最新的公共卫生研究和实验室实验表明，在生命的每个阶段，汽车废气都会对人的心智能力、智力和情感稳定能力造成一定程度的损害。
New public-health studies and laboratory experiments suggest that, at every stage of life, traffic fumes exact a measurable toll on mental capacity, intelligence and emotional stability.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
为寻求高效控制氮氧化物的方法，在实验室用模拟氮氧化物废气对其进行加压吸收。
To find a high efficient method to control the nitrogen oxides pollution, pressurized absorption was studied with simulation waste gas.
接着，比较系统地介绍了瑞典律勒欧大学柴油机废气净化实验室的研究任务、目的、基本设备和试验方法。
The aims, tasks, fundamental equipment and research methods of diesel exhaust cleaning in the diesel engine laboratory of the University of Lulea are illustrated.
空气污染由工厂，家庭和办公室排出的废气如二氧化碳到空气中产生的。
Air pollution occurs when gases such as carbon dioxide are emitted into the air by factories, homes and offices.
平炉的燃料燃烧室是用水冷却的，控制空气和废气的阀也是水冷的。
The fuel burner of an open hearth furnace is water cool, as is the valve that regulate the flow of air and waste gases.
材料通常为铸铁的排气歧管是将废气从燃烧室引入排气管的管道。
The exhaust manifold, usually constructed of cast iron, is a pipe that conducts the exhaust gases from the combustion Chambers to the exhaust pipe.
地下矿用柴油机的燃烧室型式与其主要性能有密切的关系。本文从废气排放、使用经济性以及噪音等方面对比了两类柴油机的优劣。
The selection of combustion-chamber types of diesel-engines for underground mines is closely related to the performance of the engines themselves.
地下矿用柴油机的燃烧室型式与其主要性能有密切的关系。本文从废气排放、使用经济性以及噪音等方面对比了两类柴油机的优劣。
The selection of combustion-chamber types of diesel-engines for underground mines is closely related to the performance of the engines themselves.
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