查询词典 resin

The influence of isocyanate indexes and the time of adding cellulose-acrylic acid graft water absorbent to resin properties were studied.

研究了异氰酸酯指数以及纤维素接枝丙烯酸类吸水剂的加入时间及用量等因素对材料性能的影响。

The curing reaction of cationic polyacry-lates with blocked isocyanate s and amino resin was studied.

合成了阳离子型聚丙烯酸酯树脂，并分别用封闭型异氰酸酯及氨基树脂对其交联固化。

The exceptional purity of the n-heptane distilled from Jeffrey Pine resin, unmixed with other isomers of heptane , led to its being used as the defining zero point on the octane rating scale of petrol quality.

还含有溶解在萜烯中的不挥发的黏性固体，所以当树脂暴露在空气中，萜烯类物质挥发掉，使得树脂黏度增大，形成固体。

Agarwood is known as "Jinkō" in Japan, which translates as "incense that sinks in water", due to the weight of the resin in the wood.

日本称沉香为"Jinko"，意为"沉入水中的香"，因为沉香木中的树脂的重量而后得名。

Ants of Switzerland's Jura region search out antibacterial spruce resin and distribute it within their nests to reduce the number of pathogens.

瑞士汝拉地区的蚂蚁会去寻找一种抗菌云杉树脂，并把这些树脂放在蚁穴中，这样就可以减少病原体的数量。

Objective To select the optimal process parameters for refining total flavonoids from the leaves of Diospyros kaki using macroporous resin.

摘要目的筛选大孔树脂纯化柿叶总黄酮的最佳工艺，为后续研究提供基础。

Resin of the kauri trees of N Zealand; found usually as a fossil; also collected for making varnishes and linoleum .

新西兰贝壳松的树脂，发现时通常为化石状，收集以制作清漆和油布。

Keywords ketene;isopropenyl acetate;esterification;strong acidic cation-exchange resin;fine chemical intermediates

乙烯酮；乙酸异丙烯酯；酯化反应；强酸性离子交换树脂；精细化工中间体

Kevlar Fibers: Very expensive and also critical to work with because it is hard to "soak" in the resin.

Kevlar纤维：非常昂贵，也是至关重要的工作，因为这是很难"泡"在树脂。

The fibre reinforced resin bond grinding wheel for cutting off is widely used. The traditional presses used for manufacture this type of grinding wheel in most factories at present have problems, such as laboriousness for workers, low efficiency of production, and dependance of products quality on operators' skillnes. This paper introduced a new type of press for shaping grinding wheel with six stations designed by the authors, considering the shortcoming of presses in use and the operating characteristics in manufacture of this type of grinding wheel.

概述纤维增强树脂薄片砂轮是一种低值易耗产品，在树脂砂轮中占有很大的比重，主要用于切割各种规格的型钢，在国内外都有较大的市场，随着市场竞争的加剧，对产品质量和生产效率提出了更高的要求，各生产厂家只有通过降低生产成本提高产量来挤占市场。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。