重复单元

E.ColiO86O-antigen五糖重复单元的合成

Synthesis of the repeating unit of E. coli O 86 O-antigen

利用活性聚苯乙烯阴离子（PSLi）与含DPE侧基的聚苯乙烯进行偶联反应，制备了每个重复单元含一条侧链的高支化梳形聚苯乙烯。

The novel highly branched comb-like polystyrenes with one side chain per repeating unit were synthesized by coupling reaction of living polystyrene carbanions ( PSLi ) with DPE pendant groups of polystyrene backbone .

我们推测，平均每个PS重复单元对界面脱附力的贡献为1.3一2.1pN。

We estimate that each styrene monomer contributes 1.3 ~ 2.1 pN to the desorption force .

将n型掺杂与多重复单元结构应用于电子传输层中，分析电子的注入与传输机制。

Analyzing the mechanism of electron injection and transporting by employing the n-type doping technology and multiple repeat cells in electron transporting layer ( ETL ) .

在桉树EST序列中，重复单元长度为三碱基的微卫星最为丰富。

Triplet repeats are the most abundant microsatellites in the EST sequences of Eucalyptus .

基于Kuhn方程，随重复单元增加，激发能拟合较好。

Based on the Kuhn equation , better evolutions of the excitation energies with increasing repeat unit are obtained .

当PDMS链的重复单元数达到60-70时，单羟基或双羟基封端的聚PDMS都足以阻止在接触角测量过程中发生表面重排。

The chain length of60-70 DMS repeating units for both mono-and bi-functional PDMS appeared to be long enough to prevent the surface reorganization during the CA measurements .

本文重点论述Summit系统闪动问题的解决方法，即通过对重复单元和数据线的维护，建立和保护Summit三维排列的稳定性。

The discussion of the paper will center on the solving measures for flicker problem in Summit system , that is creating and defending the stability of Summit 3-D arrangement through maintenance of repeat unit and data line .

当低聚物具有相同重复单元时，杂化低聚物基态与激发态HOMO和LUMO能量、垂直激发能位于噻吩和噻咯低聚物之间。

The HOMO and LUMO energies , the vertical excited energies for the ground states and the first excited states of hybrid oligomers lie between thiophene and silole oligomers while oligomers contain the same number of units . 4 .

将298.15K时各种液态聚合物的内压平方根λ和重复单元的摩尔体积Vm的乘积对它们的vanderwaals体积作图时，发现是一条通过坐标原点的直线。

The products of the square - root of internal pressure A and the molar volume of the repeated unit Vm for various polymeric liquids at 298.15 K are plotted against their van der Waals volumes . A straight line through the origin of coordinates is obtained .

第二种方案是数字光刻技术，用图形设计软件CorelDraw在图像中设计光栅结构的重复单元来模拟传统全息制作中物光和参考光干涉形成的干涉条纹。

The second program is the use of digital lithography . Designing many repetitive units in the picture by graphic design software CorelDraw to simulate the interference fringe of which is the result of the object light and reference light interfere .

每8个糖残基构成一个结构重复单元，其中六个为α-1,3-D-Glc，两个为α-1，3-D-Man；

Every eight sugar residues of the backbone consist a repeating unit ;

丙交酯的开环聚合反应在羟基上起始，淀粉是一种多羟基的高分子，其每个重复单元上含有三个羟基。

Starch is a kind of polymer with abundant hydroxyl function groups .

聚合物重复单元结构与折光率的定量相关

Quantitative correlation between the structure of repeating unit and refractive indices of polymers

聚苯类共轭聚合物的重复单元连接方式对禁带宽度的影响

Effect of Connecting Form of Repeat Unit in Polyphenylene Derivatives Conjugated Polymers on Band Gap

以环共轭烃为重复单元的环多聚共轭烃的稳定性

The Stability of Cyclic Polymeric Conjugated Hydrocarbons with Cyclic Conjugated Hydrocarbons as a Repeating Unit

二肽分子CH3CO[NHCH2CO]NHCH3中的结构基元[NHCH2CO]是甘氨酸α多肽的基本重复单元。

The motif in dipeptide molecule CH_3CONHCH_3 is the basic repeated unit of glycine polypeptide molecule .

可以方便求出任意碱基重复单元的重复系列的数字编码法则；

The digital coding of any DNA tandem repeats can be easily obtained ;( 6 ) .

通过DockingMethods，计算出共混物中各对重复单元间的相互作用能。

Based on Docking Methods , the interaction energy parameters between each kinds of repeated unit are calculated .

结果发现，多重复单元个数是一时，器件性能达到了最佳水平。

It is found that the device shows the best performance when the number of repeat cells is one .

结核分枝杆菌散在重复单元分型技术在监狱结核病暴发中的应用

Value of Mycobacterial Interspersed Repetitive Unit on Tuberculosis Outbreak in Prison Detection and Differentiate Beijing Family Isolates of Mycobacterium Tuberculosis and Its Applications

根据重复单元碎片分子轨道和相互作用讨论了能带的组成与碎片分子轨道的相互关系。

The relation between the energy band and fragment molecular orbital has been discussed by the interaction of the FMO in the cell .

所用的4个描述符都直接从聚合物重复单元的结构计算得到。

The employed four descriptors , involved in the model , are calculated directly from the structure of the repeating unit of the polymer .

首先对比普通的无电子注入层器件与多重复单元器件的性能，结果发现采用多重复单元结构后，器件的光电性能有所提升。

Firstly , the EL performances of devices with multiple repeat cells are enhanced compared with that of the conventional device without electron injection layer .

微管管壁上的原丝纤维可以描述成各项异性的二维赝自旋模型，其最小重复单元是三角形状的。

Microtubule ( MT ) is described as an anisotropic two-dimensional pseudo-spin model on a triangular lattice , in which there are three different " spin-spin " interactions .

由于受到分子链构象的限制，分子链在完全伸展的情况下每重复单元上的结合水分子的数量将比在自由卷曲状态下少很多。

Because of the limitations in chain conformation , there would be much more bound water molecules in the free coil state than in the completely stretched state .

随机单元测试与可重复单元测试是有区别的：随机单元测试基于对框架和问题认知程度，而可重复单元测试基于系统需求。

There is a difference , however , between casual , ad-hoc unit testing based on knowledge of the problem and structured , and repeatable unit testing based on the requirements of the system .

微卫星是近年大力开发的一种遗传标记，为推进按蚊遗传学相关研究，对按蚊全基因组中由1～6个碱基重复单元组成的简单序列重复（微卫星）进行了分析。

Microsatellite is a genetic marker , explored recently . In order to improve related studies on genetics of Anopheles gambiae , simple sequence repeats of the entire mosquito genome with 1 ~ 6 bp nucleotide motifs were analyzed .

最近，人们对挖掘非编码序列中可能存在的功能片段以及非编码序列的演化和进化方面做了大量的工作。75-90%的真核生物基因组都被组装成作为染色质基本重复单元的核小体。

Recently , lots of work has been done to explore the putative functional elements in noncoding sequences and their evolution . 75-90 % of eukaryotic genomic DNA is wrapped in nucleosomes , the basic repeating unit of eukaryotic chromatin .

33种结构单元的性能存贮于计算机内，可以随时调出用以构造所要求的聚合物重复单元中的主链与侧链结构，然后由计算机程序计算聚合物上述4种物性参数。

The properties of 33 structure units are stored in computer memory and at all times being recalled to construct the main chain and side chain structures in the desirable polymer repeating unit . Then the above four physical properties of polymers can be calculated by computer program .