震源特徵 的英文怎麼說
中文拼音 [zhènyuántèzhǐ]
震源特徵
英文
source signature- 震 : Ⅰ動詞1 (震動) quake; shake; shock; vibrate 2 (情緒過分激動) be greatly excited; be deeply ast...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 震源 : [地球物理] focus; seat; hearth; centre; centrum; origin
- 特徵 : characteristic; feature; properties; aspect; trait
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The wave motion bears the key signature imparted by the nature and extent of the source.
波動具有由震源的性質和范圍造成的主要特徵。Studies on the earthquake sequences and the source mechanisms of the strong earthquakes show that yunnan has more obvious subarea characteristics of earthquake type
摘要對雲南地震序列和強震震源機制的分析與研究表明,雲南地區具有較明顯的地震類型分區特徵。Some dynamic anomalies of seismic subsurface fluid in yanbian area beforehunchun deep earthquake with m = 7. 0 on april 8, 1999 are introduced, and their basic fea - tures are analyzed
介紹了1999年4月8日琿春7 . 0級深源地震前延邊地區地震地下流體動態的典型異常,初步分析了深源地震前地下流體異常的基本特徵。The result shows, the source parameters for example seismic moment, corner frequency and stress drop and so on is relative with magnitude, the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton
分析表明,該地區的地震矩、拐角頻率與應力降等震源參數與震級有一定的相關性,應力降的時空演化特徵可以作為該地區今後地震趨勢預測的一種新手段。Combined with some previous results, we have generalized preliminarily the dynamic evolution characteristics of stress field in the focal region and its adjacent area before moderate and strong earthquakes, and tried to give out the judgement index of earthquake prediction with the comprehensive mechanism solution of small earthquake
結合前人的有關研究成果,綜合歸納了中、強地震前震源區及附近應力場的動態演變特徵,並嘗試給出了小震綜合機制解參數預報地震的判據指標。The commonly used method at present is to adopt the repeated stack interval of the data from the two sources to calculate the matching operator and then to perform the matched filtering
目前運用較廣泛的方法是,利用2種震源資料的重復疊加段求取匹配運算元,然後進行匹配濾波,但該方法要求重復疊加段有可靠的波組特徵和較高的信噪比。Studies on geology of the deposits and geochemistry of trace elements, rees, isotopes, ore - forming fluids show that the ore - forming materials came from varied sources. ore - forming materials of the tianbaoshan deposit was chiefly derived from different sedimentary rocks of the upper crust and orogen, while those of the daliangzi deposit mainly from the sinian dengying formation. meteoric waters were the major source of the ore - forming solution
礦床地質特徵以及常微量元素、稀土元素、同位素、成礦流體等地球化學特徵的研究表明,礦床成礦物質是多來源的,天寶山礦床成礦物質主要來自上部地殼和造山帶各種沉積巖,大樑子礦床成礦物質主要來自震旦系燈影組地層;兩個礦床成礦溶液主要來自大氣降水;硫大部分來源於同時期的海相沉積地層(震旦系燈影組)中被細菌還原的海水硫酸鹽。In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods
本文基於對大量歐洲強震記錄的研究,分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異,以及這些參數與場地、震源機制、震級和震中距的關系,得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ,豎向地震動分量的作用不可低估;在短周期,豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的,可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低,可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間,豎向設計反應譜的特徵周期應有單獨規定。In order to make the studying about the seismic exploration method possess systematic nature and the ability of tackling key problem in front - zone of mountain, we have done the research work of tackling key problem aiming at the field gathering technology of seismic exploration of the complicated structure belt ( the construction of underground and the earth ' s surface condition are complicated ) of front - zone of mountain in this text, and a large number of relativity trials by the close combination of production and scientific research, summarized a set of field method of the complicated structure belt of front - zone of mountain, adjusted both of trial factor and construction factor of the field gathering in time, achieved finally the goal of making its structure character clear
近幾年來,隨著地震勘探裝備和技術的改進,野外資料採集技術有了新的進展,主要表現為多種震源聯合激發方法(井炮和大噸位可控震源) ,基於地表條件及表層調查基礎上的激發選點方法,小道距、長排列、高覆蓋接收方法,基於模型的「分段、分線、分區」觀測系統目標設計方法等,取得了顯著的勘探效果。為了使山前地震勘探方法研究具有系統性和攻關性,通過本文對復雜山前復雜構造帶地震勘探的野外採集技術進行攻關研究,進行了大量具有針對性的試驗,總結出了一套山前復雜構造帶野外施工方法,最終達到了搞清復雜山前復雜構造帶山前復雜構造帶構造特徵的目的。Analyzing on sequence characteristics, earthquake source, medium rupture characteristics, source conditions, historical seismicity, regional earthquakes and anomaly change of precursor data, etc., we know well regional background of seismic activity before the m ( subscript s ) 6. 1 the earthquake and judge earthquake situation trend after the m ( subscript s ) 6. 1 the earthquake
