查询词典 nano

The nano-aluminum phosphate powder was prepared through adjusting the pH value of aluminum dihydric phosphate by dropping ammonia water at a proper temperature in the presence of additive CTAB.

在有机调整剂CTAB的作用下，将磷酸二氢铝溶液用氨水调节pH值在一定温度下合成纳米磷酸铝粉体，然后经高温烧结制得致密陶瓷薄膜。

Nano-technology is a kind of vigorously growing high technology turned up in late 80s and mainly studies the system composed by substance dimensioned from 1 to 100 nanometer.

纳米技术是80年代末诞生并正在蓬勃发展的一种高新技术，主要是研究由尺寸在1～100nm之间的物质组成的体系。

In this article, we have been investigated that synthesizing and properties of shape memory polyurethane. The shape memory polyurethane was synthesized from PCL diol, MDI(4, 4'-diphenylmethane diisocyanate) and BDO (1,4-butanediol) in this experiment. We analyzed that the effect of differential mole ratio of monomers to synthesized SMPU. Besides, the various concentrations of Nano-silver were mixed with SMPU. Mechanical properties and shape memory behavior of SMPU nanocomposite films were investigated.

本研究目的为藉由改变4，4'-二苯甲基二异氰酸盐(4，4'-diphenylmethane diisocyanate， MDI)/聚己内酯二元醇(polycaprolactone diol， PCL diol)/1，4-丁二醇(1，4-butanediol， BDO)等不同莫耳比制备形状记忆型聚氨基甲酸酯(Shape Memory Polyurethane， SMPU)；并探讨改变不同单体莫耳比及添加不同浓度奈米银溶液对其物性及形状记忆性的影响。

It was found that PEG4000 had a great effect on disagglomeration of nano powders and its additive content was associated with the synthesis process.

发现PEG4000能有效改变纳米颗粒的团聚现象，其添加量和制备方法有关。

The dispersity of nano-particles performs a key effect on the fraction and wear properties of composite.

纳米颗粒在基体中的分散是影响材料磨损性能的主要因素。

The results show that the best addition of OP-10 is 0.10% and it can effectively stabilize the dispersity of the nano-iron/ethanol sol.

结果表明，加入0.10的十二烷醇聚氧乙烯醚对纳米铁颗粒的分散起到很好的稳定作用。

So, in order to increase the dispersity of theNano-partical in coatings, its necessary to modify the surface of Nano-partical.

所以，必须对纳米粒子进行表面改性，削弱或者消除团聚现象，提高纳米粒子在有机高分子中的分散性。

The dispersity of nano-carbon black in Lyocell spinning solution was studied.

研究了纳米炭黑在Lyocell纺丝溶液中的分散性，制备不同含量纳米炭黑填充的Lyocell纤维，分析了纤维的结构与性能。

The invention relates to preparation technique of a water dissolvable CdTe nano crystal in mild conditions.

本发明涉及一种温和条件下合成水溶性CdTe纳米晶的方法。

Based on the development of homogeneous gold complex catalyst, the polymer immobilized nano-gold catalyst was also prepared and used for oxidative carbonylation of amines or activation of carbon dioxide to carbamates and disubstituted ureas without addition of any co-catalyst and dehydration agents with greatly enhanced catalytic activity (TOF≈3000mol/mol/h).

同时，纳米金可以催化活化二氧化碳与脂肪族胺反应制备二取代脲，避免了传统上二氧化碳活化所大量使用的脱水剂，是当前文献报道最高效的胺与二氧化碳反应的催化剂体系（TOF≈3000mol/mol/h）。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。