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- Concentration of air microbes 空气微生物浓度
- The operating rooms require stringent conditions in distribution of air flow velocity and temperature and concentration of contaminants. 医院手术室对室内的速度场、温度场及有害气体和细菌的分布有严格的要求。
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
- Personal exposure concentration of air dust and air boron and boron exposure to workers in boron mining and processing plant and control group were reported. 报告了硼作业工人与对照人群的个人空气粉尘暴露浓度、空气硼暴露浓度以及通过空气的日硼暴露量。
- The concentration of VOC and the velocity of air was controlled strictly and the transient axial temperature profile was automatically monitored and collected in time. 通过模拟实验,得到了各种热波波形曲线并对影响热波特性的主要因素进行了分析。
- The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
- This new style of air conditioner is noiseless. 这种新型空调没有噪音。
- There is a concentration of people in big cities. 大城市人口集中。
- I'll just trot out for a breath of air. 我要到外面去走走换换空气。
- I want to buy a set of air conditioning. 我想买一台空调。
- The doctor urged a change of air. 医生力劝换个环境。
- The influence of the temperature of durene solution, the height from airway nozzle to liquid level, the temperature and feed rate of air on the vapor phase concentration of durene were studied with the self-made adjustor. 摘要利用自制的高熔点物料气相浓度调控仪，研究了均四甲苯溶液的温度、导气管管口距离均四甲苯液面的高度、空气进气温度和进料量等对均四甲苯气相浓度的影响。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- Important changes include the global spread of air pollution, increases in the concentration of tropospheric oxidants, stratospheric ozone depletion, and global waning and climate changes. 重大的变化包括全球空气污染覆盖;对流层氧化物浓度的增加;平流层臭氧减少;全球变暖和气候变化.
- The formula for appearance distance of maximal concentration on the ground between two small distance chimneys was deducted from the formula of ground concentration of air pollutants. 通过大气污染物地面浓度计算公式,导出两根小间距烟囱大气污染物最大落地浓度出现距离的计算式,并给出二分法求解最大落地浓度及其出现距离的方法。
- The lack of air in the room made everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- We can hear the hiss of air escaping from a tire. 我们能听到一只轮胎的嘶嘶漏气声。
- Sound travels through the medium of air. 声音通过空气这一媒介传播。
- What is the concentration of salt in sea water? 海水中盐的含量是多少?
- A light current of air; a gentle wind. 微风，轻风轻微的空气流; 微风
