1) isotope line
同位素线
2) isotopic curve
同位素曲线
1.
The correlation of the sealevel curve based on the outcrop sequence stratigraphy and carbon and oxygen isotopic curves for the Tianping section in Dayong, Hunan shows that: (1) the sealevel curve based on the outcrop sequence stratigraphy is in general agreement with the carbon and oxygen isotopic curves; (2) sea.
笔者通过海平面变化曲线与碳氧同位素曲线比较,发现两者曲线基本吻合。
3) isotopicray measurement
同位素射线测量
1.
The effective factors on the determination for the coat gauge of calendered cord by isotopicray measurement were analysed;the curves from the classical theoretic model N=N0e-λm,the simulating sample model y=f(x,a,b,c,d) and the simulating predictive model yi=(xi,a,b,c,d) were compared with the measured values;and the simple shape regression optimization was described.
分析了影响同位素射线测量技术测算压延帘布覆胶厚度的各种因素;进行了经典理论模型N=N0e-λm、仿真样本模型y=f(x,a,b,c,d)和仿真预报模型yi=f(xi,a,b,c,d)曲线与实测值的比较;介绍了单纯形寻优选点方法。
4) isotope separator on line (ISOL)
在线同位素分离
5) cosmogenic nuclide
宇宙线源同位素
6) isotope contour
同位素等值线
补充资料:氢同位素动力学同位素效应
分子式:
CAS号:
性质:在化学反应过程中反应物本身因同位素取代而改变能态,引起化学反应速度的差异。氢同位素动力学同位素效应很大,α=kH/kD可达2~10左右。0℃时Al4C3与水反应α=3.9,30℃时Fe与H2SO4反应α=6.6。轻水电解时比重水分解速度快,动力学同位素效应随电极材料、电解条件而变,氢-氘的α在3~12之间。当前采用减容电解来制取终浓重水。
CAS号:
性质:在化学反应过程中反应物本身因同位素取代而改变能态,引起化学反应速度的差异。氢同位素动力学同位素效应很大,α=kH/kD可达2~10左右。0℃时Al4C3与水反应α=3.9,30℃时Fe与H2SO4反应α=6.6。轻水电解时比重水分解速度快,动力学同位素效应随电极材料、电解条件而变,氢-氘的α在3~12之间。当前采用减容电解来制取终浓重水。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条