查询词典 decompression chamber

This indicates that the broken rocks of crushing zone, produced in the previous spring blasting, has fallen off from the chamber wall, and erupted out of the borehole with the succeeding actions of the shock-wave and the explosion gas further expansion in the chamber.

这表明二次爆扩时的爆炸冲击作用使前次爆扩产生的本已粉化破碎的岩石脱离腔体，随高速喷发的气体产物冲出孔外，从而使空腔体积因碎岩脱落排出而增大。

Using fluid dynamics FEM (two dimensional, three dimensional andaxisymmetric) and three dimensional acoustic FEM in meticulous analysis ofexpansion muffler structure, this paper studies the influences of each mufflercomponents' position, dimension, form and quantity on the fluid dynamic andacoustic performances;therefore the paper indicates that the end of the intruding tubeis the linchpin of the fluid dynamic performance of the whole muffler structure, thespringhead of muffler fluid dynamic performance is the smoothness of air current, themain factor which affects the acoustic attenuation value of expansion chamber muffleris the grade of saltation of the section of air conducting access, and the attenuationvalue of specific frequency can be dramatically enhanced by carefully designing thelength of expansion chamber.

本文通过流体力学有限元方法和三维声学有限元方法对扩张腔消声结构的参数化模型进行了细致的分析，研究了这种结构的各个组成部份的位置、大小、形状和数量对其流体力学与声学性能的影响，指出插入管端口是影响整个结构流体力学性能的关键，消声结构流体力学性能的根源是气流通过时的平稳程度；影响扩张腔消声量的主要因素为声波传播通路截面突变的程度，并可以通过精细的设计扩张腔轴向长度获得宽频或指定频率消声量的大幅度提高。

Based on the integration of the results of acoustic andfluid dynamic analysis, this paper points out that synthetical acoustic and fluiddynamic performance of muffler can be obtained by using square expansion chamber,by stringing together several podgy expansion chambers, by applying noise absorbingmaterial on chamber walls, by making chambers and pipers co-axial, by adding filletson the end of intruding pipes, and by making the diameter of outlet pipe a little greaterthan the diameter of the inlet pipe.

通过综合流体力学和声学有限元两方面的分析的结果，指出了采用方形扩张腔，采用多个短粗扩张腔串联，扩张腔壁面附吸声材料，使各管道同轴，在插入管端口加上圆角，并且令出口插入管管径略微大于入口插入管管径可以使消声结构获得最佳的声学和流体力学综合性能。

Gas chromatographic analysis of 2-chloroethyl ethyl carbamate WANG Yue-feng, YANG Rui, SHE Yong-hong, ZHANG Hong-chao (Sanonda Zhengzhou Pesticide Co., Ltd., Zhengzhou 450009, China) Abstract: Separation and quantitative determination of 2-chloroethyl ethyl carbamate was conducted using gas chromatography with FID using an OV-101 packed column and biphenyl as the internal standard. Column temperature was 190℃, the ignition chamber was 230℃, and the test chamber was 230℃.

2-氯乙基氨基甲酸乙酯气相色谱分析王跃凤，杨睿，佘永红，张宏超(沙隆达郑州农药有限公司，郑州 450009)摘要：采用气相色谱法，柱填充物为3% OV-101涂渍在 Chromosorb W AW DMCS (180~250m)上，柱温：190℃，气化室：230℃，检测室：230℃；内标物为联苯，用内标法对2-氯乙基氨基甲酸乙酯有效成分进行分离和检验。

As the pressure inside the spacesuit than normally low, there may human tissue inside the release of nitrogen in the formation of air embolism within blood vessels, leading to decompression sickness, and even endanger human life.

由于航天服内的压力比正常情况下低，有可能会使人体组织内的氮气释放，在血管内形成气栓，导致减压病，甚至危及人的生命。

HBO has been used in humans in the treatment of ischemic disease, stroke, CO poisoning, air embolism and decompression sickness.

作为一种治疗手段，HBO已广泛应用于临床上缺血性疾病、休克、一氧化碳中毒、气栓症及减压病等疾病的治疗。

Using the Fraiar and Angeleno plum fruit as trial materials and physiological-biochemical analysis as experimental methods, the influences of varied conditions of decompression storage and calcium treatments of different consistency on the fruit quality, respiration intension and ethylene production rate, MDA content, protective enzyme activity and storage effect of plum fruits were studied.

以黑宝石和安哥诺李果实为试验材料，采用生理生化分析方法，研究了不同减压贮藏条件和不同浓度钙处理对李果实品质、呼吸强度和乙烯释放量、MDA含量、保护酶活性及贮藏效果的影响，探讨了李果实减压及浸钙贮藏保鲜机理，结果表明： 1。

Methods 51 cases of CSM were treated with anterior decompression,iliac crest autograft and locking titanium plate.

目的评价脊髓型颈椎病前路减压后应用带锁钛板内固定的价值。

After several years of hard struggle, finally achieved gratifying results, the current company's existing list of workers at more than 30 people, one of professional advanced technical personnel more than 8 , engineer 2 people, specializing in the production of transformers, special transformers, three-phase transformer, voltage regulator, starter boxes Autotransformer decompression, as well as the introduction of the development of the international advanced level of Germany's Siemens JBK5 machine tool control transformers, the company simultaneously developed RBK , RSBK transformer was the title of National patented product, the company focus on product development, developed simultaneously, continuously strengthen the quality of management, now has a full range of modern intelligent calibration equipment, the company provides quality products factory protection.

经历了数年艰苦奋斗，终于取得了可喜的成绩，目前公司现有在册职工30余人，其中专业高级技术人员8多人，高级工程师2人，专业生产变压器、特种变压器、三相变压器，调压器、自耦减压起动箱，以及引进开发具有国际先进水平的德国西门子JBK5机床控制变压器，同时本公司开发研制的RBK、RSBK变压器获国家专利产品称号，公司在注重产品的开发、研制的同时，不断加强质量管理，现在公司拥有全套现代智能校验设备，使公司产品出厂提供了质量的保障。

Yuefeng Electric Ltd., founded in 1984, and now employees more than 600 professional and technical personnel, management staff of 25 people, of which 36 were engineers, enterprise covers an area of 11 mu, building area of more than 10,000 square meters, is a development, production, marketing high-low-voltage electrical in one scale enterprises, the company long-term commitment to national industrial development, with many scientific research units and institutions of higher learning to work closely with the professional production of transformers, voltage regulator, voltage regulator, electrical power, Frequency Min rheostat, autotransformer starting decompression box, cabinet, welding machine, electro-magnet, as well as the introduction of the development of international standards of Germany's Siemens JBK5 machine tool control transformers, SSG coherent three CNC machine tool-type transformers and other products.

跃峰电器有限公司，创建于1984年，现在员工600多人，各类专业技术人员、管理人员25人，其中工程师36人，企业占地面积11亩，建筑面积 10000多平方米，是一个以开发、生产、销售高低压电气于一体的规模型企业，公司长期致力于民族工业发展，与众多科研单位及高等院校进行紧密合作，专业生产变压器、调压器、稳压器、电源电器、频敏变阻器、自耦减压起动箱、柜，电焊机、电磁铁以及引进开发具有国际水平的德国西门子JBK5机床控制变压器、SSG数控机床三相干式变压器等系列产品。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。