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- 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
- 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。
- 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。
- Keywords nano size diamond;vacuum fluxing coating;tribological property; 纳米金刚石;真空熔覆涂层;摩擦学性能;
- nano sized Y-type oxytitanium phthalocyanine 纳米酞菁氧钛
- 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 cut the iron pole to the size he wanted. 他把铁杆锯成他需要的尺寸。
- What is the exact size of the room? 这个房间的确切面积是多少？
- He ranged the books according to size. 他照大小顺序排列这些书。
- Sorry, we've sold out of shirts in your size. 对不起，你这样尺寸的衬衣都卖完了。
- Would you like to try this jacket on for size, sir? 先生，你要不要试穿一下这件夹克衫，看看尺寸是否合适？
- He wants some brown shoes with lace, size nine. 他想要棕色的第带鞋，9号的。
- The company doubled its size in nine years. 9年来这家公司的规模扩大了一倍。
- The motels vary in size and comfort. 汽车旅馆的大小和舒适程度各不相同。
- It is a medium- size samsonite, and it's gray. 它是一个中型的灰色绅耐特皮箱。
- A complete set of type of one size and face. 一副活字一整套同样尺寸和型号的活字模
