To understand the antagonism of Clostridium butyric and Bifidobacterium infants to v.了解酪酸梭菌和婴儿型双歧杆菌单独及混合培养时对霍乱弧菌的拮抗作用.Lactic acid, acetic acid and butyric acid coexisted in sour brewing products.酸味酿造产品中乳酸 、 醋酸、丁酸共存,但比例不同...
The article introduces research and application situation of solvent deasphalting - deoiling asphalt gasification - deasphalting oil FCC group technology.介绍了渣油溶剂脱沥青 - 脱油沥青气化 - 脱沥青油催化裂化组合工艺的研究及应用情况....
She climbed the staircase cautiously, holding fast to the rail.她紧紧地抓着栏杆，小心翼翼地爬楼梯。She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。He followed her up a rickety staircase to a squali...