查询词典 Np

The inventory of important actinides during field reprocessing,such as 232U and 237 Np,are also calculated.

对包层中的重要锕系元素232U、237Np的含量也作了计算分析。

It is used in solving species solubility,especially some nuclide Am, U, Pu,Np,Th, Ra,Te, and so on. This paper calculates species contribution of Americium by use of EQ3NR code.

本文以核素镅为例，计算了镅在水溶相中的存在形式，并模拟计算了不同pH值和不同∑CO3浓度条件下镅物种的化学形态分布优势。

We perennially deal in PEG, MPEG, Ethyleneamines and the ramification of Ethyleneamines, NP,OP, AEO, specialty surfactants(2A1, CF-10), DOW CORNING antifoam, PE Homopolymer, HEC, latex compounds for the carpet and rug, etc.

我司常年经销产品：聚乙二醇及甲氧基聚乙二醇系列、乙烯胺系列及其衍生物、烷基酚聚氧乙烯醚、脂肪醇聚氧乙烯醚、二苯醚二磺酸盐（2A1）、X-405、CF-10等表面活性剂、道康宁消泡剂、羟乙基纤维素、地毯胶等。

This problem is always NP-C problem, so the approximate method is usually to be found.

由于这类问题往往都是NP完全问题，人们通常寻求其近似算法。

The problem is NP-hard, so we want to find approximate algorithms to solve the problem.

由于这个问题是NP-hard的，因而我们转为寻找问题的近似算法。

Secondly, The optimal CDMA receiver in AWGN channel is a NP complexity problem in synchronous and asynchronous transmission.

其次，在同步和异步传输中最佳多用户检测都是一个具有NP复杂度的组合优化问题。

Tao's findings are based on a painstaking series for experiments that reealed the atomic structure of NP.

Jane Tao的发现是建立在一系列辛苦实验基础上，显示了NP的原子结构。

Cross Entropy method has recently been proposed as a heuristic method.It shows some simple performance in the process of solving combinatorial optimization problems.This paper makes full use of Cross Entropy method to obtain the best estimator for the max-cut problem which is a standard NP-hard problem in graph graphic theory.

交叉熵方法是近几年发展而来的一种启发式方法，在求解组合优化问题中显示出其简单有效的特点，将运用交叉熵方法寻求图论中一个典型的NP困难问题—最大割问题的最优解。

Corresponding to such a NP-hard problem, this paper gives some polynomial time solvable cases, and a branch and bound algorithm with a rapid method for estimating the lower bound for general case.

对这一NP-困难的排序问题，文中给出了几个多项式可解的特殊情形，一般情况下的一个快速下界估计方法以及相应的分支定界算法。

The topics are divided into three parts: the first part introduced the basic concepts of algorithms, mathematical algorithms and algorithms based on complexity analysis scheduling problem for the second part of the problem and plans to discuss a variety of existing algorithms, and describes the design of commonly used algorithms including sub-rule law, greedy method, dynamic programming, backtracking and branch and bound method, and describes the complexity of the calculation, as well as NP-complete problem the third part of the model on parallel computing and parallel algorithm design techniques.

全书分为3个部分：第一部分介绍算法的基本概念、算法的数学基础以及算法复杂度分析；第二部分针对排序问题和图的问题，讨论各种已有的算法，并介绍常用的算法设计方法包括分治法、贪心法、动态规划法、回溯法和分支限界法，并介绍了计算的复杂性以及NP完全问题；第三部分讲述并行计算模型和并行算法设计技术。

The ratio of this kind of crime is larger than other crimes in the poor and margining areas, the reasons are backward economy and culture, poor livelihood, unwisdom, low social position of yang woman and child in the poor areas.

拐卖妇女不论在全球所有国家还是在我国并不是一个新问题，每年亚洲地区就有二十五万妇女儿童遭受非法贩卖的厄运，而我国的&打拐&斗争从上世纪80年代初到现在经历了二十几年，特别是20世纪90年代以来，由于各地经济发展的不平衡以及人们社会生活贫富之间差距的加大，拐卖妇女犯罪在特定地区和特定时段，呈现出许多新型的特点。

A single intermolecular recombination event between two circles generates a dimeric circle; further recombination can generate higher multimeric

在两个循环间的一个单细胞间重组产生了一个二体循环，进一步的重组能产生更高级的多体形式，这将导致分裂单元数的减少。