نتایج جستجو برای: cvd processes

تعداد نتایج: 544582  

Journal: :Journal of the Surface Finishing Society of Japan 2001

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز 1380

آنالیز فرآیندهای ایستا در قلمرو(دامنه طیفی) بر توزیع های طیفی بنا شده است . اما برای فرآیندهای غیرایستای هارمونیک ساز(harmonizable) ، زوج (f, ) که f یک اندازه برداری (vector measure) و یک اندازه بورل می باشد ، به عنوان مشخصه های طیفی ارائه می شود. در این پایان نامه یک روش طبیعی برای ساختن نمایش طیفی ارائه می شود که این روش برای فرآیندهای مرتبه دوم (second order processes) و فرآیندهای پایدار (st...

Journal: :Arthritis care & research 2016
Christie M Bartels Tonya J Roberts Karen E Hansen Elizabeth A Jacobs Andrea Gilmore Courtney Maxcy Barbara J Bowers

OBJECTIVE Despite increased cardiovascular disease (CVD) risk, rheumatoid arthritis (RA) patients often lack CVD preventive care. We examined CVD preventive care processes from RA patient and provider perspectives to develop a process map for identifying targets for future interventions to improve CVD preventive care. METHODS Thirty-one participants (15 patients, 7 rheumatologists, and 9 prim...

2010
An-Ya Lo Shang-Bin Liu Cheng-Tzu Kuo

To improve the understanding on CNT growth modes, the various processes, including thermal CVD, MP-CVD and ECR-CVD, have been used to deposit CNTs on nanoporous SBA-15 and Si wafer substrates with C(2)H(2) and H(2) as reaction gases. The experiments to vary process parameter of DeltaT, defined as the vector quantities of temperature at catalyst top minus it at catalyst bottom, were carried out ...

Journal: :Journal of vacuum science & technology 2021

Thin films of materials are critical components for most areas sustainable technologies, making thin film techniques, such as chemical vapor deposition (CVD), instrumental a future. It is, therefore, great importance to critically consider the sustainability aspects CVD processes themselves used make technologies. Here, we point several common practices in that not sustainable. From these, offe...

2016
M. Hitchman J. Zhao

Although the growth mechanism of the CVD of polysilicon from silane has been extensively studied for some years, the chemistry of the gas-solid interactions is still not fully understood. In particular, there has been very little consideration of possible bonding modes of homogeneous silane species to silicon surfaces. In fact, most models of silicon growth from silane assume a simple, single s...

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