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- carbon isotopic reversal trend 负碳同位素系列
- TSR is also a reason for the partial reversal trend of carbon isotopes in some regions. 同时，在局部地区硫酸盐热还原（TSR）也可引起碳同位素组成的局部倒转。
- Some scholars consider that “isotopic reversals”can result from the mixture of two kinds of biogenic natural gas with “normal distribution” in carbon isotope. 对于前者而言，作为混合的两个端元天然气，它们必须具有不同的成因或来源，或它们是明显不同的演化阶段的产物。
- Carbon isotopic reversal 同位素倒转
- Statistics show a reverse trend to that record in other countries. 统计数字表明这种趋向与其他国家所示情况迥异
- The carbon isotopic age by 14C of Krish cultural layer of this settlement is about 6650+50 y. BP or 5600-1480 y. 这些地区Krish文化层的~(14)C同位素年代为6650+/-50年,或者公元前5600-1480年。
- The record showed a reverse trend to that in other countries. 记录显示了一个与其他国家截然相反的趋势。
- The research also shows that there is not any change in the stable carbon isotopic composition in all these river systems caused by the quake. 本研究同时显示921地震并未对这些河川之稳定碳同位素组成造成影响。
- Carbon isotopic composition of modern soil and paleosol as a response to vegetation change on the Chinese Loess Plateau. 黄土高原现代土壤和古土壤有机碳同位素对植被的响应","Liu, WG;Ning, YF;An, ZS;Wu, ZH;
- Dai Jinxing,Li Jian,Luo Xia,et al.Alkane carbon isotopic composition and gas source in giant gas fields of Ordos Basin[J].Acta Petrolei Sinica,2005,26(1):18-26. [20]戴金星;李剑;罗霞;等.;鄂尔多斯盆地大气田的烷烃气碳同位素组成特征及其气源对比[J]
- Statistics showed a reverse trend to that recorded in other countries. 统计数字表明这种趋向与其他国家所示情况迥异。
- Sulphur can influence the carbon isotopes of gaseous hydrocarbon. 单质硫还会影响气态烃碳同位素组成。
- Compared with the control,the ratio of CD16 + CD56 + NK sub-class in RSA was higher(P<0.05),and another sub-class showed the reverse trend. 与对照组比较;RSA组CD16-CD56+比例减少;而CD16+CD56+比例上升(P<0.;05)。
- Results Compared with the control,the ratio of CD16 + CD56 + NK sub-class in RSA was higher(P<0.05),and another sub-class showed the reverse trend. 结果与对照组比较;RSA组CD16-CD56+比例减少;而CD16+CD56+比例上升(P<0.;05)。
- These neutrons react with nitrogen nuclei, giving out a proton and producing the active carbon isotope 14. 这些中子跟氮元素的核子产生反应，释放出一个质子并产生出活性碳同位素14。
- oxygen and carbon isotopic composition 碳、氧同位素
- oxygen and carbon isotopic compositions of shells 壳体O、C稳定同位素组成
- stable carbon isotopic signature of CH4 甲烷碳同位素比值
- carbon isotopic composition of individual n-alkanes 单体碳同位素
- carbon isotopic equilibrium method 碳同位素平衡法
