震級變化 的英文怎麼說

中文拼音 [zhènjíbiànhuà]
震級變化 英文
de magnitude
  • 震 : Ⅰ動詞1 （震動） quake; shake; shock; vibrate 2 （情緒過分激動） be greatly excited; be deeply ast...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  1. The results show that all the three earthquakes occurred at the time intervals when the greater variation in the tide generating force at the epicentre appeared and the solar activities partially descended

    分析結果表明，盡管這3次地震的震級都較小，但都發生在震中所受引潮力變化較大時刻和太陽活動局部下降時段。
  2. After have systematically studied sequence stratigraphy of chagan depression, a analysis method of high precision sequence stratigraphic framework in fault - depressed lacustrine basin. the core of the establishing framework is exploration - significant identify of sequence, division of 2, 3, 4, 5 grades sequence and analysis of base - level based on lithologic log or well - logging, high - resolution seismic inversion constrained to well data. then using the results of 2d seismic data, and interpret sequence to enhance the precision of interpretation

    斷陷盆地高精度層序地層格架建立的核心是用鉆/測井和井約束條件下的高解析度儲層橫向預測剖面等高解析度資料進行具有勘探意義的二、三、四和五級層序的界面識別、層序劃分和基準面變化分析，在此基礎上標定常規地震剖面，進行區域層序地層分析，達到提高層序地層解釋精度的目的。
  3. Abstract : in this paper, the urgent monitoring process and post - seismic tendency analysis about jingyang earthquake are introduced. the anomalous feature of the short leve lling variations in jingyang station during the earthquake preparation process w as specially studied

    文摘:簡要介紹了涇陽4 . 8級地震應急監測情況及震后地震趨勢分析過程，著重分析了這一地震孕育發生過程中涇陽地震臺短水準異常變化特徵。
  4. This is a newly introduced slight shocking, direct driving centrifugal hyro - extractor. the electric locomotive on its base is semi - closed, internal ventilating, self cooling, weight adding and energy saving. the internal drum and rotational drum are istalled on the axel of the locomotive and drived directly, which effectively decreases energyloss, and simplifies therotation. acontrolling box is used in the machine to start through frequency conversion. and stop through resistance. the showing board shows the rotation speed and adjusts the speed and time. the featues of this machine areenergy saving, durable and repair infrequent. this machine is spcially used for cloth hydroectraction

    本機系最新引進直微震直驅式離心脫水機，它使用半封閉內通風自冷加重型專用節能電機裝于中間底座，內桶及轉鼓裝于電機軸而直接驅動之，有效地減小了多功能損耗，簡化了傳統的多級繁瑣轉動，本機配有一個電控箱機變頻起動，電阻剎車於一體面板有轉速顯示並可調速度及時間，該機特點省電、耐用、維修機會極少，本機適合布匹脫水使用。
  5. 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。
  6. Based on well logs, three - dimension seismic profiles, cores and other basic data, author recognized the sequence horizons of high - scale by the changes of a / s ratio, and established high - resolution chronostratigraphic framework using multi - term base - level cycles of high - resolution sequence stratigraphy, combining sequence theory with sedimentology. the depositional system characters and distribution were outlined and the prospective areas for stratigraphic traps were defined : jishan and jiangjiadian

    本文是以鉆井、地震資料、巖心和各種分析化驗資料為基礎，以多級次基準面旋迴為參照面的高解析度層序地層學理論與研究方法將層序地層分析技術與沉積學原理緊密結合起來，運用a / s比值的變化趨勢可以識別高級次層序界面，建立高解析度層序地層對比格架。
  7. It is possible for the terminal activity faults to penetrate to the quaternary, but their scale is generally small and the penetrating distance is short, therefore, they can not induce earthquakes on a large scale. the remote sense images of last thirty years in daqing region show that the linear tectonics have not changed remarkbly, in the meantime, the earthquake timing figure shows that the probability of the faults inducing earthquakes, which ms is no less than 5, is little, though some terminal active faults have penetrated to the quaternary

