查询词典 vector-potential

A highly conserved sequence of 210 bp of AtNHX1 gene that encodes a Na+/H+ antiport protein was isolated from A.thaliana,the 210 bp fragment was amplified as RNAi target site and used in construction of RNAi vector,and was inserted into pHANNIBAL as reverted repeat with an intron.The expressional box was linked into the vector of pART27,NPTⅡgene is the screening marker in this vector.

利用RNAi研究植物基因功能，可选择靶基因的一段单一序列使基因家族中的单个成员沉默；也可以选择某一基因家族的多个成员具有的一段同源性很高的保守序列，设计针对这一序列的dsRNA表达载体使多个基因同时沉默，RNAi成为功能基因组学研究的重要手段。

The complexity of vector quantization is reduced by 76 percent by the replacement of calculating of the whole distortion with distortion of a part of components,using the interband correlation,the complexity of motion compensation is diminished considerably by the prediction of motion vector of the other subimages with the motion vector in the lowest frequency subimage.

利用子带间的相关性，通过同方向跨带矢量中部分低频系数分量间失真的计算代替整个失真的计算，将矢量量化器的计算复杂度降低了76‰；通过最低频子图像的运动矢量去预测其余子图像的位移矢量，极大地降低了运动补偿的复杂度。

Went up to undertake discussion to control of vector of asynchronous electric machinery and the interface between 3 n in this foundation, basically fall to vector place the synthesis of vector of fan area and judgement of small triangle area, referenced voltage undertook discussion, gave out to emulate a result.

并在此基础上对异步电机矢量控制和三电平之间的接口进行了讨论，主要对矢量所落扇区及小三角形区域判定、参考电压矢量的合成进行了讨论，并给出了仿真结果。

Second, based on the spherical vector wave function in uniaxial anisotropic medium, and the first, second, third and fourth spherical Bessel functions satisfy the same differential equation and recursive formula. The scattering fields in terms of spherical vector wave function from a uniaxial anisotropic spherical shell and an anisotropic uniaxial-coated conducting sphere by a plane wave are derived. The electromagnetic fields in uniaxial anisotropic medium and free space can be expressed in terms of spherical vector wave functions in uniaxial anisotropic media and isotropic medium.

二、在建立均匀各向异性单轴介质球矢量波函数理论的基础上，利用二阶线性偏微分方程的性质和第一、第二、第三和第四类球Bessel函数满足相同的微分方程和递推关系，我们分别研究了单轴介质球壳和单轴介质涂覆导体球对平面波的电磁散射特性，首先给出了各个区域的电磁场用球矢量波函数来表示的解析表达式，进而利用电磁场在边界上满足电磁场切向连续的边界条件和球谐函数的正交性，得出了各向异性单轴介质球结构中电磁场用球矢量波函数表示的系数所满足的矩阵方程。

Based on combination weighting analysis, fuse invalidation diagnosis technology consists of rule layer importance analysis technology, which includes establishing recurrent step layer, establishing contrast matrix, calculating weighting and checking consistency; security importance analysis technology, which includes establishing contrast matrix, calculating weighting and checking consistency; system combination vector analysis technology, which includes calculating system combination vector and checking system combination vector analysis technology.

作者：李科伟，王新政作者单位：（河南江河机械有限责任公司产品研究所，河南平顶山 467337）摘要：基于组合权重分析的引信失效诊断技术，包括由构造递阶层次、构造成对比较矩阵、计算权重及一致性检验等步骤组成的准则层重要度分析技术；由通过构造成对比较矩阵、计算权重及一致性检验得以完成的安全性重要度分析技术；以及由计算系统组合权向量和系统组合一致性检验两步构成的系统组合权向量分析技术。

Based on combination weighting analysis, fuse invalidation diagnosis technology consists of rule layer importance analysis technology, which includes establishing recurrent step layer, establishing contrast matrix, calculating weighting and checking consistency; security importance analysis technology, which includes establishing contrast matrix, calculating weighting and checking consistency; system combination vector analysis technology, which includes calculating system combination vector and checking system combination vector analysis technology.

作者：李科伟，王新政分类：装备与武器作者单位：（河南江河机械有限责任公司产品研究所，河南平顶山 467337）摘要：基于组合权重分析的引信失效诊断技术，包括由构造递阶层次、构造成对比较矩阵、计算权重及一致性检验等步骤组成的准则层重要度分析技术；由通过构造成对比较矩阵、计算权重及一致性检验得以完成的安全性重要度分析技术；以及由计算系统组合权向量和系统组合一致性检验两步构成的系统组合权向量分析技术。

Based on combination weighting analysis, fuse invalidation diagnosis technology consists of rule layer importance analysis technology, which includes establishing recurrent step layer, establishing contrast matrix, calculating weighting and checking consistency; security importance analysis technology, which includes establishing contrast matrix, calculating weighting and checking consistency; system combination vector analysis technology, which includes calculating system combination vector and checking system combination vector analysis technology.

作者：李科伟，王新政分类：装备与武器上传者：ZCOM网友作者单位：（河南江河机械有限责任公司产品研究所，河南平顶山 467337）摘要：基于组合权重分析的引信失效诊断技术，包括由构造递阶层次、构造成对比较矩阵、计算权重及一致性检验等步骤组成的准则层重要度分析技术；由通过构造成对比较矩阵、计算权重及一致性检验得以完成的安全性重要度分析技术；以及由计算系统组合权向量和系统组合一致性检验两步构成的系统组合权向量分析技术。

By combining the weight vector of all the attributes and the large group preference matrix, an integration evaluation value vector of all the schemes is obtained. From the integration evaluation values in this vector, the ordering result of each scheme is got. The methood solves the problem of multi-attributes and multi-schemes large group decision making better.

将各个属性权重向量和大群体偏好矩阵进行合成，获得各个方案的综合评价值向量，由该向量中的综合评价值得出各方案的综合排序结果，较好地解决了多属性多方案大群体决策问题。

For motor asynchronous vector control system for electrical parameters and load factors such as fluctuations in the deterioration of the problem, design a two-dimensional fuzzy controller as a self-adjusting induction motor vector control system the speed regulator, the induction motor vector Control system not only dynamic and static performance have been improved, but also is robust.

针对异步电机矢量控制系统因电机参数变化和负载波动等因素性能变差的问题，设计了一种二维自调整模糊控制器作为异步电机矢量控制系统的速度调节器，使异步电机矢量控制系统不仅动态和稳态性能都得到提高，而且具有较强的鲁棒性。

Then gives judging the vector linear relevance by the value of determinant, the order of matrix, the solution to uneven sublinear system of equations, Cramer principle, linear substitution, the theory of matrix and so on in the linear space and Ou Shi space, produces 13 equivalences of the vector linearity relevant under the dissimilar condition, and elaborates the widespread application of the vector linearity relevant through concrete examples.

在线性空间、欧氏空间中给出了运用行列式的值、矩阵的秩、齐次线性方程组的解、Cramer法则、线性变换、矩阵理论等知识来判定向量的线性关系，及不同条件下向量线性相关性的十三个等价命题，并通过具体例题阐述向量线性相关性的广泛应用。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。