成链

LEACH-P协议不仅具有LEACH协议的网络分簇结构，也具有PEGASIS协议贪婪成链的思想，使簇头成链。

LEACH-P protocol not only has node clustering structure of LEACH protocol , bus also has thought of greedy chain of PEGASIS , so the cluster heads into chain .

横向旋转磁场对液固流化床中铁磁颗粒成链旋转的影响

Iron-particle chain formation and rotation in fluidized bed under transverse rotating magnetic field

通过磁光效应研究磁性液体在外场下的颗粒成链现象

Using magneto-optical effect to study the chain aggregation behavior of ferrofluids under an external magnetic field

YC7150磨齿机展成链精度的测量分析和提高途径

Improve Grinding accuracy of gear grinder Y_C 7150 through the analysis of the measured generating chain error

对非极性流体，体系的热力学性质由硬球作用、成链作用及色散作用三部分组成。

For nonpolar chain fluids , the thermodynamic properties of system are the sum of three terms representing contributions from hard sphere , chain-forming and dispersion .

岩石磁学结果还显示，在有氧条件下野生株细胞磁小体的晶型、尺寸及成链状况都优于突变株。

Rock magnetism results found that the crystal type , size and the chain of wild type strains were superior to mutant strains under AS condition .

列表项被组织成链，因此消息可按顺序被处理并且在到达链尾之前被用掉。

The list items are organized in a chain so the message is processed in order and can be consumed before reaching the end of the chain .

在无自由电荷存在的外加非均匀场和偶极子相互作用的局部非均匀场作用下，粒子首先在空间聚集成链，然后沉积在基材表面。

Due to combined effects of the external non-uniform field without free charge and the local non-uniform field of dipoles , dielectric particles would aggregate into chains .

最后，还给出了S的满足一定条件的有限子集在≤下成链的充要条件。

Finally , a sufficient and necessary condition for extending a partial order of S to another partial order suth that some finite subsets satisfying some conditions of S form a chain .

沿海港口和重要水域建成交管系统17个，新建、改造航标300余座，并建成无线电指向标差分全球定位系统20个台站，基本实现了航标成链的目标。

Some17traffic-control systems have been established , 300 navigation aids set up or upgraded , and20rbn-dgps stations in coastal ports and crucial waters established , basically achieving the target for completing the nation 's navigation aid chains .

而阳离子共聚物的二茂铁单元有两种不同结构：一个烯基未参与聚合反应的悬挂结构（38.9%）和两个烯基分别成链的交联结构（61.1%）。

While two sorts of ferrocene units appeared in the cationic copolymer : one had a pendent vinyl group which had not taken part in the polymerization , and the other had a cross-linking structure with two alkenyl groups .

主要内容如下：（1）在实验中，通过可逆加成链转移自由基聚合方法制备了嵌段共聚物前驱体，并经碳化制得具有高比表面积的多孔碳。

The main contents are presented as follows : ( 1 ) In this study , well-ordered mesoporous carbon materials with high surface area were prepared through direct pyrolysis of block copolymer ( PMMA-b-PAN-b-PMMA ), which was synthesized by reversible addition-fragmentation chain transfer .

以三片集成锁相环组合成链（简称三环链路），可以完成固定移相（π）、鉴相和低通滤波三项功能，并且是在频率自动跟踪条件下完成的。

A chain circuit consisting of three integrated phase locked loops ( i.e. three-loop-chain-circuit ) can perform the functions of fixed phase shift (π), phase monitoring and low pass filtering . And these functions are carried out under conditions of automatic frequency follow-up .

被捕食者成食物链的一类n对种群捕食&被捕食生态系统的稳定性

A kind of stability of the ecology system of " predator-prey " of n pairs of preys forming food chain

除了常见的双链DNA，某些富含G碱基的DNA序列通过四个鸟嘌呤环的互联作用可折叠成四链螺旋结构，这样的DNA二级结构被称为G四链体。

In addition to the familiar duplex DNA , certain G-rich DNA sequences can be folded into four-stranded structures , which are made up of four guanine ( G ) bases , and the secondary structures are called G-quadruplexes .

以二硫代羧酸酯和三硫代碳酸酯为链转移剂的可逆加成裂解链转移（RAFT）自由基聚合的发现，在活性自由基聚合领域是一个重要突破。

RAFT uses the dithiocarbamate or trithiocarbonate derivatives as transfer agents , the polymerization has excellent living behavior , which is an important breakthrough in the development of living free-radical polymerization .

