| 1. | Analysis of reflection property of cube - corner retroreflector with vector expression 用矢量方法分析角锥棱镜的反射特性 |
| 2. | 1 . construction of high efficiency expression vectors expression vectors are critical to high efficiency expression of foreign proteins 高效哺乳动物细胞表达载体的构建表达载体对于外源基因的高效表达十分重要。 |
| 3. | From a property of the triangle a vector expression is deduced with two practical corollaries . here two proofs are presented 摘要从三角形的一个性质中得出三质点质心满足的一个向量表达式,并得到两个有实用价值的推论,同时对上一性质给出两个简洁的证明。 |
| 4. | In addition , we also focused on constructing a plant virus - based gene vector pvx to express ltb - st fused gene by means of agroinfection . the possibility of producing vaccine was probed through plant virus - based gene vector expression system 同时本研究还通过构建ltb ? st融合基因pvx病毒表达载体,并用农感染法转化植物,探索了暂态表达系统生产疫苗的可能性。 |
| 5. | The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model 这些成果包括:建立考虑了时间相关的方差矩阵和时空相关的最优插值算法;对卡尔曼滤波算法进行了svd简化以及建立了显式的状态转移矩阵;将t p实时卫星数据进行调和分析并与数值模型进行同化处理。 |
| 6. | Based on the lorentz transformation on especial condition , making use of coordinate transformation and matrix theory , the matrix expression and vector expression of lorentz transformation about two inertial frames that relative speeds orientation is random and isnt follow axes of ordinate are educed . 2figs . , 3refs 从特殊情况下的洛仑兹变换出发,利用坐标变换和矩阵理论,导出了两个惯性系的相对运动速度取向任意,且不沿任一坐标轴洛仑兹变换的矢量表达式和矩阵表达式.图2 ,参5 |
| 7. | The coordinate system of turning polyhedron movement was selected and its vector model was established by way of analyzing the vector , and based on that , the vector expression of describing turning polyhedron movement was deduced , then the vector formula of the relative movement and the vector formula of the path of the lathe tool were built 摘要通过矢量分析,选择了车削多面体运动的标架,建立了车削多面体运动的矢量模型,在此基础上给出了描述车削多面体运动的矢量表达式,建立了相对运动的矢量公式和刀尖轨迹的矢量公式。 |