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裂变
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  apatite fission
    Apatite fission track evidence for the thermal history of the Liupanshan basin
    六盘山盆地热历史的裂变径迹证据
短句来源
    Apatite fission track ages of three diorite samples is range from (78±5) Ma to (95±5) Ma, and the lengths of horizontal confined spontaneous fission tracks are (13.2±1.2)—(13.5±1.3) μm.
    裂变径迹年龄为(78±5)—(95±5)Ma,平均径迹长度为(13.2±1.2)—(13.5±1.3)μm。
短句来源
    The application of the apatite fission track dating to the geothermal history in the northern piedmont zone of the Turpan depression, (Xinjiang)
    吐鲁番坳陷北部山前带地质热历史——磷灰石裂变径迹法研究实例
短句来源
    Thermal History of the Tiereketi Batholith in Altay Mountains,Northern Xinjiang:Evidence from Apatite Fission Track Analysis
    新疆阿尔泰铁热克提岩体热历史的磷灰石裂变径迹法研究
短句来源
    Apatite fission track dating and thermal history of Qing-He Region in Altay Mountains
    磷灰石裂变径迹法研究阿尔泰青河地区地质热历史
短句来源
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  “裂变”译为未确定词的双语例句
    The different denudational quantities for the three main unconformities of the Chuxiong Basin that are reflected by the data of the fission-track analysis represent a sophisticate denudational history of the Chuxiong Basin. For example, the denudational quantities of the three unconformities at the well Yuncan 1 are respectively as follows: 220 m(D_1/ O_2), 180 m(T_3 / D_2)and 105 m(K_2/ J_2).
    裂变径迹反映本地区3个主要不整合(D1/O2、T3/D2、K2/J2)具不同的剥蚀量,表明楚雄盆地曾有较为复杂的剥蚀史:其中云参1井3个不整合的剥蚀量分别为220m(D1/O2)、180m(T3/D2)和105m(K2/J2);
短句来源
    DISCUSSION ON THE THERMAL AND DENUDATIONAL HISTORY OF THE CHUXIONG BASIN ACCORDING TO THE STUDY ON THE APATITE FISSION-TRACK ANALYSIS OF MARINE-FACIES STRATA
    从海相地层磷灰石的裂变径迹探讨楚雄盆地的热史及剥蚀史
短句来源
    The apatite track fission-track analysis is a useful method to resume the thermal history of sedimentary basin. On the basis of lots of the analytical data, this method is used to analyze the thermal history and denudational quantity of marine-facies strata of the Chuxiong Basin.
    磷灰石裂变径迹分析法是恢复沉积盆地热史的一种有效方法,以大量的磷灰石裂变径迹资料为基础,分析了楚雄盆地海相地层热历史及地层剥蚀量。
短句来源
  相似匹配句对
    Apatite fission track evidence for the thermal history of the Liupanshan basin
    六盘山盆地热历史的裂变径迹证据
短句来源
    THERMAL HISTORY OF ORDOS BASIN ASSESSED BY APATITE FISSION TRACK ANALYSIS
    利用磷灰石裂变径迹法研究鄂尔多斯盆地地热史
短句来源
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  apatite fission
Cenozoic uplift of West Qinling, northeast margin of Tibetan plateau-a detrital apatite fission track record from the Tianshui b
      
The Early Paleocene age of the ilmenite gabbro-dolerites and biotite granites was confirmed by zircon and apatite fission-track dating.
      
According to the determination of apatite fission track ages and length, the annealing characteristics of apatite fission track, geothermal evolution and prediction of petroleum source in studied area are discussed.
      
Two events of Tibet uplifting are revealed by detrital apatite fission track (AFT) age data from Linxia Basin.
      
Late stage thermal history of the Songliao Basin and its tectonic implications: Evidence from apatite fission track (AFT) analys
      
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The combinative analysis method of thermal history inversion with apatite fission tracks has been discussed in the paper.It cornbnes two modelling techniques,the Monte Carlo method and Simplex method.The Monte Carlo Box used to generate random numerical data gives initial values for geothermal inversion.The Simplex method is for searching appropriate geothermal temperature.The combination of the two methods can avoid tripping in a local minimal position for the object function and give a suitable solution of...

The combinative analysis method of thermal history inversion with apatite fission tracks has been discussed in the paper.It cornbnes two modelling techniques,the Monte Carlo method and Simplex method.The Monte Carlo Box used to generate random numerical data gives initial values for geothermal inversion.The Simplex method is for searching appropriate geothermal temperature.The combination of the two methods can avoid tripping in a local minimal position for the object function and give a suitable solution of thermal history.The utlizable and stable text has been taken by the inversion calculation of a theoretical model. Even the difference between the initial and theoretical values is 20-50℃,the suitable results of the inversion can be got.The example of thermal history inversion has been calculated with apatite fission track data.The sample came from an oil well of Eastern China. The result of thermal history inversion gives a clear reflection of structural and sedimental development.

