Do well indoor environmental test and to avoid harmful gas pollution;
搞好室内环境检测 严防有害气体污染
The research of harmful gas formation characteristic of coal-burning boiler operated by handwork;
燃煤手烧炉有害气体生成特征研究
Prediction and prevention of harmful gas in deep-lying long tunnel;
深埋长隧道有害气体的预测与防治
Study on harmful gases detecting and warning technique;
坑道有害气体检测报警技术的研究
The Efficacy that Infusion with Air Purifying Set Absorb Harmful Gases are Inquired;
空气净化输液器对空气中有害气体吸收功效的探讨
Combined with experiences in actual construction management,the smoke and dust removal method of mobile wind blocking screen and the relevant equipment are developed,which can thoroughly improve the environmental quality of work sites and remove dust and harmful gases.
结合现场施工管理经验,介绍了一种研发的“移动风幕阻断式隧道驱烟除尘法”和装置,该方法和装置用于改善隧道施工过程中各工作面的环境质量,消除粉尘和有害气体对施工人员的危害。
On noxious gas treatment in Xiasha east station of Hangzhou metro
浅谈杭州地铁下沙东站有害气体处理
Coal is one of China's primary energies,but coal mining has bought a series of problems such as environmental pollution,security, one of which is noxious gases,including CO,CO_2,CH_4,H_2S,NO_2,SO_2 and so on,they are commonly found in poorly ventilated old roadway,goaf and in the vicinity of the fire area and in the airflow of artillery smoke,methane and coal dust during the explosion.
煤是我国主要能源之一,煤炭开采会带来环境污染和安全等一系列的问题,其中之一就是有害气体,它包括CO、CO2、CH4、H2S、NO2、SO2等,通常存在于通风不良的旧巷、采空区和火区附近以及在炮烟、沼气和煤尘爆炸时的风流中,这些气体浓度达到特定值,就会对人体产生损害,有的还会爆炸危及工人和矿井安全;通过分析煤矿井下常见的有毒有害气体基本性质及危害,提出了相应的预防措施。
This paper analyzes and evaluates the cabin noxious gas when the tank artillery fires.
分析及评价坦克火炮射击时舱室内有害气体的变化。
his experiment was conducted to evaluate the effect of EM on eliminating toxic gases (ammonia and hydrogen sulfide),odor,bacteria from stable and odor of chicken waste.
研究了有效微生物活菌（ＥＭ）菌剂对净化畜舍内有害气体（氨和硫化氢）、舍内除臭、鸡粪除臭以及舍内抑菌的效果。
Though one stage or multistage absorbingdevices are employed during the experiment,part of the poisonous gasstill diffuses.
利用抽吸引流吸收的原理，设计了反应吸收装置，使产生的有害气体，定向流在吸收瓶而被相应的吸收液所吸收，效果很好。
measurement-control-warning system for harmful gas
有害气体测控报警系统
The air was infected with noisome gases
空气遭到有害气体的污染。
Try to get something go prevent the poisonous gas from passing up into the atmosphere.
拿点什么来防止有害气体进入空气。
The factories are releasing polluted gases into the atmosphere.
这些工厂向大气层散发有害气体。
The air is infected with noisome gases.
空气受到了有害气体的污染。
We should find some ways to prevent the harmful gas from spreading.
我们应找到法子阻止有害气体的蔓延。
An unbalanced mixture could create a poisonous gas.
不平衡的混合物会产生有害气体的.
Workers in chemical factories breathe in dangerous gases every day
化工厂的工人每天都吸入有害气体。
On noxious gas treatment in Xiasha east station of Hangzhou metro
浅谈杭州地铁下沙东站有害气体处理
Quantitative identification of pernicious gases NH_3 and H_2S in piggery using electronic nose
猪舍有害气体NH_3、H_2S的电子鼻定量识别
A Type of Seal for Blower with Delivering Harmful Gas
输送有害气体鼓风机的一种密封型式
The Experimental Study on the Indoor Air Pollution Treatment Technique of Genetic Toxicant Gases;
室内空气中常见有害气体治理技术的实验研究
At ground level ozone is a dangerous pollutant, but at altitude it blocks the passage of harmful ultraviolet light.
臭氧在地表是一种有害气体，但在高空它阻挡有害的紫外光。
Wind-tunnel tests study for qualitative analysis of diffusion of toxic or pernicious gases in the atmosphere of an industrial complex;
工业区有毒有害气体扩散风洞试验研究
PROBE INTO CONCENTRATION PREDICTION OF RELEASE TOXIC GAS IN EIA
环评中有毒有害气体泄漏浓度预测初探
The Investigation of Purifying Main Poisonous Components in Exhaust Gas Using High Voltage Pulse Corona Discharge;
高压脉冲电晕等离子体净化发动机尾气主要有害气体的研究
Research of Vehicle Noxious Gas Detection Basing on Metal Oxide Semiconductor Sensor
基于金属氧化物气体传感器的车内有害气体检测研究
In large cities people breathe in dangerous gases from cars and chimneys.
在城市，人们吸进汽车、烟囱排放出来的有害气体。