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The 40Ar/39Ar geochronologic study indicates that with the ratio 40Ar/39Ar in atmosphere which changes with time,the time and strength of degassing of the earth can be probed,and that the 40Ar/39Ar dating method can help researchers study not only crust mantle evolution and the history of magma dynamics during the cooling process and granitoid emplacing, but also the hydrothermal ore deposit dating.

研究表明：可以通过大气中40Ar/39Ar比值随时间的变化窥探地球去气作用的时间和强度；40Ar/39Ar法不仅有助于研究岩浆冷却过程和花岗岩侵位机制等岩浆动力学的历史和壳幔演化，而且对研究热液成矿年龄也是很有效方法之一；在一定的地质条件下，沉积地层时代越老，40Ar/39Ar值越高；当今40Ar/39Ar年代法已为全球环境演变研究提供了一种强有力的工具。

We felt especially strongly about this since there are so many dating websites purporting to be Christian dating services.

我们认为，尤其是强烈的这一点，因为有这么多的约会网站本意是基督徒约会服务。

The site has a wealth of information about what happens on Inauguration Day, including a handful of inaugural videos dating back to President Dwight Eisenhower's 1957 swearing-in ceremony, as well as videos of presidential luncheons dating back to the inauguration of John Kennedy.

这个网站对就职这一天活动的大量信息，包括一些早在艾森豪威尔1957年宣誓时的就职视频，还有肯尼迪就职时的总统午宴。

Because of the low resolution of 〓C dating and the shortage of clear varves, it is very important for the high resolution dating of recent sediments to apply 〓Pb and 〓Cs accurately.

鉴于沉积物〓C测年的低分辨率和沉积物年纹理的缺失，准确地应用〓Pb和〓Cs计年法便成为我国湖泊现代沉积物高分辨率计年的关键。

One of the trickiest aspects of writing a dating profile is choosing a good dating username, or nickname.

最棘手的一个方面写一个约会文件是一个很好的约会选择用户名或昵称。

Like fission-track dating, alpha-recoil track dating is based on the accumulation of unclear particles which are re-leased by natural radioectivity and produce etchable tracks in solids.

中文摘要：与裂变迹径定年类似，α反冲径迹定年（Alpha-Recoil Track）也是基于天然放射性元素所释放核粒子在固体中产生可蚀刻径迹的积累。

Sisters dating dating school class, Luo Wei picked up brooms and summarized Kei clean inside and out again, Shua Shuashua, breathing could be heard a few.

姐妹们上课的上课约会的约会，罗薇拿起扫把撮箕里里外外清扫一遍，刷刷刷，呼吸声几可听闻。

Software Description: About Dating Optimiser, Internet dating works, but it is hard work.

Dating Optimiser 互联网日常工作是繁重的工作。

In this paper, the method of measuring TL dating for fine-grain quartz pre-dose technique is introduced and the influences of different sizes of fine-grain guartz on the thermoluminescence dating of guartz pre- dose technique is researched.

本文介绍了用石英粉末进行前剂量热释光效应的测量方法，并就不同粒度的石英样品对其110℃峰的TL响应的影响进行了专门研究。

P in Shule River Alluvial Fan Oasis in Gansu subsidized by CNSF. Through field geological and environmental observations and sampling, quartz OSL dating, organic carbon ~(14)C dating, as well as analysis of TOC,grain size and Pollen assemblage of the samples from ten sediment profiles in front fine grain sediment zone of the Shule River Fan, the results obtained as follows:(1)The vegetation evolution history on Shule River Alluvial Fan and circumjacent since about 13 ka B.P. could be divided into 6 phases: about 12.1-13.1ka, a sparse coniferous and broadleaf trees - shrub grassland, cold and wet climate; 9.2-12.1ka, shrub grassland, temperature rising but precipitation and humidity getting down; 5.8-9.2ka, sparse forest with the most flourish shrub grassland under the optimal climate; 4.3-5.8ka, coniferous and broadleaf mixed forests -shrub grassland, temperature rising slightly and getting dry; 4.3-2.8ka, grass vegetation and climate became more dry; 2.8-2.3ka, coniferous forests -shrub grassland, precipitation and temperature getting down, but a higher relative humidity.

本文依托于&甘肃疏勒河冲积扇5万年来古天气环境与古水文演化&项目，以疏勒河冲积扇为研究对象，通过对疏勒河冲积扇扇缘细土带全新世古天气和古水文演变进行了20余个剖面的观测和取样、石英OSL和~(14)C测年、粒度组成和TOC分析以及孢粉鉴定，获得了以下成果和熟悉：(1)距今约13ka年来冲积扇和周边植被演化经历了6个阶段：约13.1～12.1ka，以针叶林为主的针阔混交林～灌丛草原，天气冷湿；12.1～9.2ka，灌丛草原，气温升高，降水量较低；9.2～5.8ka，疏林灌木草原，植被茂盛，温度和降水最佳；5.8～4.3ka，以针叶树为主的针阔混交林～灌丛草原，气温较高，降水减少；4.3～2.8ka，草原植被，天气变干；2.8～2.3ka，针叶林～灌木草原，降水减少，温度降低，相对湿度有所增加。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。