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2.698  Articles
1 of 271 pages  |  10  records  |  more records»
Extraction and purification of humic acid from dry horse dung powder (HD-HA) was performed successfully and the purified HD-HA was then applied as sorbent to adsorb Zn2+. Extraction and purification were performed based on procedure of Stevenson (1994) un... see more

Gasification is a process of converting carbon-containing compounds to convert both liquid and solid materials into fuel-capable gas (CO, H2, CO2, CH4, and H2O) through the combustion process with limited air supply. Gasification that we have known so far... see more

Horse dung contains considerable amounts of nitrogen which is partly lost during the storage period. Leaching of nitrogen from the dung can be prevented with constructions but also gaseous N-emissions occur. However, the emission rates are not reported in... see more

The depletion of world energy reserves and the increasing levels of environmental pollution, increase human creativity. Discoveries on environmentally friendly renewable energy-making technologies are increasingly widespread. One of them is the manufactur... see more

NomadismSome ecological considerations with examples from Arabia and Afghanistan 1)Pastoral nomadism 2), perhaps more than any other way of life, is bound up with one particular geographical milieu, the dry and semi-dry regions of the Old World. So striki... see more

Five organic manures, cow dung, poultry dung, horse dung, burnt township refuse and citrus wastes were applied at rates of 10 or 20 t/ha respectively to soil of known nematode infestation. Celosia argentea was subsequently grown fro 8 weeks. Combinations ... see more

NomadismSome ecological considerations with examples from Arabia and Afghanistan 1)Pastoral nomadism 2), perhaps more than any other way of life, is bound up with one particular geographical milieu, the dry and semi-dry regions of the Old World. So striki... see more

Trong bài báo này, mô ph?ng d?ng l?c h?c phân t? dã du?c s? d?ng d? nghiên c?u quá trình nóng ch?y c?a mô hình v?t li?u hai chi?u GaN v?i th? tuong tác Stillinger – Weber ? áp su?t 0 GPa. Ði?u ki?n biên du?c áp d?ng cho hai hu?ng x và y. Quá trình thay d?... see more

M?c tiêu c?a nghiên c?u này là tìm hi?u d?c tính hóa h?c c?a dung d?ch d?t du?i các vu?n chè ch?u ?nh hu?ng c?a b?i t? b?i sông Công trên d?a bàn xã Tân Cuong, t?nh Thái Nguyên, Vi?t Nam. Khu v?c nghiên c?u là vùng s?n xu?t chè d?c s?n và ch?t lu?ng cao. ... see more

1 of 271 pages  |  10  records  |  more records»