查询词典 nanometer

Nanometer pearl powder creates the fourth times of pearl cosmetic----nanometer times. We select carefully limnetic pearl with high quality, adopt advanced super-sonic airstream physical manufacturing technic. Through super-sophisticated machine, we produce nanometer pearl powder with average diameterof 40-100 nanometer ( 1 millimeter = 1000000000 nanometer), equivalent to one hundredth of human body's pore, that is to say, by nanometer technic, we can powder one bead of pearl with 8 millimeter diameter into 64 trillion pieces, which means, everyone on the earth can have more than 10 thousand pieces.

纳米珍珠粉开创珍珠美容第四时代—纳米时代，我们精选优质淡水珍珠，采用先进的超音速气流物理粉碎技术，通过超精密设备生产出的平均粒径在40-100纳米（ 1 毫米＝ 1000000000纳米）左右的纳米级珍珠粉，细度只有人体毛孔的1/100，也就是是说将一颗直径8毫米的珍珠通过纳米技术粉碎等分，可粉碎为64万亿粒，相当于每个地球人都可以拿到1万多粒。

The first one is the nanometer micrograined structural attribute, in this paper, we show some propaedeutic attitudes to nanometer micrograined structural attribute, expound our view of astride hierarchy is main structural characteristics of nanometer substance.

首先是纳米微粒的结构属性，阐述了跨层次是纳米物质结构的主要结构特征的观点。

A nanometer compound material is a new type of material developed in recent years, and the polymer/inorganic nanometer compound material formed by dispersing the inorganic nanometer structural unit into the polymeter is a type of compound material.

纳米复合材料是近年来发展起来的新型材料，聚合物／无机纳米复合材料是将无机纳米结构单元分散于聚合物基体中所形成的复合材料。

A highly active hydrogen added catalytic nanometer Ru/C is made by reducing metal ruthenate, getting nanometer ruthenate metal glue under the protection of surface activator, filtering, washing glue solution drawing by the carrier to get highly scattered loading nanometer ruthenate metal catalyst.

本发明涉及一种高活性加氢催化剂纳米Ru/C的制备方法，该方法首先通过化学还原金属钌盐，制得表面活性剂保护下的纳米钌金属胶体，然后用载体吸附制得的胶体溶液，经过滤，洗涤，获得高度分散的负载型纳米钌金属催化剂。

This invention adds umpty conductive particles such as metal particles, carbon nanometer materials and etc into the semiconductor nanometer crystal film of the dye sensitization solar battery electrode, and solves the problem of low conducting ratio of the present semiconductor nanometer crystal film of the dye sensitization solar battery.

本发明在染料敏化太阳能电池电极的半导体纳米晶膜中加入若干导电微粒，如金属粒子、碳纳米材料等，解决现有的染料敏化太阳能电池的半导体纳米晶膜的导电率低的问题。

The structure and the phase of Al203/Zr02 plasma spraying powder and ceramics coating with doping nanometer and prefabricating were investigated by modern material analysis means such as SEM and XRD etc. The results showed that the powder structure using plasma spraying doping nanometer was micrometer cladding nanometer in its surface and little nanometer regiment structure.

利用XRD、SEM等观察分析了纳米掺杂A12O3/ZrO2粉末及等离子喷涂涂层组织形貌及结构，结果表明，Al2O3-ZrO2等离子喷涂粉末是由纳米包覆微米级粒子及少量的纳米团聚体球团粒子构成。

And a relative preparation is characterized in that according to mol ratio (0.8-0.975):(1.8-1.95):(0.010-0.15):(0.010-0.15) to prepare and mix Mg powder, B powder, C nanometer powder, and SiC nanometer powder uniformly to be filled into an iron tube or iron-copper composite tube to be sealed, rotationally forges, draws and rolls to obtain MgB2 superconductive material containing C and SiC nanometer powder, or tablets the raw powder mixed uniformly via a tablet press, to obtain MgB2 superconductive block containing C and SiC nanometer powder, arranges obtained band or block in a vacuum furnace, vacuums and fills argon gas, keeps temperature for 0.2-3h at 600-1200DEG C, and obtains MgB2 superconductive material containing C nanometer powder and SiC nanometer powder.

制备这种MgB 2 超导材料的方法，其特征在于，将Mg粉，B粉，C纳米粉，SiC纳米粉按照摩尔比(0.8-0.975)∶(1.8-1.95)∶(0.010-0.15)∶(0.010-0.15)配制并混合均匀，装入铁管或铁铜复合管中密封后，按顺序先后进行旋锻、拉拔、轧制，得到含C和SiC纳米粉的MgB 2 超导线材；或者将混合均匀的原料粉用压片机进行压片，得到含C和SiC纳米粉的MgB 2 超导块材；将得到的线带材或块材放置真空炉中，抽真空后充入氩气，在600℃-1200℃保温0.2-3小时，最终得到含有C纳米粉和SiC纳米粉的MgB 2 超导材料。

The method is as follows that the two ends of a nanometer are fixed on two pivots and an axial micro-pulling force T is applied on the nanometer; an electrode is arranged on the middle part of the side of the nanometer and an alternate voltage is applied on the electrode to motivate the nanometer to generate resonance, and therefore, the natural frequency f of the nanometer is measured and acquired; according to the material characteristics and the geometry characteristics of the nanometer as well as the boundary condition of the nanometer material, the relation between the natural frequency and the axial pulling force of the nanometer, namely the f-t curves of the nanometer, can be calculated by a vibration equation; according to the measured natural frequency f, the size of the micro-pulling force T can be acquired.

该方法将一根纳米材料的两端固定在两个支点上，给纳米材料施加一个轴向的微小拉力T；在纳米材料的侧面，位于该纳米材料的中部放置一个电极，在电极上施加一个交变的电压激励纳米材料使其发生共振，测得纳米材料的固有频率f；根据纳米材料的材料特性和几何特征以及纳米材料的边界条件，由振动方程计算出该纳米材料的固有频率与所受的轴向拉力的关系，即纳米材料的f-T曲线；根据上述测得的固有频率f，得到微小拉力T的大小。

It is: controls to compose nanometer metal silver grain with different size and different shape by processing; uses chemical combination technology to fixing the nanometer metal grain on the different underlay surface, in order to get the nanometer anti-bacterium coating, which can achieve the control of equipment and the micro-biomembrane of packaging inner surface.

通过过程控制合成了不同粒度不同形貌的纳米金属银颗粒。并采用化学结合技术将纳米金属颗粒固着在不同的衬底表面，获得固着性、长效作用的纳米抗菌涂层，实现了食品生产设备和包装内表面微生物膜的控制。

By comparing the electrodeposition rate and the particlesize of nanometer Ag film prepared by methyl sulfonic acid silver system with those of nanometer Ag film prepared by nitrate silver system under the same conditions, it is found that the particlesize of nanometer Ag film electrodeposited with nitrate silver is smaller and the growth rate of the nitrate silver nanometer film is faster. During the experiment, the silver grain was smaller and the distribution was more uniform in the nitrate silver electrolyte than in the methylsulfic silver electrolyte.

通过对甲磺酸银体系和硝酸银体系中纳米银膜的电沉积速率及纳米银膜颗粒进行比较发现，相同条件下硝酸银体系得到的纳米膜晶粒粒径比较小，膜的生长速率较快。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。