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纯组分     
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  pure component
     Applying FHVSM model of gas adsorption, taking the adsorption equilibrium of 2 dual gas mixtures as example, the simulation calculation of the adsorption equilibrium for the gas mixtures are completed after the parameters regressing calculation of adsorption isotherms for each pure component.
     文章应用空穴溶液气体吸附FHVSM模型,针对二个二元气体混合物吸附平衡例子,在完成其纯组分吸附等温线的参数回归计算之后,完成了气体混合物吸附平衡模拟计算。
短句来源
     The adsorption model of mixed gas is to calculate the equilibrium adsorbing volume for each component of the mixed gas under the given temperature and pressure by using the adsorption isotherms of pure component or bi-component gas.
     混合气体吸附模型就是应用纯组分或双组分气体吸附等温线,计算在给定温度和压力下混合气体中每一组分的平衡吸附量。
短句来源
     The two-phase equilibrium calculation model with the adsorption phase and freedom gas phase is developed using Flory Hugging Vacancy Solution Model(FHVSM)of gas adsorption. For two samples of dual gas mixture adsorption equilibrium,the adsorption equilibrium simulation calculation is completed after regressing the parameters of the pure component adsorption isotherm.
     应用空穴溶液气体吸附FHVSM模型建立了吸附相与自由气相之间的两相相平衡计算模型,针对二个二元气体混合物吸附平衡例子,在完成其纯组分吸附等温线的参数回归计算之后,完成了气体混合物吸附平衡模拟计算。
短句来源
     The gas mixture adsorption model can be used to calculate the adsorption equilibrium quantity of each component of the gas mixture at certain temperature and pressure by using pure component or bi-component gas adsorption isotherm.
     混合气体吸附模型就是应用纯组分或双组分气体吸附等温线,可计算在给定温度和压力下混合气体中每一组分的平衡吸附量。
短句来源
     It is semi-blind source separation, i.e. only if the number of components is estimated, the spectrum of pure component can be achieved.
     其优点是半盲源分离,即只要确定出重叠峰所含组分的数目,就能从混合波谱中分离出纯组分谱.
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  pure components
     But for the BA43.4-PPO/ PPO blend whose miscibility was unknown, there were two endothermal peaks during the annealing , and the Tg values of the two peaks were very close to those of pure components of BA43.4-PPO or PPO.
     而未知相容性的BA~(43.4)-PPO/PPO在等温退火过程中出现两个吸热峰,此两峰的T_p值随退火时间的变化类似于各纯组分相应条件下的变化.
短句来源
     Adsorbable gases can be separated by porous ceramic membranes under the capillary condensation mechanism of membrane separation, on which prior study was only limited to pure components.
     多孔陶瓷膜在毛细管冷凝传质机理的作用下能够有效地分离吸附性气体。 而毛细管冷凝膜分离传质机理的研究还很不充分,目前,文献报道仅局限于纯组分气体的传质模型研究。
短句来源
     It is found that the internal pressures of the mixtures depend not only on those of two pure components, but on the interaction parameter A12.
     混合物的内压不仅取决于两个纯组分的内压,而且还与相互作用参数A_(12)有关
短句来源
     Moreover, at the ratio of 30/70, tensilestrength of the blend was over either of the two pure components,and theprocessibility was superior to that of LLDPE. LLDPE/LDPE was anmulti-phase blend which is incompatible or showed critical compatibility.
     结果表明,LLDPE/HDPE两组分能以任何配比互混,且配比为30/70时拉伸性能超过了纯组分,加工行为优于LLDPE;
短句来源
     When based on dual wavelength chromatographic data analysis, a new method, namely dual wavelength characteristic information analysis(DWCI), used for the base line correction, determination of number of components and region of pure components signal. Analysis of overlapping cases of every components in the overlapping chromatogram is also proposed.
     基于双波长色谱分析 ,提出了一种新的色谱重叠峰中背景校正、组分数和纯组分信号区确定以及各组分重叠情况的分析方法 ,即双波长特征信息分析 (DWCI)。
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  pure species
     From the adsorption isotherm equations of pure species gases H 2,N 2,CH 4 and CO 2 on activated carbon and 5A zeolite,the predictions for gas solid adsorption equilibrium of complicated components (three and four species) have been made in accordance with the Ideal Adsorbed Solution Theory,and the adsorption isotherm equations of gases under multicomponent condition have also been derived.
     由纯组分气体H2 、N2 、CH4 、CO2 在活性炭和分子筛上的吸附等温方程 ,根据理想吸附溶液理论 ,对复杂组分 (3组分和 4组分 )气固吸附相平衡进行了预测 ,并得到了气体在多组分条件下的吸附等温方程。
短句来源
     A method based on Lennard-Jones molecular potential energy is developed to predict the vapor-liquid equilibria by one γ(?) and critical values of pure species.
     根据Lennard-Jones分子位能函数模型提出由一个端值和纯组分的临界参数预测汽液平衡的方法;
短句来源
  pure substances
     A MODEL FOR CALCULATING VISCOSITY OF HIGH PRESSURE FLUIDS WITH PURE SUBSTANCES/
     纯组分高压流体的粘度模型
短句来源
     The results show that the method can efficiently improve the prediction of the saturated liquid volume of pure substances in the near critical region when combined with PR equation of state, however it is uncertain to improve the prediction of the saturated liquid volume of mixtures.
     结果表明:该方法结合PR方程能有效地改进纯组分近临界液相体积的预测,但不一定能改进混合物液相体积预测;
短句来源
     The nucleus pool boiling of the two-mixture such as glycol-water, ethanol-water, propanol-ethanol was investigated experimentally. The experimental results show that the boiling heat transfer coefficients of these mixtures were lower than the pure substances.
     对乙二醇—水、乙醇—水、丙醇—乙醇几种二元混合物进行了池式沸腾传热实验 ,实验结果表明 :这些二元混合物池式沸腾传热膜系数较其纯组分的低 .
短句来源

