Journal of Hubei MinZu University（Natural Sciences Edition） Articles

Articles>Articles Overview

1The Je(s)manowicz Conjecture on Primitive Pythagorean Triplets121-122

2On the Necessary and Sufficient Conditions of Quaternion Normal Matrices123-125

3All Nilpotent Subgroups and Solvable Subgroups of Symmetric Group S5126-128,134

4The Commutator Subgroup of General Linear Group GL (n,Zm)129-130

5The Fractal Dimension and the Fractal Model of Thermal Conductivity in Powder Dispersion's Space of High Velocity Compaction131-134

6Steepest Descent Algorithm on Lie Groups135-140,145

7Dynamic Analysis of a SEIRS Epidemic Model with Constant Vaccination141-145

8Existence of Periodic Solutions for Cohen-grossberg Cellular Neural Networks with Mixed Delays146-150

9An Economic Production Lot-size Model for an Unreliable Production System151-154,182

10The Risk Evaluation of the Enterprises' Mergers155-158

11Extenstion of Computing Primitive Roots of a Finite Field FP2159-161

12Intrinsic Ideals in εn,λ162-163

13Modeling Some Process via Curve Fitting and Verifying the Third Law of Kepler164-166

14Average Distance of Some Circulant Networks167-169

15An Existence Theorem on Even or Odd Periodic Solutions of Nonautonomous Second Order Systems170-172

16Analysis of the Mechanism of the Act of Plasma on the Surface of Material173-178

17Study of Plasma Etch on Deep Trench Silicon Polysilicon179-182

18Propagation of the Hermite Gaussian Beam at the Optical System of the FRFT with Hard Edge Aperture183-186

19Design and Implementation of Multi-point Temperature Measure and Control System in Vegetable Greenhouse187-189

20Optical Frequency Multiplication-A New Kind of Millimeter Wave Generation Method in Optical Domain190-194