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178.348  Articles
1 of 17.836 pages  |  10  records  |  more records»
Ag–TiO2 thin film was fabricated by DC magnetron sputtering and photoreduction methods. Characteristics of the film such as surface area, crystal structure, and chemical composition were investigated by using scanning electron microscope (SEM), X–ray diff... see more


In the current work the glow curves for LiF:Mg,Cu,Na,Si thermoluminescent material were measured at various heating rates in the range from 1 K/s to 30 K/s. In the thermoluminescent measurements a contact heating was used to heat the powder samples. The t... see more

In the current work the glow curves for LiF:Mg,Cu,Na,Si thermoluminescent material were measured and analyzed by using a function approximating to the well-known Randall-Wilkins first-order expression. The influence of different heating rates on thermolum... see more

B?n d? s? d?ng d?t/l?p ph? b? m?t cung c?p các thông tin quan tr?ng h? tr? công tác qu?n lý tài nguyên thiên nhiên và môi tru?ng. V? tinh Landsat-8 cung c?p d? li?u ?nh da ph? có giá tr? d? thành l?p b?n d? s? d?ng d?t/l?p ph? b? m?t v?i d? chính xác cao.... see more

Trong xu th? phát tri?n c?a d? li?u l?n, các b?ng quy?t d?nh thu?ng không d?y d?, ngày càng có kích thu?c l?n và luôn thay d?i, c?p nh?t. Vi?c xây d?ng các thu?t toán gia tang hi?u qu? theo phuong pháp ti?p c?n l?c - dóng gói nh?m gi?m thi?u s? thu?c tính... see more

Tea is a traditional beverage. There are different types of tea, such as black, white, green, oolong, and herbal teas. In recent years, lotus tea has been increased interest. This study aimed to assess the physicochemical properties, bioactive compounds o... see more

Th? dô Hà N?i là thành ph? có nhi?u c?m công nghi?p phân b? r?i rác. Xu?t phát t? truy?n th?ng s?n xu?t kinh doanh lâu d?i dã phát sinh nhi?u b?t c?p liên quan d?n v?n d? ô nhi?m môi tru?ng. Bên c?nh nh?ng c?m công nghi?p m?i du?c quy ho?ch vài ch?c nam g... see more

AbstractFood production in developing countries has been highly susceptible to both climatic and non-climatic stressors. To identify the factors that prevent the rural poor from producing food efficiently, various participatory methodologies have been uti... see more

1 of 17.836 pages  |  10  records  |  more records»