At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.Incorporating organic material into chalky soils will reduce the alkalinity.在白垩质土壤中添加有机物可降低其碱性...
Incorporating organic material into chalky soils will reduce the alkalinity.在白垩质土壤中添加有机物可降低其碱性。A pH test measures the acidity or alkalinity of a substance.pH值测试可检测物质的酸碱度。As a result, soil alkalinity rose and farmland lay...
She couldn't lift a spoon without a servant anticipating her wants and getting it for her...要是没有仆人事先想她所想并为她准备妥当,她连汤匙也举不起来。...a couple anticipating the arrival of a new child.盼望着孩子出生的一对夫妇Anticipating that it would so...
Here, we report a 20 - year - old man sustaining major liver laceration with contrast extravasation and massive hemoperitoneum.我们在此报告一位20 岁 男性外伤病例,患重大肝脏裂伤,合并显影剂滞留及大量腹膜腔出血.Change of brain edema was analyzed by Evans blue ...