纳米

To gain the high-guality GaN nanostructure,GaN nanowire s were successfully prepared on the Si(111) substrates through ammoniating Ga2O3/V thin films deposited by magnetron sputtering.

为了制备高质量的GaN纳米结构，采用磁控溅射技术先在硅衬底上制备Ga2O3/V薄膜，然后在流动的氨气中进行氨化反应，成功制备出GaN 纳米线。

Rare earth metal seed Tb was employed for the growth of GaN nanorods. GaN nanorods were synthesized successfully through ammoniating Ga2O3/Tb films sputtered on Si(111) substrates. X-ray diffraction results indicated that the nanorods were hexagonal GaN.

使用稀土元素Tb作催化剂，通过氨化溅射在Si(111)衬底上的Ga2O3/Tb薄膜，成功制备出GaN纳米棒。X射线衍射测试显示，GaN纳米棒具有六方结构。

Three groups were studied:(1)antisense mTOR group:antis...

转基因组移植静脉转染以纳米粒子为载体的反义mTOR基因，空载体组单纯转染纳米粒子包载的空载体，对照组不予特殊处理。

The "water pool" in reverse micelle is formed by surfactant spontaneously arraying in non-aqueous solvent. This provides an excellent micro-reactor for the preparation of nanoparticles.

表面活性剂会在非水溶剂中自发排列形成纳米尺寸的&水池&，这为纳米粒子的制备提供了优良的微反应空间。

One company, Nanobac Pharmaceuticals of Tampa, Florida, offers immunological tests to detect antibodies against nanobacteria, or 'calcifying nanoparticles', as it calls them, in human serum or plasma.

佛罗里达州一家名为Nanobac的药物制剂公司，进行了免疫学实验，以检测纳米菌的抗体，或是钙化的纳米粒子（它们在人血清或血浆的称呼）。

Co-doped ZnO was prepared at the base of the successful synthesis of ZnO. They were charactered and their properties were studied.

在成功制备纳米氧化锌粒子的基础上，进一步合成了钴掺杂的氧化锌纳米粒子，并研究了其结构和性能。

The study result showed that the polyacrylate hydrolyzed and chelated metal ions by its carboxylic group and then,performed as a protection la...

研究结果表明，金属离子首先与聚合物的羧基络合，生成硫化物纳米微粒后，聚合物又包覆在纳米微粒的表面形成保护层。

Carboxymethyl cellulose was used for pulping agent and water was used for dissolvent in this process. The organic pulp on the surface of the ZnO nanotapers film was decomposed fully, and the ZnO nanotapers were neither curving nor conglobating at high temperature. Moreover, this method had the advantages of low fabrication cost and simple process.

该工艺以羧甲基纤维素为制浆剂，以水为溶剂，所制备的ZnO纳米锥薄膜表面上的有机浆料已基本分解，ZnO纳米锥在高温下既不会弯曲也不会团聚，且成本低，工艺简单。

A preparation method of the visible-light photocatalyst Bi2WO6 nano-powder is characterized by comprising the steps as follows:(1) the selection of raw materials;(2) bismuth nitrate Bi(NO33 question mark 5H2O is added into a citric acid solution to obtain the citric acid solution containing white sediment;(3) EDTA is added into ammonia water which is then added dropwise with the citric acid solution containing the Bi(NO3)3 question mark 5H2O so to obtain a solution of bismuth;(4) the solution of bismuth is added with (NH4)6W7O24 question mark 6H2O solution to form a precursor solution which is then stirred, dried, coked, cooled and ground to obtain decarburized powder;(5) the decarburized powder is roasted for 2h to 4h under 450 DEG C to 550 DEG C to obtain the visible-light photocatalyst Bi2WO6 nano-powder.

可见光催化剂Bi 2 WO 6 纳米粉体的制备方法，其特征在于它包括如下步骤：1原料的选取；2将Bi(NO 3 ) 3 5H 2 O加到柠檬酸溶液中，得到含有白色沉淀的柠檬酸溶液；3将乙二胺四乙酸加到氨水中，并缓慢滴加入含有Bi(NO 3 ) 3 5H 2 O的柠檬酸溶液中，得铋的溶液；4将(NH 4 ) 6 W 7 O 24 6H 2 O溶液加入上述铋的溶液中，组成前驱液；搅拌，干燥，焦化，冷却后，研磨，得去碳的粉体；5将去碳的粉体在450～550℃下焙烧2～4h后，得到可见光催化剂Bi 2 WO 6 纳米粉体。

The present invention is characterized in that the ammonium metatungstate powders and the cobltic-nitrate powders are respectively dissolved in the water and scattered in the liquid nitrogen to be pre-frozen using a nitrogen spray gun after being mixed and defecated, and then are placed in a freezedryer to be dried vacuumly and finally the powders are obtained. The nanometer powder i.e. the nano tungsten-cobalt composite powder is obtained by reducing the freeze-dried mixed powder in the atmosphere of hydrogen.

该微晶硬质合金的制备方法特征为：将偏钨酸铵粉末与硝酸高钴粉末分别溶于水中，混合澄清后使用氮气喷枪，将其分散在液氮中预冻后置于冻干机中进行真空干燥得到粉末；在氢气气氛中对冻干的混合粉末进行还原得到纳米粉体，即钨钴纳米复合粉体。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