نتایج جستجو برای: high psrr
تعداد نتایج: 2059186 فیلتر نتایج به سال:
until now many studies have been done over recent decades throughout the world to show the right age to start english. in iran, research is still at an early stage in terms of evaluating teachers’ beliefs about teaching children english. the problem of at what age to start teaching english and how to teach english to elementary school children has not been solved neither in this country nor els...
the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...
| A general relationship between the gains of multiterminal ampli ers is derived in this paper. It reveals a constraint for the simultaneous improvement of the common-mode and the power-supply rejection ratios of the simple operational ampli er. This constraint can be relaxed by either adding a supplementary input terminal to the ampli er circuit or using a fully di erential design. The method ...
This paper presents the operation principle and silicon characterization of a power efficient ultra-low voltage area fully-differential, digital-based Operational Transconductance Amplifier (OTA), suitable for microscale biosensing applications (BioDIGOTA). Measured results in 180nm CMOS prototypes show that proposed BioDIGOTA is able to work with supply down 400 mV, consuming only 95 nW. Owing...
در آخرین گزارش (jnc)joint of national committee فشار خون سیستولیک بین 139-130 میلی متر جیوه و فشارخون دیاستولیک بین 89-85 متر جیوه بعنوان فشارخون high-normal معرفی شده است. در مطالعات مختلف نشان داده شده است که این مرز از فشار خون در طولانی مدت بر سلامت افراد تاثیر دارد و یکی از مهمترین پیش زمینه های ابتلا به هیپرتانسیون می باشد. مطالعه حاضر با هدف تعیین شیوع و مشخص کردن سایر پارامترهای...
A low noise and high precision linear power supply was designed for use in rare event search experiments with macrobolometers. The circuit accepts at the input a "noisy" dual supply voltage up to ±15 V and gives at the output precise, low noise, and stable voltages that can be set between ±3.75 V and ±12.5 V in eight 1.25 V steps. Particular care in circuit design, component selection, and prop...
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
the present research was conducted to explore the effect of employing two language teaching approaches, i.e. schema-based instruction (sbi) and translation-based instruction (tbi), on vocabulary knowledge, structure and reading comprehension ability of forty one female students learning english in grade one senior high school in rivash, kuhsorkh, iran. while sbi focuses on schemata, i.e. words ...
زمینه: احتکار به عنوان ذخیره و پنهان کردن چیزی برای مصرف احتمالی آن در آینده تعریف می شود. این رفتار دارای ابعاد مختلفی بوده که شامل رفتار تطابقی در حیات وحش، احتکار اقتصادی جامعه انسانی و از سویی بخش روانی آن ( مثل احتکار حیوان و اشیاء بی ارزش) که زیر گروهی از اختلال وسواس اجباری بوده؛ می شود. ریشه احتمالی مشترک تمام انواع احتکار، وجود یک شرایط محرومیت است. در مدل آزمایشگاهی احتکار، برای همانن...
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