- 更多网络例句与指数轨迹相关的网络例句 [注:此内容来源于网络,仅供参考]
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The method of the research in the paper is impellent,and the basal research course is the following.Firstly,the author uses the Theil coefficient and Gini coefficient to analyze the regional economic gap,and decomposes the structure in China.At the same time,the author tests theσconvergence,the absoluteβconvergence,the conditionalβconvergence and the club convergence.Secondly, the author analyzes the forming reason and mechanism of the regional economic gap in China.
本文研究过程中采取逐步深入的推进方法,其基本研究思路是:首先,使用基尼系数和泰勒指数对中国地区经济发展差距的历史演变轨迹进行了分析,并对其形成结构进行了分解,同时对中国经济增长的σ收敛、绝对β收敛、条件β收敛和"俱乐部"收敛进行了检验,以此为基础形成了对中国地区经济发展差距的全面了解;其次,以新古典增长理论和新增长理论为基础对中国地区经济发展差距的形成机制进行了分析;再次,以FDI非均衡分布为视角对中国地区经济发展差距的形成机制进行了解释;最后,提出了本文的政策建议。
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This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV ( particle Tracking Velocimetry ) technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.
本文以齿形流道、梯形流道为主要研究对象,以流道转角、流道高,流道宽、偏差量及梯形流道上底宽为主要结构参数,首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟,分析了不同结构参数对流态指数和流量系数的影响,其次,应用 CFD 两相流(含沙量为1%)数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响,然后,应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度,分析了影响固体颗粒运动特性及流道内流体流态的基本因素,最后,对上述流道结构形式通过模具加工及滴灌带试制,进行了标准化测试( GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序),测试结果验证了 CFD 模拟结果,并提出了迷宫结构流道灌水器的抗堵塞设计方法。
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The phase pattern of velocity of molecular motion is compared in saturated state of liquid phase and vapor phase.
应用本文提出的约化规模法,获得了不同温度条件下分子分数布朗运动的Hurst 指数和轨迹分维数
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This project was conducted starting with the three interrelated subjects the structural characteristics of desertification landscapes in different bioclimatic zones, desertification driving factors and their function mechanism, and the dynamic model of landscape space for the occurrence and development of desertification in representative desertification regions and on the basis of in-depth studies of the relations between landscape structural characteristics and processes of desertification and their stability; the driving force of different time-space scales of desertification and their proportion, manifestation form, and action mechanism in the desertification processes; and the establishment of threshold conditions for the surface wind erosion and has achieved important progress in the definition of desertification conception
本课题从三个相互联系的专题(即不同生物气候区荒漠化景观的结构特征、荒漠化驱动因素及其作用机理、典型荒漠化地区荒漠化发生与发展的景观空间动力学模型)入手,在深入研究荒漠化景观结构特征与过程的关系及其稳定性,不同时空尺度的荒漠化过程驱动力及其在荒漠化过程中所占比重、表现形式及作用机制,地表风蚀临界条件的确定等内容的基础上,虽未建立荒漠化景观空间动力学模型,但在沙漠化概念,末次间冰期以来沙漠化过程时间序列和特征冷暖时期沙漠、沙地空间分布格局,现代沙漠化过程中自然因素和人文因素的作用、贡献率、沙漠化土地对气候的反馈作用以及风蚀临界值,沙粒跃移轨迹参数和能量分布,我国沙漠化防治思路和对策,沙尘暴区划和沙尘暴指数等方面取得了重要进展。
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The thesis also discussed the synthetic influence of above factors on dynamic diagenesis in detail and graded dynamic diagenesis into three types, which were respectively thermally dynamic diagenesis, tectonically dynamic diagenesis and hydrokinetic diagenesis, and then the types of diagenesis controlled by dynamic factors had been studied: 1 thermally dynamic diagenesis, clarified the ration relationship by the conception of the thermally evolving track and the thermally maturity, 2 tectonically dynamic diagenesis, changed the porosity of reservoir mainly by tectonically movement;3 . hydrokinetic diagenesis, changed the physical and chemical properties resist-press intensity of the rock by the participating of liquid.
