The results showed that the optimal sterilizing method of buds was treating with 0.1 % HgCl_2 plus Tween-20 ( 2 drops ) for 7 min ;

以 室内 水培 萌发的芽为外植体，最佳消毒方法是 0.1%HgCl 2+ 吐温（2滴）消毒7min；

A water-repellent is formulated by polyvinyl alcohol two kinds of nonionic surfactants ( Span-20 and Tween-20 ) water-soluble inhibitor and et al .

研制了一种以聚乙烯醇、2种非离子表面活性剂&Span-20和 Tween-20、水溶性缓蚀剂等为原料的水性憎水剂；

The results show that Tween-20 can effectively increase reducing sugar and ethanol yields and reduce the amount of high-cost enzyme loading .

结果显示， 吐温 -20能有效地提高 发酵 液中还原糖和乙醇的产率，减少高成本的纤维素酶用量。

Preservation course and field experiment etc. The results are as follows : ( 1 ) the block solution is the PBS solution containning BSA and Tween-20 the percentage of which are 0.2 % and 0.1 % respectively .

试验所得结果如下：（1）封闭液为含0.2%BSA， 0.1%Tween-20的PBS溶液；

Spectrophotometric Determination of iron in plant with potassium thiocyanate and 1 in the presence of Tween-20

硫氰酸钾-邻菲啰啉- 吐温 -20分光光度法测定植物中的铁

Fluid room temperature phosphorescence of tryptophan in non-ionic surfactant Tween-20 micellar system

非离子表面活性剂 Tween-20胶束体系流体室温燐光法测定色氨酸

(ⅱ) The Escherichia coli Chromogenic media was put into the different concentrations of sucrose monopotassium phosphate and tween-20 to improve the detection rate .

在大肠杆菌显色培养基的基础上对其进行改良，通过向大肠杆菌显色培养基中添加不同浓度的蔗糖、磷酸二氢钾和 吐温 -20，提高了大肠杆菌显色培养基的检出率。

A kind of water-based water-repellent using polyvinyl alcohol with the aids of two kinds of nonionic surfactant Span-20 and Tween-20 and water-soluble inhibitor for the treatment of iron and steel samples was studied .

研究了一种以聚乙烯醇为基质，辅以两种非离子表面活性剂Span80和 Tween80及水溶性缓蚀剂的水基憎水剂，用来处理钢铁试样。

Effects of Tween-20 on the k ~ + transport of excised wheat roots

表面 活性 剂 Tween-20对离体小麦根钾离子运转的影响

Influences of DMSO Tween-20 and Triton X-100 on Production of Isoflavones in Cell Suspension Cultures in Pueraria lobata

DMSO、 Tween-20和TritonX-100对野葛悬浮细胞异黄酮生产的影响

Dissipate light petroleum into uniform oil-water emulsion using Span-80 and Tween-20 as complex emulsifier .

以司班-80（Span-80）与 吐温 -20 （ Tween-20）为复合乳化剂，将轻质石油产品分散成均匀的油水乳化液。

The results showed that Tween-80 does not play an active role but will decrease the leaching rate Tween-20 can accelerate the leaching but ultimately failed to increase the leaching rate .

试验结果表明，吐温80没有起到积极作用，反而使浸出率有所降低。 吐温 20可以加速浸出，但最终的浸出率没能提高。

75 % alcohol sterilized the explants for 30 seconds 0.1 % mercuric chloride with 3 ~ 5 drops of Tween-20 sterilized the explants for 5 minutes which not only decreased the explant pollution rate but also promoted the callus growth .

经30s75%酒精消毒后，再用01%升汞加3～5滴 吐温 20消毒5min，既能减少污染，又能促进外植体愈伤组织生长。

Gum arabic Tween-20 Tween-80 and Polyvinyl alcohol 124 enhanced the lipase production whereas CTAB and Triton X-100 played a negative role in lipase production .

阿拉伯胶、 吐温 -20、吐温-80、聚乙烯醇124能促进脂肪酶的产生，而CTAB和TritonX-100则起相反的作用。

When the fermentation medium was added to 0.2 % ( V / V ) Tween-20 the production of Nisin with immobilized cells was 50 % ~ 60 % of that of the free cell fermentation during batch fermentation .

发酵培养基添加0.2%（V/V） 吐温 -20 ℃ 摇床培养进行分批 重复发酵，可连续使用五批以上，而发酵液Nisin效价 未有下降，达游离细胞发酵液的50%～60%。