small coal的例句大全

coal-accumulating processes occurs in most of the long base level sequence cycle, and we summarize the law of coal accumulation based on the analysis of distribution characteristics of the small thickness and stably distributed coal that developed in each long sequence cycle.

聚煤作用在各长周期基准面旋回中均有发生，对各长周期基准面旋回内发育的厚度较大，分布较稳定的煤层进行展布特征分析基础上总结了宁东地区聚煤规律。

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The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.

相比之下，人类活动燃烧煤、石油等所释放的二氧化碳要少一些。

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Development of coal tar cleaning agent in small ammonia plant

小化肥厂水煤气煤焦油清洗剂的研制

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Research on Connection of Big Coal Face with Small One in Fully-mechanized Faces

综采工作面大小面对接方法的研究

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A cut-off plane valve applicable for the hydraulic shield in the coal mine is introduced, which has the feature of high pressure, large flux and small handling moment.

介绍了一种适应于煤矿井下液压支架使用的高压、大流量、操作力矩小的先导式平面截止阀，并详细介绍了其工作原理、结构和使用性能特点。

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Direct to the practical problem of the pipe rolling machine of Daxing Coal Mine can't roll small diameter and thin pipe research a kind of machine that can satisfy this demand and increase the working efficiency.

针对大兴矿卷管机不能满足卷制薄壁小管径的实际问题，提出研制一种卷管机满足小径薄壁管的卷制，提高了工作效率。

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Small and medium size rotary kiln wind coal control system design based on PLC technology

基于PLC技术的中小型回转窑风煤控制系统设计

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Measures and Effectiveness of Switch over to Natural Gas Firing by a Small sized Coal fired Boiler

小型燃煤锅炉改烧天然气的措施及效果

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So he led the minister's wife into the basement and showed her way out through a small door beside the coal storage place which led the way up onto the street.

他将公使夫人领到地下室，让她从煤堆旁的一扇小门走出去，可以直通街上。

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Utilizing district heating technology to replace the scattered heating network composed of small inefficient coal-fired boiler rooms.

采用集中供热技术，替代以低效燃煤小锅炉为热源的分散式小区热网。

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DL-10 and D-50 as backflow aids, for which the most important performance property is small amount and low rate of adsorption and high contact angle on the coal surfaces, and weak wettability of these surfaces, besides of high interfacial activity;

所选助排剂为DL10和D50，对助排剂的要求除界面活性高外，更重要的是在煤样表面吸附量小，吸附速率小，接触角大，不易润湿煤基质表面；

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By contrast, Soho's main customers are small and medium-size Chinese businesses, including coal-mine owners.

相比之下，SOHO中国的主要客户群体是中小型中资企业，比如矿业企业。

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Renewables account for only a small share of global primary energy consumption, which is still dominated by fossil fuels — 30% each for coal and oil, 25% for natural gas.

可再生能源在全球一次能源消耗中只占小部分份额，目前仍主要以化石燃料为依托，据统计，煤炭和石油的使用占30%，天然气占25%。

六级真题- 2017年 6月 1卷 信息匹配

The blade angle of outer secondary air is too large or too small will cause the relative concentration of particles near the axis region and is lack of coal powder concentration in the recirculation region.

过大或过小的叶片角度使得轴线附近区域颗粒相对集中，回流区内煤粉浓度不足，不利于稳燃和抑制NOx生成。

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Effect of Different Welding Seam Thickness of Stress Intensity of Small-Diameter Tube on Reheater in Coal-burning Thermo-Electric Factory

电厂再热器小径管焊口的厚度对其应力集中的影响

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Some waste plastics are added to mixed coal and coking with a small coke oven, then tar yield, coke yield, coke granularity, coke intensity of I rotational kettle and coke ash is analyzed.

在炼焦配合煤中添加一定的废塑料，利用自制的小焦炉炼焦，对所得的焦炭和焦油产率、焦炭粒度、焦炭I转鼓强度和焦炭灰分等进行了分析。

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the technical way to use low-volatile coal for small cement rotary kiln

小型水泥回转窑使用低挥发份煤的技术途径

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the apartment also had a small, cramped living room with a dresser, a table, four chairs, a wing chair, and a coal stove.

这间公寓也有个小小的、拥挤的客厅，放了一个梳妆台，一张桌子，四把椅子，一把翼状靠背扶手椅和一个煤炉。

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theoretical analysis on combustion of ultra-clean micronized coal-water slurry in a small high-speed internal combustion engine

精细水煤浆在小型高速内燃机上的燃烧理论分析

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design of small tube electro-static precipitator for cleaning flue gas from combustion of ultra-clean micronized coal slurry fuel

用于处理精细水煤浆燃后烟气的小型管式电除尘器的设计

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