查询词典 vector component

Secondly, the vector control theory,the kinematics model and the sinusoidal space vector Pulse-Width-Modulation control technology were analyzed dividually, and then the mathematic simulation model of the servo system of PMSLM was built.

其次，综合运用电机控制理论和计算机仿真技术，分别对永磁同步直线电机的矢量控制原理、运动力学模型以及电压空间矢量脉宽调制技术进行分析，搭建了永磁同步直线电机伺服控制系统的数学模型。

According to the classical signal transduction pathway of estrogen, we use Luciferase reporter gene to screen phytoestrogen form Selaginella tamariscina, Pinus massoniana Lamb, Corallodiscus flabellate, Dryopteris sublaeta Ching et Hsu and Leonurus heterophyllus. In this study,the pβgal-Control vector, the pERE-TAL-luc vector, the pCNX2-hERα/pCNX2-hERβvector were transfected into HEK293 cell line. If the components in the herbs combine with the ER, then it could induce the expression of reporter gene controlled by ERE.

根据体内的雌激素信号转导途径，我们选用了以luc为报告基因、ERE为调控序列的重组报告基因载体pERE-TAL-luc，并将其与重组人ERα(humanERα，hERα)表达载体pCXN2-hERα和重组人ERβ(humanERβ，hERβ)表达载体pCXN2-hERβ共转染ER阴性细胞系，建立了靶向ERα或ERβ的细胞水平药物筛选模型，结合小鼠子宫增重实验，对卷柏、松针、益母草、石胆草及贯众等5种中药的植物雌激素作用进行了研究，以期为临床防治更年期综合症等提供准确、科学的实验基础。

MATERIALS: Human umbilical vein endothelia cell, pMD-18T vector and pcDNA3 vector.

材料：人脐静脉内皮细胞、pMD-18T载体及pcDNA3载体。

Existing plasmids and inherited materials are used to construct expression vector pZMW which could be integrated into S. erythraea chromosome and multi-copy expression vector pZM.

本实验室利用现有的质粒和遗传材料，构建了糖多孢红霉菌染色体整合型表达载体pZMW和游离型多拷贝表达载体pZM。

The multi-copy expression vector pZM is a shuttle plasmid which can replicate in Escherichia coli, Streptomyces and S. erythraea. It contains PermE promoter, fd terminator, multiple clone site, thiostrepton and ampicillin resistance genes, and ColE1 ori and pJV1 ori replicons which make the vector replicate in E.

游离型多拷贝表达载体pZM是可以在大肠杆菌、链霉菌和糖多孢红霉菌中扩增的穿梭型质粒，带有PermE启动子、fd终止子、多克隆位点、硫链丝菌肽和氨苄青霉素抗性基因以及在大肠杆菌和糖多孢红霉菌中复制的ColE1 ori和pJV1 ori复制子，载体大小9880bp。

The main contributions are as follows:(1) The decoherence suppression of N level Markovian systems is investigatedby the optimal control in the coherence vector representation. The N level Markoviansystem can be described by the master equation, and possesses a standard bilinear formin the coherence vector representation.

本论文利用密度矩阵相干向量表示研究了退相干效应的抑制和相应的纠缠控制问题，论文主要工作包括：(1)在密度矩阵相干向量表示下，利用最优控制研究N能级Markov系统的退相干抑制问题。N能级Markov系统可以用主方程模型描述，在相干向量表示下具有标准的双线性形式。

The fusion expression vector and the non-fusion expression vector were constructed by the open reading frame of annfaf expressed specifically in strawberry Fragaria ananassa Duch.

将草莓？穴Fragaria ananassa Duch。？雪果实中特异表达的膜联蛋白基因annfaf的cDNA连接重组到pET-30a质粒中，构建了融合和非融合蛋白表达载体。annfaf 基因转化大肠杆菌E。

Results Established prostate cancer cell lines are eventually infectible by adenoviral vector. The ratio of vector/cell at which infection occurs depends on the specific cell line.

结果腺病毒载体可以转染所有已建立的前列腺癌细胞株，但是每种细胞株转染所要求的载体浓度以及暴露时间不同。

In this study, insect-resistant cry1Ah gene and glyphosate-toleranct 2mG2-epsps gene was used to construct an insect-resistant/glyphosate-tolerance bivalent plant expression vector, glyphosate isopropylamine salt as a screening agent, 2mG2-epsps gene as a selectable maker gene, the vector was transfer into maize immature embryonic calli by microprojectile bombardment, 80 T0 transformed plants were obtained.

本研究利用抗虫基因cry1Ah和耐草甘膦基因2mG2-epsps构建了双价植物表达载体，通过基因枪轰击转化玉米，以2mG2-epsps为筛选标记基因，以草甘膦异丙胺盐作为筛选剂，获得到了抗性较好的T0代转化植株80株。

A trivalent plant expression vector containing Bt cry1Ah gene, cry1Ie gene and glyphosate-tolerant 2mG2-epsps gene was constructed, glyphosate isopropylamine salt as a screening agent, 2mG2-epsps gene as a selectable maker gene. The vector was transfer into maize immature embryonic calli by microprojectile bombardment, and 69 T0 generation plants were obtained. PCR analysis showed that 17 plants had the integration of insect-resistant cry1Ah, cry1Ie gene and glyphosate-tolerance 2mG2-epsps gene.

同时构建了含有Bt cry1Ah和cry1Ie基因和耐草甘膦2mG2-epsps基因的三价植物表达载体，通过基因枪轰击法转化玉米愈伤组织，以2mG2-epsps为筛选标记基因，以草甘膦异丙胺盐作为筛选剂，获得T0代转化植株69株，PCR检测结果表明：有17株已完整的整合有抗虫基因cry1Ah、cry1Ie和耐草甘膦基因2mG2-epsps的3个目的基因，RT-PCR分析外源基因可以正确转录，已获得结实转基因植株。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。