نتایج جستجو برای: synthetic method
تعداد نتایج: 1745703 فیلتر نتایج به سال:
In this study, we have developed a new ultrasonic synthesis method of dibenzoepines using olanzapine and quetiapine, which are well-known drugs for the treatment schizophrenia bipolar disorder. The is based on N-alkylation reaction piperazine fragment in tricyclic compounds with methyl iodide or 2-(2-chloroethoxy)ethanol as alkylating agent, respectively. reactions were carried out an bath solv...
Objective: In recent years, the advent of synthetic cannabinoids, deceptive advertising and cyber sales has led young people to use them. The United Nations Office on Drugs and Crime (UNODC) has identified the prevalence of using these compounds as a major public health challenge. The aim of the present study was to systematically review synthetic cannabinoids. Method: This study was a descript...
we have applied an automatic interpretation method of potential data called an-eul in unexploded ordnance (uxo) prospective which is indeed a combination of the analytic signal and the euler deconvolution approaches. the method can be applied for both magnetic and gravity data as well for gradient surveys based upon the concept of the structural index (si) of a potential anomaly which is relate...
Medical ultrasound imaging due to close behavior of cancer tumors to body tissues has a low contrast. This problem with synthetic aperture imaging method has been addressed. Although the synthetic aperture imaging technique solved the low-contrast problem of ultrasound images, to an acceptable limit, but the performance of these methods is not even acceptable when the signal to noise ratio (SNR...
background: as fluoride concentration in drinking water is one of the effective parameters in human health, finding the ways to remove excess amount of fluoride is very important in water supply projects. this study aimed to evaluate mendon bauxite mine in the removal of fluoride from drinking water. methods: this experimental study was conducted from may to october 2013 on synthetic and actual...
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