查询词典 chain coupling

The drive head consists mainly of the drive frames, drive units, including the electric motor, gearbox, fluid coupling, and chain sprockets.

使硬盘磁头主要驱动框架，驱动单位，包括电机，变速箱，液力偶合器，链条链轮。

This paper presents a theoretical model for the control rod drive mechanism for the 10－MW High Temperature Gas Cooled Reactor (HTR-10) and analyzes accidents which may occur in the drive mechanism, for example, chain break, coupling damage and other damage scenarios.

针对10－MW高温气冷堆(HTR-10)控制棒传动机构可能出现的事故隐患——链条断裂、联轴器键损坏现象，建立了其传动机构的理论分析模型，进行了能量分析。

With the deepening of hydrophobic modification,the dispensability of modified starch in organic solvent liquid paraffin is markedly enhanced. The particle shape changes from rarefaction to cluster grape ball agglomeration state. The long chain group of methoxyl silane coupling agents KH570 is linked with the anhydrous glucose units of the cross-linked starch.

随着疏水化改性程度的加深，改性淀粉在液体石蜡有机介质中的分散性明显增强；颗粒形态由疏松态向串状葡萄球团聚态转变；在交联淀粉脱水葡萄糖单元羟基上引入了甲氧基硅烷偶联剂KH570的长链基团。

It is almost half century that western countries focus on scientific history, scientific forecast, scientific structure research by citation method, while in China, the related investigation are nearly blank.Differences among citation indices, In China, researchers accustomed to use chain index such as the number of citation, at the same time, western scholars incline to net index for instance: co-citation, bibliographic coupling.Differences among citation databases.

在此基础上对国内外引文分析应用研究中的三个主要差异进行了比较，1 研究对象的差异：国外很早就开始重视引文分析方法在科学结构、科学史领域的研究，国内则几乎是空白。2 引文指标与分析方法的差异：国内侧重对引文链状指标的运用，而国外则相对更重视网状指标的应用。3 国内外引文分析数据库的差异。

Has analyzed this company new product (after *SR-30, SR-24, SR-20,*SR-16, the SR-13 3/8 series) the production craft, the treating processes and the production efficiency, design a set primarily to include the guide rail, the driving gear, the chain drive, the reduction gear, the electric motor, the shaft coupling, the axis, the bearing, the key, the circlip by V installment and roll spare part and so on drive wheel installments,And completes the correlation selection and the corresponding mechanics examination, with realizes two to need the butt weld the marine riser automatically to, and in the synchro completes the further welding after the spot welding.

分析了该公司新型产品（包括＊SR-30、SR-24、SR-20、＊SR-16、SR-13 3/8系列）的生产工艺、处理过程及生产效率后，设计出一套以V型装置为主包括导轨、驱动轮、链传动、减速器、电动机、联轴器、轴、轴承、键、弹性挡圈及滚动轮等零部件的装置，并完成相关选材及相应的力学校核，用以实现两根需要正对焊接的隔水管自动对中，并在对中点焊后同步转动以完成进一步的焊接。

In the minimal coupling model of the electron and photon electromagnetic interaction,we have a precise calculation on the differential cross section of Compton scattering with electron renormalized chain propagator,and obtain the accurate result.

采用电子与光子电磁相互作用最小耦合模型，对电子重整化链图传播下Compton散射微分截面作了严格解析计算，获得精确理论结果；并将该计算结果与电子树图和重整化单圈图传播下Compton散射微分截面作对比分析，获得了有关辐射修正的重要信息。

First, based upon the fields in the single cavities, open and short modes are constructed, whose coupling holes on disks are shorted magnetically and electrically respectively. Second, the whole field in the chain is expanded with the short and open modes. With the Galerkin method and the second vector Green theorem, it is possible to describe the physics problem by a simple general eigenvalue matrix equation. Here, the dispersion curves in periodical structures are available.

它首先利用有限元等方法计算各加速单腔中的电磁场，根据一定规则构造成所需的开模和闭模，然后把整个长腔链加速结构中的场用这些开模和闭模展开，再利用伽略金方法和第二矢量格林定理进行数学变换，考虑各模式在加速腔壁和腔间耦合孔处的边界条件后，就能把加速结构中电磁场用数学上的广义本征值矩阵问题描述，从而能够得到所求的色散曲线和电磁场形态。

P-π conjugated polyamic acid was synthesized by the poly-condensation of benzoguanamine and pyromellitic dianhydride under microwave irradiation. Then PAA was grafted with different side-chain containing azobenzol groups through azo coupling reaction.

选取苯代三聚氰胺和均苯四酸二酐为单体进行微波辐射溶液聚合反应，所得的聚酰胺酸与对位取代基不同的苯胺重氮盐偶合接枝，从而合成了一系列新的具有三阶非线性光学活性的侧链型聚合物。

In this study, we first synthesize a conducting polymer, P3HT, via Grignard metathesis method. And we functionalize the polymer chain end of P3HT into vinyl group. After characterize from 1H NMR spectroscopy, we use the end functionalized P3HT to proceed coupling reaction with P2VP anion.

为了达到这个研究目的，我们先利用格林纳置换法合成导电高分子P3HT，并将其尾端乙烯化，在经核磁共振仪确定结构后，利用此尾端乙烯化之P3HT与P2VP阴离子反应进行接合。

A one-pot chemoselective reduction and lactonization of(4S,5R)-hemiesters was carried out to afford high-yielding(3aS,6aR)-lactone,a key chiral building block for the biotin synthesis. One-step introduction of carboxybutyl chain onto(3aS,6aR)-thiolactone was reached upon treatment of zinc reagent 25 in the presence of nanopalladium via an improved Fukuyama coupling under mild reaction conditions.

在侧链引入过程中，采用纳米钯LDH-Pd~0为催化剂以改进的Fukuyama偶联反应一步高效地引入-生物素五碳羧酸侧链，紧接着创造性地以离子氢化的方式建立了-生物素的第三个手性中心。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。