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combined chamber
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  硐室
     The technology of once-through shaping combined chamber with presplit blasting is adopted in the excavation of double-wall stone cutting in K62+880~K63+030 section of Taichang Expressway.
     在太长高速公路K62+880~K63+030段双壁石方路堑开挖中,采用了硐室加预裂一次爆破成型技术。
短句来源
     THE BLASTING TECHNOLOGY COMBINED CHAMBER BLASTING WITH PRESPLIT BLASTING FOR ONCE-THROUGH SHAPING OF SLOPES
     硐室加预裂一次爆破成型技术
短句来源
     Application of Once-through Shaping Combined Chamber with Presplit Blasting in Excavation of Double-wall Cutting
     硐室加预裂一次爆破成型技术在双壁路堑开挖中的应用
短句来源
  “combined chamber”译为未确定词的双语例句
     Combined enuirvonment stress & reliability test is one of the most important tests to testify MFBF and expose shortcomings of components product design and production technology combined chamber is the equipment used to perform this test Main functions and specifications of H3880-V890B are discussed in this paper.
     本文详述 H3880-V890B试验系统的布局、功能、参数及主要技术,旨在向试验同行介绍目前试验设备的最新技术动态。 同时希望资源共享,为暂不具备大型综合环境应力设备的单位提供协作,共同为提高我国的装备技术水平作出贡献。
短句来源
  相似匹配句对
     The Chamber
     《法官议事室》简介
短句来源
     LENTECTOMY COMBINED WITH POSTERIOR CHAMBER LENS IMPLANTATION
     晶状体切割联合后房型人工晶体植入术
短句来源
     Selection and application of combined integrated environmental test chamber
     联体式综合环境试验箱的选型和应用
短句来源
     Combined Art
     综合的艺术——浅析影响凡·高绘画艺术的外在因素
短句来源
     Bubble Chamber
     气泡室
短句来源
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  combined chamber
The flooding time will then be a function of the maximum flow rate and the combined chamber and tubing volume.
      
The wash time is also dependent on the combined chamber and tubing volume, so minimizing this volume will help to reduce wash times.
      


In recent years, non-dynamite seismic sources—PAR Air Guns ha ve found wide applications in marine seismic exploration. PAR Air Gun consists of an array of guns (with up to more than 30 guns) to increase the cxcitation energy. When it is used in shallow water and marsh zones, however, the energy output of the excited sound pulse drops sharply because of the short distance between the bo ttom and the surface of the water. No satisfactory result can be achieved in incre asing the output energy by enlargng the...

In recent years, non-dynamite seismic sources—PAR Air Guns ha ve found wide applications in marine seismic exploration. PAR Air Gun consists of an array of guns (with up to more than 30 guns) to increase the cxcitation energy. When it is used in shallow water and marsh zones, however, the energy output of the excited sound pulse drops sharply because of the short distance between the bo ttom and the surface of the water. No satisfactory result can be achieved in incre asing the output energy by enlargng the air gun dimension or by increasing the air gun chamber volume. The air gun described in this paper has an additional air chamber with a piston and a release port of the same configuration. The second chamber will not change the sound pulse wave form and the two chambers are connected to form a combined chamber. In firing, the pressure decrease in the second chamber is affected by that in the first one, which greatly increases the velocity of the piston in the second chamber and make it possible to release efficiently the energy stored in the high pressure air.In this way, the tandem piston air gun is capable of producing high energy sound pulse excitations. To meet the requirements of working in shallow water and marsh areas, plug-in excitation in the mud has been adopted instead of excita tion in the water. This greatly increases the energy output of the sound pulse produced by the air gun Field tests show the tandem piston air gun can produce sound pulses with effe ctive energy concentrated between 10—80 Hz, the primary frequency being in the proximation of 35 Hz. This meets the basic requirements of seismic exploration. With identical air pressure and chamber volume, the tandem piston air gun can produce 6 times more energy than marine air guns. Its seismic profile record is eq uivalent to that produced by 3 kg of TNT explosives.

近年来,非炸药震源——气枪(PAR Air Gun),已广泛使用在海洋地震勘探。它用多枪組合法(組合数达30多只)来提高激发能量。但是,当它在浅水沼泽地区使用,由于水底与水面較近,气枪所激发的声脉冲能量輸出急剧下降。用加大枪室容积,增加气枪压力等方法,效果极不理想。本文主要叙述气枪在不改变排气口形状及激发的声脉冲波形特征情况下,增加一个带有同样排气口和加速开門活塞的第二气室,两个气室相互联合,二个活塞相互串联,构成一个串联双活塞气枪,簡称为联合气枪。由于第二气室的减压是受第一气室减压的影响,促使第二气室的开门活塞速度大大提高,贮能的高压气便得到充分有效的释放,从而达到了联合气枪的大能量声脉冲激发。为适用于浅水沼泽地区工作,现将气枪位于水中激发方式变为插入泥层中的激发方式,大大提高了声脉冲能量輸出。测量表明,联合气枪的激发能量大部分集中在10赫~80赫。主频率在35赫附近,基本符合地震勘探。在相同工作压力与容积条件下,联合气枪的激发能量比气枪大6倍以上。其地震剖面記录效果和3公斤炸药井炮相当。

Combined enuirvonment stress & reliability test is one of the most important tests to testify MFBF and expose shortcomings of components product design and production technology combined chamber is the equipment used to perform this test Main functions and specifications of H3880-V890B are discussed in this paper.

综合环境应力可靠性试验,对于验证产品可靠性平均无故障工作时间(MTBF)和暴露产品设计、元件选用、生产工艺等方面的缺陷有着十分重要的作用。综合环境应力可靠性试验设备是实施该项试验的重要手段。本文详述 H3880-V890B试验系统的布局、功能、参数及主要技术,旨在向试验同行介绍目前试验设备的最新技术动态。同时希望资源共享,为暂不具备大型综合环境应力设备的单位提供协作,共同为提高我国的装备技术水平作出贡献。

The chamber blasting with bar charges is used in rock dig of openpit, railway road, hydroelectric industry and other projects. This paper introduces an example about urban controlled blasting by applying bar charge primarily, combining spot charge and bar charge, and combining common chamber blasting and hydraulic chamber blasting, combining chamber blasting for loosening and chamber blasting for fortifiying loosening, meet with success. High-speed, safety,...

The chamber blasting with bar charges is used in rock dig of openpit, railway road, hydroelectric industry and other projects. This paper introduces an example about urban controlled blasting by applying bar charge primarily, combining spot charge and bar charge, and combining common chamber blasting and hydraulic chamber blasting, combining chamber blasting for loosening and chamber blasting for fortifiying loosening, meet with success. High-speed, safety, good blasting results bave been obtained.

条形药包峒室爆破广泛用于矿山露天的剥离 ,铁路、公路、水电等基建工程土石方的开挖。为了满足工程进度要求 ,在福建省晋江市体育中心西广场基建平基土石方开挖中 ,采用条形药包为主 ,点药包与条形药包相结合 ;峒室普通爆破与峒室水封爆破相结合 ;峒室松动爆破与峒室加强松动爆破相结合的控制大爆破技术 ,该技术获得圆满成功 ,并达到了快速、安全、效果好的要求。

 
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