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。
2
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
Uses: it applies to drying. wax melting, sterilizing and solidifying the large things in laboratories of industrial and mineral enterprise, medicine and science research unit.