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裂变
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  apatite fission
    QUANTITATIVE METHOD OF RECOVERING THERMAL EVOLUTION HISTORY WITH APATITE FISSION TRACK
    应用磷灰石裂变径迹定量恢复热演化史
短句来源
    APATITE FISSION TRACK ANALYSIS IN THE CENTRAL DEPRESSION, SONGLIAO BASIN
    松辽盆地中央坳陷磷灰石裂变径迹分析
短句来源
    THE APPICATION OF APATITE FISSION TRACK ANALYSIS TO HYDROCARBON EXPLORATION OF YANQI BASIN
    磷灰石裂变径迹分析在焉耆盆地油气勘探中的应用
短句来源
    Based on the result of apatite fission track analysis from the Central Depression, Songliao basin, this paper presents that the phase of cooling was initiated before 30×106a ago approximately.
    根据磷灰石裂变径迹分析结果,确定松辽盆地中央坳陷约30×106a以前有一次地热降温事件。
短句来源
    From the apatite fission track analysis,the paleogeothermal gradients of the Taiyangdao and the Dapingfang structures are about 3.79℃/km and 3.24℃/km respectively.
    磷灰石裂变径迹分析得到太阳岛构造古地温梯度为3.79℃/hm,大平房构造古地温梯度为3.24℃/hm。
短句来源
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  “裂变”译为未确定词的双语例句
    Application examples of research on tectonic uplift by using fission-track dating
    裂变径迹研究构造抬升应用实例
短句来源
    The aim of this paper is to study the thermal history of Paleogene in Baimiao area, Dongpu depression by using apatite fission-track parameters.
    本文用磷灰石裂变径迹分析恢复东濮凹陷白庙地区下第三系热演化史。
短句来源
    The paleo-temperature history of the area have been restored by analying apatite fission-track ages and confined track length distribution from 10 apatite samples in the area.
    10个岩心或岩屑样品的磷灰石裂变径迹年龄和封闭径迹长度分布数据表明,该区的热历史为升温(早沉积期)—降温(抬升期)—再升温(再沉积期)。
短句来源
    The geochemical anomaly, fission-track analysis and the restoration of paleo-burried depth of the source rocks in the "shallow" matured regions indicate that the present-day buried depth is smaller than the paleo-burried depth of the source rocks after undergoing the Oligocene reworking dominated by folding and uplifting.
    "浅"熟区源岩的地球化学异常和磷灰石裂变径迹资料及古埋深恢复表明,其源岩经过渐新世以褶皱抬升为主的改造后,今埋深小于古埋深。
短句来源
    Abstract On the basis of vitrinite reflectance, K-Ar ages and apatite fission-track data,the time of hydrocarbon generation and migration, migration direction and hydrocarbon exploration direction are discussed starting with the reconstruction of the subsidence and uplift history and geothermal history of the Ordos Basin.
    本文根据镜质体反射率、K-Ar年龄和磷灰石裂变径速资料,从恢复鄂尔多斯盆地的沉降抬升史与地热史入手,讨论了油气形成与运移的时间、运移方向及其油气勘探方向。
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 Ordos basin, situated in the western part of the North China platform, has been classified as an intracrationic basin. The basin is rich in oil and gas resoureces contained three kinds of source rocks. In the exploration for oil and gas an important breakthrouths have been made in recent years. A giant gas field has been discovered in Jingbian county in the central part of the basin.Based on analyses of data of vitrinite reflectance, fluid in clusions and apatite fisson track, this paper has determined the...

The Ordos basin, situated in the western part of the North China platform, has been classified as an intracrationic basin. The basin is rich in oil and gas resoureces contained three kinds of source rocks. In the exploration for oil and gas an important breakthrouths have been made in recent years. A giant gas field has been discovered in Jingbian county in the central part of the basin.Based on analyses of data of vitrinite reflectance, fluid in clusions and apatite fisson track, this paper has determined the high palaeothermal filed of the Ordos basin in the late mesozoic. The palaeotemperature in the palaeozoic strata is abort 150~240°C, the highest temperature exceeding 270°C, which is higher than the present tempreture. The palaeotemperature gradient (3. 5~4. 0°C/100m) which is closely related to tectonic activity also exceeds that (2. 8°C /100m) of the present.Apatite fission track data show that there is a cooling event which ocurred in 20 to 23 Ma. The uplift scope in North shaanxi slope in the east is obviously bigger than in the Tianhuan syncline.Reseach on relations between the thermal history of the Ordos basin and oil gas fields suggests that low. temperature gradients in paleozic and early mesosoic times was favourable for preservation of organic material and the gas generation stage was postponed.The late Mesozoic which is characterized by highertemperatures in the period of main gas generation and migration of paleozoic coal series and carbonates.The late gas generation stage and lack of faults were favourable for preservation of giant gas fields.The central palaeouplift in the basin which has good carbonate reservoirs and is close to gas generation regions should be first chosen as an exploration target. The southern part of the yiming uplift, the northern Part of the weibei uplift,the eastern part of the north shaanxi slope and the western part of Tianhuan syncline are also potential regions of gas migration and the reserve bases for looking for new gas fields.

本文采用镜质体反射率、包裹体测温、磷灰石裂变经迹等多种古地温研究方法,确定了鄂尔多斯盆地中生代晚期高地温场的存在,古地温梯度高达3.5~4.0℃/100m,高于现今盆地的平均地温梯度2.89°C/100m。古生界地层最大古地温一般在150~240°C之间,最高可达270°C以上,古地温明显高于今地温。高古地温梯度的形成与中生代末期的构造活动密切相关。根据盆地热演化史与油气关系研究可知,在古生代和中生代早期,地温梯度低。推迟了生气时代,有利于有机质的保存。中生代晚期,地温梯度高,是古生界碳酸盐岩及煤系地层的主要生气期及运移期。生气高峰期较晚,盆地内又缺乏断裂,有利于大气田的保存。

This paper introduced the inversion model of nolinear heatflow through the relation betweentheareal track number density of apatite fission track versus time and temperature. This model was applied to two wells in Hailar basin,and the general pattern of the paleo-heatflow evolution and the thermal evolution of source rock in the basin was gained.The results provideda quantitative base to further understand the conditions of oil/gas generation.

本文应用磷灰石裂变径迹的面积径迹数随时间、温度变化的规律,建立非线性热流的反演模型。进行了海拉尔盆地2口井的地热史模拟,得到对盆地古热流演化及烃源岩热演化一般规律的认识,为进一步了解其油气生成条件提供了定量依据。

The aim of this paper is to study the thermal history of Paleogene in Baimiao area, Dongpu depression by using apatite fission-track parameters. The paleo-temperature history of the area have been restored by analying apatite fission-track ages and confined track length distribution from 10 apatite samples in the area. Modlling results show that the erosion thicknesses of Bai 52 and Pushen 10 are 1,464. 6m and 1,298. 9m, respectively.

本文用磷灰石裂变径迹分析恢复东濮凹陷白庙地区下第三系热演化史。10个岩心或岩屑样品的磷灰石裂变径迹年龄和封闭径迹长度分布数据表明,该区的热历史为升温(早沉积期)—降温(抬升期)—再升温(再沉积期)。早期升高的古地温与今地温相差不大;沙—段内火成岩的侵入使围岩除受埋藏增温热作用外,还受岩浆侵入附加热的影响。

 
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