数值模式是研究酸性污染及其长距离输送特性的一种重要方法。
Numerical simulation is one of the important methods to study air pollution and long range transport of acid species.
春季多数清洁站点PM_(10)浓度偏高与长距离输送有关;
Elevated PM10 concentrations in spring are closely related to long-range transport.
此次沙尘暴长距离输送过程中,主要有两个高浓度中心向东传输。
In the process of the long distance of this dust storm event, there are two high concentration centers transporting eastward.
二是大风。这是沙尘暴形成的动力基础,也是沙尘暴能够长距离输送的动力保证。
2 it is winds. This is the power of the formation, is fundamental to the power of the sandstorm long-distance transport of guarantee.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品,钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
潮流作用下,绝大部分黄河入海泥沙沉积在黄河三角洲附近,只有少量悬沙可以发生长距离输送。
Most of the sediment deposited around the Yellow River delta and only a little was transported far away.
随着天然气消费量逐年增长的趋势,充分考虑长距离输送的经济性和技术可行性,建设LNG长输管道非常必要。
Along with the increase of natural gas consumption and considering the economic efficiency and technical feasibility, it is greatly necessary to build LNG long-distance pipelines.
本文通过分析长距离输送系统中胶带输送机的张力特性、负载特性和机械特性,建立了其速度和加速度驱动模型并进行了优化。
Based on analysing the long-distance tape conveyor and its characteristics of tension, load and mechanic, this paper sets up its optimized speed-driven and acceleration-driven model.
为了改变传统的天然气过滤分离器难以适应天然气工业大规模长距离输送的不利生产现状,研制开发了一种新型可反洗再生天然气过滤分离器。
The traditional natural gas filter is hard to meet the need of long-distance transportation of natural gas on a large scale, therefore a back wash natural gas filter is developed.
要实现这一目标,就需要把数量巨大的电力从国家中部多风、人烟稀少的平原,长距离地输送到许多人生活的沿海地区。
Achieving that would require moving large amounts of power over long distances, from the windy, lightly populated plains in the middle of the country to the coasts where many people live.
可用于化肥、制药、制氧及长距离气体增压输送等装置。
It can be used for fertilizers, pharmaceuticals, oxygen and pressurized long-distance gas transportation, and other devices.
根据所建模型编制了相应软件,为加热原油的长距离优化输送提供了决策依据。
According to the model, a corresponding software has been programmed which provides a decision-making basic for optimizing transmission of long distance heated crude oil pipeline.
长距离跑可以改善您的心血管系统,更有效地为运动肌肉输送血液和排出废物。
Long runs improve your cardiovascular plumbing system so that you can better deliver blood to the exercising muscles and withdraw the waste more effectively.
然而,目前燃煤的火力发电厂产生的大量粉煤灰需采用长距离气力输送装置来清除。
At present, however, large amounts of fly ash produced by coal-fired power stations have to be disposed of by long distance, pneumatic conveying systems.
国内某长距离煤气输送管道于1993年投入运行以来,先后三次在管道弯头部位出现裂纹,导致煤气泄漏。
Crackings occurred three times in elbow bend since one domestic long distance gas transportation pipeline came to used in 1993.
此外评述了用特征线方法进行水平管的数值模拟,倾斜管的压力降计算和长距离的栓流气力输送。
Numerical simulation using the methods of characteristics in a horizonal pipeline, the pressure drop in inclined pipeline, and the long distance plug-flow pneumatic conveying are reviewed.
在长距离的加剂常温输送管道中,加剂原油必然经受长时间的管流剪切。
In long distance pipeline transportation with depressant at atmospheric temperature, depressant crude oil is subjected to long terms of pipeline flow shear inevitably.
针对长距离可伸缩大型带式输送机的工作特点,设计了一种自动张紧装置。
According to the working feature of the elastic belt conveyor, an automatic tensioning device is designed.
分析了带有液体粘性传动装置的长距离带式输送机,在软起动过程中起动时间的长短对振动载荷的影响。
There are a lot of factors which affect dynamic load of the belt conveyors, and the smooth starting time is a improtance factor.
该张紧装置结构简单、维护方便,并且能够实现长距离带式输送机的张紧要求。
The tensioning device structure is simple, easy maintenance, and to achieve long belt conveyor take-up requirements.
阐述了液力偶合器在长距离胶带输送机多滚筒驱动和多头驱动中的特殊作用。
It expounded special functions of hydraulic coupling used in the drive of multi-drums and malti-ple heads mounted on long distance belt conveyer.
阐述了瀑布沟水电站土坝施工用的砾石土条筛、振动筛及长距离皮带输送机等的技术特点和布置。
The technical characters and deployment of the belt screeners, shaking screeners and long-distance belt conveyors for earth dam construction of Pubugou Hydropower Station are described.
本发明是一种浓相粉状物料长距离疏通与输送交替作业的方法。
This is an alternating operation method for the long distance deoppilant and transportation of dense phase materials.
本文简要介绍了大运量长距离可伸缩带式输送机的关键技术。
The paper briefly introduces the key techniques of extensible belt conveyor with large-capacity and long conveying distance.
该系统适用于大运量、长距离、大功率、高速度的可伸缩带式输送机,稳定可靠,性价比高。
The system is applicable for telescopic belt conveyor with heavy load, long distance, large power and high speed, and has stability, reliability and high performance-price rate.
利用有压长距离管道运输具有输送平稳连续、安全可靠、不受污染、质量易保证、物料损耗小、占地面积少、运输费用低等特点。
Transport though long distance pressured pipeline has the characteristic of steadiness, continuity, safety, reliability, being unpolluted, little material, small needed area and low cost etc.
弯管是长距离油气输送管道的重要组成部分。
Bends are the important parts in the long distance pipeline of oil and gas.
本试验的结论将有助于控制与减少顺序输送中原油在管道中的沉积成膜量,并降低对后续成品油的色度污染。 可应用于长距离输油管道的顺序输送中。
This research can help to reduce the aggradation and control the color pollute in the order transportation of crude oil and diesel oil in the pipeline.
DX型钢绳芯带式输送机属于高强度带式输送机,适用于高速度、大运量和长距离的散状物料运输。
DX - type steel-cord belt conveyor is a high intensity belt conveyor, which is used for high-speed, large capacity and long-distance transport of bulk materials.
长距离浆体管道输送工程中,常常要涉及到倾斜管道浆体输送的摩阻损失问题,而对于这方面的研究到目前为止,并不是很多。
In long distance slurry pipeline transport project, it often need to calculate Friction Loss of Settling slurry in Inclined pipeline, but up to now, the research about this aspect is not much.
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