查询词典 density of distribution

The results show that catholic reduction of pyrolusite can be conducted, but the reduction rate is low. The effects of temperature to pyrolusite reduction on the cathode are remarkable. The exchange current density increases with the increase of temperature. The presence of irons is favorable to reduce pyrolusite.

结果表明软锰矿粒可以在阴极上还原，但所占比例较少，温度对软锰矿影响量大，软锰矿在石墨阴极还原的交换电流密度随温度的升高而增大，阴极极化的传递系数很小，添加铁离子有利于软锰矿的还原。

The Pyrolusite Power Preparation for Infusion group can promote the healing of the osteoporosis fracture effectively , its function mechanism is:1, Improve the density of bone of the osteoporosis big rats of fracture;2, Improve the content of bone scab calcium , phosphorus , collagen;3, Promote the bone scab to be ripe.

无名异冲剂能够有效促进骨质疏松性骨折的愈合，其作用机制为：1、提高骨质疏松性骨折大鼠骨密度。2、提高骨痂钙、磷、胶原含量。3、促进骨痂形成。

The reaction temperature, current density and the concentration of the pyrrole monomer strongly relate to the weight of the composite films.

实验结果表明，随着温度的降低、电流密度及吡咯浓度的增大，复合膜沉积量变大。

The weight of the composite films increases with the decrease of temperature and the increase of current density and pyrrole monomer concentration.

与纯PPy膜相比，PPy/MWCNT复合膜有更好的电子传递行为，而复合膜表面更加粗糙、疏松。

The number density of gold nanoparticles increased in sequence along with the increase of the molar ratio of HAuCl〓/C〓-pyrrolidine, while their size distributions were similar in each of the samples.

随氯金酸/C〓吡咯烷化学剂量比的增加，在富勒烯纳米聚集体上分布的金纳米粒子的数目增加，而金纳米粒子平均直径几乎保持不变。

The on-line density measurement technology with microwave has been narrated as a key part. We has deduced relations between permittivity、the load Q-factor and resonant frequency. And the electromagnetic field for closed cavity 、open cavity has been analyzed. we also discuss the design of cavity that is used in experiment、means for how to stir electromagnetic wave and choice of diameter/length ratio for cavity.

接着重点说明了微波在线密度测量原理，基于麦克斯韦方程组深入推导了微扰情况下介电常数与谐振频率，有载品质因数的关系；分别讨论了封闭谐振腔和开孔谐振腔中的电磁场以及微扰方法中所使用的谐振腔的设计及设计中激励方式、腔长/半径的选择等若干关键问题。

Using this model system, development of quadratic mean diameter, mean height, the number of surviving trees per hectare, stand basal area, and stand volume can be simulated for various levels of initial density and site.

采用该模型系统即可以模拟落叶松人工林不同林分条件下的林分平均胸径，平均树高，每公顷株数，林分断面积和林分蓄积量的生长过程。

This paper uses an improved charge density method and a more realisticcathode operating mode to simulate the electron optical properties of field emission guns. In the paper a special 6-point quadrature formula has been derived to accurately calculate potentials near theemiter surface and a spherical diode model has been adopted with the cathode operating at the partial space charge limitation.

场发射枪电子光学特性的数值模拟刘志雄，沈文忠，西门纪业（北京大学电子学系，北京100871）本文利用改进的电荷密度法和更接近于实际的阴极工作模型来模拟场发射枪的电子光学性质。

Through X-ray photoemission spectrum, the binding of 516.4 and 523.1 eV can he attributed to the V(superscript 4+ subscript 2p3/2) and V(superscript 4+ subscript 2p1/2),, which confirm the quadrivalent slate of V ion in Li0.8V0.8O2. With a current density of 7.4 mA/g, the charge capacity of Li0.86V0.8O2 is 163 mAh/g in the first cycle, and the first discharge capacity of the materials is 113 mAh/g. After 20th cycles, the discharge capacity is still 80 mAh/g, which show good electrochemicalstbility.

在电流密度为7.4mA/g的充放电中，Li0.86v0.8O2初始充电容量达到163mAh/g，首次放电容量也能达到113mAh/g，20次循环后放电容量仍然可以达到80mAh/g，表现出较好的循环性能。

Density functional theory of quantum chemistry was briefly introduced.

简要介绍了量子化学中的密度泛函理论。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。