讨论了利用磷灰石裂变径迹资料反演热演化史的综合分析法.这一方法综合了Simplex和MonteCarlo方法的特点.初值选择采用MonteCarloBox选择法,而反演迭代则应用Simplex方法.由于应用了MonteCarloBox,从而保证了初值在某一限定区域内的随机性选择,避免了目标函数陷入局部极值区而使反演失真的情况.在地质条件约束下,它可以成功地获得目标函数极小值或极小值邻域内的极值以及它们对应的热史的解.应用理论模型,验证了本方法的有效性和稳定性.在初值偏离真值较远(20-50℃偏差)的情况下,本方法也可以获得满意的解.以中国东部某凹陷井中实测磷灰石裂变径迹长度分布和退火年龄资料为实例,进行了热史的反演计算模拟,结果清楚地解释了样品所处地区的构造和沉降史.

Based on six specimen apatite fission track data and geological exploration data in Hefei Basin,authors inversed the geothermal variation of the sedimental rocks and evaluated the subsidence and erosion rates of the basin evolution process.The simulated results are in correspondence with the inferences from other geological data.It could be indicaetd that the tectonic development and thermal histories of the sediments In the south part of the basin differed from the north.The rocks of up Jurassic near to Dabie...

Based on six specimen apatite fission track data and geological exploration data in Hefei Basin,authors inversed the geothermal variation of the sedimental rocks and evaluated the subsidence and erosion rates of the basin evolution process.The simulated results are in correspondence with the inferences from other geological data.It could be indicaetd that the tectonic development and thermal histories of the sediments In the south part of the basin differed from the north.The rocks of up Jurassic near to Dabie mountain may bear the paleotemperature up to 120℃ or more during the earlier Cretacous; the tectonic uplift and large erosion(erosion rate≈130 m/Ma) Made the paleotemperature of the rocks decreased to 30-40℃;From late Cretacous,the tectonic environment of south part of the basin was kept going on fluctuation uplift stages.But,In north part of the basin,the highest paleotempelature of late Jurassic and earlier Cretacous rocks was upto 100℃.more,and the lowest was downto 30-60℃ because of the tectonic uplift and erosion (erosion rate≈190 m/Ma, short time)during cretacous.In earlier Tertiary Period,the Paleotemperature of the rocks increased again to about 80℃ because of local rifting(the subsidence rate≈60 m/Ma).Analyzing the thermal histories,subsidence and erosion rates and geologicalexploration data,we conclude that the tectonic evolution in Hefei Basin could be classified into four terms,formation,uplifting,local rifting and re-uplifting.

利用合肥盆地内6个磷灰石裂变径迹样品资料,反演模拟了该盆地自侏罗纪晚期以来各时代地层古地温变化,估算了沉降率与剥蚀率.模拟结果与其他地质资料推论一致,它揭示出该盆地南北两地存在不同的构造变化和受热史,反映了大别山构造发展对盆地南北两地区影响的差异.盆地南部靠近大别山地区的晚侏罗世地层在白垩纪早期埋藏温度曾大于120℃;早白垩世后期的构造抬升(剥蚀率约130m/Ma)使温度降至30—40℃;自白垩纪后期始,该地区一直处于动荡的但总体为持续抬升的构造环境中.盆地北部地区晚侏罗世与早白垩世早期地层在白垩纪期间埋藏温度曾达到和超过100℃,但随后的大幅度构造抬升(剥蚀率约190m/Ma)使其温度降至30—60℃;第三纪早期,局部区域的裂陷(沉降率约60m/Ma)使温度又升至80℃左右.指出合肥盆地构造演化大体可分形成、隆升、局部裂陷和再隆升4个阶段.

In this paper the thermal history of the Ordos basin has been analysed with the method of apatite fission track analysis.the data of apatite fission track in different structural units show that the palaeotemperature gradient(3.3-4.1℃/100m)and heat flow(81-95mW/m2)in the late Mesozoic is higher than present gradient(2.80℃/100m)and heat flow(63mW/m2).This thermal event was favourable for gas generation and migration and for giant gas field formation.Apatite fission track data show that there was a cooling event...

In this paper the thermal history of the Ordos basin has been analysed with the method of apatite fission track analysis.the data of apatite fission track in different structural units show that the palaeotemperature gradient(3.3-4.1℃/100m)and heat flow(81-95mW/m2)in the late Mesozoic is higher than present gradient(2.80℃/100m)and heat flow(63mW/m2).This thermal event was favourable for gas generation and migration and for giant gas field formation.Apatite fission track data show that there was a cooling event which occurred 20-23Ma ago.

本文应用磷灰石裂变径迹法研究了鄂尔多斯盆地的热历史.不同构造单元的磷灰石裂变径迹分析资料表明:在中生代晚期,地温梯度为3.3-4.1℃/100m,大地热流值为81-95mW/m2,高于盆地现今的平均地温梯度(2.80℃/100m)及平均大地热流值(63mW/m2).这次热事件有利于油气的生成、运移及大气田的形成.另外,在20-23Ma前,发生了一期显著的冷却事件.

 
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