查询词典 experimental method

In comparison with the experimental data measured using the ballistic pendulum method, the present calculation method is superior to Pirri's original model.

利用这套实验装置，得到了激光与各种金属靶之间相互作用的时间和空间分辨光谱。

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

Based on the Laser Doppler technology, Information technology, Image Recognition and Process tenology, the laser image characteritics of ultra-fine and non-spherical particles are studied. The laser image recognition method based on neural network theory are obtained. The associated hardware and computer software for analysis of the shape characteristics are developed. The shape characteristics of typical particles such as fire smoke particle and carborundum are studied by using such method. The results of this project are useful to develop the new reliable, accurate and rapid experimental diagnoses technology.

本项目综合应用激光多普勒技术、信息技术和计算机图像识别处理技术，研究了非球形超细微粒的激光影像形成规律，建立了基于神经网络理论的粒子形状特性测量方法并发展了相应的硬件系统及其计算分析软件，并利用该系统研究了火灾烟雾颗粒、金刚砂等典型非球形超细微粒的形状特性，已初步形成了可靠、准确、快捷的新型实验诊断方法，为进一步发展实用的非接触诊断技术提供条件。

Polyethersulfone with cardo was a developed engineering thermoplastic and membrane material with high glass transition temperature,PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and oxalic acid and polyethylene glycol as additives.The membrane morphology forming and evolution could be observed by the experimental system and method.The effect of additive and polymer concentration on cast solution and the gelation kinetics of polyethersulfone with cardo asymmetric membrane were studied.

采用耐高温工程塑料——含酚酞侧基的聚芳醚砜为膜材料，草酸和聚乙二醇为添加剂， N，N -二甲基乙酰胺为溶剂，并利用改进的凝胶动力学实验装置和方法，使之能真实地再现不同膜孔结构生长及发展演化的过程，借助相关软件对图像进行处理，考察了添加剂、聚合物浓度对铸膜液凝胶速度的影响，对酚酞基聚芳醚砜非对称膜的凝胶过程的动力学进行研究。

Comparing with conventional method, the cementation exponent forecasted by the method is consistent with the experimental data.

与传统方法相比较，该方法预测的地层因素的结果更加接近岩电试验资料。

The experimental method was adopted, and the standard steel wire sample and ruler sample were utilized. Firstly determine approximately the position of projection center by adopting the method of DR imagery, and then approaches the accurate position by means of point of golden section.

采用实验的方法，利用标准钢丝样本和直尺样本，先采用DR成像的方法大致确定投影中心的位置，然后利用黄金分割点逼近准确位置。

According to the basic principles of information theory, computer graph processing and the chromatics, this thesis mainly researches on the theory and applications of the color images watermark using the characteristics of the human visual system. And then it discusses the preprocessing method such as Image color inversing and image disordering, especially the method of watermark embedding, watermark extracting and watermark attacking etc. At last, an experimental system about watermark embedding and extracting are accomplished.

本文首先根据信息论、计算机图形处理和色彩学中的基本原理，结合人眼的视觉系统特性，对彩色图像水印的理论与应用进行了研究，然后讨论了如何对水印图像进行反色和置乱预处理，尤其是对水印嵌入过程、水印提取过程和水印攻击方法等进行了深入探讨，并最终设计实现了一套完整的具有水印嵌入与提取功能的实验软件。

Experimental results show the recognition rate of the method is 95%for a known expresser and 72% for a novel expresser. Aiming at the shortcomings of optical flow technique,two improved optical flow algorithms are presented.One way is to introduce forward and backword constraint eqution and Hessian matrix of optical flow equation is computed.The well- posedness of each point of local neighbourhood is examined and the weight of Lucas-Kanade's method is defined as the reciprocal of the conditioning number of its Hessian Matrix.

3针对传统光流法的缺点，分别提出了两种不同的改进方法：其一为引入前向-后向光流方程，计算其Hessian矩阵，把Hessian矩阵条件数的倒数作为Lucas-Kanade光流法的加权阵，可有效消除局部邻域中不可靠约束点，同时提高基本约束方程解的稳定性；其二为针对传统光流法只适用于刚体运动的特点，在扩展约束光流方程的基础上引入了div-curl样条函数作为扩展光流约束方程的附加约束条件，给出了一阶和二阶div-curl样条约束下光流的数值解。

This research has used research techniques and so on literature analytic method, interview law, questionnaire survey procedure, cut-and-try method, the data analysis and the experimental result indicated that, the experience type study theory took one kind emphasized specially experience the new teaching theory, suits specially in music this kind of art class teaching activity.

本研究采用了文献分析法、访谈法、问卷调查法、实验法等研究方法，数据分析与实验结果表明，体验式学习理论作为一种特别强调体验活动的新的教学理论，特别适合于艺术类教学活动。

Methods: Introduce cytopathology experimental methods, human hepatic cancer cell line Bel-7402 co-cultured with Triptolide (10 g/mL, 5μg/mL and 0.25μg/mL), Using MTT method to test the effect of Triptolide on Bel-7402 cell proliferation, using TUNEL technique to test the effect of Triptolide on Bell-7402 cell apoptosis, immunohistochemistry staining method to test Bax and Bcl-2 protein expression.

采用细胞药理学实验方法，人肝癌细胞株Bel-7402与雷公藤甲素（10μg/mL、5μg/mL及0.25μg/mL）共培养，MTT法检测其对Bel-7402细胞增殖的影响，TUNEL技术检测其对Bel-7402细胞凋亡的影响，免疫组织化学染色法检测Bax及Bcl-2蛋白表达。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。