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transfer mass
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  迁移质量
     With hydrothermal transfer model set up on the basis of heat transfer theory and two di-mensional season frozen soil time path temperature field solved by means of finite-difference method. The quantity of ice formed is calculated by the transfer mass differential equation for water in the two dimensional frozen oil,and consequently,free frost heave quantity in this field is obtained.
     根据热传导理论建立水热相互迁移模型,利用有限差分方法求解二维季节冻土的时程温度场,由二维土体中水份迁移质量微分方程求解成冰量,进而得到场地的自由冻胀量。
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  传输物质
     SiC crystal growth by sublimation method is discussed with emphasis on chemical reactions, thermal transfer, mass transfer and defect formation during sublimation growth of SiC.
     讨论了SiC晶体升华法生长机理。 从SiC晶体生长过程中的化学反应,热传输,物质传输以及缺陷的形成等方面进行了探讨。
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  “transfer mass”译为未确定词的双语例句
     The dynamic adsorption capacity measuredfrom breakthrough curve was 164.6mg/g resin, the total transfer mass coefficient 0.018s-1, and the height of mass transfer zone15.9cm.
     根据穿透曲线测定了动态吸附容量为164.6mg/g树脂,总传质系数KFav为0.018s-1,传质区长度为15.9cm。
短句来源
     Through the analysis and researching of USB2.0 Specification and the CY7C68013 chip developed by Cypress Company, GPIF (general programmable interface) was used to maximize the USB 2.0 bandwidth to transfer mass video data at the average rate of 28Mbits/s without compress.
     通过对USB2.0协议和CY7C68013芯片的分析和研究,可编程接口(GPIF)能最大限度的发挥USB2.0的带宽,平均数据传输率为28Mbits/s,获得了无须压缩的高速单通道和多通道视频数据传输。
短句来源
     Under the optimized operating conditions, copper can be extracted effectively and the extraction rate at the first stage reaches 93.06%, the extraction capacity of BK992 is 17.30g/L and the stripping rate reaches ~91.79% , the pure transfer mass of copper is 15.88g/L.
     在优化条件下,待处理液的一级萃取率达93.06%,20%BK992萃铜的饱和容量为17.30g/L; 一级反萃率达91.79%,铜净传递量为15.88g/L。
短句来源
     This paper studied catalytic performance and kinetic behaviour of spherical MgCl_2-supported catalyst in polymerization process of ethylene. The effects of heat transfer,mass transfer,temperature and pressure on behaviour of the catalyst in the polymerization process were analyzed.
     考察了球形MgCl_2载体催化剂在乙烯聚合过程中的催化性能和动力学行为,分析了聚合过程的传热、传质和温度、聚合压力对催化剂行为的影响。
短句来源
     Based on differential equations of heat transfer, mass transfer, energy conservation and mass conservation, parameters and the motivity of heat transfer and mass transfer along the height of the humidifier were calculated and thus the design and off design performance of humidifier were uncovered.
     建立了传热、传质微分方程以及能量、质量守衡方程,利用实验研究给出的传热与传质系数的经验关联式,沿湿化器高度积分,得到各参数及湿化器内传热传质推动力 焓差沿湿化器高度的变化,计算分析了湿化器的设计工况性能和变工况性能,为湿化器的设计和开发提供了理论依据
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  相似匹配句对
     Mass Transfer Model for CTRDC
     闭式涡轮转盘塔的传质数学模型
短句来源
     MASS TRANSFER CHARACTERISTICS OF HVGT
     高负荷导向垂直栅板传质性能研究
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     Mass.
     Mass .
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  transfer mass
Limits on the donor's evolutionary state, and its companion mass, can be placed on systems which would transfer mass on a thermal or dynamical timescale.
      
An Atmospheric Chemistry Interpretation of Mass Scans Obtained from a Proton Transfer Mass Spectrometer Flown over the Tropical
      
Mathematical models of unsteady processes of cooling by convection and radiation in pulling of rods and plane sheets at a constant velocity and of heat transfer (mass transfer) in a thin running‐down layer of a medium (fluid) are solved.
      
Unlike chemical reactors or combustion processes the sole purpose of a contact tank in the water industry is not always to transfer mass.
      


This paper has discovered that arc appearances in that pulse MIG welding process are controllable.The technological characteristics of fhe pulse arc can be regulated to some extent by controlling the arc appearance.The different visiblearc appearances are dependent on the changing process of the instantaneous arc appe-arances.This paper has examined fhe effect of pulse currnt waveform,pulse currentamplitude,shielded gas and other factors to this changing process,and offer thepossible ways for controlling the...

This paper has discovered that arc appearances in that pulse MIG welding process are controllable.The technological characteristics of fhe pulse arc can be regulated to some extent by controlling the arc appearance.The different visiblearc appearances are dependent on the changing process of the instantaneous arc appe-arances.This paper has examined fhe effect of pulse currnt waveform,pulse currentamplitude,shielded gas and other factors to this changing process,and offer thepossible ways for controlling the arc appearance.Different arc appearancedetermines the different metal transfer mode.Through the comparative studyof metal transfer modes in both,flat and overhead welding positions by high-speedphotography authors of this paper suggests that both single-droplet and multidroplettransfers per pulse are axial and powerful in flat and overhead welding,but themultidroplet transfer mode per pulse can have broader region of welding condit-ions than singledroplet mode.Arc jumping phenomenon is a common physical essence of the strearming transfer mode.The essential chang of the liquid wire tip and the appearing of the streaming transfer feature take place only after the arc jumping phenomenon.In process of streaming transfer of continuous current arc jumping phenomenonappears only once at start stage of arc,while in process of pulse streaming tra-nsfer arc jumping phenomenon repeats in every pulse current period.In both single-droplet and multidroplet transfers per pulse droplet can deta-ch and transfer after the end of pulse current period (i.e.during base currentperiod).This may attribute to inertia action of transfer mass and to instabilityof liquid metal column on the wire tip,which separates into several pieces andthen form small droplets transfering to weld pool.

