نتایج جستجو برای: relief chain
تعداد نتایج: 328811 فیلتر نتایج به سال:
(±)-2-exo-Carboxy-2-endo-methyl-7-oxobicyclo[2.2.1]heptane exists preferentially in its closed, ringtautomer form, the tricyclic lactol (C9H12O3), which aggregates catemerically by forming hydroxyl-to-carbonyl hydrogen bonds [O O = 2.7667(16)Å, O-H O = 170o] among molecules screw related in b. This ring-chain equilibrium is driven by relief of angular strain at the 7-ketone, whose origin is the...
Background and Aim: Nurses are the biggest groups that provide relief and transport services in critical conditions and battlefields. Although many studies are published regarding the role of nurses in war the number of qualitative researches in this field is limited. This study was conducted to identify the role of nurses in the relief and transportation of injured victims on the battlefield. ...
[Abstract] Inertia relief analysis is regarded as an effective technique for the modeling of unconstrained structural systems. In this paper the principle of inertia relief analysis is first described. Inertia relief capability of commercial finite element packages is discussed. The paper studies the implementation of inertia relief techniques into finite element analysis of a variety of struct...
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