نتایج جستجو برای: hindrance
تعداد نتایج: 3845 فیلتر نتایج به سال:
Recent years have seen the dissemination of gestural interface technology in mass consumer products, pioneered most notably by products such as the Apple iPhone or the Nintendo Wii videogame console. Since then, consumer electronics manufactures have included gesture control elements in a whole range of mobile electronic devices, such as laptops, cell phones, PDAs, remote controls, navigation s...
Pidgin and Creole languages are rarely used informal education because of three arguments (1) they are degenerate languages, (2) it is a waste of time to use a pidgin or creole when the standard language is the key to success in education and employment, and (3) theuseofapidginor creole will interfere with students' subsequent acquisition of the standard language Linguists can easily refute the...
N -carboxyanhydrides ring-opening polymerization (ROP) showed that electron-donating groups of the -alkylation enhanced ROP kinetic rates through an inductive effect could counterbalance steric hindrance during propagation.
Aim . This study aims to investigate the effect of senile asthenia syndrome (SAS) on cardiovascular mortality risk within 12 months in patients over 70 years age with myocardial infarction. Material and methods We performed a retrospective 92 infarction, who agreed participate. To detect syndrome, we used questionnaire "Age is not hindrance". estimated anamnestic data, also laboratory instrumen...
family as the smallest and the most fundamental structure of the society forms the basis and foundation of the society and in the meantime marriage itself can be considered as the basis and foundation of the family. considering the importance of marriage, changing and transitions and creating disorder in the process of the marriage is a social problem which may be affected both the basis of the...
Steric character is one of the most fundamental factors to determine the reactivity of the substrate in organic synthesis. In bimolecular reaction, the sterically-bulky group situated close to the reactive center generally prevents the approach of the reaction partner retarding the bond formation. This report describes, to the contrary, significantly enhanced reactivity of 2,6-disubstituted phe...
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