我要讲一种特殊的年代测定法。
铀-铅年代测定法有一些相当令人兴奋的可能性。
There are a few pretty exciting possibilities for Uranium-Lead Dating.
事实证明,放射性碳年代测定法适用于许多史前艺术品。
It turns out that radiocarbon dating works for a lot of prehistoric art.
就像我之前说到的,铀铅年代测定法已经存在一段时间了。
Like I said before, Uranium-Lead Dating has been with us for a while.
汤姆,你在考古学课上有没有讨论过放射性碳年代测定法?
Tom, in your archaeology class, did you talk about radiocarbon dating?
我预测铀-铅年代测定法将会成为一种越来越流行的年代测定方法。
I'll predict that Uranium-Lead Dating is going to become an increasingly popular dating method.
放射性碳年代测定法显示,亚马逊黑土中被烧焦的木头通常有1000多年的历史。
Radiocarbon dating shows that the charred wood in Terra Preta soils is typically more than 1,000 years old.
放射性碳年代测定法涉及到了化学分析,与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
这种年代测定法的一个问题是,有可能某一件东西从一个地方被带到了另外的地方,且被好几代人用了之后才被埋入土中。
A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.
从阿拉斯加东南海岸岛屿的洞穴中提取的化石的放射性碳年代测定法表明,在最后一个冰河时代,该地区至少有一部分保持无冰状态。
Radiocarbon dating of fossils taken from caves on islands along southeastern Alaska's coast suggest that at least a portion of the area was remaining ice-free during the last ice age.
蝙蝠用一种回声测定法来判断距离。
A组采用改良的右心导管测定法测定肺动脉平均压、右心室收缩压、右心室舒张压。
The MPAP, RVSP, RVDP were determined by modified rig ht heart catheterization in group A.
通过双荧光素酶报告基因测定法测定了IGFBP-3对由三碘甲状腺素刺激的生长激素启动子活性的影响。
The effect of IGFBP-3 on the growth hormone promoter activity stimulated by triiodothyronine was determined by dual-luciferase reporter assay.
它使用于放射性碳年代测定法。
湿度测定法是应用科学的一个分支。
橡胶。识别。红外线光谱测定法。
方法WHO生物测定法、区分剂量法。
目的:探讨聚丙烯塑料瓶的密度测定法。
Objective: To establish a mensuration for consistency of polypropylene bottle.
本测定法对于正交各向异性体是一种精确的方法。
This method is an accurate one for the measurement of orthotropic rocks.
使用激酶活性测定法检测细胞内mkk6的激酶活性。
Protein kinase assay was used to detect the activity of MKK6 in cells.
目的探讨应用脉搏血氧测定法测试牙髓活力的可行性。
Objective To discuss the feasibility of examining the pulp vitality with pulse oximetry.
目的进一步探讨增感屏胶片系统特性曲线距离测定法。
Objective: to inquire into distance method of the characteristic curve for screen-film system.
第二种测定法是古磁学分析法,也叫磁极地层学测定法。
The second dating method was palaeo - magnetic analysis, or magnetic polarity stratigraphy .
实体墙热工性能,过去多用简化计算和试验房测定法加以评价。
In the past, the thermal characteristics of a solid wall were often evaluated by a simplified calculation method or by an experimental means.
但吸附柱法实验周期太长,分批测定法仍具有不可取代的位置。
But the experiment cycle of column method is so long that batch method cannot be substituted yet.
放射性碳年代测定法显示,那块布料产于1260年与1390年之间。
Radiocarbon dating in 1988 showed the cloth was made between 1260 and 1390.
目的:建立红细胞胰岛素受体酪氨酸蛋白激酶(IRTK)的活性测定法。
Objective: to establish a method of detecting insulin receptor tyrosine kinase (IRTK) activity from erythrocytes.
这个研究也指出在肥胖个体中简单的肺量测定法是不充分证明肺功能失调的。
The study also showed that simple spirometry was inadequate to determine the level of pulmonary dysfunction which was occurring in obese individuals.
例如,已运用为青蒿素开发的简单比色测定法成功鉴定了假青蒿琥酯抗疟药物。
For example, simple colorimetric assays developed for artemisinins have been used successfully to identify fake artesunate antimalarials.
例如,已运用为青蒿素开发的简单比色测定法成功鉴定了假青蒿琥酯抗疟药物。
For example, simple colorimetric assays developed for artemisinins have been used successfully to identify fake artesunate antimalarials.
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