    晚期活動斷裂有可能斷至第四系，但規模小，延伸的距離短，不會引發大規模地震，遙感解譯分析表明， 30多年來衛星遙感影像顯示的大型線性構造並無明顯變化；另外結合大慶地區地震時序圖認為，晚期活動斷裂即使斷至第四系，其活動引發5級以上地震的可能性也極小。
  8. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 （ si _ 2on _ 2 ）結合相的實驗條件，實驗數據顯示：引入適量的燒結助劑能夠促進si _ 3n _ 4 （ si _ 2on _ 2 ）的生成和晶粒的長大，而過量時，其促進作用反而下降；隨著si粉加入量增加，生成的結合相明顯增多，復合材料的性能顯著提高；改變sic顆粒級配不僅影響復合材料的強度與堆積密度，而且對復合材料的物相與顯微結構也有影響，隨著顆粒逐漸細化，材料的強度有較大的提高；對復合材料的強度、物相與顯微結構影響最大的是氮化制度，經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合材料性能最好；通過抗熱震性能實驗后復合材料的殘余強度較高，顯示出較好的抗熱震性能。
  9. Gravity field changes in the western region of sichuan before and after yajiang m6. 0 earthquake

    0級地震前後的重力變化異常特徵
  10. Variation features of seismic sequence under tidal effect before m 7. 0 earthquake lijiang

    0級震前地震序列隨潮汐作用的變化特徵
  11. The results show that in the later stage of the nucleation process, the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant, and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ), the remaining time is 20 hours or more, and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation, which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account, time scale of such processes can be extended by about 2 times

    結果表明，在成核的後期階段：最大位移速率單調加速增加；滑動熱點（最大滑動速率處）在後期階段開始自發性遷移，且在空間上連續；當最大滑動速率達到可以明顯探測的量級時（高於載入速率一個數量級以上） ，倒計時間為20小時或更長一些，這時的速率變化可作為臨震預測標志；平均滑動速率與倒計時間的關系在臨震階段呈對數線性趨勢，由此可推測微震活動增長率與倒計時間同樣存在對數線性關系；正應力的變化對上述時間尺度有延長作用，使之大致增加到原數值的2倍。
  12. The duration aspect. in this part, strong motion duration ( trifunac - brady ) is studied, the main results are as follows : in general, for soil site, during strong earthquake, the 90 % relative energy duration increases with depth. the duration of the ground motion on surface is about 1 / 4 of that at depth of 100m

    三）地震動持時沿深度的變化規律摘要本文研究了地震動的90 %相對能量持時（ trifullac一brady ）得到如下結論:震級大小對于地震動持時沿深度的變化有一定影響，一般情況，震級越大地表的地震動持時與地下相比越小。
  13. The prediction process for linyi ms5. 0earthquake and the variation of its gravity field before and after the event

    0級地震前後的重力場變化及預報過程
  14. In this part, response spectrum and fourier amplitude spectrum are studied, the main results are as follows : 1 ) response spectrum analysis : a ) absolute acceleration response spectrum ( sa ) : ( 1 ) in general, response spectrum decrease with depth, for m < 4. 5, the shape and the predominant period of each response spectrum in different depths are similar : the variation of spectra with depth focus on near - surface level ; the normalized spectra are similar to each other, except the predominant perk value in middle depth of some earthquakes is higher than other depth

    地震動反應譜沿深度變化的規律（ l ）加速度反應譜（ s 、 ）沿深度的變化規律一般，加速度反應譜（ s 。 ）隨深度的增加而減小。震級較小時，不同深度各測點的反應譜形狀很相似，卓越周期基本一致;淺層處反應譜沿深度的變化梯度較大;深層處反應譜大小比較接近;強震時，反應譜形狀在短周期有較小差別，長周期逐漸接近。
  15. In this part, pga, pgv and pgd are studied, the main results are as follows : 1 ) in general, pga decrease with depth and can reach maximum at surface ; the pga ratio with depth of downhole / surface is affected by magnitude and ground pga value, the bigger the magnitude and pga value, the smaller the pga decrement with depth ; the decrement with depth is much more significant in near - surface than that in deep downhole

    加速度峰值沿深度的變化與地震的大小和場地條件有關。對于土層場地，一般說來，隨著震級和地表pga的增大，加速度峰值沿深度的下降梯度減小。對于「土層基巖」型場地，基巖面處的水平分量約是地表的1 3 . 7 ，豎向分量約是地表的1 3 . 2 。
  16. The result shows that there are anomalous information of the gps data of some stations in the west of china before the m ( subscript s ) 8. 1 kunlun earthquake on november 14 ( superscript th ), 2001

    2001年11月14日昆侖山口西8 . 1級大地震前中國大陸西部部分測點水平位移序列出現短期變化信號。
  17. But the change of reflection coefficient is three times as much as the change of velesity resulted from fractured density, which shows that dynamical characteristic of seismic wave is more sensitive to fracture than kinetic characteristic

    而對于同級別的裂縫密度，反射系數的變化量是其速度變化量的3倍左右。揭示了地震波的動力學特徵比其運動學特徵對裂隙更敏感。
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