查询词典 experimental method

In this paper, a method of constructing basic probability assignment function is presented based on analyzing the theory of D-S evidence, and experimental results show that this method is feasible.

针对雷达目标识别具体问题，在系统分析证据理论的基础上，提出构建基本概率赋值的方法，并通过仿真实验验证了方法的可行性。

Experimental results show that the method can compute path domain more accurately than PRT method, and random testing efficiency can thus be remarkably enhanced.

结果表明，该方法计算出的路径输入域更加精确，可有效地减少对无效域的测试生成，提高了随机测试的效率。

In this paper, phase equilibria of quinary reciprocal system Li+, Na% KV/ C032. B4O72~-H2O and its subsystems (nine ternary systems and five quaternary systems) at 288K were studied by isothermal method; An experimental study on metastable equilibria at 288K in the quinary system was done by isothermal evaporation method, also.

采用等温溶解平衡法研究了五元体系Li~+，Na~+，K~+∥CO_3~(2-)，B_4O_7~(2-)—H_2O及其九个三元子体系、五个四元子体系288K相平衡关系；采用等温蒸发的方法研究了该五元体系288K介稳相平衡关系。

When the geometric similitude ratio of the model to the prototype was determined and the loading similitude condition was satisfied by using similitude theory in structure modeling and experimental techniques, the prototype soil parameters were derived according to the model test result. The vibrating wheel compelled by harmonic exciting force was treated as a lumped mass vibrating system by equation equity method. By using this mechanical model in vibrating compaction, soil parameters were identified according to the equivalence of vibrating differential equation. The curve fitting method of amplitude versus frequency response was used for dynamic simulation based on the systematic dynamic equation of vibrating roller-soil system.

用相似理论与模型试验法在确定了模型与原型之间的几何相似比并满足载荷相似条件后，根据模型试验结果推导出了原型土体参数；用方程对等法把受简谐激振力作用的振动轮等效为集中质量振动系统，以此作为振动压实过程的力学模型，根据振动微分方程的等效条件进行识别；用幅频特性曲线拟合法以振动压路机－土壤系统动力学方程为基础，用计算机进行动态仿真。

A method for the determination of BSA based on the quenching of BSA fluorescence on adding PS and a method for the determination of PS based on the enhancement of PS on adding BSA were developed. The experimental data were processed by the Stem-Volmer equation and Lineweaver-Burk double reciprocal equation.

在不同的pH条件下，酚藏花红与蛋白质的反应导致了蛋白质荧光猝灭及酚藏花红的荧光增强，其荧光猝灭值与酚藏花红的浓度成正比，可用于酚藏花红的分析测定；而酚藏花红荧光增强值与蛋白质浓度成正比，又可用于蛋白质的分析测定。

On the basis of the previous results and according to the central composite experimental design principles,the method of response surface method with 3 factors and 3 levels was adopted.then the factors influencing the technological parameters were determined by means of regression analysis.response surface and contour were finally graphed with the extraction rate as the response value.resultsthe optimum conditions of lycium barbarum polysaccharides extraction were as follows:the ratio of material to solvent of 1∶32,extraction temperature of 84℃ and extraction time of 2.3 h,one time extraction.conclusionthe yield of lycium barbarum polysaccharides is 11.10% under the optimum conditions.

方法在单因素实验基础上选取实验因素与水平，根据中心组合（box-benhnken）实验设计原理采用3因素水平的响应面分析法，依据回归分析确定各工艺条件的影响因子，以多糖提取率为响应值作响应面和等高线。结果在分析各个因素的显著性和交互作用后，得出枸杞多糖水浸提的最佳工艺条件为：料液比1∶32；浸提温度84℃；浸提时间2.3h；浸提1次。结论在最佳工艺条件下，枸杞多糖的实际提取率可达11.10%。

At the second stage, MP3 players of first stage were used as experimental samples. The reason is that the components of portable MP3 player directly affect wearing method. SD method was used to test and important sequence was analyzed by using main factor, including external style:"pompous—low-tone", human factor operation:"easy-to-handle — hard-to-operate", and form mainly affected by "roundish — square". It illustrates that MP3 player develops not only its own functionality but also personal style and features.

本阶段实验采用语意差异法进行测试，并以主成分分析，结果发现重要的影响因子顺序分别为："外在风格"、"人因操作"、"造形"，其中"外在风格"主要因素为"炫耀的-低调的"；"人因操作"主要因素为"易操作的-难操作的"；"造形"则主要受"圆滑的-方正的"所影响，亦即MP3随身听这类产品除了本身的功能性也要发展了个人风格与特色。

The experimental image acquisition system with serial architecture is established, which utilizes area scan CCD sensor. Systematical experiments on defect recognition method have been carried out, and the results show that our method is feasible and valid.

为验证带钢表面缺陷的机器视觉识别方法的有效性，本文建立了基于面阵CCD的串行结构的图像采集和处理实验系统，对缺陷识别方法进行了较为深入的实验研究，结果证明该方法是可行的。

The operating principle and component of the shadowgraph experimental station were introduced. The clear shadowgraph of target was gained after construction. Using this technique, the calculative method of DT ice thickness and the surface roughness analytic method of target were realized. Through design simulative experiment, the shadowgraph of DT ice was got.

主要介绍了背光成像实验样机的组成及工作原理，讨论了各光学部件的选择，在原理型样机建成后，获得了玻璃微球靶高质量的背光图像，通过对背光影像的光路图分析与测量（测量精度达到1μm），掌握了靶球DT冰层厚度的计算方法；初步建立了靶球二维内外表面粗糙度分析方法；通过设计模拟实验，获得了冰层在微球靶丸内均匀分布后清晰的背光影像。

This paper introduces one method of using deep agitation that can well treat the silt and silty soil with high content of organic matter. Many sets of experimental data and testing results indicate that the method has good effect.

介绍一种用深层搅拌法处理有机质含量较高的淤泥及淤泥质土的方法，通过多组试验数据及检测结果，证明该此理方法效果良好。

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。