微米

In the column tests,when the composite nano-scale Fe3O4 suspension was introduced in the downflow mode through the soil column,72% of Fe3O4 penetrated through the soil bed under gravity.

在土柱实验中，将2种Fe3O4悬浊液注入到10cm高的土壤柱中，72%的复合纳米Fe3O4穿过土壤柱溢出，而微米Fe3O4完全滞留在土壤柱中没有溢出。

The derived activation energies for both grain-boundary and surface diffusion are obtained from the Cu drift velocity under EM stressing.

对於线宽大於1微米时，主要的晶粒边界扩散的活化能大约比起表面和晶粒边界扩散的活化能高0.2 eV。

In the standard test, it was found that the dustiness of nanopowder was much higher than submicro-powder. The average inhalable, thoracic and respirable dustiness mass fraction in mg/kg and the dustiness level of TiO2 nanopowder were 6713±546, 576±37 and 15±2, respectively, and were 142±20, 73±6 and 11±0.3 for ZnO submicro-powder.

在传统标准方法的测试结果发现奈米粉体的逸散性比次微米粉体高出很多，TiO2奈米粉体逸散时的可吸入性粉尘、胸腔区粉尘和可呼吸性粉尘质量分率分别为6713±546、576±37和15±2 mg/kg，扬尘等级分别为高等、中等以及低等。

The mathematic model of the micron electrohydraulic displacement feedback control system was established in the paper.

本文对微米级电液位置反馈控制系统进行了数学建模。

In nano/micro fluidic systems, the surface to volume ratio becomes too large to neglect the electrokinetics on the surface.

在奈米/微米流体系统中，表面对体积比远较一般系统大，因此必须考虑表面的电学效应。

The transport and current-voltage properties of submicron GaAs MESFET device are calculated firstly based on the nonparabolic effective mass energy band model and Monte Carlo method which includes all major scattering mechanisms. The electron drift velocity, electric field and the non-homogeneity of mobility distribution in device are obtained. The influences of different gate lengths to electron drift velocity and drain current are analyzed.

根据对以GaAs、GaP和InP为主的Ⅲ-V族化合物半导体材料的能带结构和散射机制的分析，采用蒙特卡罗模拟方法，研究了亚微米尺寸的OaAs MESFET器件的电子密度分布、电场强度、漂移速度和迁移率分布等输运性质，以及栅长对器件性质的影响和电流电压特性。

The inner surface of endodermis in maize and wheat were undulate and there were"pore-like"structure in it, size 70-90nm, frequency 2, 000 per square micron.

玉米内皮层细胞内切向壁的内表面起伏不平，并具有70-90纳米的"孔状"质外体结构，其频率约为2，000个/平方微米。

In silicon deep reactive ion etching using inductively coupled plasma etcher,a narrow trench with a width of several micrometers usually shows positively tapered profile, which means that the width of the etched trench decreases with the progress of etching depth.

利用自感应耦合等离子蚀刻机进行硅深层反应离子刻蚀，得到了几微米宽的狭槽，其轮廓通常为正锥形，即蚀刻槽的宽度随着蚀刻深度的增大而减小。

Manufactured the world smallest drilled eyeless needle(27 micron) for trail.

制造世界上最小的钻无眼针（27微米）的道路。

The characteristics of the fabricated devices were studied and analysed in detail.

对制作得到的亚微米PESDMOSFET器件的特性进行了测试和研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。