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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。

Online dating is a form of dating facilitated by a computer and the Internet.

网上约会是一种形式的约会，促进由计算机和互联网。

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。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。