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三参数的
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  three parameters
    Three parameters of the system, such as the relative basicity (acidity) of the extractant, the dissociated constant and the hydrophobicity of the separated solute, were proposed as the most important parameters determining the extraction equilibrium behaviors, and the correlated equations of the apparent extraction equilibrium constant with these three parameters for different extractant systems were obtained respectively, and which can be used to predict the extraction equilibrium behaviors.
    提出了影响萃取平衡的三个重要因素:溶质的亲油性、溶质的电性参数、络合剂的相对碱(酸)度,并在不同体系下建立了表观络合萃取平衡常数与这三参数的关联式,关联精度是相当满意的,可以很好地预测络合萃取平衡的特性。
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  “三参数的”译为未确定词的双语例句
    In this paper,Weibull distribution function has been used in analysis of the strength of wool, cashmere (white and purple) fibers and compared with polyester and aramid staple fiber We have found that the strength of polyester and aramid staple fiber is close consistent with the twofactor Weibull distribution while the strength of wool and cashmere(white) is consistent with the threefactor Weibull distribution.
    对羊毛、羊绒(白、紫)纤维的强度进行了测试和统计分布拟合,并与涤纶、芳纶短纤维的强度分布进行对比。 分析发现涤纶、芳纶的强度严格符合二参数的Weibull分布,而羊毛、羊绒的强度则符合三参数的Weibull分布。
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    The strength of cashmere(purple) can be expressed by threefactor Weibull distribution or formal distribution. 
    紫羊绒的强度可以用三参数的Weibull分布来表示,也可以用正态分布来表示。
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  three parameters
Further, by using Lagrangian inversion to obtain a number of summation free formulae directly, the various kinds of rooted Halin maps with up to three parameters have been counted.
      
The problem of determining partial values of functions is solved in a graphic representation using the method of successive approximations, by variational selection of three parameters, namely, the height of peak, its position, and half-width.
      
The minimum levels of all three parameters (HR, BPs, and BPd) were increased during the first night shifts, which indicates that the effectiveness of CVS activation in the nighttime was decreased as compared to the daytime.
      
A measuring cell has been designed for fast preparation of multicomponent solutions and express characterization of them in three parameters: their electrical conductivity, optical density, and viscosity.
      
Analysis was performed with different values of three parameters isolated as major ones.
      
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  three-parameter
This paper discusses the interval estimations method for the parameters and other reliability characters of a three-parameter Weibull distribution.
      
The three-parameter Hill's equation, which is used in enzyme kinetics, was shown to be applicable to calibration curves of both potentiometric (glucose, pesticides, urea, etc.) and amperometric (surfactants, biphenyl, etc.) biosensors.
      
Use of a three-parameter family of locally similar velocity profiles in the calculation of turbulent separation regions in a com
      
A method is proposed for calculating two-dimensional leading turbulent separation regions based on the use of integral relations of boundary layer theory and integral characteristics of a three-parameter family of locally similar velocity profiles.
      
At the same time, the results of the transition calculations for ε0 >amp;gt; 0.5% based on the three-parameter turbulence model [3] require experimental verification.
      
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This paper concerns the measurement of adsorption isotherm of several kinds of activated carbon made from different raw materials and of different shape. The measurement was done by means of flow chromatography at the temperature of liquid nitrogen. One point method, B. E. T. three parameters method, layer thickness method and pore model method were used to obtain the specific surface area. The pore size distribution was obtained by using cylinder pore equivalent mcdel calculation. The results indicated that...

This paper concerns the measurement of adsorption isotherm of several kinds of activated carbon made from different raw materials and of different shape. The measurement was done by means of flow chromatography at the temperature of liquid nitrogen. One point method, B. E. T. three parameters method, layer thickness method and pore model method were used to obtain the specific surface area. The pore size distribution was obtained by using cylinder pore equivalent mcdel calculation. The results indicated that all the activated carbon studied had large specific area(>1000m~2/g)and were micropore-rich materials. Micropore volume V_0 and characteristic adsorption energy were calculated with the aid of D-R equation.

采用流动色谱法,在液氮温度下测定不同原料来源和不同外型的几种活性炭的吸附等温线。用一点法、B.E.T三参数法,层厚法,孔模型法计算其比表面。采用圆筒孔等效模型计算孔径分布。研究结果表明:几种活性炭均系比表面大(>1000m~2/g)和微孔发达的物质。根据D-R方程计算微孔体积V_0和特征吸附能E等。

In this paper, a comparison betweenthe forming technology characteristicsof the powdered enamel white aminomoulding compounds made in a chemicalplant in Shanghai and in a resin facto-ry in Tianjin and the granulated aminomoulding compounds from abroad. Anoperation curve for mould temperature-pressure-curing time was induced fromthe experiments, and it was valuable forthe selection and control of formingtechnological conditions.

本文对上海某化工厂、天津某树脂厂的粉状磁白氨基模压料和日本、意大利粒状模压料的成型工艺特性作了对比:上述各种模压料当受温高于117℃之后,固化反应将迅速加快;在试验温度及压力范围内,前两者出现明显的熔体破裂等不稳定流动现象,制件于沸水中的溶失、膨胀、龟裂现象严重,经初步造粒后,流动性及耐沸水性等均有很大改善,以意大利料及制件的情况较佳。试验中归纳出“模温-压力-固化时间”三参数操作曲线,对成型工艺条件的选择控制有一定的实用价值。

An unified model has been proposed in this paper to correlate temperature, pressure and composition dependence for thermal conductivity of dense fluids, especially for liquids. A three parameter model has been derived for pure liquids, which gave the absolute average deviation(AAD) of 0. 26 per cent for 43 substances(443 data points). Then a model containing a temperature independent parameter has been proposed for liquid mixtures to predict thermal conductivities for 43 binary mixtures(869 data points) with...

An unified model has been proposed in this paper to correlate temperature, pressure and composition dependence for thermal conductivity of dense fluids, especially for liquids. A three parameter model has been derived for pure liquids, which gave the absolute average deviation(AAD) of 0. 26 per cent for 43 substances(443 data points). Then a model containing a temperature independent parameter has been proposed for liquid mixtures to predict thermal conductivities for 43 binary mixtures(869 data points) with AAD of 2. 31 per cent, the results obtained are better than those given by Teja and Rice's model. Finally, a five parameter model for dense fluids under high pressures has been obtained which correlated thermal conductivities for 13 subtances( 1064 data points) with AAD of 5. 18 per cent. For comparison, a very complicated model recently proposed by Hildwein and Stephan gave AAD of 7. 34 per cent for 4 substances of known PVT parameters(384 datapoints ).

本文用统一的自由体积模型描述温度、压力和组成对稠密流体,尤其是液体的导热系数的影响。首先,对低压下纯液体的导热系数提出了简单的三参数关联式,对43种纯物质、443个数据点的总平均误差仅为0.26%;在此基础上,提出了液体混合的模型,其参数可视为与温度无关,对43个二元体系,包括含水体系,计869个点的计算误差仅为2.31%,优于被认为较成功的Teja-Rice模型;最后,提出了适用于高压下,包括气液两相的稠密流体的导热系数的关联模型,对13种物质的关联结果令人满意

 
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