在化学性质方面，钆示踪剂以络合物的形式存在，比硼有更强的稳定性和安全性。
The chemical property of gadolinium is more stable and safer than that of boron, because gadolinium tracer stays as a complex compound.
采用化学键联和溶胶-凝胶相结合的方法制备了带锚链固定的多相化铑膦络合物催化剂。
Heterogenized rhodium complex was prepared by the combination method of anchoring and sol-gel technique.
对于双取代络合物ma4b2，其平面排列有三个异构体，常见的为有机化学中的邻位、间位和对位排列。
FOR a disubstituted complex, MA4B2, the planar arrangement gives three isomers, the familiar ortho, meta, and para arrangements of organic chemistry.
在复合纳米纤维中，聚乙烯吡咯烷酮与碘之间存在着化学键合、形成了聚乙烯吡咯烷酮-碘络合物。
In the composite nanofibers, chemical bonding existed between polyvinyl pyrrolidone and iodine to form PVP - I2 complex.
以甘氨酸和氢氧化钙为原料、用固相化学法合成了甘氨酸钙络合物，用正交实验选择了最佳合成条件。
The reaction conditions of producing the chelate of L-Aspartic acid with calcium from L-Aspartic acid were studied.
双核金属络合物是当前金属有机化学的研究热点之一，由于两个金属中心可以协同作用，从而显示出较高的反应活性和催化性能。
Increasing attention has been paid to dinuclear metal complexes, due to the significant cooperative effect of both metal centers on their reactivity and catalytic applications.
双核金属络合物是当前金属有机化学的研究热点之一，由于两个金属中心可以协同作用，从而显示出较高的反应活性和催化性能。
Increasing attention has been paid to dinuclear metal complexes, due to the significant cooperative effect of both metal centers on their reactivity and catalytic applications.
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