In the system,cetyltrimethylammonium bromide was used as surfactant,octane was used as solvent and butanol was used as co-solvent.

在反膠束體系中采用十六烷基三甲基溴化銨作為表面活性劑，正辛烷和丁醇作為溶劑及助溶劑美女一级黄色视频免费看。

It has been shown that the nonionic surfactant has marked inhibiting effect on the corrosion of carbon steel.

結(jié)果表明，平平加0-20對碳鋼在酸中的腐蝕具有一定的抑制作用。

3The adsorption of carboxylate on oil sand increases to maximum and then decreases with the increasing of surfactant concentration.

改性植物羧酸鹽SNHD吸附量隨著活性劑濃度的增加出現(xiàn)一最大值欧美色综合,色综合，然后下降。

The results showed that the low interface tension is contributed by the carboxylate surfactant,but the transient process is caused by the interface active agents produced from the reaction between base in water and organic acid in crude oil.

結(jié)果表明三级视频网站视频网站受不了了，低界面張力主要是石油羧酸鹽活性劑的貢獻(xiàn)北京一级黄片，而動態(tài)LIFT過程是由水相中堿與原油中的有機(jī)酸反應(yīng)生成的界面活性物質(zhì)引起的国产不卡久久精品影院尤物。

The preparation process includes the following steps: dissolving activator and RE oxide in the molar ratio of 0.01-0.02 in concentrated nitric acid and heating to dry, dissolving the obtain RE nitrate in deionized water to obtain solution of RE nitrate; dissolving soluble tungstate and surfactant in deionized water to obtain tungstate solution; mixing the RE nitrate solution and the tungstate solution through stirring to reaction for 25-60 min to obtain white precipitate; hydrothermal reaction of the precipitate in a reaction kettle at 100-260 deg.c for 24-72 hr; centrifugally separating, washing and drying to obtain the product.

濃硝酸的加入量保證稀土氧化物溶解就可以，過量的硝酸可以加熱除去思思精品视频；將可溶性鎢酸鹽和表面活性劑溶解于去離子水中人妻在线交插，得到鎢酸鹽溶液，表面活劑性的加入量為反應(yīng)原料重量的0-30wt％久久精品伊人不卡一区；將稀土硝酸鹽溶液加入到鎢酸鹽溶液中攪拌95免费视频，發(fā)生沉淀反應(yīng)，磁力攪拌時間為25-60分鐘美国黄片一级片，得到白色沉淀激情小说另类；將含有沉淀物的溶液作為前驅(qū)物加入到反應(yīng)釜中，發(fā)生水熱反應(yīng)亚洲天堂日韩无码国产AV，反應(yīng)溫度為100-260℃操美女6666，反應(yīng)時間為24～72小時；離心分離免费费一级毛片免费，洗滌毛片免费看不卡网站，干燥，即得所需產(chǎn)物东北美女性高潮视频。

Meanwhile, few surfactant\|2 formed monolayers and a paraffin complex with the chain straight...

此外 美女黄色视，還使得有機(jī)粘土的含水量和吸濕率較原土有顯著降低。

Of all chemicals, surfactant and chelator are well received for their properties of solubilization, mobilization and chelation, and so on.

當(dāng)前對表面活性劑去除土壤中重金屬污染的研究多處在實(shí)驗(yàn)室階段欧美日韩黄片免费在线观看，且主要是用在實(shí)驗(yàn)室柱淋洗和批試驗(yàn)中亚洲综合激情另类小说，不能有效地應(yīng)用于實(shí)際。

In Chapter 2, enantioseparations of four pairs of neutral and poorly water-soluble organophosphorus pesticides enantiomers were achieved by using natural chiral surfactant sodium cholate either with sodium dodecyl sulphate or with γ-cyclodextrin in nonaqueous solvent or aqueous-organic solvent systems.

第二章在非水介質(zhì)或水相/有機(jī)介質(zhì)中美女顶级依人在线视频观看，或?qū)⑻烊槐砻婊钚詣┠懰徕c與陰離子表面活性劑十二烷基硫酸鈉構(gòu)成混合手性膠束黄色美女视频软件，或?qū)⒛懰徕c與γ-環(huán)糊精構(gòu)成二元手性協(xié)同體系，用于中性疏水有機(jī)磷農(nóng)藥對映體的手性拆分91区国产在线观看。

It also demonstrates that using enzymes in other processes in beamhouse will result in decreasing of operation time and the dosage of hazardous materials such as sodium sulfide, surfactant etc, increasing of amount of fixed chrome in leather and raising yield of leather and qualities.

利用生物酶技術(shù)進(jìn)行綿羊服裝革生產(chǎn)時亚洲视频在线88888，應(yīng)注意選擇合適的復(fù)鞣、加脂劑国产强伦姧在线观看，進(jìn)行適當(dāng)?shù)呐湮榕九揪犯＠⑦x擇合適的加料順序和方法，以得到最佳的坯革質(zhì)量www.av.。選擇合適的整理方式超碰aⅴ人人做人人爽、涂飾材料和涂飾方法對綿羊服裝革的外觀和內(nèi)在質(zhì)量也很重要。

Some relative researches for the removal of surfactant in the chunnel of molecular sieves were investigated.

并對介孔分子篩孔道內(nèi)表面活性劑去除進(jìn)行了相關(guān)研究国产欧美高清。