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pattern evolution     
相关语句
  图像演化
     CHARACTERISTICS OF SEISMICITY PATTERN EVOLUTION BEFORE THE WEST KUNLUN MOUNTAINS EARTHQUAKE WITH M s8.1
     昆仑山口西8.1级地震前地震活动图像演化特征
短句来源
     Tracing research of the earthquake activity was made in this paper using the time-space scanning by selecting the two indexes of the seismicity pattern evolution and seismology parameter change.
     本文选取地震活动图像演化和地震学参数变化两项指标,采用有时间段的时空扫描进行演化研究,逐步将这种演化研究推进到短期阶段进行跟踪研究。
短句来源
     The gravity datum from 1992 to 1997 in North Qilian Hexi region are analyzed and the pattern evolution characteristics of gravity field before and after Yongdeng earthquake are studied by dynamic viewpoint.
     对北祁连河西地区1992~1997年的重力资料进行了处理分析,从动态的观点研究了永登地震前后重力场的图像演化特征。
短句来源
  图象演化
     NEW PROGRESS IN STUDY ON SEISMICITY PATTERN EVOLUTION AND ORDERLINESS AND ITS APPLI CATION IN SHORT-TERM PREDICTION
     地震活动性图象演化及有序性在短临预报中应用研究的新进展
短句来源
     The algorithm complexity AC value in analyzing the time series of non-linear dynamics and generalized space-time fractional dimension ( Dt, Ds) of seismicity are applied to the study on seismicity pattern evolution and orderliness, and new parameter, i.e. the evolutionary index YH, is proposed for synthetically describing the seismicity pattern.
     研究将分析时间序列的非线性动力学中的算法复杂性AC值、地震活动广义时间空间分维(D_1、D_s)引入地震活动短临阶段图象演化有序性研究,提出综合表征地震活动有序性新参量——演化指数YH。
短句来源
  形态演化
     NON-STEADY STATE DIFFUSION FIELD AND PATTERN EVOLUTION IN INITIAL TRANSITION PROCESSING OF REGULAR EUTECTIC GROWTH
     规则共晶初始过渡区非稳态扩散场与形态演化
短句来源
  形势演变
     An Analysis on Circulation Background and its Pattern Evolution in October 2000
     2000年10月环流背景及形势演变分析
短句来源
     The circulation background and its pattern evolution of 100hPa and 500hPa in October 2000 are analyzed from the angle of extended forecast.
     从中期天气预报角度分析了 2000年 10月 100hPa和 500hPa上的环流背景及其形势演变
短句来源

 

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  pattern evolution
The purpose of this paper is to investigate the energy focusing pattern evolution in the parameter space while the wave fronts propagate in the anisotropic fluid-saturated porous media.
      
The effect factors on the fatigue mechanism and the thermodynamic and dynamic criteria of the dislocation-pattern evolution are discussed.
      
the relaxational nature Of the viscoelastic ellèct plays an imporumt role in pattern evolution.
      
Chrysophyte stomatocysts that possess honeycomb or ridge patterns could be regarded as 'frozen moments' of the pattern evolution during the silicate gel phase.
      
In summary the characteristics of the marsh landscape pattern evolution during the 16 years are affected by multiple driving factors.
      
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On the base of study about distribution, structure and evolution of land pattern unit and ecologic design,this paper further researched land pattern evolution and ecologic design in northern Shanxi. It also formed land ecosystem network of land basis pattern unit by ecologic design of land pattern unit in typical region and regular combine of ecosystem function and land pattern unit ecologic typical region. Its aim is to control land evolution tendency artificially combiniing with...

On the base of study about distribution, structure and evolution of land pattern unit and ecologic design,this paper further researched land pattern evolution and ecologic design in northern Shanxi. It also formed land ecosystem network of land basis pattern unit by ecologic design of land pattern unit in typical region and regular combine of ecosystem function and land pattern unit ecologic typical region. Its aim is to control land evolution tendency artificially combiniing with production and to present ecologic design pattern with regular and general sense. It provided scientific basis for controling loess plateaue and realizing construction principle of combining farming, foresery with animal husbandry in forestry and animal husbandry as main item.

本文是以往在陕北黄土高原有关土地及其形态单位的分布、演替和生态设计研究的基础上,对陕北黄土高原土地演替与生态设计模式的进一步研究;通过对典型地段土地形态单位的生态设计模拟,并由土地形态单位生态样地和生态功能地段的有规律结合,构成土地基本单位的土地生态系统网络;目的在于人为的控制土地的动态演替趋势,并与现实生产紧密结合起来,提出一个带有规律而具有普遍意义的生态设计模式。为治理黄土高原,实现以林牧为主、农林牧综合发展建设方针的规划设计,提供科学依据。

The Huangnmng rock body outcropped on the eastern part of the northern margin ofNorth China platform,from young to new,(except for the Mcsozoic intrusive rocks)can bedivided 7 units,combining 2 series and 2 independent units,Among them,the Caoqiaiigzi se-ries and the Huangniling series are main parts of the rock body,showing the following evolu-tionary regularities,i.e. basic-intermediate-rnedium acid-acid;the trend of chondrite-normal-ized REE Pattern evolution is from gentle to right inclined type;the...

