dynamic adj. 1.动力的,动力学的;力学(上)的;动(态)的;起动的。 2.有力的,有生气的;能动的;(工作)效率高的。 3.【音乐】力度;强弱法的。 4.【医学】机能(上)的。 5.【哲学】动力论的,力本论的。 a dynamic personality 活跃的性格。 a dynamic atmosphere 生气勃勃的景象。 a dynamic population 动态人口。 n. 〔限指 dynamic〕 (原)动力;动态。 adv. -ally
From the statistics on the slope coefficients of the dynamic curves with the elongation ratio of 1 . 4 in the pressure of 60 - 100mmhg , 80 - 120mmhg , 100 - 140mmhg , we can conclude that there is no significant difference between the slope coefficients of the dynamic curves in different pressure 而在伸长比为1 . 4 ,压力水平分别为60 - 100mmhg , 80 - 120mmhg , 100 - 140mmhg时,动态曲线的斜率进行统计的结果表明,不同压力水平下的动态曲线斜率不具有明显差异。
The analysis of x - rd of the corrosion products is adopted ; the curves of add weightiness of corrosion is translated into the thermal dynamic curves , so we can judge the corrosion mechanism by the thermal analysis . the method is fresh and innovation , which made the means of researching and the content enriched 并对腐蚀产物进行x - rd衍射分析,对腐蚀增重曲线进行转化,利用热分析动力学的分析方法对反应机理作出判断,从理论上研究锅炉水冷壁高温腐蚀机理。
Based on consider hereinbefore , this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed 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 " ; ( 2 ) looked 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 ; ( 3 ) expatiated 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 ; ( 4 ) thorough 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 ; ( 5 ) synthetically 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 ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation 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 ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy , earth system science , and philosophy ; lint out the more directions on groundwater resources 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: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;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;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;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;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;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,内部河海人学博卜学位论文前言、摘要、目录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;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;指出了地下水资源可持续开发的进一步研究方向。
Among the six models , model a and model b can be used to study the vehicle stability and curve negotiation under different track situations . model c and model d can be used to carry out the stability , dynamic curving behavior and ride comfort of the high - speed passenger car . model e and model f are three - dimension train dynamic models which consist of three cars ( head car , intermediate car and tail car ) 所建立的6种动力学模型中,模型a和模型b可用于研究不同轨道条件下车辆的运动稳定性及动态曲线通过性能;模型c和模型d可以用来研究车辆的运动稳定性、动态曲线通过性能及运行平稳性;模型e和模型f是列车系统动力学分析模型,都是由三节车组成的列车单元,三车列车模型作为一个最小的列车单元,包含了头车、中间车和尾车,已能够反映整个列车的动力学特性。
The paper build a model of electric ship power system , include the model of motor and generator derived from simulink , the model of propeller build by the author , the model of load flow . after the process of model simulation , the dynamic curve of electrical ship were drawn out 应用simulink已有的电机模块,再自行建立螺旋桨的simulink模型,结合数据库模块和用户自定义的s函数模块,建立了电力推进船的船?机?浆匹配模型,并进行了仿真计算和动态特性模拟,并进行了仿真结果分析。
A developed measuring system and test method of green sand properties are introduced . by means of measuring the standard molding sand specimens , the dynamic curves of stress - strain can be quickly and accurately plotted out and several parameters , which represent the characteristics of molding sand , can be tested during the process of compressive deformation . in this brand new method of property measurement two new concepts of viscoelastic parameter and plastic deformation threshold are put forward 介绍了一种研制的型砂性能检测系统与测试方法,通过对标准砂样的测试,能迅速、准确地测得砂样受载过程中的应力应变的动态关系曲线及反映型砂本质特征的几项性能参数,这是型砂性能检测领域中的新探索,其中型砂粘弹性指标及塑性变形临界值乃是型砂性能方面的新概念。
This system is easy to operate ; the interface is friendly , offering the real - time change of various kinds of environmental factors in the greenhouse to observation in the form of dynamic curve . by revising environmental control parameter , this system realizes the purpose of interfacing operation online in a real meaning 本系统操作方便,界面友好,以动态曲线的形式直观为用户提供了温室内的各种环境因子实时变化情况,并且通过修改环境控制参数,实现了真正意义的在线干预温室运行的目的。