[05月]磷灰石裂变径迹 apatite fission track英语短句 例句大全

磷灰石裂变径迹,apatite fission track

1)apatite fission track磷灰石裂变径迹

1.Analysis on the Meso-Neozoic subsidence and uplift history of the periphery of Ordos basin usingapatite fission track;运用磷灰石裂变径迹分析鄂尔多斯盆地周缘中新生代沉降隆升史

2.Theapatite fission track analysis applied to the exploration of the uplifting of the Qinghai-Xizang Plateau;青藏高原隆升过程的磷灰石裂变径迹分析方法

3.A case of application usingapatite fission track to restrict the time of brittle fault movement;利用磷灰石裂变径迹约束脆性断裂活动的时限

英文短句/例句

1.Apatite Fission Track Ages and Significance of the Northern Margin of the Qaidam Basin柴达木盆地北缘磷灰石裂变径迹年龄及其意义

2.Fission track dating on apatite in the southern margin of Junggar Basin and its tectonic implication准噶尔南缘磷灰石裂变径迹定年及其构造意义

3.Application of apatite fission track in the research of thermal evolution history in Binbei area磷灰石裂变径迹在滨北地区热史研究中的应用

4.Tectonic Activities and Apatite Fission-track Records in the Northern Margin of Qaidam Basin柴北缘构造活动及其磷灰石裂变径迹记录

5.Apatite Fission Track Ages and Significance of Jiuquan and Subei Basins Cenozoic;酒泉、肃北盆地新生代磷灰石裂变径迹年龄及其意义

6.AFT dating of detrital apatites from the Yarlung Zangbo Great Canyon:Implications for its distinct geomorphological evolution雅鲁藏布江中下游流域地貌差异演化的岩屑磷灰石裂变径迹证据

7.Exhumation History of the Fuling Granite,Southern Anhui:New Insights from Apatite Fission Track Analysis安徽绩溪伏岭岩体隆升时代的磷灰石裂变径迹证据

8.Thermal and denudational history of granitoid batholith recorded by apatite fission track in the Dulong River region in northwestern Yunnan,since Late Miocene.滇西北独龙江岩体晚中新世以来的热史和剥蚀历史的磷灰石裂变径迹记录

9.Thermo-tectonic history of the Lower Yangtze area since Late Cretaceous:evidence from apatite fission track analysis of sandstones from Pukou Formation苏皖下扬子区晚白垩世以来的构造—热历史:浦口组砂岩磷灰石裂变径迹证据

10.Mesozoic-Cenozoic tectonic evolution and its relation to sandstone-type uranium mineralization in northern Tarim area--Evidence from apatite fission track塔北中新生代构造演化与砂岩型铀成矿作用关系——来自磷灰石裂变径迹的证据

11.fission fragment track dosimeter裂变碎片径迹剂量计

12.fission fragment track discriminator裂变碎片径迹甄别器

13.fission track dating method裂变径迹法年龄测定

14.FISSION-TRACK DATING OF FLUORITE DEPOSITS IN ZHEJIANG PROVINCE AND SOME RELATED PROBLEMS浙江萤石矿床的裂变径迹年龄测定及有关问题讨论

15.The age of Jiuwanxi fracture belt in Three-Gorge region: A fission track study裂变径迹研究三峡九湾溪断裂带断裂时期

16.fission fragment damage track detector裂变碎片损伤径迹探测器

17.Fission Track Dating of Huarong Granites and its Implication for Tectonic Evolution of Jianghan Basin,Central China华容岩体裂变径迹定年及其构造意义

18.Treatment of splitting of conjunctiva sac after hydroxyl apatite implanting中西医结合治疗羟基磷灰石植入后结膜囊裂开

相关短句/例句

apatite fission-track磷灰石裂变径迹

1.The forming ages and uplift size of the middle Kunlun mountain-Based on study of plantation surface andapatite fission-track ages;中昆仑山形成时代与隆升幅度——基于夷平面与磷灰石裂变径迹研究

2.The geological andapatite fission-track data from the Tianshan and West Kun.通过对天山独山子—库车公路、西昆仑山新疆—西藏公路出露的7个花岗岩样品的磷灰石裂变径迹分析，研究了天山、西昆仑山脉低温（＜110℃）热历史。

3)apatite fission track analysis磷灰石裂变径迹

1.This article introduces the theory and present situation ofapatite fission track analysis (AFTA) means in syudying the paleo geotemperature of sedimentary basin, and concrete data in Dongying depression is applied to invert the paleo geotemperature.介绍了应用磷灰石裂变径迹 (AFTA)方法研究沉积盆地古地温的原理及研究现状 ,并以东营凹陷的具体数据为例进行了热史反演。

2.Thermochronology researches in the orogens andapatite fission track analysis in the basin suggest that three NE- trending anticlines(Tongziguan anticline,Jiulongshan anticline and Nanyangba anticline)in the NW margin of the Sichuan Basin were formed in the Cenozoic.综合造山带内的构造热年代学及盆地内部进行的磷灰石裂变径迹研究,提出了四川盆地西北部的三个背斜(潼梓关背斜、九龙山背斜和南阳坝背斜)主要是新生代构造变形的产物。

4)Zircon and Apatite fission track锆石、磷灰石裂变径迹

5)apatite fission track analyis(AFTA)磷灰石裂变径迹分析(AFTA)

6)apatite fission-track dating磷灰石裂变径迹测试

延伸阅读

裂变径迹法根据矿物中 U、Th放射性同位素自发裂变碎片的径迹而计时的一种方法。径迹数目与矿物年龄成正比。矿物中能产生裂变径迹的重核有 238U、235U和232Th。它们的自发裂变半衰期分别是 1.01×10、3.5×10和大于10。所以天然样品中238U的裂径迹约占99.97%以上，而235U和232Th的裂变径迹在年龄测定中可忽略不计。若假定自发裂变径迹在矿物中的分布是均匀的，则单位体积内的裂变径迹数目(C)与U含量、矿物存在时间及U的自发裂变常数成如下关系式中238U为每立方厘米样品中238U的原子数,λf为238U的自发裂变常数（6.85×10-17/年），λ为U的总衰变常数,t为矿物年龄。自然状态的裂变径迹非常细小。通过选择适当的化学试剂在一定条件下对矿物磨光面进行腐蚀处理(蚀刻)，蚀刻后的径迹,在显微镜下可放大到200～1000倍。若自发裂变径迹和诱发裂变径迹（即通过热中子照射产生的径迹）的蚀刻条件完全相同，则裂变径迹法计算年龄的公式为 式中ρs为在蚀刻表面观察到的径迹密度, ρi为蚀刻后看到的诱发裂变径迹密度,σ 为235U的热中子诱发裂变截面(582×10-24平方厘米),Φ为热中子剂量，I=238U/235U=137.88。应用此公式计算年龄时须满足下列要求：①自发裂变的半衰期是恒定的；②238U/235U比值是一个常数;③所有的自发裂变径迹是238U产生的,而所有的诱发裂变径迹都是235U经热中子照射诱发产生的;④自发裂变径迹和诱发裂变径迹的蚀刻条件相同；⑤样品形成以后保持封闭体系。裂变径迹法测定年龄的样品适应性广，只要样品中产生的自发裂变径迹密度大于1～10/平方厘米,均可选用。如磷灰石、榍石、锆石、白云母等。