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14C

14C

14C

14C

1

Using a set of known number radioactive 14C (n -HEXADECANE) liquid scintillation quench series source for verified the aforementioned method .

用一套已知活度的 14C （正十六烷）液体闪烁猝灭系列源对该方法作了验证。

2

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。

3

The provisional figure for warming during the year is 0 . 44C above the long-term average of 14C.

这一年温度升高的临时数字高出长期以来平均 14 摄氏度 0.44 摄氏度。

4

Cell proliferation and protein synthesis were determined by measuring the [3H]thymidine and [14C]leucine in corporation respectively .

细胞增生和蛋白合成分别采用 [3H]-胸腺嘧啶和 [14C]-亮氨酸掺入法测定。

5

This paper introduces a simple method for production of plant labeling with 14C isotope in a closed chamber supplying 14C-CO2.

本文详细介绍了一种在密闭箱中采用 14C 同位素标记植物的装置和操作方法。

6

Mechanism of NO3(superscript -)-N contamination is interpreted by data of 14C in this paper . Finally, we bring forward preventable measures.

本文结合 14C 资料对地下水 NO3 （上标 -）-N 污染机理进行了分析，并提出了相应的防治措施。

7

The translocation and distribution of photosynthate in dendrobe were studied by using14C.

用 14C 示踪技术研究了金钗石斛光合产物运转与分配的变化。

8

14C-Labeled glyceraldehyde 3-phosphate was added to a yeast extract .

把 14C-标记的 3 -磷酸甘油醛加入到酵母提取物中。

9

C14 So it 's got some concentration of 14C that came from carbon dioxide in the atmosphere .

它获得，通过吸收空气中的二氧化碳。

10

But the stratum division was based on several amS 14C-ages which were coincided with the stratum sequences .

但地层划分的依据是与地层沉积顺序完全一致的数个 14C 测年。

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