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micro-bubble
相关语句
  微小气泡
     Study of measuring micro-bubble diameter
     微小气泡粒径的测量研究
短句来源
     In the micro-bubble images taken by only one CCD camera, the pixel gray-scale must be used to distinguish bubbles in depth of field.
     对用一台CCD摄像机所摄得的微小气泡水图像要识别摄影进深方向的气泡,必须利用图像的像素灰度这一特征。
短句来源
     Otherwise, according to bubble images, the ratio of minimum to maximum distances from the bubble centroids to its edge can be got, with which it is possible to automatically separate the bubbles,impurity and defocus images from micro-bubble water.
     另外,利用摄影所获得的微小气泡图像,统计出气泡的形心到它的边界的最短距离与最长距离之比来自动分离微小气泡水中的气泡和杂质以及散焦的物像。
短句来源
     Until the present,more accurate measuring method is image processing for micro-bubbles of higher number-density and micron degree. It is an economical and convenient method that micro-bubble images are obtained by a CCD camera.
     目前,较准确地测量高密度、微米量级的微小气泡的方法为图像处理法,即利用CCD摄像机对其摄像来进行气泡测量。
短句来源
  微泡沫
     Circulating micro-bubble drilling fluid syste
     可循环微泡沫钻井液体系
短句来源
     This paper compares normal foam drilling fluid with micro-bubble drilling fluid, introduces the basic constituents of the circulating micro-bubble drilling fluid system and the requirement of the system on the properties of foaming agent and foam stabilizer, the application of micro-bubble drilling fluid system both at home and abroad, and its development trend.
     对比了普通泡沫钻井流体和微泡沫钻井液的优缺点,介绍了可循环微泡沫钻井液体系的基本组成以及该体系对起泡剂、稳泡剂性能的要求。 对近年来微泡沫钻井液体系在国内外的应用情况进行了介绍,并提出了其发展趋势
短句来源
     As Tuha oilfield is a low pressure and low permeability reservoir, lost circulation is one of the most challenging problems in drilling and cementing operations. To solve the problems of long section cementing, low pressure wells cementing, full hole cementing in gas wells and the wells using micro-bubble drilling fluid cementing, a low density and high strength cement slurry was employed.
     吐哈油田属于低压低渗油藏,井下漏失问题一直是钻井和固井过程中的最大难题,为解决长封固井段固井、低压易漏井固井、全井封固的气井固井和使用微泡沫钻井液钻井后的固井的难题,采用低密度高强度水泥浆体系固井。
短句来源
  微量气泡
     The prevention and cause analyse about the Micro-bubble generation in intravenous transfusion
     静脉输液中微量气泡产生的原因分析与预防
  “micro-bubble”译为未确定词的双语例句
     Experimental results show that the diameter of micro-bubble is between 20 and 70 μm,and the number density is between 0.53×10~3and 1.01×10~3 number/mm~3.
     实验结果表明,产生的微气泡直径在20~70μm之间变化,数密度在0.53×103~1.01×103个/mm3之间。
短句来源
     Methods Through peripheral vein injected CO_2 micro-bubble agent, tumor was radiated locally with low power ultrasound (0.5 W) on skin surface 2-3 times weekly, 3-6 times for every patient in total of 83 cases with malignance including those in wall of thorax and abdomen or in cavity of antinode.
     方法83例恶性肿瘤患者,外周静脉注入CO2微泡剂,以低功率低频率超声(0.5W)经皮辐射肿瘤局部,每周2~3次,每例病人治疗3~6次。
短句来源
     Remarkable improvement achieved by addition of a coal surface property modifier and replacement of two old flotation machines with two micro-bubble ones that:under small variation of concentrate ash,flotation concentrate yield increased 8~10%,leading to increase of overall clean coal yield at 1.6~2.0% and considerable economic benefit obtained.
     通过增设表面改质机,并用两台微泡浮选机替换了两台旧的浮选机,明显改善了分选效果; 在浮选精煤灰分变化较小的情况下,浮选精煤产率提高约8%~10%,总精煤产率提高约1.6%~2.0%,取得了可观的经济效益。
短句来源
     The micro-bubble flotation technology is grafted interaction in the classification process.
     微泡浮选技术被嫁接到分级技术中,微细粒的分散状态是通过在分级过程中控制界面相互作用达到的。
短句来源
     Dissipative Structure Analysis of Cyclonic Micro-bubble Flotation Column Separation System
     旋流微泡浮选柱分选系统的耗散结构分析
短句来源
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  micro-bubble
The micro-bubble emerging in the film of deioned water is sensitive to the variation of EEF intensity, and disappears eventually as time progresses.
      
Micro-bubble emerging at negative EEF is easier than at positive EEF.
      
Micro-Bubble Phenomenon in Nanoscale Water-based Lubricating Film Induced by External Electric Field
      
Micro-bubble drag reduction experiments were conducted in a turbulent water channel flow.
      
Influence of bubble size on micro-bubble drag reduction
      
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In order to investigate the effect of hydrogen on the welding cold cracking in the lowalloy high strength steel, exact measurement of the diffusible hydrogen content in the weld metal has a important meaning,It is well know that the method of measurement is usualy the glycerein method and mercury method. The first method can not exactly measure the diffusible hydrogen content in the weld metal, because the some micro bubbles can not rise and escape from the glycerin medium, so that the quantity collected is...

