نتایج جستجو برای: line balance

تعداد نتایج: 548205  

Journal: :Applied physics letters 2010
Xuefeng Wang Ming Zhao David D Nolte

Water is a persistent background in virtually all biosensors, yet is difficult to quantify. We apply an interferometric optical balance to measure water film accumulation from air onto several types of prepared silica surfaces. The optical balance uses in-line common-path interferometry with balanced quadratures to measure the real-time accumulation of molecular films. The accumulated water thi...

2002
Rob van Ommering Jan Bosch

Architecture, components and reuse form the key elements to build a large variety of complex, high-quality products with a short lead-time. But the balance between an architecture-driven and a component-driven approach is influenced by the scope of the product line and the characteristics of the development organization. This paper discusses this balance and claims that a paradigm shift from va...

2002
Rob C. van Ommering Jan Bosch

Architecture, components and reuse form the key elements to build a large variety of complex, high-quality products with a short lead-time. But the balance between an architecture-driven and a component-driven approach is influenced by the scope of the product line and the characteristics of the development organization. This paper discusses that balance and claims that a paradigm shift from va...

Journal: :Frontiers in Earth Science 2021

The mass-balance—elevation relation for a given glacier is required many numerical models of ice flow. Direct measurements this using remotely-sensed methods are complicated by dynamics, so observations currently limited to glaciers where surface mass-balance routinely made. We test the viability continuity equation estimate annual mass balance between flux-gates in absence situ measurements, o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1379

سیستمهای انتقال داده های دیجیتال بر روی خطوط تلفنی که امروزه به شکل چشمگیری مورد استقبال شرکتهای مخابراتی قرار گرفته از نظر مشخصات سرعتی در حال پیشرفت چشمگیری می باشد. سیستمهای adsl که یکی از انواع این سرویسها می باشد، بطور مشخص در این پایان نامه مورد تحلیل قرار گرفته است . یک شبیه ساز اینگونه مودمها نوشته شد و با استفاده از مدلسازی محیط کانال انتقال (خط تلفن) مشخصات فنی بخشهای مختلف این مودمها...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده تربیت بدنی علوم ورزشی 1392

آسیب دیداری روی تمام جنبه های حرکتی کودک تأثیر می گذارد و حرکت به عنوان مهم ترین ابزار تربیت بدنی،عامل مهمی برای توسعه سلامتی کودکان با نیازهای خاص می باشد بنابراین تحقیق حاضر با هدف بررسی اثر تمرینات ثبات مرکزی بر تعادل ایستا و پویا ،سرعت راه رفتن و کیفیت زندگی دانش آموزان نابینا انجام شد.

2001
Susan A. Jebb Andrew M. Prentice

For centuries the concept of energy balance has provided the bedrock for research into the mechanisms controlling body weight. However, in recent years there has been growing interest in the regulation of the individual macronutrients that combine to determine the energy status of an individual. Thus the classical energy balance equation can be more accurately represented as the integrated sum ...

Journal: :Optometry and vision science : official publication of the American Academy of Optometry 2014
Laurence R Harris Michael Jenkin

PURPOSE Knowing one's orientation relative to the environment is important for many aspects of vision including object recognition, action planning, and balance. Here we assess how inadequate optical correction for typical refractive errors might influence this. We measured the effect of blur on the perception of orientation as measured by the subjective visual vertical (SVV) and the perceptual...

Journal: :Molecular human reproduction 2001
T Kanai T Fujii S Kozuma T Yamashita A Miki A Kikuchi Y Taketani

Exquisitely regulated cytokine balance during early pregnancy is thought to be necessary for promoting survival of the fetal allograft. Our previous studies have demonstrated that membrane-bound human leukocyte antigen (mHLA-G) expressed on trophoblasts is one of the key factors in regulating cytokine balance by shifting the Th1/Th2 balance toward Th2 polarization, a favourable milieu for the m...

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