نتایج جستجو برای: opening
تعداد نتایج: 49516 فیلتر نتایج به سال:
Dr. Barile, Chairman, International Organization for Mycoplasmology, Dr. Kumagi, President, Japanese Association of Medical Sciences and Professor Emeritus of University of Tokyo, and Ladies and Gentlemen: It is our great pleasure to have the Fourth International Congress of the IOM (International Organization for Mycoplasmology) meet here in Japan and to have so many scientists and their famil...
The destiny of final progress and summary reports of research grants and research contracts has always been a mystery to me. Somehow I suspect that many of them end up in dark oblivion in the back of some drawer at the National Institutes of Health. Unless the work is published, the results may be born to die unheard by the scientific community. The occasion for this symposium today is to rever...
Controversy over the aggregate impact of foreign aid has focused on reduced form estimates of the aid-growth link. The causal chain, through which aid affects developmental outcomes including growth, has received much less attention. We address this gap by: (i) specifying a structural model of the main relationships; (ii) estimating the impact of aid on a range of final and intermediate outcome...
In the two-envelope problem, one is offered a choice between two envelopes, one containing twice as much money as the other. After seeing the contents of the chosen envelope, the chooser is offered the opportunity to exchange for the other envelope. However, it appears to be advantageous to switch, regardless of what is observed in the chosen envelope. This problem has an extensive literature w...
I PRoPose to consider this subject especially from the ,point of view of country practice. It is one of those questions which is most prominent at the present time, for the all-sufficient reason that upon it turns in many cases the life or death of the patient. If any one should ask why such cases come now so frequently into question, I have no doubt as to the answer-it is simply this, that in ...
Ever since Nugent first reported a practical, catalytic method for the enantioselective opening of meso-epoxides with trimethylsilyl azide (TMSN3), [1] such desymmetrization reactions of epoxides and aziridines using a variety of nucleophiles have been the subject of extensive research. The less developed ring-opening reactions, those of meso-aziridines by carbon and nitrogen nucleophiles, give...
we develop a theory of holomorphic differentials on a certain class of non-compact Riemann surfaces obtained by opening infinitely many nodes.
Drugs that flow from humans into the environment may include the lingering analgesic diclofenac, the long-lasting antiepileptic carbamazepine, the omnipresent antibiotic ciprofloxacin, and even seemingly mundane painkillers like ibuprofen, gemfibrozil, and naproxen, not to mention synthetic estrogens. The problem has led to government hearings at the state and federal levels and to scientific m...
Rapid sensory transduction in hair cells is made possible by the direct coupling of stereocilia displacement to ion channels. This week, Ricci et al. examined the extraordinarily fast (and thus difficult to measure) kinetics of these mechanotransducer (MET) channels, and how kinetics shapes transduction. MET channels open rapidly in response to deflections of the hair bundle and then adapt (clo...
JCB • VOLUME 167 • NUMBER 6 • 2004 994 Opening closed pores closed mitosis may be less closed than was thought, based on results from Colin De Souza, Stephen Osmani, and colleagues (The Ohio State University, Columbus, OH). The authors find that a fungus opens nuclear pores during mitosis to permit diffusion into and out of the nucleus. Simple organisms may thus be viable model systems for the ...
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