Methods: Using heavy caliber capillary gas chromatography with headspace sampling.方法: 采用顶空进样技术,用大口径毛细管气相色谱法测定.Acid - volatile sulfide in river sediment sample was measured by reaction headspace.采用顶空色谱测定了河流底泥中的可酸挥发硫化物.Two...
Going grey is not necessarily synonymous with growing old.头发变白并不一定等于变老了。In politics, power and popularity are not synonymous.在政治上，权力和声望并非相依而存。Wealth is not necessarily synonymous with happiness.财富未必等同于幸福。...
They all bonded while writing graffiti together...他们都是在一起涂鸦时互相熟识的。It is recycling machine for machine with acentric dry method , flts for bonded sand sand.该机是机械离心干法再生装置,主要用于树脂砂旧砂的再生.Silver overlay is bonded to the entire...
Their economy crumbled under the weight of United Nations sanctions...在联合国制裁的重压之下，他们的经济崩溃了。A full-scale debate is under way on what ails the industry.关于工业为何陷入困境正在展开一场全面的讨论。Racism is wholly unacceptable under any circumst...