在研究以上控制因素的基础上,将成岩动力作用分为热动力、构造动力、流体动力成岩作用三种类型:1、热动力成岩作用,运用热演化轨迹和热成熟度的概念研究与成岩作用之间的定量关系,砂岩孔隙度随热成熟度增加而呈指数减小;2、构造动力成岩作用,盆地构造变形可以使砂岩的孔隙体积在相对短的时间内产生明显的变化,构造滑脱推覆作用比水平侧向挤压作用压实减孔量小,可保留更多的孔隙度;3、流体动力成岩作用,化学成岩反应是在流体参与下完成的,它改变了岩石的物理化学性质,改变了岩石的抗压强度。
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Based on the publicized state informatization quotient,and combining with data that getting from investigation and rational mathematics,firstly it expatiated on which status of Henan information economy in China,by macro,mesne and micro observational granularity Secondly,it is analyzed what is the causes of the current situation according to both comparing with other typical provinces in transverse and tracing development data of Henan information economy in lengthways,in static and dynamic aspects individ...
以国家公布的信息化水平指数体系结构和测评数据为基础,结合调查数据和合理的数理推算,首先从宏观、中观和微观三级粒度阐述了河南省信息经济的地位;而后,从静态和动态两个方面,分别以横向与典型省份比较和纵向追踪河南信息经济历史发展轨迹两种手法分析了形成现有地位的原因;最后得出了政策对信息经济有导向作用,坚持远近效益结合,实现既定目标是可行的结论
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The bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. The bifurcation diagrams, maximum Lyapunov exponent diagrams, Poincaré maps, phase plane portraits, trajectories of journal center, time-history curve, amplitude spectra diagrams of the rotor motion are used. The convert and evolution course of periodical response, quasi-periodical response, double-periodical bifurcation, chaos of the system response is analyzed.(3). It is deduced that the general differential equation of bending-torsional-pendular coupling vibration about rotor with the gyroscopic moment. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced.
2建立了具有非线性刚度的转子系统在非稳态非线性油膜力作用下的径向碰摩动力学微分方程,并应用含高阶余项的非线性动力方程的线性化数值法研究了此类系统响应的复杂动力学行为,利用转子响应的分岔图、最大Lyapunov指数曲线、Poincaré截面映射、时域波形、相轨线、轴心轨迹、幅值谱等图形分析了系统响应的周期运动、拟周期运动、倍周期分岔、混沌等运动形式的转化与演变过程,重点研究了非线性刚度、转子转速、偏心质量等系统参数对碰摩故障转子系统的分岔和混沌行为的影响。
- 更多网络解释与指数轨迹相关的网络解释 [注:此内容来源于网络,仅供参考]
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CVI curve variation index:髁突运动轨迹平滑程度指数
CT computerized tomography 电子计算机体层X线摄影 | CVI curve variation index 髁突运动轨迹平滑程度指数 | D dentin 牙本质
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air torrents:空气急流
空气解冻指数 air thawing-index | 空气急流 air torrents | 空气轨迹 air trajectory
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Lyapunov exponents:李雅谱诺夫指数
4李雅谱诺夫指数(Lyapunov exponents)它是标志两条在起始位置有微小差异的轨迹线当时间趋于无穷时两者的发散率. 最大李雅谱诺夫指数的正负是屈服周期解和混沌解的标志. 一稿多投是指同一作者或同一研究群体不同作者, 在期刊编辑和审稿人不知情的情况下,
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CT.- computerized tomography:电子计算机体层X线摄影
CSSI calculus surfaces index 牙石指数 | CT computerized tomography 电子计算机体层X线摄影 | CVI curve variation index 髁突运动轨迹平滑程度指数