نتایج جستجو برای: atomic density

تعداد نتایج: 492062  

Journal: :The Review of scientific instruments 2007
Yongxian Huang Xiubo Tian Shiqin Yang Paul K Chu

A radio frequency (rf) inductively coupled plasma apparatus has been developed to simulate the atomic oxygen environment encountered in low Earth orbit (LEO). Basing on the novel design, the apparatus can achieve stable, long lasting operation, pure and high density oxygen plasma beam. Furthermore, the effective atomic oxygen flux can be regulated. The equivalent effective atomic oxygen flux ma...

رئیسی, کیوان, رجائی, وحید, رشتچی, حامد, شمعانیان, مرتضی,

In this study, Ni-Mo nanocrystalline alloys were prepared on steel substrates by electrodeposition method from citrate-ammonia bath by applying current densities 30, 60 and 100 mA/cm2. Results indicated that the obtained coatings were uniform and compact. Moreover, molybdenum content in the alloy and current efficiency decreased with increasing electrodeposition current density. X-ray diff...

Journal: :Journal of Chemical Theory and Computation 2020

Journal: :JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2002

Journal: :International Journal of Quantum Chemistry 1987

Journal: :Monthly Notices of the Royal Astronomical Society 2018

Journal: :High Power Laser Science and Engineering 2014

اسماعیلیان عراقی, امیرحسین, حسین خانی, حسن,

In this paper, considering the plasma electronic exchange intraction effects, first, Thomas–Fermi equation has been solved numerically. Then, employing the results of these equations, the amount of exchange corrections for pressure and internal energy of the plasma (electron gas with specific atomic number) has been calculated based on variation of  plasma density and temperature. The results o...

Journal: :Proceedings of the National Academy of Sciences 2018

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