The methods of control aggregation behavior of unsaturated carboxylic acid salts of chitosan had also been studied . It was feasible of the inter-conversion between film and highly crystalline .
研究了控制壳聚糖不饱和羧酸盐聚集行为的方法,实现了在聚集成膜与生长成为高度结晶体间的转换。
The crystalline morphology of those unsaturated carboxylic acid salts of chitosan were obtained by polarized optical microscopy .
用偏光显微镜研究了壳聚糖不饱和羧酸盐的结晶形貌。
Carboxylic acid derivatives and necleophilic acyl substitution reactions .
羧酸衍生物和亲核酰基取代反应。
The existence of organic matter may affect the ph value of the feed solution , which will result in protonation of the carboxylic group in the membrane .
而有机物质的存在则会影响进料液的ph值,进而造成滤膜中羧基的质子化。
The newly isolated carboxylic transport protein ( ctp ) gene of insect pathogenic fungi is implicated in energy metabolism during fungal penetration of insect integument .
羧基转运蛋白基因是近年来分离出的新基因,在虫生真菌中可能与穿透昆虫体壁时的能量代谢有关。
The petroleum carboxylic acids in two distillates of north sea crude oil were separated by the extraction with column chromatogram and anion exchange resin .
采用柱色谱和阴离子交换树脂法分离出两种北海高酸馏分油中的羧酸。
Especially preferred polar volatile liquids are alkanols , alkane carboxylic acids and esters of alkane carboxylic acids .
特别是喜欢极不稳定的液体醇类,烷烃羧酸和烷烃羧酸酯。
Many natural resins exist which contain carboxylic acid such as carboxy celluloses and proteins containing glutamic acid .
许多天然树脂存在,包含如羧基纤维素和蛋白质,含有谷氨酸羧酸。
Mechanism of hydrolyse , ammonolysis and alcoholysis about carboxylic acid derivatives .
羧酸衍生物的水解,氨解及醇解历程。
Proteolytic enzymes catalyze oligomerization of the . Alpha . - Hydroxy carboxylic acid and . Alpha . - Amino acid .