Glyoxylic acid was rapidly synthesized by catalytic oxidation of glyoxal with H 2 O 2.在催化剂存在下,用双氧水氧化乙二醛溶液快速合成了乙醛酸.Glyoxal is prepared with waste liquid propellant HNO 3 - 27 S and ethanal.利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛.There a...
The Institute of Export now fears that 100,000 jobs will go.现在出口协会担心将失去10万个工作机会。He visited the Institute of Neurology in Havana where they both worked.他访问了两人都曾工作过的哈瓦那的神经病学研究所.He got a scholarship to the Pratt Institute o...
So cuddly. The beautiful crib from Mom and Dad.抱起来真舒服. 爸爸妈妈送的漂亮婴儿床.I'm sweet and I'm cuddly -- I'm gonna kill that green dog!我既甜美又令人想拥抱 ─ ─而且我要杀了那只绿毛犬!You can't call a hedgehog cuddly – that's a ...
She checked the seating arrangements before the guests filed into the dining-room.在客人们鱼贯进入餐厅之前,她核实了一遍座位安排。The stadium has been fitted with seating for over eighty thousand spectators.这个体育场配备了8万多个观众座席。It is a downmarket e...