说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 孔容
1)  pore volume
孔容
1.
Fast determination method of pore volume for catalyst support;
催化剂载体孔容积的快速测定法
2.
Simple method for synthesizing alumina with large pore volume and low apparent density
合成大孔容低密度氧化铝的简单方法
3.
Mesoporous aluminium oxide support with large pore volume by nano self-assembly
纳米自组装合成大孔容介孔氧化铝
2)  volume of mesopore
中孔孔容
3)  large pore volume
大孔容
1.
Nano fibrous γ-Al2O3 with large pore volume is successfully prepared by high gravitational reactive carbonation in rotating bed with helix channels.
采用螺旋通道型旋转床超重力反应器,利用碳分反应制备了粒径5~10nm,长几百纳米的大孔容拟薄水铝石。
2.
Pseudoboehmite with large pore volume and high specific surface area was successfully prepared by hydrothermal precipitation of sodium aluminate solution using SB pseudoboehmite(from Condea,Germany)as the seed,combined with dispersing and washing the precipitate with ethanol.
以德国Condea公司用有机醇铝法生产的拟薄水铝石SB粉为晶种,采用水热分解铝酸钠溶液结合乙醇分散洗涤种分产物的方法制得了大孔容高比表面拟薄水铝石。
3.
Nanofibrous γ-Al 2O 3 with very large pore volume was successfully prepared by precipitation from H 2O 2 and sodium aluminate solutions combined with dispersing and washing the precipitate with ethanol.
采用H2 O2 沉淀铝酸钠溶液和乙醇分散并洗涤沉淀相结合的方式成功地制备出了大孔容纳米γ Al2 O3 纤维 。
4)  Micropore volume
微孔容积
5)  pore volume
孔容积
1.
Specific surface areas,pore volumes were determined through BET method and t-plot method.
采用BET法和t法测定不同燃尽率的石油焦的比表面积和孔容积,并用FHH模型求得各样品的表面分形维数。
2.
The results show that the surface area, pore volume and pore distribution are the main factors for water vapor adsorption properties of sepiolite.
结果表明:影响海泡石吸湿性能的主要因素是其比表面积、孔容积和孔径分布。
6)  clearance hole
容屑孔
1.
This paper has put forward the design method of clearance hole in the circular screwing die.
本文提出了圆板牙容屑孔的设计方法 ,通过建立容屑孔合理的参数关系 ,大大提高了工作效率及设计的精确性 ,特别适用于非标圆板牙的设
补充资料:孔容
分子式:
CAS号:

性质:又称孔体积。(一)单位质量多孔固体所具有的细孔总容积,称为孔容或比孔容Vg。这是多孔结构吸附剂或催化剂的特征值之一。比孔容常由颗粒密度ρp和真密度ρt按照算出。式中为1g多孔固体的表观体积;1/ρt为lg多孔固体中骨架的体积;两者之差等于孔容。孔容一般用四氯化碳法测定,利用在一定的四氯化碳蒸气压力下,四氯化碳在多孔固体的内孔凝聚,把孔充满,此凝聚了四氯化碳的体积就是吸附剂孔的体积。(二)色谱柱中多孔填充剂的所有孔洞中流动相所占有的体积。

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