Effects of water quenching on properties of pyrrhotite in calcines of Huangjingdong concentrates are - DTA techniques.回转窑焙砂中的硫主要以磁黄铁矿形式存在,在高温及酸性气氛下直接水淬冷却时....
它们是犹太民族的圣书.They were the sacred literaure of a people, the Jews.(英国国教教堂)照普通祈祷词圣书每晚祈祷.Anglican Church a daily evening service with prayers prescribed in the Book of Common Prayer....
他们建造新楼房来提高土地的等级.They upgraded the land by improving it with new buildings.我们根据阅读能力将学生划分等级.We grade the students according to their reading ability.牛奶分等级出售.The milk is sold in grades....
A NEW WOOD - FROG OF THE GENUS RANA IN MT . KUNYU, SHANDONG PROVINCE, CHINA ( AMPHIBIA: ANURA: RANIDAE )山东昆嵛山蛙属林蛙群一新种 ( 两栖纲: 无尾目: 蛙科 )The titanium ascorbate was the substance of low toxicity to fish, shellfishand anura.抗...