Journal of Hebei Normal University(Natural Science Edition) 2000 Issue 4 Study of the Population Dynamics Changes of the Benficial and Injurious Living Beings on the Field of Bt Cotton-33 B

Study of the Population Dynamics Changes of the Benficial and Injurious Living Beings on the Field of Bt Cotton-33 B
ZHANG Quan-li;LI Shuang-yue;CHEN Zhe;FU Hua-cun;YANG Yan-jie

..............page:521-523

The Effects of Electrostatic Discharge on Arterial Pressure in Rabbits
CUI Geng-yin;WU Zhan-cheng;GAO Zhi-guo;BAI Wen-zhong;GUAN Zhen-long

..............page:524-525,530

The Survey of Study of the Biological Mechanism of Humic Acid Formation
BIAN Wen-hua

..............page:526-530

Improvement of the Synthetic Method for Pigment Copper Phthalocyanine
LI Xue-ping;QIN Mei-su

..............page:531-532

Purification of Zea SDH
XIA Yu-feng;SUN Xin-li;FENG Xiao-yan;WANG You-ai

..............page:519-520,532

Preparation of N,N-dimethyl Formamide Diisopropyl Acetal
ZHANG Ping;SONG Wei-ping;WANG Zhao-yu

..............page:518-518

Technical Advances in the Synthesis of Aromatic Nitriles
HAN Jian-rong;ZHEN Xiao-li;KANG Ru-hong

..............page:513-517

Preparations and Applications of Ultrafine ZnO Powders
CHENG Jing-quan;YAN Hui-juan;WEI Yu

..............page:509-512

Progress of Study on Asymmetric Epoxidation of Unfunctionalized Olefins
ZU Feng-hua;LIU Yan-qin;HAN Shi-tian

..............page:503-508

Determine the Seedvax Content in the Potential Titration
ZHU Jian-jun

..............page:501-502,508

Development of Study on Porphyrins in Medicine
QIU Hong;LIU Yan-qin;HAN Shi-tian

..............page:497-500

Calculating the Molar Refraction of Alkyne Using the Group Bond Contribution Method
WANG Ke-qiang;SUN Xian-zhong

..............page:493-496

Study on the Synthesis of Butyl Isobutyrate Catalyzed by Amidosulphonic Acid
WANG Hong

..............page:491-492

The Catalytic Synthesis of Isoamyl Hexanoate by TiO2/SO42- Solid Superacid
LIU Hua-ting

..............page:489-490,500

Recycling of Au/ODT Monolayer in the Process of Preparing Au/ODT-PC Bilayer
GUO Min;WANG Xin;DIAO Peng;TONG Ru-ting

..............page:485-488

The Law of Conservation of Mechanical Energy Satisfies Relativity Principle of Mechanics
LIU Ming-cheng;ZHAO Wen-qiang

..............page:481-484

Higher-Order Correlations in Sping-Glass Models of Neural Net
TANG Shu-bian

..............page:479-480,488

The Capability of MAX456 and Application in the System of Video Switch Matrix
WANG Li-jin

..............page:475-478

A Method of Measuring the Low Resistances with Direct Current Potentiometer
MA Rui-xia;LIANG Xiu-lan

..............page:473-474,484

On the Rationality of the Definition of Singificant Digits
SONG Wei-cai;YANG Xi-dong

..............page:469-472

Calactic Chemical Evolution of Primary Metal Elements:an Analytical Model
DU Cui-hua;ZHANG Bo

..............page:465-468

Dual-phase Nanocrystalline Isotropy Bonded Magnets was Ameliorated by Preparation Technology for Influence of Coercivity
ZHU Ming-gang;LI Xiu-mei;DONG Sheng-zhi;LI Wei

..............page:462-464

Structure and Magnetic Properties of the α″-Fe16N2 Thin Films by FTS
XU Ying-Hua;JIANG En-yong;HOU Deng-lu

..............page:459-461

The Radon-Nikodym Theory of Set-valued Measures
XU Jin-hong

..............page:421-423

The Oscillation Criteria for a Kind of Neutral Delay Differential Equation
GU Li-yan

..............page:424-426

Forced Oscillation of Delay Difference Equation
YANG Yu-hua

..............page:427-429

The Plemelj Formula for Generalized Analytic Functions of Double Complex Variables
YANG He-ju;XIE Yong-hong

..............page:430-433

Uniqueness in Simultaneous Approximation in Banach Space
LI Jin-shan;YANG Hong-qiang

..............page:434-435

The Extended Systems of a Class of Bifurcation Problems
WANG He-yuan

..............page:436-438

A Superlinear Convergence of New Modified Q-N Method
HOU Jian-wen;ZHANG Hai-bin

..............page:439-440

Two Infinite Families of 2-A'da'm Self-complement Directional Circular Networks
SUN Shui-ling

..............page:441-443,447

On Laws of Large Numbers for the Sequence of Arbitrary Random Variables
ZHANG Li-na;WANG Shu-yun

..............page:444-447

Forecasting Programmable Switchboard Capacity with Logistic Model
WANG Hong-guo

..............page:448-450

Study of the Equivalent 1D Potential of Excitions in Quantum Well Wires
LI Wen-xia;LIU Jian-jun;LI You-cheng

..............page:451-454

Giant Magneto-impedance in Fe63.5Cr10Cu1Nb3Si13.5B9 Amorphous and Nano-crystalline Alloys
LI Yin-feng;YIN Shi-zhong;ZHAO Shuang-yi;FENG Su-qin;VAZQUEZ M

..............page:455-458,468

The Effect of Some Reagents on the Fresh-maintaining Efficiency of Persimmon
QI Zhi-guang;WANG Li-an

..............page:533-535,551

The Application of Numerical Value Model in the Evaluating and Exploiting the Ground Water Resources in Yinchuan Municipality
LU Jing;ZHANG Qin

..............page:536-539

Application of Geographical Information System to Environmental Noise Division
LIU Jin-song

..............page:540-543

The Influence on the Environment and Its Tientment Policies of the Development of Coal Resource --takes Xiazhuang Coal Mine of Shandong province as an example
WANG Jing-ping

..............page:544-547

The Shallow Discussion of the Development of Geography in Knowledge Economy Era
ZHANG Zhao;LIU Jie;ZHANG Li

..............page:548-551

The Analysis of Present Situation of Chinese Medicine's Effects on Relieving Sprots Fatigue
LIU Yu-qian;ZHAO Bin

..............page:552-554

Amino Acid Metabolism,Brain Neurotransmitter and Exercise-induced Central Fatigue
HUANG Zhi-hui

..............page:555-557,560

The Study of Developing Quality Education on Callithenic Course Teaching
LIN Ping

..............page:558-560