查询词典 experimental method

Based on a thermodynamic calculating model for counterflow cooling towers, calculates the thermal performance coefficient by enthalpy difference method considering the cooling water loss, and identifies the relative parameters in the formula by using some experimental data.

根据逆流式冷却塔的热力计算模型，综合考虑冷却水量损失，采用焓差法对冷却塔的性能系数进行了计算，结合实验数据对性能系数公式中的相关参数进行了辨识。

Chaper 3 is general description of ADA encryption. Chapter 4 deals with the transform domain encryption. Includes the element of perfect and quasi-perfect transform domain encryption, and presents two type new schemes. Chapter 5 deals with asynchronous ADA encryption. Extends the general theory and model of asynchronous ADA scrambling, and introduces two type phase-distortion-free a synchronous ADA schemes. Chapter 6 is about new direction of ADA encryption. Includes TASI scrambling, transform domain dummy insertion scrambling, noise coving scrambling and other multi-dimension ADA scrambling, and proposes an adaptive dummy spectrum insertion asynchronous scrambling and a new adaptive noise-coving DFT scrambling algorithm. Chapter 7 is on permutation key. presents part results on permutation features, selecting criterion and constructing method. Chapter 8 introduces the hard and software design of a common ADA encryption/decryption system, and presents the experimental results on several proposed ADA encryption schemes.

第一章为绪论；第二章为语声信号、及其处理基础；第三章为模数模加密的一般描述；第四章为变换域加密研究，包括变换域加密机理，变换域完善与准完善保密研究，提出两种新的变换域加密方案；第五章为异步模数模加密研究，扩充了异步模数模加密的一般理论，介绍了两种新的无相位失真异步加密方案的原理与实现方法；第六章对模数模加密新方向：TASI应用途径、变换域伪谱插空置乱、噪声掩盖、多维置乱加密的原理和方法进行介绍，提出了自适应伪频插空异步模数模置乱算法与自适应DFT系数噪声掩盖置乱新算法；第七章为置换密钥性质、筛选准则以及构造方法研究的部分结果；第八章介绍了通用模数模加/解密实验系统的硬件、软件研制概况，并给出了几种加密方法的实验结果。

Experimental results show that the measured radiance curve is consistent with the theory curve in the interested wave band, and the measurement method is proved.

分析计算表明：计算出的感兴趣波段的积分辐亮度值和理论曲线相比较，取得了良好的一致性，间接验证了该方法的正确性。

Theoretical analysis and experimental results show that the proposed method effectively enables locating-free machining of curved surface parts.

理论分析与实验结果表明，所提出的方法是可行的，为复杂自由曲面零件的无定位加工开辟了一条新的有效途径。

Theoretical and experimental study on curved liquid surface by means of optical method［J］.

光学方法对润湿效应形成弯曲液面的理论及实验研究［J］。

Signal and data processing method and software design were also discussed. Experimental results of typical curved surface topography was given.

讨论了该系统的工作原理、信号和数据处理方法及软件设计，给出了初步的实验结果。

The experimental result show that they are better than the Gomory cutting plane method on the average.

提出了交替地使用两个出平面和同时使用两个割平面去求解纯整数规划模型的两种新方法，并对这些算法进行了测试对比。结果表明：总体而言，它们都优于Gomory割平面法

Because the cyanide is deadly toxic,the determination of the experimental conditions of the measuring method is very important.

由于氰化物有剧毒，因此确定检测方法的测定条件尤为重要。

This study consists of three parts. Firstly the equivalently accelerative corrosive environment is determined through the analysis of statistic data of corrosion environment. Secondly the fatigue test is carried out under the constant amplitude cyclic loading for the specimens which are exposed in the corrosive environment for equivalent calendar time of zero year, 3 years, 8 years and 13 years. Four S-N curves with different corrosive time are obtained based on the fatigue experiment. Finally the regression method of S-N curves for experimental data is researched and a weighted least square fit is put forward in which the weigh of a group of test data is inversely proportional to the length of the confidence interval.

进行了以下几个方面的工作：(1)通过实测、统计、分析得到了当量加速环境谱；(2)完成了在当量加速环境谱下预腐蚀日历年限0年、3年、8年和13年的腐蚀试验，并进行了成组常幅疲劳试验，得到了不同预腐蚀年限下的S-N曲线；(3)进行预腐蚀后的S-N曲线的数据拟合方法的研究，提出了考虑置信区间长度影响的加权最小二乘法。

A method for building the finite element model of the gravity support system for International Thermonuclear Experimental Reactor was proposed according to the characteristics of the gravity support system with the cyclic symmetry.

针对国际热核实验反应堆重力支撑系统具有周期对称性的特点，提出了ITER重力支撑系统的有限元模型的建模方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。