PASP-PEG block structure copolymer,comb shaped PASP-PEG block structure copolymer,aspartic acid and glycine,glutamic acid or propalanine copolymer are prepared.

还可以对聚天氨酸的侧链进行改,引入烷基或烯烃基、反应活高的氨基酸酯、磺酸基等基团,使其得到更广泛的应用。

Only one herbicide, isopropylamine salt of N-Phosphonomethyl glycine proved significantly to depress the colonization of Ageratum houstonianum, a dominant weed species in the experiment field.

本试验证实杀草剂年年春对于紫花藿香蓟有显著抑制菌根菌感染率的效果。

As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N,N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.

N，N—二苯基氨酸对5种金属离子的萃取力强于N—正丁基氨酸。