The results show that the reactivity and the amount of hydrogen absorption in the HD process are related to the surface activity of the bulk alloy so that fresh active bulk has higher efficiency.
结果表明氢爆碎的吸氢速度和吸氢量与钕铁硼合金铸锭表面的活性有关，表面新鲜、活性大的合金铸锭氢爆碎的时间短、效率高。
The apparent porosity and water absorption were the lowest, the bulk density and heat-resistant property were the highest after dipping for 4 times.
材料性能随浸渍次数增加而优化，浸渍4次的显气孔率和吸水率最低，体积密度和热稳定性最高。
A flow injection on-line coprecipitation system has been coupled with an atomic absorption spectrometric system for the determination of trace calcium in bulk of cobalt and nickel matrix.
流动注射在线共沉淀分离富集-火焰原子吸收法现场快速测定钴镍基体中的微量钙。
Comparing with general bulk-oxide powders, nano-powders of oxide-materials exhibit blue and red shift in their optical absorption spectra.
纳米氧化物粉体与常规氧化物粉体相比呈现出吸收峰发生红移、蓝移等特异性能。
The results show that the porosity and water absorption decrease and the bulk density and bending strength increase, along with the sintering temperature raising and the time prolonging.
结果表明：随着烧结温度的升高和保温时间的延长，气孔率和吸水率减小，体积密度和弯曲强度升高；晶粒长大填充气孔，使多孔材料孔隙率下降而强度增加。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
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