对用分子氧催化氧化联二脲制取ADC发泡剂进行了探讨。
The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.
结合55篇参考文献，概述了近年来氧桥联、氰桥联、硫氰根桥联等多核配合物的研究进展状况。
This is a review with 55 references on the progress of oxo-, cyano-, thiocyanato- bridged polychromium complexes etc.
用等吸收双波长消去法测定联磺甲氧苄啶片含量的方法，其回收率在99％以上。
Sulfamethoxazole, sulfadiazine and Trimethoprim Tablets was determined by an equal absorbance deduction dual-wavelength spectrophotometry with rate of recovery of more than 99%.
用等吸收双波长消去法测定联磺甲氧苄啶片含量的方法，其回收率在99％以上。
Sulfamethoxazole, sulfadiazine and Trimethoprim Tablets was determined by an equal absorbance deduction dual-wavelength spectrophotometry with rate of recovery of more than 99%.
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