Diene value by maleic anhydride addition reaction .

用马来酸酐加成反应测定二烯值。

Methods of determination of tungsten anhydride .

钨酐含量测定方法。

And benzene of parcel area cooking explores on raise , prop up certainly to arriving since suitable anhydride .

而局部地区焦化苯试探上扬，对顺酐起到一定支撑。

Muscle anhydride 92 thin red bubble height occults blood 3 + is weak kidney what .

肌酐92红细泡高潜血3+是肾衰吗。

Phthalic anhydride is irritant to tissue and should be handled with care .

邻苯二甲酸酐对细胞组织有刺激性，使用时要小心。