 

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  pure component
The description was based on the dynamic equilibrium principle, the isotherm-isobar equation for a chemical reaction, and the volume densities of the thermodynamic activities of the reagents (normalized by the pure component states).
      
The potential of a computational approach for the quantitative resolution of seriously overlapping chromatographic peaks when there is loss of collinearity between the pure component peaks and the mixture peak has been explored.
      
The starting experimental domain is a triangle, each vertex of which is a pure component.
      
Over that time period, a number of different reuse strategies have been tried ranging from pure component reuse to pure generation.
      
A computational approach for the quantitative resolution of overlapping ESCA spectra when there is loss of collinearity between the pure component peaks and the mixture peak, has been developed.
      
更多          
  pure components
Thicknesses of pure components and alloys of variable compositions at various ratios between component concentrations and pulse magnitudes are established.
      
It is found that the maximum temperature at which continuous layers of Ir-Ru deposits can be obtained increases relative to pure components.
      
Ther unknown equilibrium and kinetic parameters of the model and also the spectra of pure components are found from experimental data by the nonlinear least-squares method.
      
A software for the model was developed, and its applicability to the determination of the composition of multicomponent systems, resolution of the spectra of pure components, and determination of equilibrium and kinetic constants was demonstrated.
      
Catalysts on the basis of anion-modified metal oxides for production of ecologically pure components of motor fuels
      
更多          
  pure species
Fishes of the two pure species and the hybrid progeny (direct and reverse hybrids together) were clearly differentiated in the space of principal components I and II.
      
These animals earlier were thought to be "pure" species and formed their own clusters in phylogenetic reconstructions.
      
Although morphological differences between pure species and the hybrids exist, differentiation is not always possible, especially at an early stage (seed or plantlet).
      
The species-specific markers were tested on individual trees of European and Japanese larches of diverse geographic origins and on several seed lots of different origins (F1, F2 hybrids and pure species).
      
These patterns were found in all 197 individuals tested from the two pure species.
      
更多          
  pure substances
Methods are considered of measuring the critical properties TC, PC, and ρC of pure substances and mixtures and the accuracy of these methods.
      
The procedure is given of estimating the effect of small impurities on the accuracy of determination of the critical parameters of pure substances.
      
The density and composition of plasmas in a number of pure substances are calculated numerically.
      
Among pure substances, atoms of iron family metals characterized by the lowest van der Waals interaction energy with graphene islands and a certain energy of chemical bonds with carbon are optimum.
      
The pure substances were: toluene, p-xylene, m-xylene, o-xylene, methylcyclohexane, methylnaphtalene, decahydronaphtalene, phenyldodecane, heptamethylnonane and tetramethylpentadecane (pristane).
      
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  其他


The main relationships of vapor liguid equilibria in this work are obtained from the relationships of copolymerization in the field of polymer chemistry.These relationships make it possible to predict the vapor liquid equilibria of binary,ternary or multiple component systems from the constants which are merely related with the corresponding pure components. These relationships are strictly tested in the following three ways: 1.The predictions of the vapor liquid equilibria of the same“2”“3” binary system from...