摘要通過分析昭蘇6 . 1級地震序列特徵、震源與介質破裂特性、震源環境與歷史地震活動類比及區域地震和前兆資料的異常變化等,對該震前的區域地震活動背景、震后的震情趨勢等有了較為細致的了解和判定。Wang xiaoqing and ma zongjin, 1990, deep crustal structure of north china seismic region, revealed by earthquake statistics and geopgysics data ( abstract ), international workshop on continental seismogenetic layer, april 27 - 30, beijing, china
王曉青, 1992 ,華北地震區地震空間分佈與震源層構造特徵,大陸多震層研究,北京:地震出版社。Directions are obtained by two means : calculation and measure. our investigations are summed as follows : 1 the lpo relations between olivine and orthopyroxene are different from usually situations : 100ol 001opx, 010ol 100opx, 001ol 010opx ; 2 the seismic anisotropy of the ultramafic rocks in damaping is obvious. their characters are consistent with the structures of the rocks and fabrics of minerals, which means seismic anisotropy is mainly controlled by rocks fabrics ; 3 seismic velocities suggest that the composition of upper mantle in damaping region is resemble to the xenoliths, which major component is lherzolite
不同2大麻坪地區幔源包體的波速各向異性顯著,巖石的波速各向異性特徵與其宏觀構造和微觀組構一致,說明巖石組構是造成地震波速各向異性的決定因素3由地震波速推測的大麻坪地區的上地幔成分與包體出露的情況一致,即主體為二輝橄欖巖。Through the analysis of geological characters in huanglianken manganese ore district, such as ore potentiality, ore controlling structures, ore depositing structures, orebody characteristics, ore type and so on, the author concluded that sinian stratum is the " primary source bed ", detachment structure is the migrating channel of ore - forming materials, favorable concentration and hosting place
通過對黃連坑錳礦區地層的含礦性、控礦構造及容礦構造、礦體特徵、礦石類型等地質特徵的論述,認為震旦系地層是「初始礦源層」 ,滑脫構造對成礦物質起遷移、富集及容礦作用。It is significant for energy exploration, seismic prospecting, groundwater utilized and rock engineering to study the characteristics of seismic wavefields in those orthotropy media
研究正交各向異性介質中地震波場特徵對地震預測、巖體工程、地下水利用和能源勘探開發有十分重要的意義。Based on the study on ree distribution characteristics of sinian low grade metamorphic rocks of the basement and cover volcanics, the author makes a discussion on the material source and the genesis of xiangshan volcanics, and suggests that xiangshan volcanics came mostly from the remelting of the upper crust, and the genesis should be attributed to the category of remelted granites
摘要本文通過對相山火山盆地基底震旦系淺變質巖、蓋層火山巖稀土元素分佈特徵的研究,探討相山火山巖的物質來源及巖石成因,認為相山火山巖主要是上部地殼重熔的產物,其巖石成因應屬于重熔型花崗巖的?疇。Adopting this model, we analyze the seismic hazard near the chelungpu fault that generated the chi - chi ( jiji ) earthquake with magnitude 7. 6 and the following conclusions are reached. this model is reasonable on the base of focal mechanism, especially for sites near potential earthquakes with large magnitude ; the attitudes of potential rupture surfaces have great influence on the results of probabilistic seismic hazard analysis and seismic zoning
結果表明:採用潛在地震破裂面源模型是合理的,因為它可以模擬地震破裂面與地震動影響場的三維展布特徵,尤其適用於較大震級地震的近場區域;潛在地震破裂面源的大小、產狀,對近震源場點的地震危險性分析和地震區劃結果有明顯的控制影響。By using the projective covering method and projective covering probability, fractal and multifractal dimensions of different types of landform sueface above are computed. results show that all the studied landform surface are not simple fractals, but multi - range scaling fractals, and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain. nevertheless, different type landscapes perform different dq - q curve shapes. which the dq value has the widest range in the high mountain type, the second one is the mid - low mountain type, and then the basin type
對不同時段地震形變場圖象多重分形特徵的研究表明,震源區及近震源區強震前垂直形變圖象都出現信息維降低,多重分形譜曲線dq變陡,值域范圍變寬的特徵,說明在強震前地殼垂直形變出現了局部化、不均勻性增強的行為,這些對地震預報都有重要的實際意義。It is recognized that the concerted characteristics of the earthquake focal mechanism of earthquake sequence for various types are different
認識到,不同類型的地震序列其震源機制的一致性特徵不同。By analyzing the development characteristics of budate group source faults in beier depression based on seismic data, a lot of source faults are found
摘要通過地震資料對貝爾凹陷布達特群源斷裂發育及其活動特徵進行了分析,發現貝爾凹陷布達特群發育有大量北東東和北北東向的源斷裂。The inversion results indicate the following phenomena : the lithosphere density beneath north china area is extremely inhomogeneous, which is the reflection of the feature of violent tectonic movement ; the density distribution is coherent with tectonic ; the density is different in different tectonic units ; there are low density regions in the crust ; the strong earthquakes in north china region mainly occur at this depth
反演結果表明:華北地區巖石圈密度極不均勻,反映了區內強烈的構造活動特徵;層內密度分佈與大地構造有明顯的相關性,不同的構造單元存在著密度差異,斷裂帶表現為密度異常梯級帶;殼內存在著低密度層,華北地區地震的震源深度主要發生在這一深度上,可能與之相關。分享友人