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- PTFE matrix composites were fabricated using mixing nano sized powder process and vaporizing impregnant process. 采用溶剂蒸发法和固体纳米粉末混合法制备两种工艺制备了PTFE复合材料。
- There are mainly two methods to prepare nano sized titania, uch as vapor phase process and liquid phase process. 纳米钛白的制备方法大致可分为两类,即气相法和液相法,而液相法是研究的重点和热点。
- The results show that the hardness of composites fabricated with vaporizing impregnant process is much higher than that fabricated with mixing nano sized powder process. 结果表明在填料含量相同时,溶剂蒸发法制备的PTFE复合材料的硬度显著高于固体纳米粉末混合法制备的PTFE复合材料的硬度;
- The type,reaction mechanism and application of nano sized semiconductor photocatalyst are reviewed.The improvement of photocatalyst is also discussed in brief. 对半导体光催化剂的类型、作用机理、应用及其性能改进作了综合评述。
- Compared with pure PTT, the thermal stability, crystallization and tensile performance of the PTT/MMT composites are improved due to the introduction of nano sized DK2 MMT. 与纯PTT相比,由于MMT在PTT基体中达到纳米尺寸分散,PTT/MMT复合材料的热稳定性能、结晶性能和拉伸性能都得到了明显提高。
- Gets or sets the maximum point size a user can select. 获取或设置用户可选择的最大磅值。
- Gets or sets the minimum point size a user can select. 获取或设置用户可选择的最小磅值。
- Using nitrates and etylene diamine tetra acetic acid(EDTA) as raw materials, Nano size La 0.8 Sr 0.2 FeO 3 powder was synthesized by EDTA complexing Sol Gel method at lower temperature. 以金属硝酸盐和乙二胺四乙酸 (EDTA)为原料 ;用EDTA络合溶胶 凝胶法合成了La0 .;8Sr0
- nano sized Y-type oxytitanium phthalocyanine 纳米酞菁氧钛
- A man's shirt is sized by its neck. 男子的衬衫号码是按领口大小分的。
- And the mid- size car have a lot more legroom. 而且中型车的腿部伸展空间较为宽敞。
- He sized up the situation at a glance. 他一眼就看出了这种局势。
- This is a handsomely sized room. 这间房间大得有气派。
- The "New pages" setting lets you decide how much size a new page should take up when opened. “新建页面”设置允许您决定打开新页面时应采取何种行动。
- The "New tabs" setting lets you decide how much size a new tab should take up when opened. “新建标签”允许您设置新打开的标签的初始大小。
- It is pointed out that:Andalusite is a kind of quality natural refractory raw material,and its particle size a... 指出:红柱石是一种优质的天然耐火原料,其粒度、纯度对耐火材料的质量及性能有决定性的影响。
- This makes size a useful property in conveying information hierarchies. Sufficient distinction in size is also enough to draw our attention quickly. 这样在传达信息层次结构时,尺寸就是很有用的一个属性,尺寸上具有明显的不同也会迅速引起我们的注意。
- In order to size a stop-check the technical information needed is saturated steam gage pressure in pounds per square inch and actual required steam volume flow in pounds per hour. 为了正确选择自动阻断止回角阀的公称通径,首先需要一些技术数据:饱和蒸汽表压(每平方英寸多少磅)和所需要的、准确的蒸汽流量(每小时多少磅)。
- It is a medium- size samsonite, and it's gray. 它是一个中型的灰色绅耐特皮箱。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。