In order to investigate the effect of hydrogen on the welding cold cracking in the lowalloy high strength steel, exact measurement of the diffusible hydrogen content in the weld metal has a important meaning,It is well know that the method of measurement is usualy the glycerein method and mercury method. The first method can not exactly measure the diffusible hydrogen content in the weld metal, because the some micro bubbles can not rise and escape from the glycerin medium, so that the quantity collected is reduced and the later not only will pollute envioment but also harm one's health. Therefore it is applied a little in our country. This paper introduces a new metqod. It is called the thermovacc--extraction method. Test procedure was as follows; first, asspecimen was cut in to some pieces as soon as finished the weld, some pieces of them were taken to measure the total hydrogen content in the weld metal by the thermovaccum-extraction method, and remained same nember of pieces were set in to the glycerin medium for 48 hrs(at 45℃), then they were taken out from glycerin medium and measured residual hydrogen content in the weld metal by the thermovacum-extraction method. The total hydrogen content minus the resdual hydrogen content has been defined the average diffusible hydrogen content in the weld metal. The testing result shown thown that the hydrogen content with thethermovaccumextraction method was approximately one time higher than the glycerin method. Therefore this method can collecte all of the diffusible hydrogen content in the weld metal, because it is free from the unfavourable effect of liquid mediumes.

本文推荐了一种新的焊缝扩散氢测定法-真空热抽取法。其过程是,把一条待测焊缝分割成若干块,取其中数块试样作测定总氢量,而把余下的相等数量的试样放入甘油中(45℃)经过48小时后,再取出测定其残余氢。总氢量与残氢量之差,即为焊缝的平均扩散氢含量。试验证实,用真空热抽取法测得的扩散氢量要比甘油法多一倍左右。这表明此方法可以避开液体介质的不良影响,从而有可能把试样中扩散出的氢全部抽集。

We use the traditional chinese drug "Rochrune" as an acoustic contrast for sonography of the stomach, and success in 643 cases by clinical observation. Rochrune reacts rapidly with hydrochloric acid in gastric juice and produces a great deal of carbon dioxide micro bubbles, which suspends in the gastric juice.Afterdrinking some watre, the homogeneous gastric juice becomes "foamy" . When ultrasonic wave passes through this area,an intensive reflex will be produced. A complete different state will be seen as compared...

We use the traditional chinese drug "Rochrune" as an acoustic contrast for sonography of the stomach, and success in 643 cases by clinical observation. Rochrune reacts rapidly with hydrochloric acid in gastric juice and produces a great deal of carbon dioxide micro bubbles, which suspends in the gastric juice.Afterdrinking some watre, the homogeneous gastric juice becomes "foamy" . When ultrasonic wave passes through this area,an intensive reflex will be produced. A complete different state will be seen as compared wiht the normal drinking in non-reflected area.By using this method,the thickness of stomach wall, its shape, the dynamic changes and the diseased area can be well-demonstrated. Therefore it has practical value in diagnostic use.

我们采用中药“海螵蛸”进行胃声学造影通过643例临床观察获得成功。海螵蛸与胃酸中和之后,迅速发生化学反应,产生大量二氧化碳微气泡,悬浮在胃内液体中,使饮水后胃内质地均匀液体变成“泡沫状”液体,超声通过此区时即可产生密集反射,与正常饮水后胃内液体无回声区截然不同,借此,可以确定胃壁厚度、形态、动力改变及疾患所在,它对胃疾病的诊断具有一定实用价值。

The present paper resports a basic re-examination of the thermodynamic principle of collision of free micro-bubbles with flocs and attachment at hydrophobic sites. And according to Levich flocculation theory under turbulent flow condition, a mathematical pattern of flocculation induced by micro-bubbles, suitable for dissolved air flotation system, was developed with taking flocs break-up under a certain intensity of shear rate into account and verified by the experiment. The pattern gave analogul results which...

The present paper resports a basic re-examination of the thermodynamic principle of collision of free micro-bubbles with flocs and attachment at hydrophobic sites. And according to Levich flocculation theory under turbulent flow condition, a mathematical pattern of flocculation induced by micro-bubbles, suitable for dissolved air flotation system, was developed with taking flocs break-up under a certain intensity of shear rate into account and verified by the experiment. The pattern gave analogul results which almost coincided with the experimental results. Also, it was fountd that if a stream of micro-bubbles introduced into raw water by injecting super-saturated water through a air injection nozzle at, or near, thepoint of addition of coagnlations, it might be possible to obtain a good treatment quality in a flotation tank without any independent floc-bubbles mixing cell within a shorter flocculation period. In this paper the design targets of dissolved air flocculation are provided.

本文论述了微气泡向固体颗粒粘附的热力学原理,并根据Levich紊流絮凝理论,考虑絮体在水流剪切作用下的破碎,提出了一种适用于气浮系统的有微气泡参与的絮凝动力学数学模式。试验证明这个模式与实测值有较好的吻合性。试验结果证明,在絮凝过程的一开始就加入微气泡可大大缩短反应时间,并省去气浮池中所设置的气泡捕捉区,同时取得良好的处理效果。本文提出了加气絮凝池的设计控制指标。

 
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