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differential approach
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  差值法
     A novel quantum Monte Carlo(QMC) differential approach was proposed, which can be used to directlycompute the energy difference between two systems on the basis of accurate fixed-node QMC algorithm, allowing the statistical error in the order of 10-5 hartree and the electron-correlation energy over 90% for the computation results.
     提出了精确固定节面量子MonteCarlo差值法,这个新算法能够在精确固定节面量子MonteCarlo方法的基础上直接计算两个体系之间的能量差,且使计算结果的统计误差达到10-5hartree数量级,获得电子相关能90%以上.
短句来源
     A differential approach for self optimizing diffusion quantum Monte Carlo calculation was proposed in this paper, which is a new algorithm combining with three techniques such as optimizing, diffusion and correlation sampling.
     提出了自优化扩散量子 Monte Carlo差值法 ,这是一个集优化、扩散和相关取样三项技术于一身的 Monte Carlo新算法 .
短句来源
  差分法
     Finite differential approach to do schrdinger equation
     用有限差分法解薛定谔方程
短句来源
     Finite Differential Approach in Optimizing Sintering of Ceramic Tiles
     有限差分法在陶瓷瓦烧结过程优化控制中的应用
短句来源
     We analyse the common radial and time Schrdinger equation using finite differential approach, get dispersion equations of two kinds of Schrdinger equation by finite differential approach .
     对普通的径向薛定谔方程和含时的薛定谔方程进行了有限差分法的分析,给出了两种薛定谔方程的有限差分法的离散方程。
短句来源
     Temperature distribution of ceramic tiles during sintering is analysed by finite differential approach,it is shown that big temperature difference is obtained as long as a basic model is employed,which is in accordance with the experimental results.
     采用有限差分法分析了陶瓷瓦在烧结过程中的温度均匀性,计算结果表明:采用基本模型在烧结过程中温度分布不均匀,与实验结果相符;
短句来源
  “differential approach”译为未确定词的双语例句
     Finite Differential Approach to the Radial Schrodinger Equation
     径向薛定谔方程的有限差分解法
短句来源
     Application of the Choke-Pressure Differential Approach in Steam-Flow Metering
     油嘴-压差法在计量蒸汽流量中的应用
短句来源
     Application of Fractional Differential Approach to Digital Image Processing
     将分数阶微分演算引入数字图像处理
短句来源
     The results indicated that: 1) the model developed by NIR spectra processed with second differential approach had the highest correlation coefficient, and the lowest relative deviation;
     结果表明:①二阶微分处理光谱建立的模型的相关系数比基线校正、去卷枳、一阶微分预处理法建立的模型的高,而其相对偏差比基线校正、去卷枳、一阶微分法的低;
短句来源
     Calculations of Dissociation Energies of Diatomic Molecules Using Finite Differential Approach
     有限差分法计算双原子分子的离解能
短句来源
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  differential approach
Based on the differential approach and following a review of previous models, the importance of natural convection or buoyancy driven phenomena is underscored.
      
Generic similarities and differences between the discrete approach and the differential approach are clearly revealed through a parallel development of an analogous motion estimation theory previously explored in Vieville, T.
      
A differential approach to the repeated prisoner's dilemma
      
Using survey data collected in Madison, Wisconsin, in 1973, we test the integrative differential approach against and controlling for its classic competitors and find it to be a more powerful, independent predictor of protest orientation.
      
The first algorithm is based on a differential approach using the method of discrete orthogonalization, and the second one-on the finite element method with linear local approximation in the meridional direction.
      
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In this study, 50 cases of viral myocarditis and 70 cases of KE SHAN disease admitted from March 1980 to March 1981 were analysed. There were marked diffrences between the two groups in light of sero-enzyme and echocardiogram as well as clinical manifestations on rocntgenogram and electrocar- diogram. The changes of sero-enzyme activity in viral myocarditis were closely related to its course. The total activities of lactic dehydrogenase (LDH) and creatine phosphkinase (CPK) were elevated and the ratio of LDH1/LDH2...

