The power spectrum analyses of the subtropical high indexes reveal a significant 11- and 22- years cycle, coupling well with the same cycle of slar activity.
后者的功率谱分析显示出存在着明显的11和22年振动，且和太阳活动相应的周期很好地耦合。
Sihetun is a typical area reprsenting the coupling relationship between volcanic activity and biological catastrophic events.
四合屯地区是开展中生代火山活动与生物灾难事件耦合研究的典型地区。
The result reveals that the ligands have good activity and the coupling proceeds fairly mildly.
结果表明这些膦配体具有很高的活性，反应可以在很温和的条件下进行。
Catalytic actiVity of Nickel complexes in the cross-coupling reaction for forming C-C bond have been studied. Gived spectra analysis date of ketones.
本文就镍结合物在形成碳-碳键交叉偶联反应中的性能及活性做了探索和研究。并对合成产物进行了光谱分析及测试。
Silica supported cyanoethylated soluble protein-Pd has been prepared and its catalytic activity in the cross-coupling reaction of tributyltin hydride and acid chlorides was studied.
制备了以超细二氧化硅为载体的氰乙基化可溶性蛋白质-钯催化剂，研究了它对三丁基锡氢化物和酰氯化合物偶联反应的催化活性。
There is evidence that the troposphere-stratosphere coupling interaction is closely associated with the quasi-stationary planetary wave activity.
观测和模拟结果都表明，在北半球冬季准定常行星波的经向传播存在两支波导。
There is evidence showing that the troposphere-stratosphere coupling interaction is closely associated with the quasi-stationary planetary wave activity.
观测和模拟结果都表明，在北半球冬季准定常行星波的经向传播存在两支波导。
There is evidence showing that the troposphere-stratosphere coupling interaction is closely associated with the quasi-stationary planetary wave activity.
观测和模拟结果都表明，在北半球冬季准定常行星波的经向传播存在两支波导。
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