نتایج جستجو برای: 8 control
تعداد نتایج: 1891908 فیلتر نتایج به سال:
Tackling the aquatic stages of anopheline malaria vectors is a key element in integrated vector management (IVM) programmes. The first large trials with Bacillus thuringiensis var. israelensis (Bti) as novel biological control agent demonstrated that its impact can be highly effective, but context dependent. To better understand this dependency, there need to answer fundamental questions on mos...
The integration of the booster synchrotron control system to the SPring-8 control system finished successfully in January 1999. This integration allows us to operate the synchrotron, the beam transport line and the storage ring in a seamless fashion.
a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...
در چند دهه اخیر سیستم های مولد برق از انرژی باد، به عنوان یک منبع انرژی نو و بدون آلودگی زیست محیطی مورد توجه فراوانی قرار گرفته اند. در این پروژه توربین بادی به صورت سرعت متغیر توسط ژنراتور سنکرون آهنربای دائم و مبدل دیودی که متصل به یک مبدل افزاینده dc/dc می باشد مورد بهره برداری قرار می گیرد و سپس کل انرژی تولیدی توربین توسط یک اینورتر pwm به شبکه برق تزریق می گردد. استفاده از ژنراتور سنکرون...
abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...
the present study is an attempt to investigate the potential impact of inspirational quotes on improving english abstract vocabulary recall. to achieve this goal, a multiple choice language proficiency test of 60 items including vocabulary and grammar component was administered to a sample of 63 second-semester male and female students whose age ranged between 17 to 22 and they were studying en...
Biological systems which have been experimentally verified to be robust to significant changes in their environments require mathematical models which are themselves robust. In this context, a necessary condition for model robustness is that the model dynamics should not be extremely sensitive to small variations in the model’s parameters. Robustness analysis problems of this type have been ext...
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