In this paper we discussed the basic feature and the establishment condition of Maxwell Speed Distribution Law from the significance of Distribution Function and Speed Distribution curve,and therefroe we obtained three statistical speeds of gas molecule under the condition of Equilibrium State,which are Most Probable Speed,Average Speed and Root-mean-square speed,and their physical meanings.
本文从分布函数的意义及速率分布曲线讨论了麦克斯韦速率分布律的基本特征和成立条件,并由此得到平衡态下气体分子的最概然速率、平均速率、方均根速率等三种统计速率及其物理意义。
<Abstrcat>From molecular beam s speed distribution function,molecular beam s frequency distribution function is deduced,and calculates mean frequency,root-mean-square frequency and most possible frequency are calculated,and compared with corresponding characteristic quantities of speed distribution function one by one,and their physical significance are explaned.
从分子束的速率分布函数出发,推导了分子束的频率分布函数,求出平均频率、方均根频率和最概然频率,并与分子束的速率分布函数相应的特征物理量逐一比较,说明它们的物理意义,得出了用分子束的频率分布函数解决分子束问题更为简便的结论。
The Important Role the Most Probable Velocity Plays in the Discussion of Velocity Distribution;
气体分子最可几速率在讨论速率分布问题时的重要作用
Direct measurements of the distribution of molecular speeds have been made by a number of methods.
分子速率的分布可以用几种方法来直接测定。
The rate of increase of DNA complexity gradually rose to about one bit a year over the last few million years.
最近的几百万年间,这个速率逐渐增加到大约每年一则信息。
modal speed
最常见的[出现频率最高的]速率
maximum momentary speed variation
最大瞬时转速变化率
Tachycardia: Heart rate over 100 (as high as 240) Beats per minute.
心搏过速: 心搏过速指心搏速率每分钟超过100次(最高可达240次)的情况。
"Best sample rate converter: provides best quality sample rate conversion but slowest performance.
"最佳示例速率转换程序: 提供质量最高的示例速率转换,但运行最慢。
It was just a half-chance really from the edge of the box but in a flash he'd buried it in the bottom corner of the net with a right-foot shot.
只有一半的几率能把它踢进球网,但是他在球门前迅速的找到了那个最佳射门点。”
It is very / most improbable that the level of unemployment will fall.
失业率几无可能下降.
But the speed limit is 70
可是最高限速是70
Best sample rate converter: provides best quality sample rate conversion.
最佳采样速率转换程序: 提供质量最高的采样速率转换。
lowest percentage extractability
最小可提取性百分率
Study on Fast Geometric Correction for High Resolution Satellite Image
高分辨率卫星影像快速几何纠正研究
Dissolution rate determines the availability of the drug for absorption.
溶解速率溶解速率决定药物吸收时的可用度。
"A wide range of data transfer rates are available, with speeds up to about 128 kilobits per second (kBps)."
提供较宽的数据传输速率,速率可达每秒128千位。
In cumulus convection ascent rates of several metres a second give a cooling rate of a few degrees per minute.
在积云中,每秒几米的对流上升速度造成的冷却速率为每分钟几度。
The ratio of the output speed to the input speed may be either constant (as in a gearbox) or variable.
输出速率与输入速率之比可以是常数(如齿轮箱),也可以是可变的。
Deposition rate is increase quickly with sputtering power.
结果表明溅射功率对沉积速率的影响最大,随溅射功率的增大沉积速率快速增大。