查询词典 be a mass of

Aerosol time-of-flight mass spectrometer was used to on-line measure size and mass spectrum of two types of mosquito repellent.

在自行研制的气溶胶飞行时间质谱仪上，对两种蚊香烟气气溶胶单粒子的粒径和质谱进行了实时在线测量。

To meet the requirement of science and technology development, the miniaturization of mass spectrometer has become one of the important trends in analytical instrument development. Miniaturized ion trap mass spectrometer has gained great achievements.

为适应科技发展的需要，质谱议的小型化已成为目前分析仪器发展的一个重要趋势，其中离子阱质谱仪的小型化取得了举世瞩目的成果。

A new architecture of digital control system was designed,which could be used in both quadrupole mass filter and quadrupole ion trap mass spectrometer.

设计了一个能在四极杆和四极离子阱质谱仪中通用的数字控制系统结构。

The survey of the development, scale, funds, contents and management of 408 mass sports activity sites in 13 cities in Liaoning Province shows that mass sports activities are well developed with increasing participants, popularity, scales as well as a variety of organizing modes and contents.

通过对辽宁省13市408个群众体育活动点的调查，对其发展，规模，经费，内容，管理等各方面进行分析。调查结果表明辽宁省群众体育活动的发展状况良好，参与人数，普及规模有了较大的发展；组织方式，活动内容更加丰富多彩，显现出多元化发展的趋势。

The distribution of mass sports activity is at the street area and the business,institution unit,park,square,the members of each kind mass sports activity sites have characteristic at gender,age and occupation .

厦门市各区群众体育健身活动点主要活动内容体现出共性基础上的差异性特征，群众体育活动点多分布在街区公用场所和企事业单位、公园、广场，各类群众体育健身活动点成员有其明显的性别、年龄、职业特征

Analyzed the operation condition of high level sport team,the article thinks it still has many problems: 1the universities high level sport team becomes athletics sports receiving station;2 the universities' high level sport teams loses their self function about making the blood;3 impacts mass sports activity;4 comes apart with the university student mass sports.

分析了成立近20年的高校高水平运动队的运作状况，认为其运作上尚存在着以下诸多问题：1高校高水平运动队成为竞技体育收容站；2高校高水平运动队丧失自我造血机能；3对群体活动的冲击；4与高校大学生群众性体育脱节。

Finally, the physical nature of the Einstein\\\s mass-energy equation is discussed. It is emphasized that the elativistic increase of the mass of a moving body is physically untrue.

我们探讨了爱因斯坦质能方程所蕴含的本质物理内涵，强调运动不可能导致运动物体质量的增加。

In addition, there is a new cognition on inertial mass, Newton's second law, kinetic energy, mass-energy equation and momentum in the paper.

我们对惯性质量、牛顿第二定律、动能方程、质能方程、动量等重新进行了深刻地认识。

According to special relativity mass-energy relation E = mc2 (where E particles with the energy, m the particle mass, c is the speed of light) we can see the energy E and quality of material m can not be divided.

根据狭义相对论的质能关系E＝mc2（此处E粒子所具有的能量，m为粒子的质量、c为光速）可知物质的能量E与质量m是不可分的。

Mass ; defination ; mass-energy relation/Lorentz invariant ; four-dimentional momentum

质量；定义；质能关系／洛伦兹不变量；四维动量

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"