Objective To study the epidemiological features in harmful dust workplaces and silicosis in gem processing workers (GWS) in Guangdong.
目的摸清广东省宝石加工工作场所粉尘危害和宝石加工工人矽肺(GW S)的发病特征。
Safe and harmless: fiber cement flat without any harmful radiation, theprocess of using no harmful dust, and therefore can be used in a variety of buildings.
安全，无害：纤维水泥平板没有任何有害辐射，使用过程也没有有害粉尘，因此可广泛用于各种建筑物中。
The suit also protects them from harmful radiation and fast-moving space dust.
宇航服还能保护他们免受有害辐射和快速移动的太空尘埃的伤害。
Iron in that dust may fuel the growth of harmful bacteria in the ocean.
沙尘中的铁屑会造成海洋中的有害微生物增生。
The outer layers of space suit protect against harmful radiation from the Sun and bullet-fast particles of space dust called micrometeoroids.
宇航服的外层能够防御太阳辐射和高速微流星体造成的伤害。微流星体是指太空中的微小尘粒。
L the outer layers of space suit protect against harmful radiation from the Sun and bullet-fast particles of space dust called micrometeoroids.
宇航服的外层能够防御太阳辐射和高速微流星体造成的伤害。微流星体是指太空中的微小尘粒。
There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.
企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
The content of coal dust is high below the coal mine, and it is great harmful to the health of worker body and security of production.
煤矿井下煤尘含量高，对工人的身体健康和安全生产构成的危害大。
They breathed a harmful mix of dust, smoke and chemicals in the ruins of the twin towers and a third building that fell.
他们吸收各种在双塔楼废墟中的有害粉尘、烟雾、化学物质，第三座大楼倒下。
High concentration of sulphur dioxide, nitrogen, oxides and dust have long been known to be harmful.
人们早已知道，二氧化硫、氮、氧化物和尘埃浓度高是有害的。
Miners and chemical workers are at risk of COPD from breathing dust and harmful chemicals.
矿工和化学工人由于吸入粉尘和有害化学物质处于慢阻肺病风险中。
White dust is not harmful, and may settle on surfaces and furniture near the humidifier.
白尘是无害的，而且可能解决的表面及附近的加湿器家具。
Air-conditioning can be quickly removed without dismantling stratification in the air-conditioning duct and evaporator inside the dust, mold and other harmful substances.
无须拆卸空调即可快速清除层积在空调风道及蒸发器内的尘土、霉菌等有害物质。
But even if it is a ventilation pipe is also divided into several, there is a simple dust, smoke, exhaust pipe, but also have a special rule out harmful gas pipeline.
但就算是通风管道也分成好几种，有简单除尘、排烟、吸油的排风管，但也有专门排除有害气体的管道。
Dust pollution of smeltery of rubber industry is still an unsolved and harmful problem.
橡胶行业密炼车间粉尘污染是长期未解决的重大难题，严重危害职工健康。
ConclusionCement plant dust has an obvious promotive effect to the growth of body normal flora, disturbing the balance of them, which is harmful to the human body.
结论所选水泥厂粉尘对人体正常菌株的生长有明显的促进作用，对人体正常菌群的平衡带来一定的影响，从而对人体产生危害。
Boiler is a special pressure equipment which may lead to explosion and also discharges a large amount of smoke, dust and harmful gases.
锅炉是有爆炸危险的特种承压设备，又是耗能与排放烟尘及有害气体的大户。
Article 42 Where substances that diffuse toxic or harmful gases or dust are transported, loaded or unloaded, or stored, sealing or other protective measures shall be taken.
第四十二条运输、装卸、贮存能够散发有毒有害气体或者粉尘物质的，必须采取密闭措施或者其他防护措施。
A large amount of dust and harmful gas are produced in the open - pit mining process, which can affect a large area and cause serious consequences.
露天矿开采过程产生大量粉尘和有毒有害气体，影响范围广，造成严重后果。
Once a firework is set off, it only takes a couple of seconds before smoke, dust and harmful chemicals are let out into the atmosphere.
一旦烟花被点燃，只需几秒钟，那些烟雾，粉尘和有害的化学成分就会释放进大气层。
Article 29. In the transportation, loading and unloading, and storage of substances that may diffuse toxic or harmful gases or dust, sealing or other protective measures must be taken.
第二十九条运输、装卸、贮存能够散发有毒有害气体或者粉尘的物质，必须采取密闭措施或者其他防护措施。
The three filter, filter PM2.5 dust and harmful substances.
三重过滤，有效过滤PM2.5 微尘有害物质。
Air filters. The basic function of an air filter is to prevent dust and other harmful particulate matter from entering the engine's cylinders.
空气过滤器，基本功能的一个过滤器，以便有效地阻止粉尘和其他有害的微粒进入引擎的汽缸。
A large amount of energy could be consumed when smelting silicon, with a lot of harmful gases and dust. It countered to the low-carbon economy which was being emphasized all over the world now.
冶炼硅需消耗大量能源，并排放很多有害气体和粉尘，与当前世界各国重视气候变暖的低碳经济相悖。
This product, with its structure of special protection factors can prevent harmful substances such as dust and other mixture from polluting and damaging the skin.
本品独特的防护因子结构可阻挡空气中悬浮的灰尘、杂质等有害物质对皮肤的污染和伤害。
Productive dust is an occupational harmful factor of coal-fired thermal power plant. In the whole course from raw coal approaching to boiler burning and discharging the dust has been produced.
生产性粉尘是燃煤火电厂一大职业性有害因素，从原煤进厂到锅炉燃烧、排放的整个过程均有粉尘产生。
Enclosed promote effectively prevent the dust and harmful gas pollution to the working environment.
封闭式提升有效的防止了粉尘和有害气体对工作环境的污染。
The electrostatic precipitation electrostatic agglomeration process is used for purifying the harmful gas and smoke dust from an aluminum cell of self baked anode.
应用电除尘与静电凝聚技术相结合，净化自焙阳极铝电解槽生产过程中所产生的有害气体和烟尘。
The settling of dust on vegetation may also be harmful, both to the plant and to animals that eat the plant.
沉降在蔬菜上的灰尘也可以伤害植物和吃这种植物的动物。
The settling of dust on vegetation may also be harmful, both to the plant and to animals that eat the plant.
沉降在蔬菜上的灰尘也可以伤害植物和吃这种植物的动物。
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