purification n. 1.清洗,洗净;净化(作用)。 2.提纯,精制。 3.【宗教】涤罪;洁身;斋戒;洁礼,祓;【天主教】洁杯式。 the P- of the Virgin Mary =Candlemas.
extraction n. 1.抽出,拔出。 2.【化学】提取(法);萃取(法);回收物,提出物;精炼。 3.精选,摘要。 4.血统,家世,出身。 5.【数学】开方,求根。 spirit of the first extraction 原汁酒。 a man of foreign extraction 外国(血统的)人。 extractions from a book 一本书的内容摘录。 an extraction of 81 percent 百分之八十一的出粉率,八一粉。 the extraction of root 【数学】开方法,求根法。
Studies on the extraction and purification of shuxiong dropping pill 舒胸滴丸提取纯化工艺的研究
Study on extraction and purification of sod from garlic cells 从大蒜细胞中分离纯化出超氧化物歧化酶
extraction and purification of two antioxidants from rosa rugosa 玫瑰花中两种抗氧化成分的分离鉴定与活性测定
Study on extraction and purification process of total anthraquinone in rheum 大黄总蒽醌提取与纯化工艺的研究
extraction and purification antibacterial polysaccharide from nephrolepis cordifolia 抗菌肾蕨多糖的提取与分离
Study on extraction and purification of hypericin from hypericun perforatum l . with ethanol 金丝桃素的提取纯化工艺研究
Study on the extraction and purification of chlorogenic acid in eucommia ulmoides oliv . leaves 杜仲叶中绿原酸的提取纯化研究
Study on extraction and purification of general flavonoids from buckwheat fagopyrum esculentum stems 甜荞麦茎中类黄酮的提取纯化工艺研究
The methods of extraction and purification, determination of purity and molecular weight, chemical composition, and bioactivities of tea polysaccharide are summarized 本文就茶多糖的提取纯化方法、纯度测定、分子量测定、化学组成、生理作用等进行综述。
After plasmid and cherosome dna extraction and purification, the gyra of 16 isolates of salmonella gene was amplified by polymerase chain reaction ( pcr ) 测定了16株致病性沙门氏菌对12种抗菌药物的最低抑菌浓度(mic),依照美国临床实验室标准委员会(nccls)标准(1990)判定菌株耐药性。