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concentration measure
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  浓度检测
     Anesthesia gas concentration measure device based on NDIR technique
     基于NDIR技术的麻醉气体浓度检测装置
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  “concentration measure”译为未确定词的双语例句
     The acid concentration measure principle,the calculation and control method are introduced. The principle and characteristic of the control system are analyzed. And the notices in production process are mentioned.
     以涟钢酸洗连轧生产线为背景,介绍了酸浓度的检测原理、计算和控制方法,分析了此控制系统的原理和特点,并提出了在生产过程中的注意事项,实践证明该系统有效地提高了酸浓度的控制精度。
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     Methods: Toluidine blue staining, alcian blue safranin staining, critical electrolyte concentration measure and berbering sulphate fluorescence staining were used.
     方法 :甲苯胺蓝染色 ,Alcian蓝 -藏红染色 ,临界电解质浓度测定和硫酸小蘖碱荧光染色。
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     Based on the gas light absorption changing with its concentration at charateristic wavelength, an optical fiber gas concentration measure is developed.
     基于气体在其特征吸收波长下对光的吸收随浓度变化的机理,研制一种光纤式气体监测仪.
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     Then an energy concentration measure is used to select the optimum window and corresponding STFT.
     利用能量集中方法来选取最佳的分析窗口,计算对应的STFT;
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     RESULTS: The OD(optical density)value was affected by fungal and VK_3 concentration, measure wavelengh, and solvent addition-time at the same time.
     结果OD值随着菌浓度、VK3含量的升高而增大。
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  相似匹配句对
     And the concentration
     对HDL、LDL腔内壁面浓度与
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     Physical Measure and Concentration of the Chemical Kinetics
     化学动力学中的物理量与浓度
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     Measure and control of alkali concentration in pretreatment
     前处理工艺过程碱液浓度的测控
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     At the concentration of 10g.
     10g.
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     Measure of Temperature
     温度的测量
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  concentration measure
This concentration measure per se is a measure of extreme drug exposure, not absorption rate.
      
The results indicate that the use of a geographical concentration measure opens up new possibilities for analyses of the development of geographic diversion over time.
      
The analyzer can provide real-time concentration measure ments for a wide variety of chemical systems and containers.
      
They advo cated the use of serum drug concentration measure ments when available as alternatives to clearance estimating equations in the elderly.
      
The Gini index appears as a solution since it both represents a dispersion measure, a concentration measure and an inequality measure.
      
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The ultrasonic method based on the dependence of speed of ultrasonic propagation ("sonic speed") on thorium concentration is used to determine thorium concentration of the organic phase in Thorex solvent extration process. The speed of ultrasonic propagation is measured by the time of ultrasonic propagation ("sonic time") in stationary distance ("sonic distance"). The parameters of temperature, thorium concentration, TBP and nitric acid concentration in TBP-kerosene system were...

The ultrasonic method based on the dependence of speed of ultrasonic propagation ("sonic speed") on thorium concentration is used to determine thorium concentration of the organic phase in Thorex solvent extration process. The speed of ultrasonic propagation is measured by the time of ultrasonic propagation ("sonic time") in stationary distance ("sonic distance"). The parameters of temperature, thorium concentration, TBP and nitric acid concentration in TBP-kerosene system were measured as a function of the speed of ultrasonic propagation. Good linear correlations were obtained except in the case of TBP concentration. The "sonic speed" coefficients of temperature, thorium and nitric acid concentrations are-3.6 m sec-1/℃, -0.73·m·sec-1g l-1 and - 11.8·m·sec-1/N respectively. The approximate sonic speed coefficient of TBP concentration is - 0.3·m ·sec-1/1% up to 30%. The fact that the"sonic speed" coefficient of temperature is independent of thorium concentration in TBP-kerosene system is of great importance. An equation to characterize the thorium concentration measured as a function of temperature and speed of ultrasonic propagation at constant TBP and nitric acid concentrations, is shown as follows.CTh = 1706.3-1.4v-4.9(T-25),where CTh is thorium concentration, g/1; v is "sonic speed", m/sec; T is temperature, ℃.Based on the fact that "sonic speed" coefficient of temperature is independent of thorium concentration in TBP-kerosene system, a method of"dual-way comparison" is proposed to eliminate the effect of temperature for the determination of thorium concentration. The experimental results may be summarized as follows.where CThis thorium concentration in the measured channel, CThs is thorium concentration in the standard channel, A is a constant depending on "sonic distance", At is the difference of "sonic time" between measured and standard channels.The sensivity of the method, which depends on "sonic distance", is 0.3 g/1 at a "sonic distance" of 600 mm.

