查询词典 PESA

It was showed that there was strong synergistic effect between PESA and zinc ion(Zn2+).

实验结果表明：聚环氧琥珀酸与Zn2+质量比为64时，协同增效作用最佳。

In the polymerization, viscosity of PESA increased with the increase of the mass of Ca2 and the reaction temperatures; but it was not sensitive to pH value in the polymerization.

环氧琥珀酸的聚合反应中加入的引发剂Ca2的质量和反应温度对于聚环氧琥珀酸的粘度影响很大，随着Ca2的质量增加或是反应温度的提高，它的粘度始终保持着增长的趋势。

The effects of PESA on CaCO3 scale diameter and scale shape were investigated by size distribution measurement and SEM respectively.

以顺丁烯二酸酐为原料一步法合成了聚环氧琥珀酸，并对产物进行了IR和13C NMR表征。

Objective: Retrospective study of the results of ICSI(intracytoplasmic sperm insemination)with frozen sperm obtained by PESA( percutaneous epididymal sperm aspiration ) was performed in 27 patients.

目的：回顾性分析27例无精子症患者经皮附睾穿刺取精术所获精子冷冻复苏后行卵细胞胞质内单精子注射治疗后的效果及妊娠结局。

The molecular structure was clarified by IR, which revealed the existence of ether bonds. The content of tartaric acid and unreacted maleic acid were detected by spectrophotometer. The effect of some factors on the yield of ESA and scale inhibition efficiency of PESA was investigated.

利用红外光谱表征了该产物结构，表明分子链中含有醚键；利用紫外－可见分光光度法测得体系内副产物酒石酸和未反应的马来酸的含量，并系统地研究了各因素对中间产物环氧琥珀酸钠的产率和最终产物聚环氧琥珀酸钠阻垢性能的影响。

Synergistic corrosion inhibition effect of polyepoxysuccinic acidand zinc ion on carbon steel was studied with hanging slice dynamic test;and the synergistic corrosion inhibition effect of PESA and benzotriazoleon copper was also studied.

用旋转挂片法研究了聚环氧琥珀酸与锌盐复配对碳钢缓蚀作用的协同效应；同时研究了聚环氧琥珀酸与苯并三氮唑的复配对黄铜的缓蚀协同效应。

Terpolymer of acrylic acid/acrylic amide/malefic anhydride was synthesized and mixed with polyepoxysuccinic acid in order to improve the scale and corrosion performance of the latter in this study.

为了提高PESA的阻垢缓蚀性能，合成了丙烯酸／丙烯酰胺／马来酸酐三元共聚物，与聚环氧琥珀酸进行物理复配，考察了温度、反应物配比及浓度对复配产品阻垢和缓蚀性能的影响。

At some point in the mid-nineties he got his first pair of turntables and since then also got involved in deejaying.

开始，这些音乐都是流行的鼓点，但在他的老朋友，曾经的偶像，瑞士heavyfunk的创始人 Ilarius和 Pesa的鼓励和帮助下，他成为一名真正的BreakDJ。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。