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In this paper, according to the features of assessment index for the cleaner production, the unexpected input, the multi-usage of resources and energy is used as output, while the unexpected output, index of pollutants as input. Then the data envelopment analysis is applied to assess the cleaner production schemes for enterprises to find out the nonpaying schemes. Then improve the nonpaying schemes into effective ones.

本文根据清洁生产评价指标的特征，将资源能源综合利用指标等非期望输入等作为一种输出，污染物指标等非期望输出作为一种输入，引入到数据包络分析模型中，对企业的清洁生产方案进行科学客观的有效性评价，并找出非有效的方案，时其进行有效性改进。

This article describes the dermoscopic appearance of various nonpigmented tumors and nontumoral skin lesions, as well as the application of this technique in nonpigmented skin diseases.

主要介绍非色素性肿瘤以及非肿瘤性疾病在皮肤镜下的表现，评价这一技术在非色素性皮肤病中的应用。

Based on Chaboche's Continuum Damage Mechanics Model, this study suggested low-cycle fatigue damage model under nonproportional loading, in which maximum shear stress and mean hydrostatic stress are considered as two basic parameters and nonproportionality of loading path is considered as a damage parameter to enter damage evolution equation which may well describe damage evolution law of low-cycle fatigue under nonproportional loading.

按Chaboche的连续损伤力学方法建立的多轴非比例加载下低周疲劳损伤模型，以最大剪应力和平均静水应力作为两个基本参量，将路径的非比例度作为损伤参量引入损伤演化方程中，可以较好地描述非比例加载下低周疲劳的损伤演化。

Calculations show that:nonreaction is the major process at low collision energy;vibrational excitation facilitates reaction;the inelastic nonreactive cross section is about three times larger than reaction cross section under 10-4eV collision energy.

计算结果表明：在低碰撞能下，散射主要以非反应过程为主；振动激发有利于反应的进行；在小于10-4eV碰撞能下，非反应非弹性散射截面和反应截面的比值约为3。

In this thesis, the problems of impedance matching are studied based on the theory of nonreciprocal transmission lines, the broadband matching methods of nonreciprocal transmission lines are put forward.

本文在非互易传输线理论的基础上，对非互易传输线的阻抗匹配问题进行了研究，提出了非互易传输线宽带匹配的方法。

Based on monochromatic light,the principle of resulting in nonreciprocal phase error that results from axial magnetic is analyzed,and the theory derivation about the actual nonreciprocal phase error is introduced.

基于单色光分析了轴向磁场产生的法拉第非互易相位差的机理，理论推导了实际的非互易相位差，给出仿真结果、分析结果和实验结果，并提出减小轴向磁场作用下的Faraday非互易相位差的主要方法是使得两个消偏器的45°误差之和(θ3+θ4)→0。

We can call a function that takes a nonreference, non const parameter passing either a const or non const argument.

在调用函数时，如果该函数使用非引用的非 const 形参，则既可给该函数传递 const 实参也可传递非 const 的实参。

If the function takes a nonreference type, then const is ignored on either the parameter type or the argument. That is, the same instantiation will be used whether we pass a const or non const object to a function defined to take a nonreference type.

如果函数接受非引用类型，形参类型实参都忽略 const，即，无论传递 const 或非 const 对象给接受非引用类型的函数，都使用相同的实例化。

Meanwhile, we also study the stability of the nondegeneratedand nontwisted homoclinic loop for the two cases of nonresonant and resonant,and obtain the corresponding criterion.

同时还研究了非退化非扭曲同宿环在非共振和共振两种情况下的稳定性问题，得到了相应的判别准则。

From the angle of a beam-forming, the cross- range focusing principle of the synthetic-aperture radar based on nonsinusoidal waves is studied. The expressions of antenna pattern for both rectangular signa l and Gaussian signal are presented. Compared with the conventional narrow bandw idth SAR whose cross-rang resolution is determined by the carrier frequency, th e cross-range resolution of the nonsinusoidal SAR is affected by the signal ban dwidth.

为研究非正弦波SAR的方位向分辨力，从波束形成的角度分析了非正弦波SAR的方位向聚焦原理，导出了基于矩形脉冲和高斯脉冲的合成孔径天线阵列方向图表达式，并与常规窄带SAR进行比较，指出影响非正弦波SAR方位向分辨力的主要因素为合成孔径长度和信号带宽，而与信号载频无关。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。