نتایج جستجو برای: آزمایش xrd

تعداد نتایج: 90580  

Journal: :international journal of industrial mathematics 2015
h. kangarlou

zns/glass thinlayer in high vacuum condition and $40$ degree‎ ‎deposition angle has been produced by resistance evaporated method ‎with $28$ nm thickness‎. ‎cabin deposition temperature zns layer was‎ ‎about $50c$ and substrates were kept at room temperature‎. ‎the atomic ‎force microscopy (afm) and xrd analyses are perfectly accomplished‎ ‎for this layer.‎‎‎

Journal: : 2023

در آشکار‌ساز CMS نسبت‌های انشعاب بوزون هیگز مدل استاندارد به جفت‌‌های J/ψ(1S) و cc ترتیب برابر 2-10×1/8 2-10×2/89 اندازه‌گیری شده است. لحاظ نظری یکی از سناریوهای ممکن برای تولید مستقیم این است که آغاز جفت واپاشی نماید سپس مرحله‌ی بعد هر یک کوارک‌های c طور مزون ترکش کنند. بر اساس سناریو مقاله بطریق کوارک‎های با استفاده نظریه اختلال مکانیک کوانتومی رنگ (pQCD) نظر گرفتن حالت‌های قطبش طولی عرضی محا...

Journal: :IOP Conference Series: Materials Science and Engineering 2017

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2011

2017
Woon Bae Park Jiyong Chung Jaeyoung Jung Keemin Sohn Satendra Pal Singh Myoungho Pyo Namsoo Shin Kee-Sun Sohn

A deep machine-learning technique based on a convolutional neural network (CNN) is introduced. It has been used for the classification of powder X-ray diffraction (XRD) patterns in terms of crystal system, extinction group and space group. About 150 000 powder XRD patterns were collected and used as input for the CNN with no handcrafted engineering involved, and thereby an appropriate CNN archi...

2009
P. Sarrazin G. Chiari M. Gailhanou

A non-invasive XRD/XRF instrument for study of works of art has been developed jointly by the Getty Conservation Institute and inXitu Inc. (California). Many aspects of the instrument are based on technologies initially developed for NASA’s planetary XRD/XRF instrument CheMin and used in inXitu’s portable transmission XRD/XRF instrument (Terra). A new geometry was designed based on a reflection...

Journal: :Journal of the American Chemical Society 2005
Darren H Brouwer Richard J Darton Russell E Morris Malcolm H Levitt

Since zeolites are notoriously difficult to prepare as large single crystals, structure determination usually relies on powder X-ray diffraction (XRD). However, structure solution (i.e., deriving an initial structural model) directly from powder XRD data is often very difficult due to the diffraction phase problem and the high degree of overlap between the individual reflections, particularly f...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2011

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