1) soil sealant
土壤封闭剂
1.
In order to research the effect of Helvetic soil sealant(G soil sealant for short)on conserving soil water and improving the growth of ornamental forest tree,the benefits of using 4%G soil sealant with different spraying amounts were tested in sandy area,Yanchi county,chosen robinia hosqida(robinia pseudoacacia var.
为了研究瑞士"土壤封闭剂(Guilspar)"(简称G土壤封闭剂)保持土壤水分及其对观赏林木生长状况的影响。
3) soil seal formation
土壤表面封闭
4) blocking agent
封闭剂
1.
It is concluded that using ε-CL and DEM as blocking agents respectively,the deblocking temperatures of the polyurethane prepolymers were about 160 ℃ and 140 ℃ respectively.
以苯酚、ε-己内酰胺(ε-CL)、丙二酸二乙酯等封闭剂封闭TDI型聚氨酯预聚物,得到了一系列单组分聚氨酯乳液,并对其乳液稳定性、粒径,胶膜耐水性等性能进行了研究,发现胶膜的耐溶剂性、耐水性等性能均有提高。
2.
The characteristics of various blocking agents and their influences to the curing conditions,performances and et al of electrophoretic coatings are introduced in terms of blocking and deblocking mechanisms of isocyanate curing agents for electrophoretic coatings.
从电泳涂料用异氰酸酯固化剂的封闭和解封闭机理入手,介绍了各类封闭剂的特点以及对电泳涂料涂膜固化条件、性能等方面的影响,提出了电泳涂料用异氰酸酯固化剂的封闭剂的未来发展建议。
3.
Blocked polyisocyanates with low release temperature(110～120 ℃) were synthesized with methyl ethyl ketoxime as blocking agent.
以甲乙酮肟为封闭剂,制备了解封温度较低(110~120℃)的封闭型多异氰酸酯树脂;讨论了活性氢与异氰酸酯基团的摩尔比、反应温度、反应时间对封闭反应的影响;探讨了封闭的预聚体的解封反应,确定了其解封温度,并用红外光谱比较了封闭前后和加热解封后的预聚体。
6) sealing adhesion
封闭粘剂
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
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