Because of its trace amount in the nature, it is always prepared by bio - mimetic synthesis methods.昆布氨酸是昆布中一种具有降压活性的 非 蛋白质氨基酸,在昆布中的含量极少,一般采用仿生合成的方法制得.The desulfuration theory of bio combustion is presented.提出生物质型煤的固硫机理,...
The histology shows a dermal proliferation of small, irregular branching capillaries and venules with inconspicuous lumina.组织学显示真皮内小 、 不规则分支状毛细血管和小静脉的增生,伴不明显的血管腔隙.The tumor cells often have intracytoplasmic vacuoles repr...
从战场返乡的士兵挤爆了劳动力市场。Soldiers returning from the war had glutted the job market.每年有100万年轻人进入劳动力市场。A million young people enter the labour market each year.英国的失业人数已上升至占劳动力总数的8.1％。Unemployment in Britain rose to 8.1% of the la...