查询词典 vector-potential

In near-neutral pH solution, the cracking mode is transgranular with the feature of quasicleavage.The function of SCC factors are as follows:(1)The additional potential takes an important role in the SCC behavior of X70 pipeline steel: the susceptibility to SCC increased with decreasing cathodal potential,HIC is the dominant reason,the crackles on the surface are almost vertical to stress;On the country, at anodic potential,there is a critical potential,below which the dominant reason is anode-dissolving supported by hydrogen,and the crackles on the surface are not vertical to stress.

电位因素和环境因素的影响作用为：(1)在阴极极化电位区，SCC敏感性随电位的负移而增加，氢致开裂作用占主导，表面裂纹多与拉应力垂直；在阳极极化区间，存在阈值电位，低于阈值电位时，SCC为氢促进阳极溶解所致，表面裂纹多与主应力方向成一定角度。

During studying different levels potential yield of main cropping modes, bring forward the conception of "equivalence potential yield", and this conception made potential yield of different crops comparable and transpositional. So we can analyze the main factors influencing mostly different levels potential yield of monoculture and main cropping modes for different regions.

在对种植模式生产潜力的研究过程中提出了等价生产潜力的概念，以解决不同作物间生产力的横向比较与换算问题，同时注意到单一作物与种植模式间的生产潜力影响因素，并量化分析了这些主要的影响。

The result indicates that the potential-pH equilibrium diagram, solution's practical pH and metal corrosion's measured potential at corresponding temperature must be used when potential-pH equilibrium diagram is used. And also the potential-pH equilibrium diagram in Fe—H〓O system at different temperature is gathered and classified. According to thermodynamics data, the relation equation of water ionization equilibrium constant K〓 and of ammoniac equilibrium constant K〓 to temperature T is respectively derived.

二、高温电位-pH平衡图的应用与高温溶液实际pH值的计算对高温电位-pH平衡图的应用方法和溶液的高温实际pH值进行了分析和计算，指出在用电位—pH图进行分析时，必须使用相应温度下的电位—pH图、该温度下溶液的实际pH值和金属腐蚀电位测量值，并对各种温度下Fe—H〓O体系的电位－pH图进行了收集归类。

Shandong College of Health Science faculty after poisoning in rabbits EMG de termination after poisoning rabbits found in the resting state. both spontaneous dener ated potential (fibrillation potentials and positive sharp wave) and the beam vibratevp otential; maximal contraction and mixed-interference type discharge, there is increas ed potential multiphase, low voltage and the peak potential way to extend. HeFengsh -eng, etc. right poisoning rabbits leads to fibrillation potential, EMG evidence of pois -oning animals in the performance of patients with clinical line.

山东医学院卫生学教研组对中毒后的家兔进行肌电图测定，发现中毒后家兔在静息状态下，均有自发的失神经电位和束颤电位；最大收缩时有混合型及干扰型放电，还有多相电位增多，低电压和峰电位时程延长［7］，何凤生等［5］对中毒家兔也引出纤颤电位，证明肌电图在中毒动物身上的表现与临床患者相一致。

According to the relationship between gravitational potential and electrostatic potential, as well as considering the physical meaning of the contrastive mass-to-electricity (mass per unit quantity of electricity) a definition of intensive electrostatic potential of the system (the electrostatic potential per unit mass) was proposed.

根据万有引力势与电势的关系式和系统的对比质电比的物理意义，定义了系统的强度电势－单位质量的电势。

To obtain a sparseness of support vector for least squares support vector regression, an algorithm called vector base learning is proposed in this paper.

使最小二乘支持向量机的解具有稀疏性，本文提出一种稀疏解算法——矢量基学习。

First, commonly used methods of flight segment volume forecasting are systematically elaborated, Then theory basis of support vector machine and its principle are introduced, support vector machine model is inferred, the support vector machines algorithm is studied.

首先，系统地介绍了航空运量预测中常用的预测方法，并对几种常用方法的特点进行了分析比较。

In the fourth chapter, firstly it introduces the Boolean functions algebraic expressions of the 2-value clock-controlled stop-and-go generator and Gunther generator. It reveals the balanced property of the two kinds of Boolean functions, and studies the Walsh cycle spectrum and the autocorrelation function. It also obtains the coincidence rate of their output sequences with affine sum of some bits of input sequences, and analyzes their ability of resisting the best affine approximation cryptanalysis and differential cryptanalysis. Secondly, we properly present a new definition of the Best Affine Approximation, namely BAA on the Boolean vector functions, followed by the spectral characteristic of such defined BAA attacks through using the decomposition formula of the union distribution for random variables. A lower bound of such BAA attacks is proposed. Finally, we also study the spectral characteristic of the second kind of nonlinearity of Boolean vector functions, followed by a higher bound of such nonlinearity. Furthermore, the limited relationship between the second kind of nonlinearity of Boolean vector functions and the linear structure of the linear combination of every component is analyzed.

在第四章中，首先给出了2值密钥流"停走生成器"和"衮特生成器"中实际存在的布尔函数的代数表示，揭示了这两类布尔函数的平衡性，随后研究了它们的Walsh循环谱和自相关函数等，得到了它们的输出序列与输入序列中的某些bit的仿射项的符合率，分析了它们抵抗最佳仿射逼近攻击和差分攻击的能力；其次，我们合理地给出了布尔向量函数最佳仿射逼近的新定义，利用布尔随机变量联合分布的分解式考察了相应的谱特征，并给出了布尔向量函数与其最佳仿射逼近的符合率的一个下界；最后，我们还考察了布尔向量函数第二类非线性度的谱特征，给出了布尔向量函数第二类非线性度的一个上界，并揭示了布尔向量函数第二类非线性度与其各个分量的线性和的线性结构之间存在的制约关系。

Using the theories of probability, algebra and spectral theory comprehensively, we investigate some related characteristics of logic functions in cryptography: Firstly, we introduce m order generalized s - correlation immunity of Boolean vector functions and prove that the higher order generalized ε- correlation immunity can guarantee the lower order generalized ε- correlation immunity. Then by applying decomposition formula of joint distribution of Boolean random vectors, we give a spectrum criterion of m order generalized e - correlation immunity of Boolean vector functions. Furthermore, we show that the algebraic degree of m order generalized e - correlation immune Boolean vector functions is not restricted by the correlation immune orders.

本文主要运用概率论的思想和方法，并结合代数学和频谱理论的相关知识，对密码学中逻辑函数的有关性质进行了研究，主要包括以下三个方面的内容：首先，对布尔向量函数的相关免疫性进行了拓展，给出了k维布尔向量函数m阶广义ε-相关免疫的概念，证明了布尔向量函数的高阶广义ε-相关免疫性蕴含低阶广义ε-相关免疫性，并根据布尔随机向量联合分布分解式得到了布尔向量函数m阶广义ε-相关免疫的一个谱判别条件，还说明了m阶广义ε-相关免疫布尔向量函数的代数次数不受相关免疫阶数的制约。

The proof is given that the category of linear fuzzy neighborhood spaces in the sense of Katsaras is isomorphic to that of co-towers of topological vector spaces and the intersection of the category of linear fuzzy neighborhood spaces with the category of type fuzzy topological vector spaces is the extract category of induced fuzzy topological vector spaces.

证明了Katsaras的线性fuzzy邻域空间范畴与分明线性拓扑空间的余塔空间范畴同构，而Katsaras的线性fuzzy邻域空间范畴与型fuzzy拓扑线性空间范畴的交集恰为诱导的fuzzy拓扑线性空间范畴。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。