1) volume current density
体积电流密度
2) Electricity area density
电流面积密度
4) volume ionization density
体积电离密度
5) Bulk density
体积密度
1.
Influence of bulk density and graphitization degree on hardness of C/C composites;
C/C复合材料的体积密度和石墨化度对硬度的影响
2.
The results show that both magnesia and spinel are good additives to improve sintering of alumina,and bulk density of the sample can also be increased by properly extending sintering holding time.
结果表明,适量氧化镁和镁铝尖晶石都能有效改善Al2O3陶瓷烧结性能,适当延长保温时间有利于样品体积密度的增加,但是掺杂微量氧化镁更有利于透过率的提高。
3.
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。
6) apparent density
体积密度
1.
Aiming at the unsatisfactory apparent density of green anode,this thesis figured out the disfigurement of dry aggregate recipe in a certain company,and took some effective steps to gain a higher apparent density,thus improved the quality of pre-baked anode.
针对生阳极制造过程中体积密度始终不理想的现状,通过分析、试验,发现干料配比中存在的问题,并采取有效措施,成功地提高了生块体积密度,从而明显提高了预焙阳极质量。
2.
A test is done on pre-baked anode made from calcined coke in aspects of apparent density,real density,porosity,resistivity of powder,compressive strength,which shows compressed petroleum coke improves its chemical and physical performances.
将煅前石油焦压密和煅烧,通过体积密度、真密度、显气孔率、粉末电阻率、颗粒抗压碎强度的测试,研究压密煅烧石油焦特性。
3.
The investigations were conducted experimentally on not only its petrogrphic structure but alsothe properties of its compressive strength, apparent porosity,apparent density and moisture content.
报道了玻璃－云母多孔材料研制的结果，研究了该材料的岩相结构，对材料的抗压强度、显气孔率、体积密度进行了测试。
补充资料：体积密度
分子式：
CAS号：
性质：又称表观密度，体积密度，松密度。是单位体积颗粒床层的固体质量，颗粒床层体积是颗粒体积与颗粒之间空隙的总和。若催化剂质量为m，堆体积为Vb，则堆密度ρb=m/Vb。这种密度可用100ml量筒量出。同一种颗粒，其表观密度不变，但当床层的空隙率不同时，颗粒床层的堆密度不同。
CAS号：
性质：又称表观密度，体积密度，松密度。是单位体积颗粒床层的固体质量，颗粒床层体积是颗粒体积与颗粒之间空隙的总和。若催化剂质量为m，堆体积为Vb，则堆密度ρb=m/Vb。这种密度可用100ml量筒量出。同一种颗粒，其表观密度不变，但当床层的空隙率不同时，颗粒床层的堆密度不同。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条