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Porous alumina films with nanometer size have been fabricated through electrochemical method in the aqueous solutions of sulfuric acid and oxalic acid. 采用电化学方法在硫酸和草酸溶液中制备了具有纳米结构的多孔氧化铝。
Nanometer sized grains contain only about 900 atoms each. 纳米尺寸的晶粒每个只包含大约900个原子。
This kind of amphoteric polyurethane (APU) can form stable nanometer sized waterborne dispersions in acid or alkaline media. 同时还测定了APU的等电点和水分散液中APU分子链上可离子化基团的含量 ;
The application and the progress in the preparation of nanometer sized materials by molecular self assembly method are reviewed. 对分子自组装技术在纳米材料制备方面的应用及其研究进展作了综述报导。
Long term protection can only be offered by nanometer sized water repellant which can penetrate up to 5 mm into the surface. 要想实现长期的防水保护，只能依靠纳米级防水剂，因为它的最大渗透深度可达5毫米。
Nanometer sized lead oxide was prepared by pyrogenetic decomposition of lead carbonate synthesized by chemical precipitation. 采用均匀沉淀法合成碳酸铅,在此基础上通过高温分解制备纳米氧化铅。
The effect of nanometer sized lanthanum oxide on catalyzing thermal decomposition reaction of absorbent powder (nitrocellulose absorbed nitroglycerine,NC/NG) was studied by DSC. 研究了纳米氧化镧对吸收药(硝化棉吸收硝化甘油的混合物,NC/NG)热分解反应的催化作用,并提出了形成过渡态配合物的反应机理。
Magnetotactic bacteria can form uniform nanometer sized magnetic particles(megnetosomes)within the bacterial cells and each particle is enveloped in a membrane. 趋磁细菌细胞内合成的纳米磁小体具有颗粒均匀,晶型稳定的特点,每个磁小体有脂膜包被。
Two methods for production of nanometer sized ultrafine calcium carbonate, batch bubble carbonization and multistep carbonizartion with continuous spray were presented. 介绍了纳米级超细碳酸钙的2种生产方法：间歇鼓泡碳化法和连续喷雾多段碳化法。
Nanometer size Fe Ag and Co Ag magnetic embedded clusters are produced by Evaporation Gas Aggregation(EGA)co deposition on formvar foil. 利用蒸发－气体－聚集（EGA）共沉积方法，在有方华膜的电镜载网上制备了Fe－Ag及Co－Ag系列纳米磁性包埋团簇，通过控制蒸发电流等沉积条件，获得了不同团簇大小的样品。
Polymeric micelles self-assemblied by amphiphilic block copolymers in aqueous media are thought to be promising drug carriers with nanometer size. 由两亲性聚合物形成的胶束是一种很有发展前景的纳米级药物载体。
L. Novotny、D. w. Pohl、P. Regli , ”Light propagation through nanometer sized structures : the two-dimension aperture scanning near-field optical microscope”, J. Opt. Soc. Am.A. , pp. 1768-1779 (1994). 白益豪;”射频磁控溅镀五氧化二钽薄膜之光学性质与微结构研究”;国立中兴大学材料工程学研究所硕士论文(2003).
Analysis of SEM,TEM and DSC of AT/EOC composites showed that attapulgite still dispersed in a micrometer size in prepared AT/EOC composites,not at expected nanometer size,and it hardly affects on the crystallity and melting of EOC. 通过SEM、DSC、TEM分析表明 ,制备的AT/EOC复合材料是凹凸棒石呈微米尺寸分散的复合材料 ,AT未能分散形成纳米单晶 ,并且AT对EOC的结晶、熔融无明显影响。
We propose a method by which periodic two dimensional arrays of identical metal clusters of nanometer size and spacing could be spontaneously obtained by using standard molecular beam epitaxy. 我们提出了利用分子束外延的自组织生长过程大面积制备二维周期性纳米金属团簇阵列的一种方法。
Non-viral gene complexes fabricated by supramolecular assembly showed great potential in gene therapy due to the suitable nanometer size, controllable structure and excellent biocompatibility. 采用超分子组装技术制备的非病毒基因传递体系，由于具有合适的纳米尺寸、可控的结构及良好的生物相容性，显示出巨大的发展潜力及应用前景。
Progresses in the synthesis and characterization of molecular sieves with nanometer sizes are reviewed, and the application of these novel materials in catalysis is also described. 综述了近年来超细沸石分子筛的合成及其结构-性能表征方面的进展,并简介超细分子筛材料在催化领域中的应用。
The Oxidative Characteristics of Nanometer Sized SiC Partiles SiC纳米微粉的氧化特性
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。
Namiyanghuaxin, nanometer alumina processing, and marketing. 纳米氧化锌、纳米氧化铝加工、销售。
A man's shirt is sized by its neck. 男子的衬衫号码是按领口大小分的。