1) two-stage modification
两段改性
2) amphoteric modification
两性改性
1.
Based on the prevention and cure principium of extract for Cr(Ⅵ),the amphoteric modification was carried out to the waxberry extract through the treatments of sulphonation and Mannich reaction.
以栲胶对六价铬的防治原理为基础,通过磺化以及Mannich反应对杨梅栲胶进行两性改性。
3) The characteristic of "two phrases
两阶段性
4) hard segment modification
硬段改性
6) modified two-phase process
两段法改良工艺
1.
By means of dynamic test,the modified two-phase process was found out and applied in engineering design.
通过动态试验摸索出两段法改良工艺并应用于工程设计中,经过近两年的运行,取得了良好的效果。
补充资料：两段排尿
两段排尿
病名。指一次排尿后再次排尿者。见于憩室口较小而体积较大的膀胱憩室及巨输尿管症，一次排尿后，巨输尿管或憩室内的尿立即流入膀胱又产生尿意，并能再次排出相当量的尿。应针对原发病治疗。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条