A new presulfidation process of hydrotreating catalyst in the hydrogenation is introduced.介绍了一种加氢催化剂器内预硫化新工艺.Determination method of Pd content in hydrotreating catalyst by ICP - AES was established.建立了采用电感耦合等离子体发射光谱(ICP...
Some children have more sociable personalities than others.有些孩子比其他孩子更善于交际。Make a list of your child's toys and then categorise them as sociable or antisocial.把孩子的玩具列个单子，然后将其分为交际型和非交际型两类。She was, and remained, extrem...
Ill (or Evil) gotten, ill (or evil) spent.悖入悖出。She and Frank had never gotten around to opening a joint account...她和弗兰克还没有抽出时间去开联名账户。Ill-gotten wealth never thrives.悖入悖出。The long term strength has gotten from the isochro...