The mechanism of oxygen absorption and deoxygenation is discussed.讨论了该配合物的吸氧与释氧机理.And then advice on choosing the methods of deoxygenation of boiler water is given.在此基础上,找出它们的优缺点,提出了锅炉给水除氧方法选用的建议性意见.Quartz sand, activate...
Their poultry are kept in the yard.他们的家禽关在院子里。...intensive methods of rearing poultry.饲养家禽的集约化方法This spice is used particularly in poultry feed to deepen the colour of egg yolks.这种香料尤用于家禽的饲料中，以加深蛋黄的颜色。Poultry hauling equ...
多巴胺是一种重要的神经传递素。Dopamine is an important neurotransmitter.成神经细胞瘤患者尿中也出现大量的多巴 、 多巴胺以及它们的代谢物.Neuroblastomas are also associated with increased urinary levels of dopa, dopamine and their metabolites.多巴胺还在吸毒和其他成瘾行为中发挥着作用.Dopa...
Everything breakable had been broken and scattered chaotically about the room.房间里能打碎的东西都打碎了，一片狼藉。His thoughts churned chaotically in his brain like snowflakes whirling about in the north wind.头脑里,情思弥漫纷乱像个北风飘雪片的天空.The dru...
It was raining quietly and steadily and there were little pools of water on the gravel drive...雨一直静静地下着，沙砾车道上积起了一摊摊水。The hospital has pioneered the use of birthing pools.这家医院率先使用了分娩池。His eyes were like bottomless brown p...