نتایج جستجو برای: off system

تعداد نتایج: 2371727  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1393

کنترل دقیق پارامترهای دخیل در سالن های پرورش قارچ می تواند یکی ازعوامل موثر در کاهش مصرف انرژی و یا حتی افزایش کمی و کیفی محصول باشد. در این پژوهش با استفاده از کنترل فازی و کنترل on/off مدلی برای کنترل دمای کمپوست، رطوبت نسبی داخل سالن و غلظت دی اکسیدکربن همچنین با استفاده از نرم افزار شبیه ساز متلب مدل سالن و تجهیزات کنترلی مانند هواساز، طراحی شد. برای طراحی مدل کنترلی یک سری داده برداری اولی...

Journal: Iranian Economic Review 2020

ran's economy still has a two-digit inflation rate with high fluctuations, which is mainly caused by fiscal dominance. According to the relevant literature, the most important fiscal dominance mechanism is borrowing from the central bank. After prohibiting direct borrowing from the Central Bank by Iran's government, the budget deficits are partially addressed by off-budgeting operations, achiev...

Journal: :the journal of tehran university heart center 0
seyedkhalil forouzannia yazd cardiovascular research center, afshar hospital, shahid sadoughi university of medical sciences, yazd, iran. aliakbar karimi-bondarabadi yazd cardiovascular research center, afshar hospital, shahid sadoughi university of medical sciences, yazd, iran and student research committee, shahid sadoughi university of medical sciences, yazd, iran. mostafa bagherinasab yazd cardiovascular research center, afshar hospital, shahid sadoughi university of medical mohammadtaghi sarebanhassanabadi yazd cardiovascular research center, afshar hospital, shahid sadoughi university of medical

background: surgical site infection is known as a common complication after cardiac surgery, and cefazolin is the best prophylactic antibiotic to prevent this complication. the goal of this study was to evaluate the effect of continuous and intermittent cefazolin for the prevention of superficial surgical site infection following off-pump coronary artery bypass (opcab). methods: this prospectiv...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2013
evangeline p. agres leo g. inocencio alma c. aguinaldo

there is limited literature on how to engage the rural women in agriculture and improve their contributions to household food security and income. this study aimed to contribute to literature on women engagement in agriculture through vegetable production using good agricultural practices. the empirical data used were drawn from technology demonstrations and experimentation, learning fields, an...

Journal: :iranian journal of medical physics 0
bagher farhood medical physics department, faculty of medicine, mashhad university of medical sciences, mashhad, iran mohammad taghi bahreyni toossi medical physics research center, mashhad university of medical sciences, mashhad, iran shokouhozaman soleymanifard medical physics research center, mashhad university of medical sciences, mashhad, iran

introduction wedge modifiers are commonly applied in external beam radiotherapy to change the dose distribution corresponding to the body contour and to obtain a uniform dose distribution within the target volume. since the radiation dose delivered to the target must be within ±5% of the prescribed dose, accurate dose calculation by a treatment planning system (tps) is important. the objective ...

Journal: :به نژادی نهال و بذر 0
غفار کیانی g. kiani , respectively, sari agricultural sciences and natural resources university, sari, iran.دانشگاه علوم کشاورزی و منابع طبیعی ساری قربانعلی نعمت زاده g. nematzadeh

the cytoplasmic male sterile (cms) lines that are used in production of hybrid seeds in three-line system often get contaminated with their maintainer lines. using such impure cms lines in rice hybrid seed production lead to un-uniformity and yield loss in hybrid rice. laborious and time consuming phenotypic evaluations are used for elimination of off-type plants in cms multiplication farms. th...

Journal: :journal of research in medical sciences 0
minoo movahedi assistant professor, department of gynecology and obstetrician, school of medicine, isfahan university of medical sciences, isfahan, iran mahmoud saiedi assistant professor, department of cardiac surgery, school of medicine, isfahan cardiovascular research center, isfahan, iran mojgan gharipour researcher, isfahan cardiovascular research center, isfahan cardiovascular research institute, isfahan university of medical sciences, isfahan, iran omid aghadavoudi associate professor, department of critical care, isfahan university of medical sciences, isfahan, iran

background : the measuring serum ferritin level as a sensitive inflammatory biomarker might effectively predict preterm delivery, but the power and the best cut-off point of this biomarker for predicting preterm labor in iranian population has not been substantially identified. our purpose was to determine what concentrations of serum ferritin could identify patients at risk for preterm deliver...

ژورنال: مواد پرانرژی 2021

as in order to protection of a blast loaded structure, three ways can be utilized: (1) increasing the stand-off using natural or artificial barriers, (2) increasing the structure strength or performance level, (3) decreasing the energy of blast using the passive, semi active, active and hybrid control methods. In recent method, using controlling mechanism and tools, the effect of blast waves is...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

selective desulfurization of thiocarbonyls to carbonyls thioacetalization of aldehydes and ketones a useful reagent system for the dethioacetalization reactions

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1389

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...

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