Our general mechanization method of polynomial equations-solving is applied to the chemical equilibrium problem. A concrete case is analyzed and discussed in details.
04001 The Absolute Measurement of the Ampereby NMR Method. Qiao Weichuan: 1 (1). 1980. pp.2--15.This paper describes the principle, apparatus. experi-mectal procedure and uncertainties of theabsolute measurement of th...04001 The Absolute Measurement of the Ampereby NMR Method. Qiao Weichuan: 1 (1). 1980. pp.2--15.This paper describes the principle, apparatus. experi-mectal procedure and uncertainties of theabsolute measurement of the ampere by nuclearmagnetic resonance method. A conversion factor be-展开更多
07001 Unfolding Whole Energy Range NeutronSpectrum from Activation Data by Nonlinear Programm-ing Method. Jiang Hongdi:1(4), 1980. pp.241--248.This paper introduces a new method in which nonlinearprogramming is applie...07001 Unfolding Whole Energy Range NeutronSpectrum from Activation Data by Nonlinear Programm-ing Method. Jiang Hongdi:1(4), 1980. pp.241--248.This paper introduces a new method in which nonlinearprogramming is applied to determine the whole energyrange neutron spectrum from the activation data. Ac-cording to the different measuring condition. a set展开更多
13001 A Multiplex Data --acquisition and Data-processing System Using a Microprocessor. XiaXuesheng, Zhang Xianan: 2(2). 1981. pp.105--116.Through a study of an auiomatic--testing and da-ta--processing system for the ...13001 A Multiplex Data --acquisition and Data-processing System Using a Microprocessor. XiaXuesheng, Zhang Xianan: 2(2). 1981. pp.105--116.Through a study of an auiomatic--testing and da-ta--processing system for the properties of hydraulic ele-ments. e, g. oil pump and oil motor. this展开更多
11001 Iodine Saturated Absorption StabilizedHe--Ne Lasers. Shen Naicheng. Wu Yaoxiang, SunYimin, An Jialuan. Wang Chu: 1(2). 1980. pp.93--101This report describes the construction and operation ofan iodine saturated a...11001 Iodine Saturated Absorption StabilizedHe--Ne Lasers. Shen Naicheng. Wu Yaoxiang, SunYimin, An Jialuan. Wang Chu: 1(2). 1980. pp.93--101This report describes the construction and operation ofan iodine saturated absorption stabilized He--Ne laserat NIM. and the results of the measurements of the fre-quency Stability and reproducibility.The frequency stabil-展开更多
05001 On the Reflection Coefficient Expressed inTerms of the Conjugate Impedances. Huang Zhixun:1(1). 1980. pp.63--76.This paper discusses the power waves and theirapplications. These waves are related to the availabl...05001 On the Reflection Coefficient Expressed inTerms of the Conjugate Impedances. Huang Zhixun:1(1). 1980. pp.63--76.This paper discusses the power waves and theirapplications. These waves are related to the availablepower of the generator. The reflection coefficient ofthe power waves is different from the conventionaltravelling waves. and it can lead to more precisethinking and measurements. Using this theory. we ex-展开更多
Importance of the bag skzn effect to determ-ine the parconeters of the Frzedberg-Lee model is pointed out.The European Muon Collaboration(EMC)effect regarded as a bag skin effect can be used to determine the parcanete...Importance of the bag skzn effect to determ-ine the parconeters of the Frzedberg-Lee model is pointed out.The European Muon Collaboration(EMC)effect regarded as a bag skin effect can be used to determine the parcaneters of this model.展开更多
A potentiometric study on the complexes of His,Gly-His,ALa-His,Gly-Gly and Gly—Gly—Gly with Zn(Ⅱ)and Cd(Ⅱ)has been reported.Small-scale potentiometric titrations were car- ried out to determine stabil ity constant...A potentiometric study on the complexes of His,Gly-His,ALa-His,Gly-Gly and Gly—Gly—Gly with Zn(Ⅱ)and Cd(Ⅱ)has been reported.Small-scale potentiometric titrations were car- ried out to determine stabil ity constants of complexes at 25℃ with I=0.10 mol dm^(-3)(KNO_3).The com- puter programs SUPERQUAD were applied for data treatment with satisfactory results.展开更多
