查询词典 seism

A reasonable simplified acceleration is developed, and by which variation of the motion response of the free-standing equipment with the kinetic friction coefficient and explosion seism parameters is obtained.

并根据其特点，提出了合理简化加速度波，采用该加速度波形，分析得到了浮放设备运动响应与动摩擦系数、爆炸地运动参数的关系。

As early as 1927, the rocksy had converted the echo of seism to exhaustive section map of the earth's crust, according to which they spell one kind of 3D model which could open out the status of the oil storage on porous terrane, thus improve the probability of discovery and harvest of oil by 20％.

早在1927年，地质学家就将地震反射声波转换成地壳的详尽剖面图，并据此拼合成一种3维模型，它能揭示多孔岩层中的石油蕴藏状况，从而将石油的发现率和收获率提高20％。

Focusing on the PGE enrichment mechanism in the basic-ultrabasic intrusions in the Panxi rift, firstly, through the interpretation of TM photograph, data processing of regional geochemical exploration and geophysical prospecting results of gravity, magnetic force and seism, we analyzed the controlling effect of structure and magmatic movement on the PGE mineralization; Secondly, through the study of volcanic apparatus, petrography, measurement of comprehensive geochemical section, isotope tracing and dating of typical PGE-rich melanocratic rock series, we discussed the sources of the PGE-bearing mafic-ultramafic intrusions and basalts, their timing, evolvement sequences, the geochemical processes of magma crystallization and fractionation, and the relationship between magma evolution and structural development; Finally, through the analysis of PGE and chalcophile elements concentrations in the melanocratic rock series and the contrastive study with the Noril''sk magmatic Ni-Cu-PGE sulfide deposit, its related continental flood basalts and Siberia Traps, we discussed PGE mineralization characteristics and its enrichment mechanisms in the melanocratic rock series in the Panxi rift.

本项目首先围绕川西地区主要的PGE矿床及伴生矿的地质环境和有关的地质构造背景，通过TM卫片解译、区域化探和重、磁及地震物探资料分析，总体把握构造及岩浆活动对PGE成矿的控制作用；然后通过对典型富PGE暗色岩套的火山机构地质构造、岩石岩相学、地球化学、同位素定年和示踪等方面的工作，分析本区基性－超基性含矿岩体与喷出岩之间的成岩物质来源、侵入时代及演化序列，研究该区同一岩浆房分异结晶的地球化学过程及其随构造发展的耦合关系；最后通过对暗色岩套PGE地球化学剖面分析以及与俄罗斯诺里尔斯克陆内裂谷溢流型玄武岩中PGE矿化的岩石－构造环境对比研究，探讨该区暗色岩套中的矿化特点和富集部位及其PGE富集机制。

Posamentier, and high frequency sequence stratigraphic framework was built base on seismic and drilling analysis, furthermore, cooperating the interpreted result of seism and drill to identity and divide sediment facies can recover paleogeomorphic and paleogeographic environment, and predict profitable oil trap.

本文在H.Posamentier高分辨层序地层学理论的指导下，分别从钻井、地震等方面对整个上区进行较为详细的层序地层分析，建立起高精度的层序地层格架。

The research achievement has been applied in more than 30 coal mines and achieves good results, and this achievement can also be used in seism forecasting for reference.

研究成果已在全国三十多个煤矿进行了推广应用，取得了良好效果，对预报地震也有一定的借鉴作用。

With the purpose of exploration and development of oil gas reservoir, the theoretical and applied studies are done in both seism and logging in this paper

本文以油气储集层的勘探与开发为目标，在地震与测井两方面分别进行了理论的和应用的研究。

It is found that seism process can improve sandstone reservoir quality .

研究发现地震对地层的改造作用能改善砂岩储层的储集物性。

So, the study of the safe store after the structure go through the design seism is of great importance in theory and of practical values.

研究结构在设计罕遇地震后的延性储备，对于建筑结构抗震设计具有重要的理论意义和实用价值。

The results in this dissertation explain some electromagnetic perturbations during seism and during rock failure.

这一研究结果能够较好地解释地震和岩石动力破裂过程中的电磁扰动现象。

Seism in Sichuan Province is measured 7.8 on the Richter scale.

此次发生于四川的7.8级地震至少5人死亡。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。