1) wetting activity
润湿活力
2) Wettability
[英][,wetə'biliti] [美][,wɛtə'bɪlətɪ]
润湿力
1.
The mixed aqueous solution has good wettability, foaming ability and emulsifiability when mass ratio of cationic surfactant and disodium sulfosuccinate monotridecanol polyoxyethylene(3)ether was 1:5 and content of cationic and anionic surfuctants in this solution was 0.
5%时,润湿力、发泡和乳化性能较好,得到的产品具有实际应用价值。
3) wetting power
润湿力
1.
Influence of branching on physical characters such as foam,wetting power and detergency were studied.
采用气相色谱/质谱(GC/MS)联用技术分析了Basf,Shell等公司商品化的支链化脂肪醇聚氧乙烯醚的碳链分布、结构和支链组成;考察了不同碳链、支链和EO分布的脂肪醇聚氧乙烯醚的物化性质,如泡沫、润湿力等,并研究了其和阴离子复配时的一些性能,如去污力、泡沫和润湿力等指标。
2.
With the increase in the polymerization number of oxyalkylene or in the carbon atom number of fatty acid, the critical micelle concentration decreased, the foaming ability reduced, the wetting power of the former reduced and that of the latter tended to enhance.
聚氧化烯烃脂肪酸乙醇酰胺磺基琥珀酸单酯二钠的表面活性吴金川*庄燕何志敏屠雨恩(天津大学化学工程研究所天津300072)关键词聚氧化烯烃脂肪酸乙醇酰胺磺基琥珀酸单酯二钠,表面活性,临界胶束浓度,润湿力,起泡力,乳液稳定性1997-02-。
3.
Sulfosuccinic acid alkyl polyethylene monoester disodium salts were prepared and their sur-face active properties such as critical micelle concentration,wetting power, foaming ability andfoam stability were investigated systematically.
结果表明,临界胶束浓度随烷基碳原子数或氧乙烯聚合数的增加而减小;烷基碳原子数为12左右、氧乙烯聚合数为5左右时,该盐具有最佳润湿力和最大起泡力;烷基碳原子被的增加一般有利于泡沫稳定性的提高。
4) Wetting Force
润湿力
1.
The wetting force can be improved with higher soldering temperature and longer time of preheating and soldering, but it will be decr.
研究结果表明:添加微量稀土(RE)可改善钎料的润湿特性,当RE添加量(质量分数)达0·1%时,润湿效果最好;钎焊温度升高、钎焊时间和预热时间延长,可不同程度提高润湿力,但钎焊温度过高、时间过长,润湿力下降;Sn2。
2.
it has higher wetting force and smaller wetting angle.
1%时,在钎焊温度为250℃、预热时间为15s、浸渍时间为5s的情况下,其与表面贴装元器件具有较好的润湿适配性,即具有较大的润湿力、较小的润湿角,其润湿力达到现行商用Sn3。
3.
In this paper,three types of wettability evaluation methods,namely wetted spreading area test,wetting force test and contact angle test,have been used to measure the wettability of Sn-37Pb using different fluxes which include different concentration of the rosin.
分别用3种润湿性测量方法(铺展面积测量法、润湿力测量法和润湿角测量法)做了不同松香浓度和不同助焊剂下的钎料Sn-37Pb的润湿性,以及在不同助焊剂下润湿性。
5) wetting
[英][wet] [美][wɛt]
润湿力
1.
Application characteristics of amphoteric surfactants were introduced including foaming,cleaning,wetting and emulsifying.
介绍了两性表面活性剂的应用性能 ,包括泡沫力、去污力、润湿力和乳化力 ,指出两性表面活性剂的上述应用性能皆与体系的pH密切相关。
6) wettability
[英][,wetə'biliti] [美][,wɛtə'bɪlətɪ]
润湿能力
1.
the wettability of C8E10S-C12NM3 goes up to the meximum when the content of C12NM3 is about 2O%,and the wettabi1ity goes down the content of C12NM3 is over 20%.
在C8E10S而中引入的C12NM3量小于10%时,C8E10S-C12NM3的润湿能力不变,大于10%时,润湿能力增加;超过20%时,润湿能力下降。
2.
The cmc and γcmc of C8E10S-C_12NM_3 and C_12E_7S-C_12NM_3 are much lower than those ofC_8E_10S,C_12E_7S and C_12NM_3 With the inerease of C12NM3,the wettability of C8E10-C_12NM_3 goes up to the maximum when the content of C_12NM_3 is about 20%,and the wettabil-ity goes dowii when the content of C12NM3 is over 20%,The wettabili.
在C_8E_(10)S中引入C_(12)NM_3的量小于10%时,C_8E_(10)S—C_12NM_3的润湿能力不变;大于10%时,润湿能力增加;超过20%时,润湿能力下降。
3.
With the increase of mixed ratio, the wettability of C8E10S-C12NM3 goes up to the maximum firstly, and then wettability goes down.
随着混合比的增加,C8E10S-C12NM3的润湿能力先增加,后下降。
补充资料:比活力
分子式:
CAS号:
性质:S.A. 一种酶纯度的表示法,以lmg蛋白质(或蛋白氮)所含的酶活力单位数表示。比活力=活力单位数/蛋白(氮)量(mg)=总活力单位数/总蛋白(氮)量(mg)。比活力越大,表示酶的纯度愈高。
CAS号:
性质:S.A. 一种酶纯度的表示法,以lmg蛋白质(或蛋白氮)所含的酶活力单位数表示。比活力=活力单位数/蛋白(氮)量(mg)=总活力单位数/总蛋白(氮)量(mg)。比活力越大,表示酶的纯度愈高。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条