查询词典 method study

Objective:to study the probable degradation of flutamide under the condition of light, heat, acid, alkalic and oxidation,and to evaluate the ability of the analytical method to separate degradation products.methods: hplc method of related compounds of flutamide in ep5.0 was used and flutamide and impurity contents were calculated by percentage area method.

目的：研究氟他胺在高温、光照、酸性、碱性和氧化条件下可能发生的降解。方法：根据欧洲药典5.0（ep5.0）中氟他胺有关化合物的hplc测定方法，以百分面积法计算主成分含量和杂质含量。

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.

它将为制定水资源的可持续发展目标和战略决策提供科学依据，为制定社会、经济可持续发展战略提供理论基础。基于以上考虑，论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨：①全面回顾了&可持续发展&概念的由来与演变，对国内外&可持续发展&的研究现状进行了述评，并对&可持续发展&概念的科学内涵进行了深入探讨；②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述，对目前仍然存在的一些错误观点和混乱认识提出了自己的见解；③全面阐述了地下水资源变值系统理论的内容和意义，并与传统的地下水资源计算评价方法进行了对比分析，结合实例具体说明了方法的应用；④深入分析了地下水资源预测预报工作的极端重要性和复杂性，对传统的地下水资源动态预测方法进行了全面的评述，指出了各类预测预报方法的特点及适用条件，对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围，以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍，并应用于地下水动态过程线的分析，采用时间序列中的B-J法，蒙特卡罗方法，与地下水资源变值系统理论相结合，探讨了地下水动态资料分析和地下水资源预测预报的新思路；⑤综合分析了现今各类地下水管理模型的特点及缺陷，将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度，使模型更准确、更实用；⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析，内部条件主要是正确的资源观，科学的资源计算与评价方法，可靠的资源预测预报技术，可操作的资源管理措施，外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等；⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发；⑧指出了地下水资源可持续开发的进一步研究方向。

Firstly,we particularly explained the algorithmic of themusic recognition.Then,we made a study of the music characteristic and the musicrecognition methods.As for the burrs of the music signal,we put forward a curveplastic method to eliminate the burrs.Considering the difficulties of detecting thepoint of the music speech,we made use of the multi-frequency energy curve to detectthe end-point of the music signal with the crossing zeros rate.As for thedisadvantages of the large operation and influence of the formant,we improved theAMDF theory with the linear prediction algorithmic to detect the error.In order toobtain the characteristic parameter of the music signal,wo calculate the MFCCparameter to obtain the template and the pending signal characteristic parameter.Inorder to improve the rate of the recognition,considering the disadvantages of theDTW algorithmic,we find a new method to improved the DTW algorithmic bybroadening the point of the music signal and made simulation experimentation;As forthe disadvantages of the contraposition grade to the pitch,cadent and sing name,wefind a method to dynaic adjust the results of the recognition to improve the accuracyof the grade.

详细阐述了嵌入式音乐识别算法的详细设计与实现，研究了音乐语言的特点和音乐识别的侧重点，并阐述了基于音乐信号特色的语音处理及识别方法；针对音乐信号中的毛刺干扰，提出了曲线整形的思想，消除了音乐信号中的毛刺；针对音乐信号端点检测困难的特点，利用多频段能量曲线分割结合过零率来实现端点准确检测；针对音高提取运算量大且容易受共振峰影响的特点，利用线性预测残差的方法对传统的AMDF算法进行了改进并提取出了音高，在实际实现时，优化了AMDF算法，减少了计算量；为了得到较好的特征参数，通过求取梅尔频标倒谱系数的方法，分别提取了模板信号特征参数和待测信号特征参数；为了提高识别率，针对传统DTW算法的缺陷，采用了放宽端点和声刺激法改进了传统的DTW算法的性能并进行了仿真试验，使音乐识别率得到明显提高；在音高、节奏评分时，针对对位评分的缺点，采取了动态调整的方法提高了评分的准确度。

The statistical study of detrital composition of sandstones is carried out in order to distinguish rock types and features of provenance, and the common statistical methods includes the visual estimation method, the area-counting method, the line-counting method, and the point-counting.

砂岩碎屑组分统计是确定岩石类型和物源区特征的主要方法之一，常常采用的方法有目估法、面积法、直线法和点计法。

Aiming at a class of complex electromechanical systems, such as 4-high or multi-high cold mills and continual mills, we firstly construct mathematical models of every subsystems by means of structural principle modeling method; nextly, get the overall mathematical model of electromechanical drive system by joining together these subsystems'models according to coupling variables and parameters; we finally simplify the overall model according to time-scale principle which can retain main eigenvalues and significant state variables, and obtain a practical mathematical model of complex electromechanical system. By simulating the CM04 temper mill's model constructed by above-mentioned method, we test and verify that the modeling method is effective and practical. The study analyzes and researches the electromechanical coupling facts and acting laws existing in complex electromechanical system.

