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...
A solid headspace capillary gas chromatography for the determination of residual organic solvents asarone was established.建立了固体顶空毛细管气相色谱法测定细辛脑中有机溶剂残留量.Methods: Using heavy caliber capillary gas chromatography with headsp...
Objective : To investigate the correlation between entophytic fungal habitations and varieties of Ligusticum.目的: 探讨川芎内生真菌类群与川芎品种和产地的关系.Ye shall kindle no fire throughout your habitations upon the sabbath day.3当安息日,不可在你们一...
They embarrassed her by complimenting her on her beauty.他们恭维她的美貌使她很不好意思.Here are a few magazine articles complimenting our products.这是些称赞我们产品的杂志文章.In complimenting you, she is a promise of superior offspring.作为对你的补充, 她将保...
Propellant binders based on these materials have excellent mechanical properties and good performance.用这些材料制成的推进粘结剂的工作性能很好,而机械性能则更为突出.The and inferior binders fabrication process has become much more important.黏合剂制作工艺优劣显...