酯

The invention discloses a ternary alloy hyperacoustic motor frictional material of the fire resistance resin modified polyphenyl ester, which solves the low friction coefficient problem, the low impact strength problem, the low abradability problem and the bad processability problem of the prior hyperacoustic motor.

耐高温树脂改性聚苯酯三元合金超声马达摩擦材料，它涉及一种聚苯酯基超声马达的摩擦材料。本发明解决了现有超声马达摩擦材料存在摩擦系数小、冲击强度低、耐磨性能达不到要求，以及加工性能差等缺点。

The property characteristics of new generation of ester-hardened sodium silicate sand was introduced, and the factors influencing the atmospheric temperature strength and collapsibility of.

笔者介绍了新型酯硬化水玻璃砂的性能特点，就酯硬化改性水玻璃砂常温强度和溃散性的影响因素与改进方法进行了试验研究和探讨。

The results showed that the condign technical conditions for preparing the composite were 30℃ for the reaction temperature, 0.8/1 for the molar ratio of ethyl acetate and SiO2, and 6.5% for the concentration of water glass.

结果表明，制备SiO2/NR复合材料较适宜的复合工艺为院水玻璃与乙酸乙酯反应温度30益，乙酸乙酯和水玻璃溶液中所含SiO2的摩尔比n为0.8∶1，水玻璃浓度为6.5%。

The experimental data indicated that nine kinds of the above studied pyrethroids containing isoxazole were active against cabbage worm and cotton aphid.

初步的试验表明，其中9个异噁唑醚菊酯化合物具有较强的生物活性，为新型拟除虫菊酯的创制提供了参考依据。

Biodiesels were synthesized by the transesterification reaction of cottonseed oil and methyl alcohol and ethyl alcohol, respectively, in order to study the lubricating properties of biodiesel.

为研究生物柴油的润滑特性，该研究用棉籽油与甲醇和乙醇分别进行酯交换反应，制备出甲酯生物柴油和乙酯生物柴油。

As an important industrial solvent,it is capable to dissolve cellulose ether, cellulose ester, nitrocellulose ,alkaline base dyestuff, PVC, polyvinyl acetate, polymethylmethacrylate, polystyrene, coumarone resin, 100% phenol resin, modified phenol resin and various natural resins.

能溶解纤维素醚、纤维素酯、硝化纤维素、碱性染料、聚氯乙烯、聚醋酸乙烯酯、聚甲基丙烯酸甲酯、聚苯乙烯、香豆酮树脂、100%酚树脂、改性酚树脂以及多种天然树脂，是一种重要的工业溶剂。

The major biological function of triglyceride was energy storage and supplement especially in the condition of cell suffered from energy. In the meanwhile, the triglyceride also decomposed and releases H2O that stimulate metabolic function and biochemistry reaction of the cell. Above all the mention, cholesterol and triglyceride were indispensable in the normal physiological function in the human body. In the recent years, the hypertension, diabetes mellitus, stroke and coronary artery diseases were very popular and suffered from many people that lack of exercise, changes life style and diets habits leading to increase crapulence, tension, obesity and aging. Above all the diseases were very concerned with the hyperlipidaemias.

三酸甘油酯最主要的功用是作为能量贮存的场所，并且在人体需要的时候，适时提供能量的补给，同时提供水份，以维持细胞以及组织新陈代谢的进行，所以，胆固醇和三酸甘油酯都是维持正常生理活动所不可或缺，但是近年来由於国人的生活方式及饮食习惯的改变，工作紧张忙碌，应酬多而且暴饮暴食，缺少运动，肥胖人口增加，以及人口结构日趋老化，使得高血压、糖尿病、脑中风及冠状动脉心臓病逐渐成为国人最常见的疾病，而上述这些疾病和高血脂症有极其密切的关系。

When Ri increases, the effort in the molecular will increase, and molecular in the emulsion will crimple in group, the distribution of molecular weight in emulsion will widen and distribution degree increase.

利用预聚体封端接枝技术合成了具有优异贮存稳定性和耐水性的丙烯酸酯改性聚氨酯水分散体与丙烯酸酯-有机硅氧烷复合改性聚氨酯水分散体。

The limited detectable concentration was 85μg/L. The cross-reaction rate between PAb and other pyrethroid pesticides was low, except deltamethrin.

以抗体与甲氰菊酯的反应率为100%，抗体与其他4种菊酯类农药交叉反应率很低，与溴氰菊酯交叉反应较高。

But due to the commonstructure characteristic of the segmented copolymers, the ratio of 〓 is still aneffective parameter to predict the crystallizability of the two segments in limitedenvironment.

虽然这个确切的比值对聚醚酯多嵌段共聚物不具有普遍意义，但是由于聚醚酯多嵌段共聚物共同的结构特征，软硬链段之间的相对长度仍是一个反映两种链段结晶能力的一个很有用的参数。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。