对可逆加成断裂链转移（RAFT）聚合的反应机理、可逆加成断裂链转移剂的合成方法及其反应动力学的研究进展分别进行了综述。

The investigation development for the mechanism of reversible addition-fragmentation chain transfer ( RAFT ) polymerization , the synthesis methods of RAFT agents and the reactive kinetics of RAFT polymerization were reviewed , respectively .

Porter为了分析企业经营活动中不同环节所创造的价值和所占用的成本，把企业经营活动分为基本活动和辅助活动两类，并将其设计成价值链分析框架。

Porter , in order to analyse value created in different links and cost taken up in enterprise 's business activities , divided enterprise business activities into basic activities and assistant activities , designed it value chain analysis the frame .

以VBA开发了Y7125磨齿机展成传动链的运动分析与动态仿真，并对磨齿加工误差补偿系统的模型建立、补偿算法进行了深入地研究。

The motion-analysis and dynamic-state-simulation of generating-transmitting train ( Y7125 ~ type gear-grinder ) are developed and the model-building and compensation - arithmetic of compensation system of gear-grinding machining-error are studied in depth with VBA .

本文首先用八邻域法对轮廓进行边界跟踪，将轮廓线表示成Freeman链码的表示形式，然后对链码相同的点进行合并，得到了用分段直线来表示的轮廓。

The 8 neighbourhood method is introduced to track the boundary in this dissertation , and the contour is described in Freeman chain code form , then we combine the points with same chain code to get the contour described in straight line segments .

细菌表面zeta电位减小，反映细胞壁的磷壁酸和脂多糖成份中的脂质基被氧化成过氧链，因此破坏了细胞壁的致密结构，改变了菌体代谢致细菌死亡。

Decrease in bacterial surface zeta potential reflected that the lipid group in teichoic acid and lipopolysaccharide components of cell wall was oxidized to become peroxy-chain , thus the dense structure of the cell wall was destroyed and the bacterial metabolism was changes , leading to bacterial death .

磨齿机展成传动链的精度分析和误差谐波分析

Transmission accuracy and harmonic error analysis of generating mechanism of gear grinding machine

区域表示：线性四元树转换成边界链码

Region representation boundary codes from linear quadtrees

企业与企业的竞争在很大程度上已经逐渐转换成供应链与供应链的竞争。

The competition between Enterprises has been gradually converted to the competition between supply chain and supply chain .

为了实现集成的工艺设计的系统化，对加工方法的选择以及创成工艺链进行了研究。

The selection of machining methods and the generation of technology chains are studied to systematize the integrated process planning .

当前，全球化竞争日益激烈，企业之间的竞争逐步转变成供应链之间的竞争，企业成功与否将在很大程度上取决于供应链合作水平的高低。

The competition among enterprises transforms into the competition among supply chains gradually . Whether the enterprise succeeds or not will depend on the level of supply chain collaboration .

现阶段经济全球化和一体化的趋势越来越明显，对于市场的竞争已经不仅仅是企业之间的竞争，而逐渐演变成供应链之间的竞争。

Nowadays , with the development of economic globalization , the competition on marketing is becoming a competition among different supply chains , instead of an activity merely among enterprises .

企业间产品和服务的竞争转变成供应链整体优势的竞争，供应链及供应链管理的概念应运而生。

The competition changes from among products and services of enterprises to the advantages of integrated supply chain , hence the concepts of supply chain and management of supply chain come into being .

采用可逆加成断裂链转移聚合的方法制备得到不同聚合度的聚合物并初步考察其聚合行为。通过溶液荧光光谱研究发现，聚合度对聚合物的荧光性质具有很大影响。

Various polymers with different molecular weight were prepared through reversible addition-fragmentation chain transfer polymerization . It was found that the fluorescent properties of the obtained polymers were dependent on the degree of polymer .

自缩合乙烯基聚合、可逆加成断裂链转移聚合、原子转移自由基聚合等多种方法被用来合成超支化聚合物。

Many synthetic approaches such as self-condensing vinyl polymerization ( SCVP ), reversible addition-fragmentation chain transfer polymerization ( RAFT ) and atom transfer radical polymerization ( ATRP ) have been used to prepare branched polymers .