نتایج جستجو برای: alone system
تعداد نتایج: 2379278 فیلتر نتایج به سال:
selective desulfurization of thiocarbonyls to carbonyls thioacetalization of aldehydes and ketones a useful reagent system for the dethioacetalization reactions
nowadays, the development of anti cancer drugs is an important subject in pharmacology. bisphosphonates (b.p) are a great choice for design and production of the types of drugs which not only could perform as anti cancer agents but also could inhibit the function of acetyl cholinesterase (ache). ache hydrolyzes the acetylcholine (which is a neurotransmitter in nervous system) using the oh in i...
This paper will provide an overview of the current knowledge on the problems of spatial impression, envelopment, and localization in enclosed spaces. The emphasis will be on small spaces, but the approach draws heavily on concert acoustic studies. The literature on this subject has been contradictory and controversial. In the last few years a consensus has been developing that envelopment is pr...
This paper presents a new structure to provide the ability for power sharing of two Z-source inverters. According to the operation principles of Z-source inverters, only one input source supplies the circuit, which is a limitation particularly for the stand alone systems feeded by limited output power such as photovoltaics and feul cells. Furthermore; if one source fails to supply, the lo...
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