نتایج جستجو برای: growth parameter

تعداد نتایج: 1024525  

Journal: :transport phenomena in nano and micro scales 2014
b. zahed t. fanaei s. a. behzadmehr h. ateshi

chemical vapor deposition (cvd) is one of the most popular methods for producing carbon nanotubes (cnts). the growth rate of cnts based on cvd technique is investigated by using a numerical model based on finite volume method. inlet gas mixture, including xylene as carbon source and mixture of argon and hydrogen as carrier gas enters into a horizontal cvd reactor at atmospheric pressure. in thi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

in chapter one we will describe definitions and preliminary results to provide the global context of our own results to be presented in detail in the subsequent chapters in chapter two we consider degree-one maps of the circle and we study their rotation set. our main result in this chapter says that if the map is topologically mixing then its rotation interval is nontrivial (that is, not reduc...

Journal: :World Journal of Biology and Biotechnology 2019

Journal: :Journal of Crystal Growth 2021

Chaos occurs in the crystal growth process as an irregular swing phenomenon flexible shaft rotating-lifting (FSRL) system. may lead to failure of mono-silicon production. Therefore, it should be suppressed. Many chaos control methods have been proposed theoretically and some them used applications. For a practical plant displaying harmful chaos, engineers from specific area usually face with ch...

Journal: :World Journal of Biology and Biotechnology 2018

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