本抽气器内顺次设置扩散管、混合室、排气管。
The air exhauster has diffusion pipe, mixing chamber and exhaust pipe successively.
本文建立了被动式扩散管采集室内空气中甲醛的方法。
A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.
应用排气动力效应通过改善扩散管结构，可使整机性能显著提高。
Use of exhaust dynamic efficiency and improvement of the diffusion pipe structure are conductive to lifting the engine performance.
数值结果表明：1）在微泵扩散管的过流截面上流速有时间相位差和回流现象。
The numerical results indicate that 1) Phase differences in time of flow velocities and backflows occur across section of diffuser connecting to pump chamber;
还给出微泵流量与扩散管长宽比、厚宽比、液体粘度和进出口反压差的定量关系。
Quantitative relations of the pump flow rate versus the ratio of diffuser length to width, the ratio of diffuser thickness to width, fluid viscosity and backpressure were also given.
该方法对改进离心泵弯曲形扩散管的设计方法和提高其设计质量具有重要的意义。
The method is proved to be significant for improving the design method and enhancing design quality of the bend-shaped diffuser.
主要介绍扩散管胀口模具的结构与工作原理、毛坯尺寸及胀口力计算方法和主要工作部件的设计技术。
This paper mainly introduces structure and prinicipe of mouth bulging die for diffusion tube, calculation method of blank size and forming force, design technology of main work parts.
本文叙述一种分离大气中气态汞和颗粒态汞的扩散管采样方法，将它与传统的滤膜过滤法测得的结果进行比较。
A denuder-based method for sampling and separating gaseous and particulate mercury in the air was described. The comparison results for denuder and a traditional filtration method were presented.
液体压强矩阵方程和压电硅片振动有限元方程耦合，得到一个包含微泵进出口扩散管的液-固耦合系统振动方程。
The fluid pressure equation is combined with vibration equation of silicon diaphragm to construct liquid-solid coupling system equations for a micropump.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
他们的研究工作已经取得了出色的成绩：因为在癌细胞通过淋巴管扩散方面的发现，他们获得了英国癌症研究计划支持的一个更大项目。
Already the results of their work have been excellent - with findings in relation to the spread of cancer through the lymphatic vessels prompting a much larger study funded by cancer Research UK.
有些管已经装上了织物，以扩散光。
Some tubes have been fitted with fabric to diffuse the light.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
在生物化学中，透析是指根据分子扩散速率的不同，利用半透膜（如透析管）分离溶液中分子的过程。
In biochemistry, dialysis is the process of separating molecules in solution by the difference in their rates of diffusion through a semipemeable, such as dialysis tubing.
让自然或人造气溶胶通过一段管道，气溶胶粒子就扩散到管臂上。
An aerosol, natural or artificial is made to flow through a length of tubing, the aerosol particles diffuse to the walls.
围绕热辐射、噪声和扩散详述了天然气放空立管的基本设计原则和方法。
Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail.
应用管碟扩散法对毛竹叶提取物的抑菌作用进行初步研究。
The antibacterial properties of leaf extracts from Phyllostachys pubescens with the method of tube and disc diffusion was studied.
利用扩散火焰合成碳纳米管是一项新的技术和方法。
Carbon nanotubes synthesis using diffusion flame is a kind of novel technique.
一种循环管式反应器的扩散模型，归结为一类特殊的边值问题，其特点为两个端点的函数值出现在一个边界条件中。
Recycle tubular reactor model with axial dispersion leads to a special boundary value problem, in which one boundary condition involves the values at two end points.
国内外制备PIN二极管主要采用离子注入方法，扩散方法，外延方法。
A few methods are introduced at home and abroad on producing PIN diodes: diffusion, ion implantation, and epitaxial.
本文介绍两步硼扩散工艺，它对改善台面功率晶体管的性能极有帮助。
This paper introduces two steps B-diffusion technology, rt is very helpful to improve the properties of mesa power transistors.
场效应晶体管，特别是双扩散场效应晶体管，及其制造方法。
Field effect transistor, especially a double diffused field effect transistor, and method for the production thereof.
提出了一种提高高压垂直双扩散MOS场效应晶体管(VDMOSFET)的体二级管恢复速度的新方法。
A new approach to improve the high-voltage vertical double-diffused MOSFET (VDMOSFET) body-diode recovery speed is proposed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
The latest developments of application of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
The latest developments of applicalion of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
介绍了近年来日本在采用瞬间液相扩散焊焊管方面的一些进展，并综合分析了其原因。
The latest developments of applicalion of transient liquid phase bonding technique to pipe welding during recent years in Japan are introduced, and its reasons are analysed.
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