نتایج جستجو برای: hill reaction
تعداد نتایج: 430657 فیلتر نتایج به سال:
Computer-chess programs achieve outstanding results at playing chess. However, no existing program can compose adequate chess problems. In this paper, we present a model that is capable of improving the quality of some of the existing chess problems. We have formalized a major part of the knowledge needed for evaluating the quality of chess problems. In the model, we attempt to improve a given ...
M. Buehler, R. Battaglia, A. Cocosco, G. Hawker, J. Sarkis, K. Yamazaki. Centre for Intelligent Machines, McGill University, Montr eal, QC H3A 2A7, Canada Abstract A simple mechanical design for quadrupedal locomotion, termed SCOUT, is proposed, featuring only one degree of freedom per leg. This paper demonstrates experimentally that our rst prototype SCOUT-1 is capable of walking, turning, and...
The aim of this study was to characterize the kinetics of metabolite formation of the phosphodiesterase type-5 (PDE5) inhibitors sildenafil and tadalafil by CYP3A4, CYP3A5, and CYP3A7 isoforms. The formations of N-desmethyl sildenafil and desmethylene tadalafil were examined using CYP3A supersomes co-expressing human P450 oxidoreductase and cytochrome b5. Both sildenafil N-demethylation and tad...
1Division of Hematology/Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC; 2Department of Pathology and Laboratory Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC; 3Department of Early Discovery Biochemistry, Genentech Inc, South San Francisco, CA; 4Division of Hematology/Oncology, Department of Internal Medicine, University of...
Ultimately, decisions about the need for, and volume of, food production from our own land resources are political ones since agriculture, in general, is dependent for a variety of reasons on substantial Government support. This is especially true of the hill areas and although it is difficult to calculate the total expenditure on agricultural support to the hills and uplands since farmers in t...
or 011 getting out of bed is characteristic. The second usually one or two hours later, the third say after breakfast, and the fourth about 10 or II A.M. For the rest of the day the patient is quite well, gets about his daily employment, takes his food with appetite and his exercise with energy. Next day, the same thing is repeated, the days grow into weeks and months before he seeks advice, so...
SIR JOHN HILL (1714-1775), the mid-Georgian entrepreneur, man of letters and science, must have written at least ten times the approximately two hundred letters that survive.' Disappearance of the other nine-tenths is not mysterious: Hill was vilified by most of his contemporaries, who enjoyed little, if any, sense that the documents pertaining to his life could ever be of any interest to poste...
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