最佳答案:不存在有氯化钠分子构成晶体体状况的氯化钠是紧密堆积的稳 定了的离子 ( localised ions ),熔化状况和水分解后的以游离的离子状况存在 疑困难目:水分子大年夜还是氯化钠分子大年夜,用出产明净水的过淋器能把海水过淋...
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介绍了一种利用阳离子化改性多羟基化合物进行堵水调剖的方法,具有一定的选择性,在油田应用取得了良好效果。
A modified cationic polyhydroxy compound gelling fluid as water shutoff is developed. This type of gel has better selectivity. Its field tests are described and the results are satisfactory.
本项研究在一定程度上证实了离子注入技术在创造多倍体水稻新种质申的实用性,这将为水稻无融合生殖种质材料的寻找提供一条新途径。
The results revealed the practicability of ion beam implantation technique in creating new polyploidy idioplasm, which could provide a new approach for searching the material with apomixis.
研究了从钝顶螺旋藻中提取藻蓝蛋白的方法,用一定浓度的阴离子表面活性剂水溶液处理,得到的藻蓝蛋白纯度最高,一次提取藻蓝蛋白的提取率达到98%。
Of methods of extraction of phycocyanin from cyanobacterium spirulina, treatment with anion surfactant of certain concentration affords good yield of high specific content. 98% recovery is available.
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