نتایج جستجو برای: because high scales correspond to low frequencies

تعداد نتایج: 11253056  

Journal: :Journal of the Acoustical Society of America 2021

Broadband shock-associated noise (BBSAN) is an important component of supersonic jet for jets at off-design conditions when the pressure nozzle exit different from ambient. Two high-area-ratio under-expanded ratios (NPRs) 3.4 and 4.2 are considered. The correspond to experiment in Laboratory Turbulence Research Aerospace Combustion (LTRAC) Supersonic Jet Facility Monash University. Flow solutio...

2016

This document defines the competencies that a trainee should acquire during the training period, and subsequently maintain and enhance throughout their professional life. It lists how the competencies may be taught, learnt and assessed in training. It is a statement of the minimum level of competency expected on entering core training and at the end of training. It therefore covers the topics t...

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

a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...

The alternating current electroosmotic flow of a non-Newtonian power-law fluid is studied in a circular microchannel. A numerical method is employed to solve the non-linear Poisson-Boltzmann and the momentum equations. The main parameters which affect the flow field are the flow behavior index, the dimensionless zeta potential and the dimensionless frequency. At very low dimensionless frequenci...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده مهندسی 1389

abstract type-ii fuzzy logic has shown its superiority over traditional fuzzy logic when dealing with uncertainty. type-ii fuzzy logic controllers are however newer and more promising approaches that have been recently applied to various fields due to their significant contribution especially when the noise (as an important instance of uncertainty) emerges. during the design of type- i fuz...

Journal: :iranian journal of public health 0
d.d. farhud

the c3 phenotypes were determined by high-voltage agarose gel electrophoreses in german patients suffering from lymphosarcoma (n=34), hodgkin (n=59) and a group of other haematological diseases (n=46). frequencies of c3 ss, sf and ff pho=enotypes were not significantly different from the frequencies found in a control group of 322 healthy germans. however, high frequency of the ff phenotype in ...

Journal: :Proceedings of the Royal Society B: Biological Sciences 2017

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