杂散电流泄露通常是配线系统破损或者磨损的结果，或者是由电线电气设备安装不当造成的。
Stray current leakage is usually a result of damage or wear to the wiring system or poor installation of wiring or electrical equipment.
杂环卡宾已经成为有机金属和无机配位化学中广泛应用的配体。
N-Heterocyclic carbenes have become universal ligands in organometallic and inorganic coordination chemistry.
利用分子内复配思想，根据缓蚀剂结构与效能关系设计、合成了一种杂环胺有机羧酸盐类气相缓蚀剂YC-1。
A novel heterocyclic amine organic-salt vapor phase inhibitor, named YC-1 was designed and synthesized based on the relationship between the structure and effect of inhibitor.
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