منابع مشابه
Eyes open, brain shut.
R E D IT R ecent progress in medical care has greatly increased the number of people who survive acute brain damage. Doctors can save the lives of many patients who suffer trauma to the brain (often after a road accident) or a lack of oxygen (for example, after a cardiac arrest or drowning), but if the damage is severe, the victim will slip into a coma. Individuals in this condition do not open...
متن کاملSome Open Problems and New Tasks in Applied Mathematics
After the re-emancipation from pure mathematics in the latter part of the twentieth century, application-oriented mathematicians are now facing a wealth of new areas of activities and challenges for their research. This means that apart from individual open problems, two typical examples of which will be outlined here, applied mathematics is facing a lot of new tasks, from modelling practical s...
متن کاملRhinostomies: an open and shut case?
AIMS To analyse bone fragments from rhinostomies of patients undergoing revisional dacryocystorhinostomy, looking for evidence of new bone formation. METHODS 14 consecutive patients undergoing secondary lacrimal surgery were included in this study. In each case the existing rhinostomy was enlarged with bone punches, care being taken to use the punches with the jaws cutting perpendicularly to ...
متن کاملSliding Clamps: An Open and Shut Case?
Molecular events in the clamp-loading reaction pathway of DNA replication are revealed by new crystal structures of bacteriophage T4 clamp loader-clamp-DNA complexes that capture two distinct conformations with the clamp open and closed.
متن کاملAn Open and Shut Typecase (Extended Version)
Ad-hoc polymorphism is a compelling addition to typed programming languages. There are two differentforms of ad-hoc polymorphism. With the nominal form, the execution of an operation is determined solely bythe name of the type argument, whereas with the structural form, operations are defined by case analysis onthe structure of types. The two forms differ in the way that they tr...
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ژورنال
عنوان ژورنال: Science
سال: 2007
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.317.5840.872a