Samples of blended coal ash were taken from the boiler of a power plant 700mw unit. Their softening temperature was measured by a pyramid method on an intelligent ash-melting point measuring device.
从某电厂700 MW机组锅炉取混煤灰样，在智能灰熔点测定仪上采用角锥法对其进行软化温度测定。
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
以对羟基苯甲酸甲酯、1，4丁二醇为主要原料，经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯（BBHB）；
The paper introduced the process for low-melting of semi-refined wax made with slack wax from by-product in butanone-toluene dewaxing unit.
介绍了应用石蜡发汗工艺以酮苯脱蜡装置副产的蜡膏为原料生产低熔点半精炼石蜡的过程。
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