查询词典 geometrical vector

A set of deficience recombinant vector had been constructed, which included a universal vector and a cell line expressing constantly capsid protein of poliovirus.

为进一步在技术上发展该系统，一套具有通用性质的缺陷型脊灰重组病毒载体己经构建，并在提供脊灰病毒结构蛋白的技术上做了相应的探讨。

We describe density matrix as a vector in this space,that is,to drawout the vector expression in this space.

我们把密度矩阵描述为该空间中的向量，即给出密度矩阵的向量表示，然后将一系列的纠缠判据纳入到一个清晰的几何框架中。

The vactrix method is further developed, a vectrix Skew-symmetric crossproduct identity is presented and the dyadic form of the derivative of a vector with respect to another vector in terms of vectrix is also offered.

进一步发展了矢阵方法，提出了矢阵叉积算子恒等式及矢量相对于矢量的导数以矢阵表示的并矢形式，并给出了若干应用实例。

Vector pDLBRBNPT contained plant selective marker gene nptⅡ and vector pCDMAR-Hyg contained plant selective marker hygramycin phosphotransferase gene , they fitted to dicotyledon and monocotyledon transformation respectively.

载体pDLBRBNPT含有植物选择标记基因nptⅡ，适合双子叶植物转化；而载体pCDMAR-Hyg的植物选择标记潮霉素磷酸转移酶(Hygramycinphosphotransferase，Hyg)分离，主要用于单子叶植物转化。

Three kinds of plant expressing vector pC1304- CamV35S+ Cbcor15b, pC1304-cold-induced promotor+ Cbcor15b*, pC1304- CamV35S+ Cbcbf for transforming dicotyledon plants was constructed successfully by substituting the report gene of pC1304 with the coding sequence of our destination gene. The recombinant vector was introduced into Agrobacterium tumefaciens with freeze-thaw method. The leaf discs of tobacco plants infected by A. tumefaciens were selected with hygromycin. The regenerated plants were tested by PCR.

在成功的构建pC1304- CamV35S+Cbcor15b，pC1304-冷诱导启动子+Cbcor15b*，pC1304- CamV35S+ Cbcbf三种植物表达载体之后，采用冻融法成功地将重组质粒转化到了根癌农杆菌菌株EHA105中，采用农杆菌介导的烟草叶盘转化法，将荠菜Cbcor15b，Cbcor15b*，Cbcbf，转入模式植物烟草中，在诱导生根后对转基因苗进行了PCR检测。

If the disk is infected with the virus, the memory is read the first part of the virus program, it has been modified after the control of the size of memory space available in high-end memory think of a region, and moved to the first part of the area, and then read on the disk "bad cluster" in the second part of the first part and to put together, so that all proceedings on the presence of the virus in memory of the high-end, and then modify the interrupt vector INT13H or other interrupt vector to the high-end virus program, then you can read the original boot memory and the control over to it to complete the system startup.

如果是染上病毒的盘，读到内存的是病毒程序的第一部分，它得到控制权后修改内存可用空间的大小，在内存高端辟出一块区域，并把第一部分移至该区，接着读入放在磁盘"坏簇"中的第二部分，并和第一部分拼起来，使病毒程序全部驻留在内存的高端，然后修改INT13H的中断向量或其它中断向量，使其向高端的病毒程序，这时即可把原引导程序读到内存中，并把控制权交给它以完成系统的启动。

On this basis, we further analyze the situation of backward wave in anisotropic metamaterials with different dispersion relations, and the angle between wave vector and Poynting vector, and the general conclusion of backward wave propagation are obtained.

在此基础上，进一步分析了几种不同色散曲线关系的各向异性超常材料中倒退波的产生情况，获得了电磁波波矢和坡印亭矢量夹角的具体表达式和倒退波传播的一般性结论。

Applying the vector representation of formula for definite proportional division point in vector algebra,this paper obtains a new useful method of compunction for segment ratio in volume ratio .

利用向量代数中定比分点公式的向量形式，给出了一种非常简明有用的求容积比中线段比的新方法。

The dot product of the ▽operator with a vector defines the divergence of that vector .

算子▽与一个矢量的点积定义为这个矢量的散度。

First, based on Huygens' principle, formulas for double refraction and internal double reflection with different directions of propagation vector and wave vector are given.

虽然对晶体的双折射效应已有大量的研究，但都只关注于单个界面上的双折射双反射，没有适用于多个界面的连续双折射双反射的情况。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。