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The reliability of radiocarbon dating depends on the reliability of dating material.

14C年龄的可靠性在于测年物质的可靠。

And then some problems existing in present groundwater dating are discussed. Finally, the trend of study of groundwater radioisotope dating methods and the urgent problems which should be strengthened are pointed out.

并讨论了目前地下水测年方法中存在的一些问题，指出地下水放射性同位素测年方法研究的发展趋势和亟待加强研究的关键问题。

If you're an old hand at online dating, you'll find BBW dating sites refreshingly different.

如果你在网上约会是老手，你会发现BBW交友网站不同令人耳目一新。

Nick Shane is a street-smart Dating-Expert and author of the book "Playboyskool" and several other products that help regular guys like YOU become more successful with women and dating.

尼克谢恩是一个街-智能约会专家和本书的作者" playboyskool "和其他几个产品，帮助定期家伙像你成为更成功的与妇女和约会。

In order to select a perfective procedure and protocol for the fine grain OSL dating, measurements of natural IRSL and GLSL signals from a range of modern sediment samples collected from different sedimentary environment, tests of IRSL and GLSL bleaching behaviors for loess fine grains under sunlamp, and comparisons of the equivalent dose determined by different methods have been undertaken, as well as IRSL and/or GLSL dating of more than forty sediments samples taken from late Quaternary deposit strata at different site in North China.

为了选择更合适于中国北方沉积物样品细颗粒OSL测年的实验程序和技术，进行了华北地区不同沉积环境的现代沉积物样品的细颗粒天然IRSL和GLSL信号测量，黄土细颗粒IRSL和GLSL的光晒退测试，不同方法获得的等效剂量值的比较分析，以及取自华北不同地区的40余个晚第四纪沉积物样品的IRSL和GLSL测年。

In addition , By calculating of 210Pbex , 5.5 cm depth corresponds with the 1962. As a result, 210Pbex and 137Cs dating show a good agreement with the varve dating.

另外据210Pbex比活度CIC模式，5.5 cm处约为1962年，这和137Cs比活度曲线的1963年时标相一致。

This technique for surface dating is ripe now and often be used, especially cosmogenic isotopes 〓Be and 〓Al being used to dating.

该测年技术已经成熟，特别是利用宇生核素〓Be、〓Al对年代的计算，该测年技术在国外的应用已相当普遍。

At the time they were dating they kept it a secret bc min deul lae didn't want people to know she was dating someone younger.

他们的交往没有很多人知道，因为MIN DeulLae不想让人知道她跟一个比她小的男生在交往。

The U-Pb and Pb-Pb isotopic dating of zircons provided the ages of 447-462Ma representing the ages of peak granulitic metamorphism. The U-Pb dating of detrital zircons from aluminum-rich gneisses yielded older upper intercept ages which reflect the times of older materials derived from sourse rocks of the gneiss protoliths.

岩石中变质锆石的U-Pb及Pb-Pb同位素测定获得447-462Ma的年龄值，代表其麻粒岩相的变质作用时代，富铝片麻岩中含继承组分的锆石还获得较老的上交点年龄，它可能代表其沉积岩原岩源区的年龄。

If there is anything that can be termed as a dating that has been sublimed in perfection, speed dating takes precedence.

如果有任何可以被称为一个约会已升华完美，速度约会优先。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。