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Tensor robust principal component analysis has received a substantial amount of attention in various fields.Most existin......
为了研究煤中活性物的黏结能力,首先需对实验中某些煤样进行组分富集分离实验。实验结果表明,外加惰性物的煤样与所含等量惰性物的......
从乌柏「sapium sebiferum(L.)Roxb.」叶虫分离出四个化合物,经波谱鉴定分别是:β-谷甾醇、正三十二烷醇、软木酮、N-苯基-1-萘胺。从乌桕茎皮中分离出两个化合物,经......
采用超声波改进的二步种子溶胀法制备粒径2.4~9μm的多孔聚苯乙烯-二乙烯苯微球,单分散的聚苯乙烯微球由分散聚合制备并以其作为种......
Great changes have brought about the shrinkage of the Earth in effect,it became a global village. In this situation,it w......