提出了系统的总体测试方案，设计了高保真度的信号隔离和缓冲器，解决了从大功率、大电流复杂机电系统主回路中提取真实谐波分量、而又能不影响系统正常运行的难题；发现了谐波电流对平整机工作状态的影响规律；确认谐波电流是可能引起平整机工况奇异、产生机电耦合振动、导致带材产品表面出现明暗振纹的一个因素；提出了一种多相整流电路谐波电流的分析计算方法，用该方法对平整机三相桥式整流供电电路的谐波分量进行了理论分析和计算，计算结果与实测结果能得到相互验证，说明该方法是可行的，实测结果是可靠的。

This paper mainly study some nonlinear evolution equations with physical background by using the homogeneous balance method and the tanh method, based on the soliton theory and method.

本文基于现有的孤立子理论与现代计算机技术，运用齐次平衡法及tanh函数法，研究了多种具有物理背景的非线性发展方程。

Objective］ The study aimed to screen the fungicides that had evident antibacterial effect against Ustilaginoidea virens and their best mixed ratio.［Method］ The U. virens strains were separated from rice panicle that had severe disease in rice field of Yaan, 6 fungicides and validamycin and diniconazole mixed with different ratio were selected to carry out the indoor toxicity test on mycelia growth of U. virens with mycelium dry weight method, and the interaction of mixed fungicides was evaluated according to the method of Wadley.

［目的］筛选出对稻曲病菌抑菌效果显著的杀菌剂及其最佳混配比例，［方法］从雅安稻田发病严重的稻穗上分离出稻曲病菌株，选择6种杀菌剂以及井冈霉素和烯唑醇不同混配比例，用菌丝干重法对稻曲病菌菌丝的生长进行室内毒力测定，并根据Wadley方法评价混剂的相互作用。

In order to know the evolutionary relationships between false vein, ISC, and VSC in Pteridaceae, 19 grnera and 82 species in Pteridaceae were sampled in this study; silica deposition types, ordinary epidermal cell morphology and veinal epidermal cells morphology of these species were surveyed. On the other hand, a convenient method was developed for this goal. In this method, a tabletop SEM with backscattered electron detector accompanied by post-cooling method was used.

为进一步探讨凤尾蕨科假脉、脉间矽异形细胞与脉上矽异形细胞之间的关系及其於凤尾蕨科内的演化，本论文选取19属82种的凤尾蕨科植物，观察其叶表面之二氧化矽堆积型式、一般表皮细胞形态以及脉上表皮细胞形态；同时，也开发出利用侦测背向散射电子之桌上型扫描式电子显微镜配合后冷却技术(post-cooling method)之快速检测法，该方法利用背向散射电子讯号强弱与平均原子数(average atomic number， Z number)之相关性得到矽异形细胞与一般表皮细胞具有明显对比之影像。

We observed the changes of the proprioceptors in the partly injuried ACL and the xenogeneic graft/artificial graft being used to reconstructing the injuried ACL with gold chlorid staining method and laser copolymerization electron micrography method to observe the morphological changes of the neuromechanism in the ligament tissue,with RT-PCR method to evaluate the proportion and the regeneration of the nerve component and with HRP retrograde tracking technology and electrophysiologic study to judge the functional changes of the neuromechanism in the ligament tissue,respectively.

本研究分别制作兔ACL部分损伤动物模型、异种肌腱移植物重建损伤ACL动物模型和LARS人工韧带重建损伤ACL动物模型，分别于术后不同时间点对损伤ACL/移植物进行氯化金染色光学显微镜检查和PGP9.5免疫荧光染色后激光共聚焦电子显微镜检查观察韧带内神经结构形态学变化，用RT-PCR法检测韧带中GAP-43和PGP 9.5的mRNA表达情况以评价损伤ACL/移植物内神经成分比例及神经再生情况，通过HRP逆行追踪技术和电生理检查(包括体感诱发电位和腘绳肌肌电图)评价损伤ACL/移植物内神经结构的功能情况。

Based on the study on the traveling salesman problem, in this dissertation, some results on the solving of production scheduling problem using the neural networks are described, which includes the following main parts: l The method which was put forward by Hopfield－Tank of solving the traveling salesman problem is analyzed, and the drawbacks of the method are pointed out. The interlinks between optimal tours and city distribution in the clustering and divide and conquer method are analyzed. A parallel network algorithm on the problem of the traveling salesman problem is presented.

主要包括以下几个方面的内容： 1对Hopfield和Tank提出的解决旅行商问题的方法做了分析和研究，指出该方法的严重不足；对于用聚类方法和各个击破的思想解旅行商问题，分析了最优路径与城市分布之间的几个关系；提出了一个解决旅行商问题的并行网络算法，由这一算法得到的解是&or-optimal&路径。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。