نتایج جستجو برای: zn rich coating

تعداد نتایج: 232271  

Journal: :Surface & Coatings Technology 2021

Abstract Zinc, a soft material with low melting point and high corrosion resistance, was coated onto AZ31B Mg alloy using different cold spraying process parameters. The physical mechanical properties of the resulting Zn/AZ31B samples were then investigated to explore effect parameters on microstructural characteristics. results obtained via X-ray diffraction show formation an intermetallic at ...

2015
Arun Khalkar Kwang-Soo Lim Seong-Man Yu Dong-Wook Shin Tae-Sik Oh Ji-Beom Yoo

We report herein Cu 2 ZnSnS 4 (CZTS) thin film solar cells with 6.75% conversion efficiency, without an antireflection coating. The CZTS precursors have been prepared by cosputtering using three different targets onMo-coated substrates: copper (Cu), tin sulfide (SnS), and zinc (Zn). The postsulfurization was carried out at different pressures in a H 2 S/N 2 environment at 550C for one hour. A c...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده علوم پایه مهندسی 1392

استفاده از شبیه سازی برای شیرین سازی گاز مزایای اقتصادی فراوانی شامل کوچکتر شدن اندازه تجهیزات ، کم تر شدن شدت جریان آمین در گردش ، و به طور کلی دستیابی به آمین با غلظت بالاتر می شود. قوانین ضروری و سودمندی در زمینه ارزیابی و کابرد پارامترهای تحت مطالعه در یک شبیه ساز فرایند پایا (steady- state) توصیف شده اند. ئر این تحقیق پارامترهای عملیاتی نظیر نسبت بخار تولیدی ریبویلر به آمین تمیز در گردش که...

2017
Nicholas P. Evens Peter Buchner Lorraine E. Williams Malcolm J. Hawkesford

Understanding the molecular basis of zinc (Zn) uptake and transport in staple cereal crops is critical for improving both Zn content and tolerance to low-Zn soils. This study demonstrates the importance of group F bZIP transcription factors and ZIP transporters in responses to Zn deficiency in wheat (Triticum aestivum). Seven group F TabZIP genes and 14 ZIPs with homeologs were identified in he...

Journal: :npj Materials degradation 2022

Abstract Various experimental analyses on hydrogen evolution, absorption, and cracking behaviors were conducted to gain a fundamental understanding of the embrittlement ultrastrong steel sheets with galvanized (GI) galvannealed (GA) coatings. The evolution absorption are controlled primarily by potential differences between coating exposed substrate, corrosion-induced damage pattern coating. hi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

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