METHODS: The target compound was prepared by the bromination and amination reaction.方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.The effects of triacetoneamine concentration on hydrogenation and amination were discussed.论述了三丙酮胺纯度对加氢和还原胺化反应的影...
甲板上有一团乱绳.There is a tangle of ropes on the deck.我渴望运用一点山姆森的力气, 把这一团乱丝象拉绳子般地拉断!I long to exert a fraction of Samson's strength, and break the entanglement like tow!真是一团乱! 我敢肯定是卢克干的.It's a mess. I'm pretty s...
法国研究人员有可能正处于揭开肥胖症秘密的边缘.French researchers may be on the verge of unlocking the secrets of obesity.但是即使在容易变成肥胖症患者的孩子中间, 生活方式仍然是引发这种疾病的原因.But even in kids who are prone to obesity, lifestyle is what triggers it.目的观察采用不同方法治...
可在其上按一定模式穿孔的一种纸带.A tape in which hole patterns can be punched.在穿孔的连续格式纸上, 割线之间的间距.In perforated continuous forms paper, the interval between cuts.自动地将编码电信号变换为纸带上的穿孔的任何纸带穿孔机.Any tape punch that automatically converts code...
Westmoreland turns away and hunches over, blood soaking through his jumpsuit.Westmoreland转过脸去,痛苦地弯下腰, 血浸透了他的制服.I was wearing a purple jumpsuit, high heeled shoes, and lots of makeup.我穿着紫色连衫裤和高跟鞋，脸上抹着厚厚的化妆品。The baby, dres...
The dietitian was helpful, making suggestions as to how I could improve my diet...这位营养学家就如何改善饮食给我提出了些建议，对我很有帮助。Our clinical dietitian is available to advise on special diets.我们有临床营养师指导特殊饮食.You can seek the advice of a nu...
Liquidus temperature of actual aluminum electrolyte samples was measured directly.直接测定了铝电解质实际样品的初晶温度.Semi - solid slurry of Y 112 alloy was cast by near liquidus semi - continuous ( NLSC ).采用近液相线半连续多模铸造法制备出 Y112 铝合金半固态坯料...