查询词典 combinatorial method

The combinatorial preparation method based on wet impregnating was validated an effective and precise tool for preparation of supported catalysts.

论文将多相催化剂的组合制备和高通量筛选作为整体进行考虑，并且建立了相应的方法。

In order to improve the minimum distance of the self-orthogonal code, a new expurgating method and the combinatorial construction of one-step completely orthogonalizable codes are proposed.

为了提高自正交码的码距，本文给出了增余删信法和一步完备可正交码的组合构造。

The dissertation analyses the methods on large-scale logistics networks design, and then puts forward the method of combinatorial GA which improve the arithmetic based on HEM and GA, and use it to figures out the problem on the large-scale logistics networks design.

提出了运用运输问题方法求解小规模基本物流网络设计的方法，同时弥补了已有研究中无法解决的网点建设费用问题以及忽视了物流费用规模经济问题的缺陷； 6。

In Chapter 4, there are two important structures, loops and stacks for an abstract single-strand RNA. Based on the method of combinatorial enumeration, we make a new discussion about the enumeration problem and get its approximation with the limited length of end loop.

第三部分：RNA二级结构是由一些环和茎组成的结构，在此基础上，本节以端环中自由基数为参量，我们又利用组合技巧解决了一类RNA二级结构的计数并给出了它们的近似值。

In Chapter 3, some information of the RNA secondary structure is introduced in detail, such as denotation of RNA,the cardinal principle, some basic definitions and so on. Then a common enumeration problem of RNA secondary structure and substructure is studied with the method of combinatorial enumeration.

第二部分：接着介绍了RNA二级结构预测基本原理、表示方法及其子结构的定义，最后应用组合的技巧解决RNA二级结构及子结构计数的一般情形。

We proposed some combinatorial and separating edge method based on existing algorithm of the multistate complex systems and brought to light the objective rule of the complex from multistate to 2-state, the main working can be summarized as follows

基于多状态复杂系统的结构分析，提出了一些组合算法的拆边方法，揭示了多状态复杂系统在转化为2—状态复杂系统过程中对应的客观规律，主要工作包括

Avilamycin quality have what kind of quality , the existing returns will help to alter or decorate it's molecule by the Combinatorial biosynthesis method , and produce new ramification of Avilamycin .

阿维拉霉菌是一种什么性质的抗生素，现有的研究成果将有助于采用组合生物合成方法进行阿维拉霉素的分子改造与修饰，从而产生新的阿维拉霉素衍生物。

It is generally used in combinatorial optimization problem.The TS method performs a "guided search" which enables it to escape from local optima.

TS算法属于现代优化算法，是局部领域搜索法的推广，常用于求解组合优化问题。

Taking a regional logistics industry as an instance,from the view of quantitative and qualitative character,the weights of related indicators are computed by combinatorial evaluation method .

基于物流产业的涵义和特点提出了产业竞争力的概念，根据物流产业的现状，提出了物流产业竞争力评价的多层指标体系，列举了主要的评价方法和具体步骤；针对具体的实例，从定性和定量两个角度，运用组合评价法确定了相关指标的权重，借助多层模糊评价法对一级指标进行了评价分析，有助于区域物流产业核心竞争力的确定。

At present it is very difficult to predict all the RNA secondary structures. This paper describes RNA secondary structure prediction methods from 1970\' to this day in a systematic way some. Tracing back and following the tracks of prediction methods the author made a summary of RNA research progress and situation while a enumeration problem of RNA secondary structure is studied with the method of combinatorial enumeration.

目前所有有关RNA二级结构的预测算法要预测出所有序列的二级结构仍然很困难，本文系统介绍了从上世纪70年代以来发展至今的各类RNA二级结构预测算法，从对RNA结构预测方法的追溯和跟踪，对当今RNA研究的进展和形势做了一个总结，并且应用组合计数的技巧解决了一类RNA二级结构的计数问题。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。