Two kinds of soft particles gypsum and mica particles which take relatively major proportion in composition of dust often can be found in failure contact areas.
云母和石膏是两种在细尘粒中比例较大的软质颗粒物，出现在失效触点区域造成电接触故障。
The purpose of researches on urban dust is focused on the source of dust material, composition of dust, distribution, migration and evolution, pollution effects and prevention and cure.
研究城市灰尘的目的是研究其物质来源、物质成分、分布规律、迁移演化、污染效应、防治治理等。
It is hypothesized that the primordial cloud of dust and gas from which all the planets are thought to have condensed had a composition somewhat similar to that of Jupiter.
据推测，所有行星都是由尘埃和气体组成的原始云团凝聚而成，其组成与木星的组成有些相似。
The 'gold' pits isn't likely to be ferried back to Earth, though - scientists remain unsure of the chemical composition of the yelllow, shimmering dust that lines the pit walls every 'summer'.
可是那些在凹点的金线不太可能被带回地球，所以科学家还不能确定这在每个“夏天”都在凹点排成线而且发光的黄色灰尘的化学成分。
Observatories watched the event from Earth and scientists hoped the cloud of dust and debris would provide clues to the geological composition of the site.
很多观测站在地表观测了撞击全过程，科学家希望撞击所激起的尘云和碎石能为研究“卓越湖”区域的地质构成提供依据。
The conditions and elements present in the stellar atmosphere will dictate the chemical composition of the dust.
尘埃的化学成分受恒星大气呈现的状态与成分支配。
A new study published Monday found that exposing mice to dust from households where dogs were allowed outdoors significantly changed the composition of gut microbes in the mice.
周一公布的新研究发现，将老鼠暴露于准许狗外出的家庭产生的灰尘中，极大地改变了老鼠肠道菌群的成分。
Objective To monitor coal mine dust concentration and composition, study the incidence of coal worker's pneumoconiosis, and provide a scientific basis for pneumoconiosis control.
目的监测煤矿井下粉尘浓度及组成成分，研究其与煤工尘肺的发病关系，为尘肺病防制提供科学依据。
The composition, operational principle, advantage, function of in-situ treatment installation of odor and dust, and its application in environmental sanitation industry were introduced.
介绍了臭气粉尘原位治理装置的组成、工作原理、优点、用途，以及该装置在环卫行业中的应用。
The mineral composition and morphology of atmospheric dust fall serve as important criteria in identifying pollution sources.
大气降尘矿物成分和形貌特征是判别污染物来源的重要标志。
The transport and deposition of urban dust are highly relevant to the composition of its grain diameters.
城市灰尘的搬运沉积方式与其粒径组成密切相关。
The paper introduces the hard ware composition and soft ware design of computer control system of spark frequency of high pressure static dust extractor.
本文介绍了高压静电收尘器火花频度计算机控制系统的硬件组成和软件设计。
Study on road dust with grain diameter distribution and mineral composition of various grains in Xi'an demonstrated that road dust mainly existed in grains with a diameter of 30~50 mesh(0.
对西安市路面积尘粒径分布和不同粒径中矿物质量组成的研究表明，路面积尘质量主要集中在30～50目（0。
The combustible composition implies the volatile and fixed carbon, which is the source of generating heat. The incombustible part contains water and dust, etc.
可燃成分是指煤中的挥发分和固定碳，它们是产生热量的来源，而其中不可燃成分为灰分和水分等。
These ice sheet pits may appear to be lined with gold, but the precise composition of the dust that highlights the pit walls actually remains unknown.
这些冰层上的坑看上去被金边围绕。不过这些坑洞周围一圈显眼的尘土的精确成分仍然未被人们所知晓。
When the said system was under operation, the dust flow, flue gas flow and the composition of flue gas were affected by the injection of limestone into the furnace.
脱硫系统运行时，炉膛喷钙对锅炉的排灰量、烟气量、烟气成分均有影响；
The main factors: the dust resistance, the concentration of dust, particles of dust, gas composition, temperature, humidity, air leakage, such as the collecting.
其影响因素主要有：粉尘的比电阻，含尘浓度，粉尘颗粒组成，气体成分，温度，湿度，收尘的漏风等。
The problems existed in particle size distribution, chemical composition and producing of domestic synthetic test dust are also proposed.
详细列出了国内人工尘在粒径分布、化学成分及研究制备方面尚存在的问题。
The cleaning agent, corrosion inhibitor and cleaning technology were designed according to the composition of polymer-catalyst dust scale and the condition of equipment.
根据垢样分析结果和设备状况，设计了清洗剂、蚀剂和相应清洗工艺。
The cleaning agent, corrosion inhibitor and cleaning technology were designed according to the composition of polymer-catalyst dust scale and the condition of equipment.
根据垢样分析结果和设备状况，设计了清洗剂、蚀剂和相应清洗工艺。
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