The Huangnmng rock body outcropped on the eastern part of the northern margin ofNorth China platform,from young to new,(except for the Mcsozoic intrusive rocks)can bedivided 7 units,combining 2 series and 2 independent units,Among them,the Caoqiaiigzi se-ries and the Huangniling series are main parts of the rock body,showing the following evolu-tionary regularities,i.e. basic-intermediate-rnedium acid-acid;the trend of chondrite-normal-ized REE Pattern evolution is from gentle to right inclined type;the texture is fine-medium-porphyroid.The rock body underwent the evolution(P_(t3) ∈_3)from the synchronous cillision stageto late Orogenic period, showing NW banded distribution, with the symmetrical two sides;the old one is on both sides and the new one is in the center. The emplacement mechanism ofthe rock body underwent hot spot- spreading- expanding stages, having the spreading charac-teristics similar to the mid- oceanic ridge basic dike swarm i.e. finally,resulting in the forma-tion of colnpound plutonic complex body with more than 4 stages.

黄泥岭岩体出露于华北板块北缘东段,自老至新(剔出中生代侵入岩后)可划为七个单元,归并为两个序列,两个独立单元。其中菜子序列和黄泥岭序列为岩体的主要组成部分,演化规律:由基性—中性—中酸性—酸性;稀土元素球粒陨石标准化图式由较平缓型向右倾型演化;结构由细粒—中粒—似斑状。岩体经历了同碰撞期—造山晚期演化阶段(Pt_3—∈_3)。呈两侧对称的北西向带状展布,老的在两侧,新的处中间。岩体的就位机制经历了热点—扩张—扩充三个阶段,颇具大洋中脊基性岩墙群依次向外扩张的特点,最终形成了具四期以上侵入活动的复式深成杂岩体。

It is quite difficult to apply the seismicity pattern in the short-term prediction, and at present it has no obvious progress at home and abroad. In this study, the successive tracking scanning is used in time-space-magnitude 3 dimension windows. The key difference from others lies in selecting the domains,including length of time (T), space (S) and magnitude (M0)) rather than single value. The stability is checked in time-space-magnitude 3 dimension windows, and the aim is to get the stable and ordered evolutionary...

It is quite difficult to apply the seismicity pattern in the short-term prediction, and at present it has no obvious progress at home and abroad. In this study, the successive tracking scanning is used in time-space-magnitude 3 dimension windows. The key difference from others lies in selecting the domains,including length of time (T), space (S) and magnitude (M0)) rather than single value. The stability is checked in time-space-magnitude 3 dimension windows, and the aim is to get the stable and ordered evolutionary pattern (not changed with M0). The authors have found the sign of pattern evolution when the system reached the short-term stage: moderate earthquake quiescence, impending earthquake gap, significant earthquake, stress window effect, piece-strip distribution, approximating earthquake, and the criteria are given.The algorithm complexity AC value in analyzing the time series of non-linear dynamics and generalized space-time fractional dimension ( Dt, Ds) of seismicity are applied to the study on seismicity pattern evolution and orderliness, and new parameter, i.e. the evolutionary index YH, is proposed for synthetically describing the seismicity pattern. The authors design the seismic cell automatic model containing faults and stiff blocks. This provides the theoretical basis for application of those new orderliness parameters.20-26 strong earthquake examples occurred within the country are checked in this study.

将地震活动图象方法推进到短临阶段有很大难度,目前国内外尚无明显进展。本研究在时间、空间、震级下限三维空间进行多窗口连续追踪扫描,与以往和他人不同的关键是选取适当的时间窗长T、空间窗长S、起始震级M_0的值域,而不是单值,在空间、时间、强度3个轴向进行稳定性检验,以获得稳定而又有序的演化图象为目标(不随M_0变化而变化),找到了系统进入短临阶段的图象演化标志——中等地震平静、临震空区、显著地震、应力窗口效应、条块分布、逼近地震,并分别给出判据指标。 研究将分析时间序列的非线性动力学中的算法复杂性AC值、地震活动广义时间空间分维(D_1、D_s)引入地震活动短临阶段图象演化有序性研究,提出综合表征地震活动有序性新参量——演化指数YH。为这些有序性新参量的应用提供理论依据,设计了有断层和硬块体存在的地震细胞自动机模型。 上述全部研究对国内20—26个强震震例进行了回顾和展望性检验。

 
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