查询词典 fraction of coverage

The influence of mass fraction of silver on adsorption capacity was also studied.

同时，研究了载银量对吸附能力的影响。

High purity aluminum or allumen (including 1% Zn, mass fraction) alclad on 2024 aerolite is usually employed for improving corrosion resistance. This alclad will greatly impact the mechanical properties of friction stir welded joint.

为提高2024航空铝合金材料的抗腐蚀性能，在其表面通常包有一层高纯铝或含Zn 1%的锌铝合金，包铝层在搅拌摩擦焊时会对接头的性能产生较大的影响。

This thesis is to simulate three-dimensional gas-liquid two-phase flow in a new efficient aeration mixing tank, and to evaluate the performance of this equipment and to study the effects of operating parameters on volume fraction of the air phase in the tank by using commercial CFD software.

本文针对一种新型曝气搅拌设备，采用计算流体力学的方法用FLUENT软件来模拟设备内的气－液两相三维流动场，评价该设备的性能，考察设备内的气相分布情况随着操作参数的变化规律。

In most of Africa, meanwhile, only a fraction of people have bank accounts—but there is huge demand for cheap and convenient ways to send money and buy prepaid services such as airtime.

与此同时，在非洲大部分地区，只有小部分人拥有银行帐户。但是对便宜简便的汇款方式和购买预付费的服务的需求非常强劲。

What fraction of alanine is in the completely uncharged form at its pI?

在等电点pH时，有多大比例的丙氨酸是完全不解离的？

We proposed a new method by improving it in a novel way, which can generate pixel of a line row by row according to the first and second row of a line and inherit the advantages of Bresenham algorithm without division and decimal fraction.

该算法在保持Bresenham算法不使用取整和小数运算的优点下，还提高了直线生成效率，一次计算可以生成一个像素行。

While calculating tensor Green's functions, the algorithm of secondary division is adopted to solve the singular problem. The Gaussian quadrature and continued fraction is adopted to calculate the integral with Bessel function. This method not only can ensure the right calculation of tensor Green's functions but also can get high precision.

求取张量格林函数积分时，采用二次剖分算法解决计算中奇异值问题，对于含有贝塞尔函数的积分项，利用结合连分式展开的高斯求积代替常规的快速汉克尔变换方法，确保了张量格林函数的正确计算并提高了计算精度。

The track structure of low electron, proton and alpha particle in water as a media has been calculated with Monte Carlo method. The spectrum of DNA damages has been simulated by the track structure model. Then the surviving fraction at different dose level is calculated by connecting track structure and phenomenological dynamic model.

在理论方面，对电子、质子和α粒子在水中的径迹结构进行了系统地研究与计算，还编制了我们自己的质子的蒙特卡罗模拟程序；用径迹结构模型计算出电离谱并与动力学模型相联系，计算出有实用价值的成活率。

By analyzing the molar fraction of St and MAh in the copolymers obtained from 〓C spectra, the copolymers obtained are proved to be strictly alternating structure, and sequence information obtained from DEPT experiments also verifies the copolymers with MSM sequence.

通过分析〓C NMR得到共聚物中St和MAh摩尔含量，证明共聚物具有严格交替结构，从DEPT实验中得到的结构信息表明共聚物只含有MSM序列。并且探讨了可控聚合反应的机理。

An unexpectedly large fraction of players acted altruistically to protect their weaker friends.

远远超出人们的预料，有很大一部分玩家在游戏中无私地保护那些弱者朋友。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。