نتایج جستجو برای: chamber geometry

تعداد نتایج: 184904  

Journal: :Acta acustica 2022

Combustion instability caused by the amplification of sound waves is called acoustic or high-frequency instability, which can cause severe damage to system. Adding baffles one methods passive control. Depending on geometry chamber and type application, different are used. In this research, effect longitudinal corrugated baffle characteristics combustion investigated numerically. The quality eac...

Journal: :Journal of Instrumentation 2023

Abstract A standalone, lightweight, portable, FPGA-based triple to double coincidence ratio (TDCR) system is developed. The optical chamber of the fabricated in a dual, coaxial cylindrical geometry, with inner cylinder made up Teflon and outer one aluminium. Three square PMTs, each having an active cathode area 2.3 cm × cm, are housed chamber. variation detection efficiency identify optimum kB ...

Journal: :Automotive and engine technology 2021

Abstract Cast engine components are experiencing ever tighter tolerance requirements and at the same time a more complex cast design. The geometries, some of which inaccessible, tested for quality assurance on basis relevant component characteristics, among other things. position check measures actual feature in spatial dimension. Information about alignment geometry combustion chamber cannot b...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پایه 1392

سرطان کولون یکی از اصلی ترین عوامل مرگ ناشی از سرطان، در جهان است. فعالیت بیشتر از حد مسیر پیام رسانی سلولیwnt یکی از عوامل ضروری در شروع و پیشرفت سرطان کولون است؛ ازاین رو، مهار مسیر پیام رسانیwnt ممکن است نقش درمانی مهمی در درمان سرطان کولون ایفا کند؛ از طرفی ثابت شده است کورکومین (مشتقی از ریشه زردچوبه) باعث مهار این مسیر میشود؛ تاکنون مطالعات اندکی به بررسی اثر این دارو بر روی میزان بیان ژن...

2012
Sam Sanghoon Suh Luc Mongeau Stuart Bolton

The contents of this report reflect the views of the authors who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the Federal Highway Administration and the Indiana Department of Transportation. The report does not constitute a standard, specification, or regulation. The purpose of this study w...

2016
Wenjia Wang Xiuqing Qian Hongfang Song Mindi Zhang Zhicheng Liu

BACKGROUND Glaucoma is the primary cause of irreversible blindness worldwide associated with high intraocular pressure (IOP). Elevated intraocular pressure will affect the normal aqueous humor outflow, resulting in deformation of iris. However, the deformation ability of iris is closely related to its material properties. Meanwhile, the passive deformation of the iris aggravates the pupillary b...

Journal: :BioMedical Engineering OnLine 2007
Eric J Anderson Melissa L Knothe Tate

BACKGROUND A major stumbling block for researchers developing experimental models of mechanotransduction is the control of experimental variables, in particular the transmission of the mechanical forces at the cellular level. A previous evaluation of state of the art commercial perfusion chambers showed that flow regimes, applied to impart a defined mechanical stimulus to cells, are poorly cont...

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