The main relationships of vapor liguid equilibria in this work are obtained from the relationships of copolymerization in the field of polymer chemistry.These relationships make it possible to predict the vapor liquid equilibria of binary,ternary or multiple component systems from the constants which are merely related with the corresponding pure components. These relationships are strictly tested in the following three ways: 1.The predictions of the vapor liquid equilibria of the same“2”“3” binary system from the data of“1”“2”and“1”“3”binary systems with the ten different component“1”are in close agreement with each other and are verified by the experimental data. 2.The predictions of vapor liquid equilibria of binary systems com- posed of the different pure component“1”are well agreed with the experi- mental data of several binary systems. 3.The predictions of vapor liquid equilibria of four ternary systems composed of four pure components——carbon tetrachloride,ethyl acetate, benzene and toluene,are well agreed with the experimental data of them.

本工作是将高分子化学领域中研究共聚合反应所获得的关联式,移植到汽液平衡中来,这样便可以从仅与纯组分有关的参数出发,来计算二组分甚至多组分体系的汽液平衡数据。本工作从以下三个方面对这一移植工作进行了严格的考验。1.根据十组不同组分的“1”所构成的“1”“2”和“1”“3”双元系的汽液平衡数据,推算同一“2”“3”双元系的汽液平衡数据,推算结果彼此基本符合一致,且与实测数据符合一致。2.不同组分“1”之间组成的双元系汽液平衡的推算,并与实测数据对比,彼此符合一致。3.对由四个纯组分(四氯化碳,乙酸乙酯,苯和甲苯)互相排列组合组成的四个三元体系的汽液平衡进行了推算,并与这些体系的突测数据进行对比,彼此符合一致。根据以上大量实验数据的考验结果,充分说明了这一移植工作的成功。

Starting from isothermal excess volume data (two or more than two sets), and based on the "pseudo-2-fluid theory", a computation procedure of vapor-liquid equilibrium data is proposed:

从两组或两组以上不同温度的过量体积数据出发,基于“虚拟二液理论”,提出了一套计算汽液平衡数据的程序:(1)求纯组分的特性参数V_i~*,P_i~*和T_i~*(2)求虚拟组分的特性参数V_(im)~*,P_(im)和T_(im)~*(3)求过量焓H~E;(4)求Gibbs过量自由能G~E或其函数Q;(5)求泡点;(6)求汽液平衡数据。 对苯-环己烷、苯-正己烷、苯-正庚烷、苯-正辛烷、四氯化碳-苯、四氯化碳-环己烷及四氯化碳-正庚烷的计算结果,与相应的汽液平衡实验数据比较,并与直接从过量焓求汽液平衡数据的计算结果进行对比,比较满意。因此,本计算程序也可适用于低压下的非极性或弱极性二元系统。

The isobaric vapor-liquid equilibrium data at 760mm Hg of two ternary systems, ethyl acetate-benzene-toluene and carbon tetrachloride-ethyl acetate-benzene, are determined by a modified Colburn equilibrium still. The composition of ethyl acetate-benzene-toluene ternary system is determined from two properties, refractive index (nD20) and normal boiling point, while the composition of carbon tetrachloride-ethyl acetate-benzene ternary system is determined from refractive index (nD20) and density (d425). The experimental...

The isobaric vapor-liquid equilibrium data at 760mm Hg of two ternary systems, ethyl acetate-benzene-toluene and carbon tetrachloride-ethyl acetate-benzene, are determined by a modified Colburn equilibrium still. The composition of ethyl acetate-benzene-toluene ternary system is determined from two properties, refractive index (nD20) and normal boiling point, while the composition of carbon tetrachloride-ethyl acetate-benzene ternary system is determined from refractive index (nD20) and density (d425). The experimental equilibrium data of two ternary systems are correlated by the equation obtained from copolymerization in the field of polymer chemistry with characteristic constants merely related with the corresponding pure components. The results of both two ternary systems are fairly satisfactory.

本文用改进的Colburn汽液平衡釜测定了在760mm汞柱压力下,乙酸乙酯-苯-甲苯和四氯化碳-乙酸乙酯-苯两组三元体系的汽液平衡数据.乙酸乙酯-苯-甲苯三元体系的分析方法采用折光指数(n_D~(20))和正常沸点两种三元物性数据相结合的物理化学分析法,四氯化碳-乙酸乙酯-苯三元体系的组成采用折光指数(n_D~(20))和密度(d_4~(25)两种物性数据相结合的方法.将所测定的两组平衡数据与纯组分的参数有关的关联式计算所得结果进行对比,获得了满意的结果.

 
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