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- Its effective aperture is 0.9 nm and ratio surface area of BET is 583 m2/g. The capacity of its exchangeable cation is 316 meq/100g. 分子筛有效孔径约为0.;9 nm;BET比表面积583m2/g;阳离子交换容量(CEC)316 meq/100 g。
- The nanomaterials as catalysts have high ratio surface area and high surface energy, showing much higher catalytic activity than traditional catalysts. 摘要纳米尺度的催化剂具有高的比表面积和表面能，其催化活性显著高于传统催化剂。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- ratio surface area 比表面积
- The BET surface area of CA could achieve 340.1m2/g. 炭化树脂的BET比表面积可达340.;1m2/g。
- Exact computation of the burning surface area is lengthy. 燃烧面积的精确计算是非常繁难的。
- In printing, the surface area taken up by type of a given size. Thus an8 point type occupies a print area of8 point em. 在印刷技术中，给定尺寸的铅字所占有的表面积。这样，一个8点的铅字则占有8点em的印刷面积。
- The high rate of bacterial metabolism requires a high ratio of surface area to cell volume. 细菌的高代谢速度要求高的表/体比。
- The ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body. 在空气中运动的物体所受的牵引力与速度和物体表面积成绩的比。
- The burning surface area remains constant during the entire firing. 在整个燃烧期间的燃烧面积是常值。
- Class, and the surface area is calculated for each figure. 类,并为每个图形计算表面积。
- What effect does emphysema have on the surface area of the lungs? 肺部表面如果出现裂层有什麽影响?
- The moisture buffering effect of this layer depends very much on the air exchange rate and also on the ratio of the surface area of the buffer to the volume of the room. 湿缓冲效果依赖于空气置换率和房间内多孔缓冲材料的表面积和空间的比率。
- To remind you of something we learned from biology: the surface area ratio increases when the volume of an object decreases. 要是你还记得的话，上生物课时我们学过：一件物件的表面面积比率，随著物件体积减少而增加。
- Smaller bodies, however, have a larger ratio of surface area to volume, allowing them to cool down faster by radiating their heat into space. 相对的，较小的天体，其表面积对体积的比值较高，使它们能更快的把热量辐射至太空中而冷却。
- The particle's diameters of nano-particle and " de Broglie" wavelength of election are about the same length/The nano-solids are made of nano-particles with big ratio surface. 由纳米微粒构成的纳米固体又存在庞大的界面成分。
- The specific surface area of RF and CRF aerogel was mainly determined by the stoichiometry of reatants and R/C ratio, an... 喇曼光谱测试结果表明碳气凝胶颗粒内部存在有微晶化结构；
- Two-parameter model for predicting the decrement of compressing strength of hydrated shale based on surface area to volume ratio and CEC is setted up. 建立了基于泥页岩比表面积和CEC的预测泥页岩水化后抗压强度衰减量的双参数模型。
- The Brindle hardness number (HB, formerly BHN) is defined as the ratio of the load P to the curved surface area of the indentation. 布氏硬度值（HB,之前写作BHN）按照加载物在凹口的曲面区域的比值来定义。
- Switzerland has virtually no mineral resources and a restricted surface area. 瑞士国土面积小,矿产资源资源贫乏。
