权威例句
CONTRIBUTION ON THE POLYMORPHIC CONVERSION OF PURE ZIRCONIADirect post-cracking of volatiles from coal hydropyrolysis. I: Influence of post-cracking temperatureTraitement chirurgical des laxit茅s chroniques post茅ro-externes du genouAll-around care for the leg amputee.Study of the pyrolysis of mixtures of coal and iron oxides at different isothermal levels. [Mixtures contain 30% Fe/sub 2/O/sub 3/ o...PREPARATION OF PURE URANIUM AND GRAPHITE FOR NUCLEAR REACTORSLet`s Speak Business English(with 2 Cassettes)Aromatic hydrocarbons formation during coal pyrolysisBall-type triple-joint implant system for upper or lower limbsSimplified ice-cream maker