In this study, 50 cases of viral myocarditis and 70 cases of KE SHAN disease admitted from March 1980 to March 1981 were analysed. There were marked diffrences between the two groups in light of sero-enzyme and echocardiogram as well as clinical manifestations on rocntgenogram and electrocar- diogram. The changes of sero-enzyme activity in viral myocarditis were closely related to its course. The total activities of lactic dehydrogenase (LDH) and creatine phosphkinase (CPK) were elevated and the ratio of LDH1/LDH2 was greater than 1 within 15 days after onset. These findings showed a decrease when the course prolonged. The main changes of echocardiogram were diminished movements of left ventricular posterior wall (LVPW) and ventricular septum (VS), enlargement of left ventricular internal diameter (LVID) and slight diminution of left ventricular eject fraction (LVEF) and shortening percentage of left ventricular short axis (LV△D%) The changes of total activity of sero-enzyme in KE SHAN disease varied with its severity. In severe ane acute cases, the total activities of SLDH and SCPK were elevated and the ratio of LDH1/LDH2 was greater than 1 The echocardiographic changes were significant enlargement of the internol diameter of all cardiac activities, thinning and diminished movements of LVPW and VS, decreased opening amplitude of anterior leaflet of mitral and marked decrease of LVEF and LV△D%. It was concluded that the sero-enzymology and echocardiography were very important and practical examinations and their use should be regarded as a diagnostic and differential approach to viral myocarditis and KE SHAN disease.

在大量实验室工作及临床研究的基础上,论述了病毒性心肌炎与克山病诊断和鉴别诊断的条件,重点讨论了血清酶学和超声心动图在二者诊断和鉴别诊断上的价值,认为二者不仅临床表现、X线、心电图不同,血清酶学和超声心动图检查亦有显著不同,病毒性心肌炎和克山病是病因不同的两种疾病。

In this study, 50 cases of viral myocarditis and 70 cases of KE SHANdisease admitted from March 1980 to March 1981 were analysed. There weremarked diffrences between the two groups in light of sero-enzyme and echoca-rdiogram as well as clinical manifestations on roentgenogram and electrocar- diogram. The changes of sero-enzyme activity in viral myocarditis were closelyrelated to its course. The total activities of lactic dehydrogenase (LDH) andcreatine phosphkinase (CPK) were elevated and the ratio of LDH1/LDH2...

In this study, 50 cases of viral myocarditis and 70 cases of KE SHANdisease admitted from March 1980 to March 1981 were analysed. There weremarked diffrences between the two groups in light of sero-enzyme and echoca-rdiogram as well as clinical manifestations on roentgenogram and electrocar- diogram. The changes of sero-enzyme activity in viral myocarditis were closelyrelated to its course. The total activities of lactic dehydrogenase (LDH) andcreatine phosphkinase (CPK) were elevated and the ratio of LDH1/LDH2 wasgreater than 1 within 15 days after onset. These findings showed a decreasewhen the course prolonged. The main changes of echocardiogram were diminishedmovements of left ventricular posterior wall (LVPW) and ventricular septum(VS), enlargement of left ventricular internal diameter (LVID) and slightdiminution of left ventricular eject fraction (LVEF) and shortening percentageof left ventricular short axis (LVΔD%) The changes of total activity of sero-enzyme in KE SHAN disease variedwith its severity. In severe ane acute cases, the total activities of SLDH andSCPK were elevated and the ratio of LDH1/LDH2 was greater than 1 The echo-cardiographic changes were significant enlargement of the internol diameter ofall cardiac activities, thinning and diminished movements of LVPW and VS,decreased opening amplitude of anterior leaflet of mitral and marked decreaseof LVEF and LVΔD%. It was concluded that the sero-enzymology and echocardiography werevery important and practical examinations and their use should be regarded asa diagnostic and differential approach to viral myocarditis and KE SHANdisease.

在大量实验室工作及临床研究的基础上,论述了病毒性心肌炎与克山病诊断和鉴别诊断的条件,重点讨论了血清酶学和超声心动图在二者诊断和鉴别诊断上的价值,认为二者不仅临床表现、X线、心电图不同,血清酶学和超声心动图检查亦有显著不同,病毒性心肌炎和克山病是病因不同的两种疾病。

Cooney et al. supplied a new and convenient way to solve the eigenproblem interms of introducing finite differential approach.This approach is available both for tlie po-tentials witli analytical forms and for those without analytical forms. Since the eigenequationusing this approach is tridiagonal,the calculating accuracy can be increased easily in terms ofincreilsing the numbers of separated points. We calculated the problems witli the harmonicoscillator and non-hrmonic oscillator potentials。The...

Cooney et al. supplied a new and convenient way to solve the eigenproblem interms of introducing finite differential approach.This approach is available both for tlie po-tentials witli analytical forms and for those without analytical forms. Since the eigenequationusing this approach is tridiagonal,the calculating accuracy can be increased easily in terms ofincreilsing the numbers of separated points. We calculated the problems witli the harmonicoscillator and non-hrmonic oscillator potentials。The results sliow that this approach is ef-fective and mayhve wider application to actual problems.

本文应用有限差分法对谐振子势与非谐振子势进行了计算。结果表明,该方法具有广泛的应用前景。

 
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