乙烯的

Despite its name it does mot directly promote abscission, but only indirectly through increasing ethylene production.

尽管它被称为脱落酸可是它并不直接促进脱落，而是间接的通过增加乙烯的释放量来完成脱落的过程。

Poly was synthesized with calcium ammine as catalyst system and hexane as solvent,and the relationship among catalyst amounts,polymerization temperature,polymerization time and moisture of solvent with the yield of PEO and its relative molecular mass were investingated.

阐述了采用氨钙体系催化剂、以正己烷为溶剂的沉淀聚合制备聚氧化乙烯的方法。研究了催化剂用量、反应温度、反应时间及溶剂含水量与PEO收率及其相对分子质量的关系。

The field of machinery industry of the friction coefficient of PTFE small, the static coefficient of friction lower than the dynamic friction coefficient, can be used for low-speed high-load areas, such as in construction, chemical, bridges and other structures to resolve cases arising from thermal expansion and vibration of the stretching problem.

机械工业领域聚四氟乙烯的的摩擦系数小，其静摩擦系数低于动摩擦系数，可用于低速高负荷领域，如在土建、化工、桥梁等结构件中可解决热膨胀和震动引起的伸缩问题。

Test results show that, with the addition of polyvinyl acetate, the compressive strength and compressive modulus of mortar decrease distinctly, but the ultimate strain increases significantly. The uniaxial tensile strength and bending strength increase a little, but the tensile peak-strain and the ratio of tensile-compressive and bending-compressive increase remarkably.

试验结果表明，随着聚醋酸乙烯的掺入，砂浆的轴压强度和弹性模量显著下降，但极限应变却明显增大；砂浆的轴拉强度和抗弯强度均略有提高，而极限应变、拉压强度比和弯压强度比则显著增加。

In order to elucidate the effect of minerals and humic matter on the sorption of hydrophobic organic chemicals, sorption of trichloroethylene on series humic acid modified and unmodified montmorillonite, kaolinite and silica gel was studied in this paper.

为了分别揭示矿物质、有机质在疏水性有机物吸附中的作用，文章研究了蒙脱石、高岭土、硅胶以及用腐殖酸修饰后的这3种模型吸附剂对三氯乙烯的吸附行为。

A salt or ester of hypochlorous acid.

碳酸二苯酯表现典型的乙烯的酯类的效应。

In chapter 2, the Michael additions of functionalized organozinc iodides with α,β-unsaturated aldhydes, ketenones, esters and l-aryl-2-nitroetheneshave been investigated in the presence of Cu〓/ 2LiCl.

第二章主要研究了在低毒、稳定、易得、价廉的Cu〓存在下，带官能团的有机碘化锌与α，β-不饱和醛、酮、酯及1-硝基-2-芳基乙烯的Michael加成反应，并探讨了反应机理。

AQUEOUS DISPERSIONS OF HOMO AND COPOLYMERS OF VINYL ACETATE.

醋酸乙烯的聚合物和共聚物的水分散物。

Tetrafluoroethylene membrane structure of the distribution of the different densities of plating points, this lattice so that the water cube to effectively regulate the temperature.

四氟乙烯的膜结构上分布著密度不同的镀点，这种点阵使水立方能够有效地调节温度。

With the oc currence of ethylene climax,there was a rapid change in sugar content and inv ertase activity.

伴随着乙烯的跃变，有一个糖代谢和转化酶活性的跃变。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。