نتایج جستجو برای: nmp
تعداد نتایج: 839 فیلتر نتایج به سال:
N-methyl pyrrolidone (NMP) is a polar aprotic solvent that critical for the production of polyaramids. However, due to its reprotoxicity and pending REACH restrictions, benign alternative needed. A mixture N-butyl (NBP) ionic liquid [C8MIm][Cl] proposed as promising candidate replace NMP. This organic electrolyte solution provides green approach polyaramid synthesis.
The increasing difference between the number of patients in waiting lists for liver transplantation and the number of available donors has generated a great interest in the use of non-ideal organs, like grafts obtained from cardiac death donors (DCD). However, the extreme sensibility to ischemia of these livers results in a low utilization rate and a high percentage of post-transplant complicat...
BACKGROUND AND PURPOSE To evaluate the ready-to-use iodine-containing polyvinyl alcohol (I-PVA) dissolved in the low angiotoxic solvent N-methyl pyrrolidone (NMP) for embolization of porcine wide-necked aneurysms. METHODS Fourteen broad-based carotid sidewall aneurysms were surgically constructed in 7 swine. I-PVA (40%) in NMP was injected under temporary balloon occlusion bridging the aneury...
در پژوهش حاضر، اثر غلظت نرمال متیل پیرولیدون (NMP) بر سیال نافذ و دمای حمام انعقاد در ساختار و عملکرد غشاهای الیاف نازک توخالی پلی سولفون (PSf) بررسی شد. برای تعیین مشخصات غشاهای تهیه شده از روش های گوناگون از جمله میکروسکوپی الکترونی پویشی، آزمون استحکام مکانیکی و آزمون تراوایی آب خالص و آزمون تعیین شعاع متوسط حفره ها استفاده شد. برای مطالعه عملکرد غشاها، جداسازی محلول پروتئین کلاژن با غلظت...
Inverse flexible dynamics control (IFDC) and fuzzy logic system adaptive control (FLSAC) strategies are used to track the end effector of a flexible space robot with sensors collocated at the joints, noncollocated at the end effector and 0.5m from the elbow joint on link 2. Collocated joint sensors satisfy hyperstability conditions but fail to capture nonminimum phase (NMP) response that genera...
Objective: This study aimed at investigating the stress levels of medical students during COVID-19 pandemic and their fear being deprived mobile phones (nomophobia). 
 Method: An online questionnaire consisting Perceived Stress Scale (PSS), Nomophobia (NMP-Q) sociodemographic data was completed with participation 341 students. Results: The use smartphones increased andthis increase statist...
Cartilage is a tissue with limited repair capacity and also sparse population of cells entrapped within a dense extracellular matrix, therefore, delivery of the cells to site of damaged cartilage can improve its healing potential. Synthetic biomaterials such as poly (d,l-lactide-co-glycolide) (PLGA) have been used as both preformed or injectable scaffolds in tissue engineering in order to carry...
The band structure, total density of states, and atomic orbit projected states analysis were performed to investigate HMX/NMP cocrystal by using the first-principles calculations. Results show that is equipped with a direct gap interactions between HMX NMP molecules are rather weak. O orbits hybridize H orbits, parts charge transform from atoms analyzing DOS. possesses three types intermolecula...
Graft steatosis has been associated with inferior outcomes after liver transplantation. Given the rising prevalence of obesity and fatty disease, strategies allowing safe successful utilization grafts are needed. Liver preservation by normothermic machine perfusion (NMP) allows reducing ischemia-reperfusion injury, extending time assessing graft viability prior to implantation into recipient. N...
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