1. 同位素地球化学经过对17O 校正后,用同位素相对比率法表示试样的氧同位素组成,其公式如下: 第四纪地质学与地貌学 氧同位素的标准有两个,一是平均海洋水(SMOW),其定义是 δ18O = 0; 另一是用美国北卡罗莱纳州白垩纪 Pee Dee 组箭石(Belemnites)...
2. Indoor application of emerging photovoltaics—progress...PM6:Y6-O/PDI-NO LED (1010 lx) 0.83 147 76 96.2 30.1 9 MAPbI2?xBrClx FL 1.028 126.2 76.8 99.6 36.2 51 MAPbI3?xBrx LED 0.82 170.8 68.8 96.4 34.5 52 ZnO/SnO2/MAPbI3 LED 0.98 157.6 72 115.3 37.2...
3. Sr-Nd同位素地球化学 -(147Sm/144Nd)C大陆壳平均值为0.1180;t为岩石结晶年龄或矿石形成年龄;λ147Sm=6.54×10-12a-1,(143Nd/144Nd)m和(147Sm/144Nd)m为样品的现今测定值。 另外,岩石或矿石的初始Sr同位素组成以(87Sr/86Sr)i或ISr表示,计算公式为...
4. 从头学习爬虫(四十四)高阶篇---wzwschallenge破解及其wzws'B8O+SMOwHg==','wr8Uw6hOBzs=','wpvDoV/DrsKnGsK4amTDqQ==','wpvDoV/DrsKlAQ==','w6fDqiTChyU=','w4NEOsKtRQ==','eW3CvMOYTA==','f8KceMKlw7sXw45iFTo=','w7g7ZMOGw4hh','w5kXVcOdw4A=','wposMMK6wowz...
5. Nakhlites - an overview | ScienceDirect(2005)proposed a D/H value of 6.5×SMOW for Martian surface water, which is higher than that measured in the atmosphere (5.6×SMOW). SNC meteorites have also revealed the presence of a component enriched in deuterium...
SMOW-086