IntroductionThis paper presents a time-domain synthesis method for determiningthe topological structure and components parameters of breaking-capacity testing circuits according to transient recovery voltage (TRV) re-...IntroductionThis paper presents a time-domain synthesis method for determiningthe topological structure and components parameters of breaking-capacity testing circuits according to transient recovery voltage (TRV) re-quirements specified by IEC standards.Composition of testing circuits,therefore,could rely on theoretical analysis,not mainly on physicalconcept and experience as before.Breaking-capaciiy testing is a dynami-cal process which should supply suitable breaking current related to ratedbreaking current and TRV complying with standard requirements,It hasgreat influence on synthesis of testing circuits,because the structure andcomponent parameters of circuits are determined not only by展开更多
As the development of the net-work,the rapidly increasingcharging reactive power caused by the con-struction of EHV long distance transmissionlines,especially the commissioning of 500kV transmission lines in many larg...As the development of the net-work,the rapidly increasingcharging reactive power caused by the con-struction of EHV long distance transmissionlines,especially the commissioning of 500kV transmission lines in many large powersystems,has been a problem to be solved.At the same time,a number of power ca-pacitors are installed in the distribution展开更多
920691 The determination of serum hepa-titis B virus DNA by polymerase chain rea-ction in hepatitis B patients treated withalpha-interferon. XU. Jianye(徐建业), et al.Centr Lab, Chongqing Cancer Instit, 630030.Chin J ...920691 The determination of serum hepa-titis B virus DNA by polymerase chain rea-ction in hepatitis B patients treated withalpha-interferon. XU. Jianye(徐建业), et al.Centr Lab, Chongqing Cancer Instit, 630030.Chin J Intern Med, 1992; 31(5): 278-280. To clarify the status of HBV in serum展开更多
This paper analyzes a combined method with artificial compression for solving thethree-dimensional evolutionary Navier-Stokes equations with periodic and no-slipboundary condition.A Fourier pseudospectral method with ...This paper analyzes a combined method with artificial compression for solving thethree-dimensional evolutionary Navier-Stokes equations with periodic and no-slipboundary condition.A Fourier pseudospectral method with a control operator is used inthe periodic direction and a standard finite element method in the two others.The gener-alized stability of the scheme and optimal rate of convergence of the velocity in L^2-normare proved on the assumption that the BB condition of the fiinite element approximation forthe two-dimensional Stokes equations is satisfied.展开更多
In this paper, the authors discuss a kind of discontinuous initial value problems for the system of one-dimensional isentropic flow and prove the existence or nonexistence of global discontinuous solutions only contai...In this paper, the authors discuss a kind of discontinuous initial value problems for the system of one-dimensional isentropic flow and prove the existence or nonexistence of global discontinuous solutions only containing one shock in a class of piecewise continuous and piecewise smooth functions. As applications, various interaction problems of a typical shock with a rarefaction wave are considered.展开更多
I.INTRODUCTION Electron Spin Resonance (ESR) is a relatively new dating technique for the Qua-ternary and archaeological materials. Recently, it has been developed rapidly. Up to 1982 there were 23 labs in the world w...I.INTRODUCTION Electron Spin Resonance (ESR) is a relatively new dating technique for the Qua-ternary and archaeological materials. Recently, it has been developed rapidly. Up to 1982 there were 23 labs in the world where ESR dating was studied. However, it展开更多
文摘Our general mechanization method of polynomial equations-solving is applied to the chemical equilibrium problem. A concrete case is analyzed and discussed in details.
