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969.082  Articles
1 of 96.909 pages  |  10  records  |  more records»

This study aims to calculate the anharmonic thermal expansion (TE) coefficient of metal crystals in the temperature dependence. The calculation model is derived from the anharmonic correlated Debye (ACD) model that is developed using the many-body perturb... see more

BACKGROUND: Oral isotretinoin is an effective therapy for acne. However, isotretinoin can induce hyperhomocysteinemia and decreased serum folic acid level, which may be a risk for cardiovascular disease and thrombosis, as well as psychoses. Besides, many ... see more

This study investigated primary education master program students’ problem solving strategies and their for-mal and informal thinking ability when dealing with geometry problems that require the use of algebra in its solution processes. In order to do so,... see more

Thi?t b? h? tr? ngu?i khi?m th? di du?ng dùng sóng siêu âm và c?nh báo chu?ng ng?i v?t b?ng ti?ng Vi?t dã du?c nhóm nghiên c?u tri?n khai t? nam 2012. Tuy nhiên, th?c t? s? d?ng cho th?y thi?t b? v?n còn tình tr?ng c?nh báo sai, do gi?i thu?t ki?m soát c?... see more

Nghiên c?u du?c ti?n hành trong v? Ðông nam 2020 t?i Khoa Nông h?c, tru?ng Ð?i h?c Nông Lâm Thái Nguyên v?i m?c tiêu l?a ch?n du?c dung d?ch dinh du?ng phù h?p cho gi?ng rau xà lách xoan RAPIDO 344. Thí nghi?m du?c thi?t k? theo kh?i ng?u nhiên hoàn toàn ... see more

Organometal halide perovskite materials have shown high potential as light absorbers for photovoltaic applications. In this work, perovskite planar solar cells were fabricated on corning substrates with the structure as follows: the first layer made of ta... see more

Thermoluminescence  properties of ultraviolet irradiated Y2O3:Eu3+, Gd2O3:Eu3+ and Gd2O3:Er3+ nanophosphors have been reported. The materials were synthesized by gel- combustion method with EDTA- Na2 as organic agent. This method allows production of... see more

Qu?n lý ho?t d?ng thanh tra thi (HÐTTT) là m?t trong nh?ng nhi?m v? tr?ng tâm c?a nhà qu?n lý các co s? giáo d?c d?i h?c, dây cung là n?i dung quan tr?ng trong công tác qu?n lý tru?ng h?c. N?i dung c?a thanh tra thi bao g?m: dánh giá vi?c th?c hi?n các qu... see more

1 of 96.909 pages  |  10  records  |  more records»