软化点

The influence of different synthetic procedures of novolac on gelation speed and softing point was investigated.

研究了不同合成工艺对壳法用热塑性酚醛树脂聚合速度和软化点的影响。

The results indicate that the optimal temperature of the process is decided by the viscosity,gelation time and softening point of the binders.

通过温压机理的分析，发现温压工艺的温度主要决定于粘结剂体系的黏度、软化点和凝胶时间。

The influences of irradiation dose on the crosslinking degree and thermal, mechanical and flame retardant properties of EVA/MH blends were studied through the measurements of gel content, Vicat point, limiting oxygen index, UL-94, tensile testing and the thermogravimetric analysis.

通过对凝胶含量、维卡软化点、氧指数、UL-94垂直燃烧和拉伸性能的测试及热重分析，研究了辐照剂量对EVA/氢氧化镁交联体的交联度、热性能、力学性能和阻燃性能的影响。

The results showed that the products could be prepared with Mn 6000~10000, PDI less than 4, n-heptane tolerance 10~20 mL/2g, softening point more than 110℃. It is a kind of new polymeric polymer used in the lithographic mimeograph ink.

实验表明，亚麻油与松香质量比在20%~40%之间时，所得产品分子量 6000~1000，分子量分布范围小于4，庚烷容纳度在10~20mL/2g，软化点大于110℃，是平版印刷油墨用的一种新型高分子聚合物。

A method for the determination of residual pentane content in de-oiled asphalt of Liaohe heavy crude vacuum residuum was studied by using static headspace gas chromatography. The effects of gas-liquid phase ratio, equilibrium time and equilibrium temperature on headspace analysis were investigated.

采用静态顶空气相色谱法测定辽河稠油减压渣油高软化点脱油沥青中戊烷的含量，确定了色谱的测定条件，研究了气液相比、平衡时间、平衡温度等因素对定量分析的影响。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by air blowing respectively.

分别以煤焦油为原料在300℃空气氧化120min～480min和以石油渣油为原料在220℃空气氧化300 min～720 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by thermal reactions respectively.

分别以煤焦油为原料，在430℃热缩聚50min～270min和以石油渣油为原料在 310℃热缩聚130 min～370 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

This process causes material to reach to the softening point.

这一过程的原因，以达到材料的软化点。

These are the penetration test and the softening point test.

这些是渗透测试和软化点测试。

It has high SiO2,low flux (AL2O3+2R2O),low Fe2O3,high refractoriness under load, low true density,low residual quartz,high tridymite and cristobalite.

该产 品具有SiO2含量高，熔融指数（AL2O3+2R2O）低、Fe2O3含量少，荷重软化点高、真密度小、低含量残余石英、方、磷石英含量高等特性。

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。