seis
- 网络地震;战略性新兴产业;国家经济信息系统;共享环境信息系统;自我效能感综合量表
![seis](../cache/245900.jpg)
-
Apparent velocity and polarization are important characters of seis - mic wave .
视速度和偏振是地震波的两个重要特性。
-
There were also some seis - mic activities on the eastern part of the Eurasian belt and strong earthquakes also occurred in the east of Baikal Lake region .
亚欧带东段继续有地震活动,贝加尔湖以东地区发生强震。
-
Qualitative Analysis of a Dynamic SEIS Epidemic Model with Quarantine Items
一类具隔离项的动态SEIS模型的定性分析
-
Dynamic Behavior of the SEIS Model with the Saturating Contact Rate
具有饱和接触率的SEIS模型的动力学性质
-
Global asymptotic stability of an SEIS epidemic model with constant input
具有常数输入的SEIS模型的全局渐近稳定性
-
SEIS + + : A Pattern Language for Seismic Tools Construction and Integration
SEIS++:一个油气勘探领域软件建造和集成的模式语言
-
Qualitative analysis of a kind of SEIS model with general saturating contact rate
一类具一般形式饱和接触率的SEIS模型的定性分析
-
Analysis of Global Dynamic in an Epidemical SEIS Model
一类SEIS流行病模型的全局动力学分析
-
The Dynamics of SEIS Epidemic Model with Diffusion Terms
具有扩散项的SEIS传染病模型的动力学
-
Dynamics of Non-autonomous SEIS Epidemic Model with Bilinear Incidence Rate
具有双线性发生率的非自治SEIS传染病模型的分析
-
Properties of positive sets and negative SEIS about signed measure and Hahn decomposition
关于广义测度正负集的性质与Hahn的分解
-
A kind of combined epidemic models of SEIR and SEIS with varying total population size
一类总人数变化的SEIR和SEIS组合传染病模型
-
Design and application of acquisition layout of regional seis - mic profile in Nanxiang basin
南襄盆地区域大剖面采集观测系统的设计与应用
-
A class of the combination of SEIR and SEIS epidemic model with constant recruitment
具有常数输入的SEIR和SEIS组合传染病模型
-
It is an important and essential point in the field of earthquake engineering to assess seis - mic damage of building structures .
如何衡量地震作用下结构遭受的损伤程度,一直是地震工程研究领域的一个关键而又难以解决的问题。
-
Compared to the other software of the same kind both domestic and overseas , the SEIS system has such major features as information integration , data regional and practical characteristics .
较之国内外同类软件,具有信息的集成性、资料的区域性和数据的实用性等主要特点。
-
In neritic area , the variable period reverberation caused by seabed terrain fluctuation is the main disturbance factor to the seis - mic data quality .
在滩浅海地区,由海底地形起伏引起的变周期鸣震是影响资料品质的主要干扰因素,已有的压制海底(?)
-
The carbonate reservoir is making up of pore , cranny and cave . The heterogeneity is strong . The quality of seis - mic data is not good .
碳酸盐岩储集体主要由孔、缝、洞组成,非均质性强,地震资料的品质不高,孔、缝、洞在地震资料上的特征不直观,很难直接识别。
-
In this paper , a kind of SEIS model with general saturated contact rate is studied and the threshold , a basic reproductive number which determines the outcome of the infectious disease is found .
研究具有一般形式饱和接触率SEIS模型渐近性态,得到决定疾病绝灭和持续的阀值-基本再生数R0.当R0(?)
-
ORFEUS is an acronym for Observatories and Research Facilities for European Seis - mology , and is a joint program of 25 units from 13 European countries .
ORFEUS计划是欧洲地震观测和研究设施的科研计划的简称,是欧洲13个国家25个单位的联合计划。
-
This paper establishes an SEIS epidemic model that incorporates quarantine items and a varying total population size , obtains the asymptotical stability point and bifurcation , and discusses Hopf bifurcation and limit cycle .
建立了一类具隔离项和人口动态变化的新的SEIS模型,得到了平衡点的渐近稳定条件,讨论了系统的Hopf分岔和极限环。
-
This paper presents approaches and principles for building Soil Erosion Information System ( SEIS ) in loess regions , discusses the method to extract soil erosion factors automatically using computer and the approaches to build prediction model of soil erosion .
本文介绍了黄土地区土壤侵蚀信息系统的建造原理与方法。分析探讨了土壤侵蚀各因子计算机自动提取的算法,以及土壤侵蚀预测模型的构造方法,并用灰色控制系统的原理确定了模型的参数。
-
According to the monitoring ability of Shanghai Telemetered Seis - mic Network in 1987 , we calculated its location accuracy with statistical model , the result shows that the horizontal errors of the epicenter is about two kilometers .
根据1987年上海台网的观测能力,导出了估算震中定位误差的统计模型,计算了它的定位精度,结果显示网内的震中位置水平误差大约为2km。
-
Starting from frequency-domain 3-D acoustic wave equa - tion , this paper presented a 2.5-D crosswell waveform inver - sion method by accounting for the uniqueness of crosswell seis - mic .
从频率域三维声波方程出发,结合井间观测中的三维点源二维介质的特殊性,提出了2.5维井间波形反演方法。
-
Based on the principle of sequence stratigraphy , through analyzing the features of high resolution seis - mic data , a seismic sequence model is proposed to substitute the seismic convolution model , so as to evaluate the reliability of seismic resolution .
根据层序地层学原理,分析了高分辨率地震资料的特点,并据此提出了一个地震层序模型,以代替地震褶积模型,用以评价地震分辨率的可靠性。
-
This paper aimed to study a kind of SEIS epidemic model with latent period and Nonlinear infection rate β S ~ qI ~ p. Conditions and threshold to the existence of various equilibriums were established and stability of the equilibriums were discussed .
研究了一类具潜伏期和非线性传染率βSqIp的SEIS流行病模型,确定了各类平衡点存在的条件阈值,讨论了各平衡点的稳定性。
-
The spectrum of seis - mic wave reflects the filter and absorption effect on the earth . By use of the spectrum of main target layer data , the energy attenuation curve and compensation curve with frequency can be determined , which is the base of nonlinear scanning design .
非线性扫描设计的基础是,地震波的频谱反映了大地的吸收和滤波作用,利用主要目的层段的频谱特征,求出地震波能量随频率变化的衰减曲线,进而求出大地滤波的补偿曲线。