文摘04001 The Absolute Measurement of the Ampereby NMR Method. Qiao Weichuan: 1 (1). 1980. pp.2--15.This paper describes the principle, apparatus. experi-mectal procedure and uncertainties of theabsolute measurement of the ampere by nuclearmagnetic resonance method. A conversion factor be-
文摘07001 Unfolding Whole Energy Range NeutronSpectrum from Activation Data by Nonlinear Programm-ing Method. Jiang Hongdi:1(4), 1980. pp.241--248.This paper introduces a new method in which nonlinearprogramming is applied to determine the whole energyrange neutron spectrum from the activation data. Ac-cording to the different measuring condition. a set
文摘13001 A Multiplex Data --acquisition and Data-processing System Using a Microprocessor. XiaXuesheng, Zhang Xianan: 2(2). 1981. pp.105--116.Through a study of an auiomatic--testing and da-ta--processing system for the properties of hydraulic ele-ments. e, g. oil pump and oil motor. this
文摘11001 Iodine Saturated Absorption StabilizedHe--Ne Lasers. Shen Naicheng. Wu Yaoxiang, SunYimin, An Jialuan. Wang Chu: 1(2). 1980. pp.93--101This report describes the construction and operation ofan iodine saturated absorption stabilized He--Ne laserat NIM. and the results of the measurements of the fre-quency Stability and reproducibility.The frequency stabil-
文摘05001 On the Reflection Coefficient Expressed inTerms of the Conjugate Impedances. Huang Zhixun:1(1). 1980. pp.63--76.This paper discusses the power waves and theirapplications. These waves are related to the availablepower of the generator. The reflection coefficient ofthe power waves is different from the conventionaltravelling waves. and it can lead to more precisethinking and measurements. Using this theory. we ex-
文摘Importance of the bag skzn effect to determ-ine the parconeters of the Frzedberg-Lee model is pointed out.The European Muon Collaboration(EMC)effect regarded as a bag skin effect can be used to determine the parcaneters of this model.
文摘A potentiometric study on the complexes of His,Gly-His,ALa-His,Gly-Gly and Gly—Gly—Gly with Zn(Ⅱ)and Cd(Ⅱ)has been reported.Small-scale potentiometric titrations were car- ried out to determine stabil ity constants of complexes at 25℃ with I=0.10 mol dm^(-3)(KNO_3).The com- puter programs SUPERQUAD were applied for data treatment with satisfactory results.
文摘IntroductionThis paper presents a time-domain synthesis method for determiningthe topological structure and components parameters of breaking-capacity testing circuits according to transient recovery voltage (TRV) re-quirements specified by IEC standards.Composition of testing circuits,therefore,could rely on theoretical analysis,not mainly on physicalconcept and experience as before.Breaking-capaciiy testing is a dynami-cal process which should supply suitable breaking current related to ratedbreaking current and TRV complying with standard requirements,It hasgreat influence on synthesis of testing circuits,because the structure andcomponent parameters of circuits are determined not only by
文摘As the development of the net-work,the rapidly increasingcharging reactive power caused by the con-struction of EHV long distance transmissionlines,especially the commissioning of 500kV transmission lines in many large powersystems,has been a problem to be solved.At the same time,a number of power ca-pacitors are installed in the distribution
文摘920691 The determination of serum hepa-titis B virus DNA by polymerase chain rea-ction in hepatitis B patients treated withalpha-interferon. XU. Jianye(徐建业), et al.Centr Lab, Chongqing Cancer Instit, 630030.Chin J Intern Med, 1992; 31(5): 278-280. To clarify the status of HBV in serum
基金Projects supported by the Youth Science Foundation of Shanghai.
文摘This paper analyzes a combined method with artificial compression for solving thethree-dimensional evolutionary Navier-Stokes equations with periodic and no-slipboundary condition.A Fourier pseudospectral method with a control operator is used inthe periodic direction and a standard finite element method in the two others.The gener-alized stability of the scheme and optimal rate of convergence of the velocity in L^2-normare proved on the assumption that the BB condition of the fiinite element approximation forthe two-dimensional Stokes equations is satisfied.
基金This research is supported by the National Natural Science Foundation of China and by a TWAS Research Grant under Contract No. 87-93.
文摘In this paper, the authors discuss a kind of discontinuous initial value problems for the system of one-dimensional isentropic flow and prove the existence or nonexistence of global discontinuous solutions only containing one shock in a class of piecewise continuous and piecewise smooth functions. As applications, various interaction problems of a typical shock with a rarefaction wave are considered.
文摘I.INTRODUCTION Electron Spin Resonance (ESR) is a relatively new dating technique for the Qua-ternary and archaeological materials. Recently, it has been developed rapidly. Up to 1982 there were 23 labs in the world where ESR dating was studied. However, it