结果表明，相比于基准水泥石，UFA水泥石内部自干燥程度大大降低；
The results indicated that the inner self-desiccation degree of hardened cement paste containing UFA reduced more than that of ordinary hardened cement paste.
与基准水泥浆体相比，煤矸石水泥浆体总孔隙率有所上升，但其孔径后期有所细化。
Total porosity of coal gangue cement paste is higher but its pore size at later age is smaller than that of reference cement paste.
本文通过对掺入粉煤灰的高强水泥砂浆、高强石灰水泥砂浆与基准砂浆的对比试验，分析了粉煤灰对砂浆性能的影响。
On the paper, constrative experiment of fly ash cement mortar, fly ash line cement mortar and datum cement mortar has been done. The influence of mortar's performance fly ash made is analysised.
结果表明：以GB/T176—1996《水泥化学分析法》和GB/T5484—2000《石膏化学分析法》中的基准法即重量法不能准确测定含亚硫酸钙的脱硫灰中的硫含量；
The results showed that the gravimetric method commanded by GB/T176-1996 and GB/T5484-2000 was inaccurate to measure the sulfate content while the distillation method was comparatively accurate.
中国ISO标准砂是等同采用国际标准检验水泥强度的法定基准材料，是国家专营专控的战略性物资。
Ltd. is the only enterprise designated by Chinese government to produce and sell China ISO Standard Sand.
中国ISO标准砂是等同采用国际标准检验水泥强度的法定基准材料，是国家专营专控的战略性物资。
Ltd. is the only enterprise designated by Chinese government to produce and sell China ISO Standard Sand.
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