The paper introduces the tall and big chimney s blasting and dismantling engineering, approaches the basic theory of blasting and the functional mechanism of toppling process and collapsing vibration after firing, and so on.
系统介绍了高大烟囱爆破拆除工程 ,论述了爆破的基本理论、起爆后烟囱倒塌过程中的作用机理和塌落震动等基本内
The basic principles to determine the chimney height of a power plant are meeting the demand of atmospheric diffusion and saving investment,ensuring the maximum ground concentration lower than the controlling goal of the enviromnent.
确定燃煤热电厂烟囱高度遵循的基本原则是既要满足大气污染的扩散稀释要求,又要考虑节省投资,保证地面最大落地浓度不超过环境控制目标。
By research for rational technique on the height of electricity factory chimney,the article pointed out the main effect factor of contamination falling thickness,and tested the rationality of different chimney height from weather and air influence aspect.
通过研究有关电厂烟囱高度合理性方法,指出影响污染物落地浓度的主要影响因素,并从气象和环境空气影响角度对不同高度烟囱合理性进行检验。
Has summarized a set of plan of chimney height rational proof,through rearching national standard,stipulation and method of rational-ity of the chimney height and analysing major effect factor of influencing the density pollutant falled to the ground and combinimg some examples of the chimney height rationality design.
通过研究有关烟囱高度合理性的国家标准、规定和方法,指出影响污染物落地浓度的主要影响因子,结合一些烟囱高度合理性设计的实例,总结出了一套论证烟囱高度合理性的方案,并从气象和环境空气影响角度对不同高度烟囱合理性进行了检验。
This essay discusses the necessity,urgency,and feasibility of introducing super-high chimney to the plain area of Beijing based on the pollution status of near-ground atmosphere in that area as well as the regular pattern of the formulation and disappearance of near-ground inversion and the situation of smoke diffusion.
针对北京平原区低空近地层大气污染状况,结合低空逆温层生消规律和烟气排放情况,探讨推广使用超高烟囱的必要性、紧迫性和可行性。
a tall chimney flagpole, mast ]
高大的烟囱旗杆, 桅杆]
a tall tree, chimney,spire, mast
高大的树、 烟囱、 塔尖、 船桅.
Tall chimneys vomit forth black smoke.
高高的烟囱喷吐出黑烟。
Volumes of black smoke belched out from the chimneys.
大量的黑烟从烟囱冒出。
A factory building with smoke stacks. You can change the height of the stacks.
带烟囱的工厂建筑物。可更改烟囱的高度。
A windscreen for a chimney.
烟囱罩烟囱的挡风屏
a large tall chimney through which combustion gases and smoke can be evacuated.
一个又大又高的烟囱，通过它燃烧的气体和烟雾才可以排出去。
A factory with smoke stacks. You can change the height of the smoke.
带烟囱的工厂。可更改烟的高度。
Factory chimneys are vomiting smoke.
工厂烟囱大量喷烟。
Chimneys discharge smoke into the atmosphere
烟囱将烟尘排入大气层。
point a wall, chimney, etc
勾墙、 烟囱等的缝.
sweep the chimney(free of soot)
打扫烟囱（的煤炱）
Far away were indications of suburban towns, some big smoke-stacks towering high in the air.
远远的地方，有城郊市镇的影子，有许多高耸入云的大烟囱。
The shop was an old- fashioned one with many large, disused fireplaces and tall, narrow chimneys.
这是个老式商店，有许多废置的大壁炉以及又高又窄的烟囱。
Far away were indications of suburban towns, some big smokestacks towering high in the air.
隔了老远就可以看到芝加哥城郊那些高耸入云的大烟囱。
Mechanics Analysis on Safety of Demolition of Tall Chimneys by Controlled Blasting;
高耸烟囱爆破拆除安全性的力学分析
Pollutant-diffusion function produced by chimney and its height of temperature inversion;
烟囱和逆温高度对污染物扩散的作用
Demolition of an 80m reinforced concrete chimney by direction blasting
80m高的钢筋混凝土烟囱定向爆破拆除