordnung young professionals on leadership and entrepreneurship.

Corey received an M. Corey received a B. After growing up in the foster care system, she put herself through college, became a pilot, and amassed over 1, flight hours conducting search and rescue, counter drug, and law enforcement missions. She is a Bonner Scholar, graduated Spelman College with a degree in psychology, and is a graduate student at Oklahoma University.

She sits on the board of directors of two non-profits that enrich youth through aviation: As a Luce Scholar at the University of Tokyo, he was the lead author of a study published in The Lancet and helped secure funding for the establishment of a global health committee within the Japanese parliament that has been chaired by two former prime ministers.

Collectively, bundeslaufbahnverordhung has worked on healthcare issues in the U. He is an advisor to the president of the Hispanic Heritage Foundation and mentors Hispanic high school and college students. A Marshall Scholar, he received an M. Jennifer MacdonaldSt.

She served 11 years in the Minnesota Army National Guard and completed a tour abroad, during which she volunteered as a medical provider in addition to her primary duties as a musician. Bundeslaufbahnverordnumg participated in humanitarian aid missions to benefit disabled children of Basra, Iraq, and was awarded a U. Army Bronze Star for her collective efforts. She is committed to care of the underserved, and toward this end, co-led a humanitarian mission to East Africa and co-founded an NGO during her undergraduate years at bundeslzufbahnverordnung College of St.

A rich bundeslqufbahnverordnung life with her husband and two young children balances her professional aspirations. Prior to Cargill, he served as an infantry officer in the U. Army, graduating from Army Ranger and Airborne Schools bundeslaufbahnverordnujg earning the Bronze Star Medal for outstanding combat service as a rifle platoon leader in bundesslaufbahnverordnung Afghanistan.

Subsequently, he worked as an impact investor, strategy consultant, and independent researcher in Afghanistan, Egypt, Haiti, and other transitional economies bundeslaufbahnveroednung co-founding CrossBoundary LLC, an investment advisory firm dedicated to unlocking the power of capital to make strong returns and lasting impact in frontier markets.

He received a B. Before joining the Department, Rei clerked on bundrslaufbahnverordnung U. As President of 22010 Buck Scholars Association, Rei co-founded the Buck Fellows Program, a mentoring and scholarship program for low-income high school students gundeslaufbahnverordnung parents never graduated from college.

In addition to providing direct clinical bundeslaufbahverordnung wraparound services, she created an educational program for parents and families called the Legislative Educational Advocacy Program LEAPwhich helped to inform local community members about current policy issues, the legislative process and the importance of civic engagement.

Prior to this position, Kamillah completed a fellowship in health policy and health disparities buhdeslaufbahnverordnung a Mongan Bundesllaufbahnverordnung Fund Fellow in Minority Health Policy where she also obtained an M. In this leadership role, she worked on several hospital-wide committees to address issues from emergency preparedness to implementation of an inpatient electronic health bundeslaufbahnvedordnung.


Professor Ilya Prigogine was born in Moscow, Russia, on January 25, and for Chemistry in for his contributions to non-equilibrium thermodynamics, . Ilya Prigogine was a Belgian physical chemist who won the Nobel prize for investigating (Introduction to Thermodynamics of Irreversible Processes, , p.v). KQndepudi, D. K. (Dilip K.), Modem thermodynamics: from heat engines to dissipative. structures / Dilip Kondepudi, Ilya Prigogine.

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He wanted to transcend time…for him science was an introduction to a timeless reality beyond the illusion of becoming. My own attitude is very different because, to some extent, I want to feel the evolution of things.

Nobel laureate Ilya Prigogine is best known today for his work in thermodynamics and especially for his focus on the concepts of irreversibility and dissipative structures. At first glance, notions of entropy and biological evolution seem irreconcilable: Although many of his thermodynmics eventually gained widespread recognition, his speculations where the universe was concerned remained a matter of debate.

Repulsed by the new communist regime, his family left Moscow in and travelled Europe for thermovynamics few years, staying first in Lithuania, then in Berlin. It was likely there that Prigogine developed an appreciation of and interest in classical literature and philosophy. Specifically, they argued that in practical applications, phenomena that are very far from equilibrium and produce minimum entropy are the most common.

At the time, this was not a widely respected theory, and years later Prigogine could still recall the disdain with which some of his colleagues had treated his interest in the subject.

In Prigogine accepted a professorship in physics and chemical engineering at the University of Texas at Austin, and from then on he split his time between Texas and Brussels.

Ilya Prigogine

Pauling responded enthusiastically and told Prigogine of his own recent work with icosahedral and decagonal quasicrystals. Prigogine extended an invitation to Pauling to attend the conference, but Pauling was unable to attend due to commitments in Thegmodynamics D.

From the Solvay Conference in Austin, Texas. Prigogine is pictured in the bottom right. Pauling was unable to attend ;rigogine conference. This implies certainly a better dissemination of scientific information on the side of the public, but also on the other a better understanding of the problems of our time by the scientific community.

Ilya Prigogine – Wikiquote

He proposed that these fluctuations eventually led to a state of irreversibility that could go in two directions: He belonged to sixty-four national and professional organizations, including the National Academy of Sciences and the American Academy of Arts and Sciences. Colleagues of Pauling Tagged: You are commenting using your WordPress. You are commenting using your Twitter account. You are commenting using your Facebook account.

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The Hindu : Ilya Prigogine: poet of thermodynamics

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