本文通过试验发现熔化极脉冲焊具有电弧形态可控的特点,通过两种典型目视电弧形态的控制可以在一定程度上控制脉冲电弧的工艺特性。不同的目视电弧形态是不同的瞬时电弧形态的变化过程决定的,本文研究了脉冲电流波形、脉冲电流值和保护气氛等因素对瞬时电弧形态变化过程的影响,为控制电弧形态提供了可能的途径。熔滴过渡与电弧形态有密切的关系。不同的电弧形态决定了不同的熔滴过渡形式(?)本文用高速摄影技术通过平焊和仰焊试验对不同熔滴过渡形式进行了比较,认为一脉冲一滴(脉冲喷滴过渡)和一脉冲多滴(脉冲射流过渡)在平焊和仰焊位置都能实现有力的轴向过渡,但一脉冲多滴的过渡形式可以有更宽的规范区间。跳弧现象是射流过渡的共同物理本质,只有在出现跳弧现象之后,焊丝端头的液体金属才能产生本质的变化,并出现射流过渡的特点。连续电流射流过渡时,跳弧现象只在引弧初期出现一次,而脉冲电流的脉冲射流过渡时,跳弧现象在每次脉冲电流期间都重复出现。脉冲喷滴过渡和脉冲射流过渡时皆有熔滴在脉冲电流停止后过渡的现象。这种在脉冲电流停止后仍能实现熔滴有力过渡的原因是由于惯性作用和细长金属液柱失稳而自动截成数段,形成分离的小熔滴而实现过渡的。

The cataclysmic variables are close binary systems in which a late-type star fills its Roche lobe and is transferring mass to a white dwarf companion. In most of these systems the transfer red mass forms a gas disk encircling the white dwarf. Many cataclysmic variables eclipse and, in principle, analyses of these eclipses could give much information. Unfortunately, the cataclysmic variables are complicated systems and analyses of their eclipses are, therefore, extremely difficult.In order to...

The cataclysmic variables are close binary systems in which a late-type star fills its Roche lobe and is transferring mass to a white dwarf companion. In most of these systems the transfer red mass forms a gas disk encircling the white dwarf. Many cataclysmic variables eclipse and, in principle, analyses of these eclipses could give much information. Unfortunately, the cataclysmic variables are complicated systems and analyses of their eclipses are, therefore, extremely difficult.In order to analyze the eclipses of cataclysmic variables we have developed a computational program to synthesize the light curves of cataclysmic variables and to fit the synthetic light curves to the observed ones. The synthetic light curves include the effects of Roche lobe geometry of the secondary star; an accretion disk with a bright spot on its outer edge; gravitydarkening; limb-darkening; and the reflection effect. We have applied the program to the eclipses of two dwarf novae, HT Cas and U Gem, and obtained interesting as well as satisfactory results.AC Cnc is an eclipsing nova-like variable with an orbital period of 7 hr 13 m. Since AC Cnc is a double-lined spectroscopic eclipsing binary and has a nearly central eclipse, it is one of the best candidate systems for a numerical study of eclipsing cataclysmic variables. High-speed, multi-color photometric observations of AC Cnc are presented. By fitting to the light curves we found: i = 74.5 ± 0.8, M1 = 0,74±0.07M , and M2 = 0.97 ± 0.08 M. The temperature distribution across the disk in AC Cnc is well approximated by a power law: T(r)∞r-0.5 with a temperature of 7600 K at its outer edge. The mass transfer rale from the secondary star is about 7×10-9Myr-1. The distance to AC Cnc is about 500 ± 100 pc.

AC Cnc是周期为7~h13~m的类新星食变星。由于AC Cnc是双谱食双星,而且具有较对称的食,所以在对激变食变星的系统研究中,我们选择了该双星来进行观测。本文利用拟合光变曲线的方法对AC Cnc进行了测光解分析、并得到轨道倾角i=74.5°±0.8°,白矮星质量M_1=0.74±0.07M_⊙,晚型星质量M_2=0.97±0.08M_⊙。AC Cnc中吸积盘的径向温度分布可以近似地表示为T(r)∝r~(-0.5),吸积盘边缘温度为7600K。晚型星向白矮星的质量转移率大约为7×10~(-9)M_⊙yr~(-1)。AC Cnc的距离近似地等于500±100pc。

The cataclysmic variable is a close binary system, in which a low-mass, late-type secondary star fills its Roche lobe and is transferring its mass to a white dwarf primary star. In most of these systems the transferred mass forms an accretion disk around the primary star. Cataclysmic variables are important objects to our understanding accretion processes,evolution of close binaries,and other interesting issues. In the present paper a summary of observational researches on cataclysmic...

The cataclysmic variable is a close binary system, in which a low-mass, late-type secondary star fills its Roche lobe and is transferring its mass to a white dwarf primary star. In most of these systems the transferred mass forms an accretion disk around the primary star. Cataclysmic variables are important objects to our understanding accretion processes,evolution of close binaries,and other interesting issues. In the present paper a summary of observational researches on cataclysmic variables is given and a few unsolved problems are discussed as well.

激变变星是密近双星系统,包含一颗白矮星主星和一颗晚型星伴星。晚型星伴星充满了其Roche瓣,并向主星转移物质,在主星周围形成一个吸积盘。这类双星对于我们认识吸积过程、密近双星的演化等是相当重要的。本文主要从实测角度综述激变变星研究的现状,并讨论一些尚待解决的问题。

 
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