一氧化碳可把有柠檬酸钠作防凝结剂的血液由血红色变成鲜紫红色.CO can turn citrated blood from blood red to cherry pink.高分子电解质作为凝结剂援助更低白矾和辅助化学制品必需的剂量.Polyelectrolytes as coagulant aids lower the required dosages of alum and auxiliary chemicals....
He looks more like a stockbroker than a teen idol.他看起来不像是青少年偶像，而更像个股票经纪人。The intelligence of most teen - ager prisoners ( 83 percent ) was lower or had defect.瑞文标准推理测验智力水平属中下等和缺陷者居多,达 83%.Anna and Max are a teen fictive ...