Last October the first batch of low-alloy channel steel was successfully rolled.去年10月,成功轧出第一批低合金槽钢。Tom Jaine considers the latest batch of food volumes, which address both feast and famine. Some are mind-nourishing, he f...
Gaspar Schott's sketch of Otto von Guericke'Magdeburg hemispheres experiment.加斯帕·史考特关于奥托·冯·格里克的马德堡半球实验的素描画.According to medieval legends, the three wisemen were named Melchior, Balthazar and Gaspar.根据中世纪的传说, 这三...
Objective To study the preventive effect of ofloxacin and chymotrypsin on post - operative peritoneal adhesion.目的探讨氧氟沙星、糜蛋白酶腹腔灌注对污染手术后腹腔粘连的预防作用.Soil adhesion may be reduced even if water cannot readily permeate the soil ...