本文应用超声波的传播速度(声速)与TBP-煤油中钍浓度依存关系为原理的声速法检测Thorex流程中有机相的钍浓度。超声波的传播速度是通过测定超声波传播一定距离(声程)所需酌时间(声时)实现的。测定了超声波的声速与有机相的温度、钍浓度、TBP和硝酸浓度等参数关系,除TBP浓度外,均得到了良好的线性关系。温度的声速系数为-3.6米·秒~(-1)/度,钍浓度的声速系数为-0.73米·秒~(-1)/克·升~(-1),硝酸浓度声速系数为-11.8米·秒~(-1)/N。TBP含量在30%附近时,声速系数近似为-0.3米·秒~(-1)/1%。特别重要的是温度的声速系数不受钍浓度的影响。在TBP和硝酸浓度稳定的条件下,TBP-煤油中钍浓度与声速、温度的关系可用下式表示: C_(Th)=1706.3-1.4v-4.9(T-25), 式中,C_(Th)为有机相中钍浓度,克/升;v为声速,米/秒;T为温度,℃。 基于不同钍浓度的温度声速系数相同的特性,本文提出采用“双通道对比法”消除温度对检测钍浓度的影响。实验结果可用下式表示: C_(Th)=C_(Th)标+AΔt, 式中,C_(Th)为测量通道的钍浓度,克/升;C_(Th)标为...

本文应用超声波的传播速度(声速)与TBP-煤油中钍浓度依存关系为原理的声速法检测Thorex流程中有机相的钍浓度。超声波的传播速度是通过测定超声波传播一定距离(声程)所需酌时间(声时)实现的。测定了超声波的声速与有机相的温度、钍浓度、TBP和硝酸浓度等参数关系,除TBP浓度外,均得到了良好的线性关系。温度的声速系数为-3.6米·秒~(-1)/度,钍浓度的声速系数为-0.73米·秒~(-1)/克·升~(-1),硝酸浓度声速系数为-11.8米·秒~(-1)/N。TBP含量在30%附近时,声速系数近似为-0.3米·秒~(-1)/1%。特别重要的是温度的声速系数不受钍浓度的影响。在TBP和硝酸浓度稳定的条件下,TBP-煤油中钍浓度与声速、温度的关系可用下式表示: C_(Th)=1706.3-1.4v-4.9(T-25), 式中,C_(Th)为有机相中钍浓度,克/升;v为声速,米/秒;T为温度,℃。 基于不同钍浓度的温度声速系数相同的特性,本文提出采用“双通道对比法”消除温度对检测钍浓度的影响。实验结果可用下式表示: C_(Th)=C_(Th)标+AΔt, 式中,C_(Th)为测量通道的钍浓度,克/升;C_(Th)标为标准通道的钍浓度,克/升;A为由声程所决定的常数,克·升~(-1)/微秒;Δt为二通道声时差,微秒。 方法的灵敏度与声程有关,当声程为600mm时,灵敏度为0.3克/升。

The present paper is about the thin film SnO_2 which is manufuctured by evaporation method. The thickness of the sample is 5000(?), the carrier concentration measured by Hall effect is 4.99×10~(20) cm~(-3), the Hall mobility is 4.26 cm~2 V~(-1)S~(-1), the conductivety is 340.6 Ω~(-1)cm~(-1), the conductivity pattern is of n-type and the light transmissivity T (λ=0.589μm) is 85%. The carrier concentration is determined as the main factor for controlling conductivety properties. This film can be used...

The present paper is about the thin film SnO_2 which is manufuctured by evaporation method. The thickness of the sample is 5000(?), the carrier concentration measured by Hall effect is 4.99×10~(20) cm~(-3), the Hall mobility is 4.26 cm~2 V~(-1)S~(-1), the conductivety is 340.6 Ω~(-1)cm~(-1), the conductivity pattern is of n-type and the light transmissivity T (λ=0.589μm) is 85%. The carrier concentration is determined as the main factor for controlling conductivety properties. This film can be used as the transparent conducting electrode in television technique, and can be used to manufucture heterojunction solar battery with other semiconductor materials.

本文对用气态蒸发法制备的S_nO_2薄膜进行了基本物理特性的研究。试样薄膜的厚度为5000,利用霍耳效应测定其载流子浓度为4.99×10~(20)cm~(-3),霍耳迁移率为4.26cm~2V~(-1)S~(-1),导电类型为n型,用二探针法测定其电阻率为2.9×10~(-3)Ω·cm.光学测定其透过率T(λ=0.589μm)可达85%以上。由基本特性判定出支配S_nO_2薄膜电导特性的主要因素是载流子浓度,同时说明它可以用作电视技术中的透明电极材料,也可与其它半导体材料形成异质结制作太阳能电池。

This paper presents a real--time measuring and a data--processing sys-tem on a single--board microcomputer which is used for the measurement ofair concentration in water flow. The system has run in a satisfactory ma-nner in the Hydraulic Lab. of the Engineering Mechanics Department un-der our university since June, 1984, and has demonstrated that it conside-rably improves the precision and the speed in air concentration measure-ment. The system provides scientific workers with a flexible and power-ful...

This paper presents a real--time measuring and a data--processing sys-tem on a single--board microcomputer which is used for the measurement ofair concentration in water flow. The system has run in a satisfactory ma-nner in the Hydraulic Lab. of the Engineering Mechanics Department un-der our university since June, 1984, and has demonstrated that it conside-rably improves the precision and the speed in air concentration measure-ment. The system provides scientific workers with a flexible and power-ful tool to handle real--time data. It will also find various uses in thefields of the other data measurements.

本文介绍了用于水流掺气浓度测量的微电脑实时测量及数据处理系统。该系统已在我院工程力学系水力学实验室投入运行,它不仅提高了掺气浓度测量的实验精度和实验速度,而且给实验人员提供了灵活而有力的实时数据分析手段,该系统也可用于其它有关的数据测量和处理场合。

 
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