醚

The cytoderm of the thalli contained glycerol diether derivatives with halophilous archaea characters. The shape of the thalli was spherical and the colony was orange red, which was identified as halophilous archaea, Halorubrum genus based on the physiological and biochemical identification and l6S rDNA gene sequence homologous analysis.

结果］SYM菌株能在饱和NaCl浓度下生长，菌体细胞壁含有嗜盐古细菌特征性的甘油二醚衍生物，菌体形态为球状，菌落显橙红，经生理生化和16 SrD-NA基因序列同源性分析鉴定为嗜盐古细菌嗜盐深红菌属。

More than 75%of dodecene,decene,allylplenylether,phenylpropene(1.9×10－3mol) were completely hydrosilylated with 23.2 mg complex containing 4.9×10－6 mol platinum within 0.75 hour.

使用23.2 mg络合物(含4.9×10－6 mol Pt)为催化剂、分别使用1.9×10－3 mol 1－十二烯、癸烯、烯丙基苯基醚、苯丙烯进行硅氢加成反应，在0.75 h内产率超过75%。

The IR spectra of wastewater simulated with two typical fatty amine flotation collectors of decyl propyl ether amine and stearylamine were studied and the mechanism of degradation of fatty amine flotation collectors by the UV/H2O2/air oxidation method was discussed.

测定了十二烷基丙基醚胺和十八胺两种典型脂肪胺浮选捕收剂模拟废水降解前后的红外吸收谱图，初步探讨了UV/H2O2/air光化学氧化法处理脂肪胺浮选捕收剂模拟废水的降解机理。

Ingredients: Aqua, Decyl Glucoside, Helianthus Annuus Seed Oil*, Sucrose Cocoate, Glycerin, Phenoxyethanol, Xanthan Gum, Coco-betaine.

成份：水族，癸基葡糖苷，向日葵籽油*，蔗糖Cocoate，甘油，苯醚，黄原胶，可可，甜菜碱。

The invention discloses a method for extracting polysaccharide from chiretta and an application, which comprises breaking dry chiretta via a breaker into powder, arranging into an extraction pot, adding ligarine to reflux and defat, adding distilled water into defatted residues to extract, processing alcohol precipitation and centrifugation to obtain deposits, removing protein, processing acid hydrolysis and gel chromatography separation, freezing and drying to obtain active chiretta polysaccharide.

本发明公开了一种从当归中提取多糖的方法及应用。干燥当归用粉碎机粉成粉末，置入提取罐中，加入石油醚回流脱脂，向脱脂后的残渣中加入蒸馏水提取，醇沉、离心得沉淀，除去蛋白、酸解、凝胶色谱分离、冷冻干燥得到活性当归多糖。

Benzyl bromide was synthesized from dibenzyl ether and hydrobromic acid with SO42-/ TiO2 as catalyst and cyclohexane as dehydrant.

以二苄醚和氢溴酸为原料，SO42-/TiO2为催化剂，环已烷为带水剂，合成了溴化苄。

The KR 12 oil demulsifying agent,which is a kind of modified polyether type high molecular polymer,with good oil-solubility,can improve the demulsibility of industrial lubricating oil remarkably and reduce the air release value of oil as well as has good oxidation and storage stabilities.

KR 1 2油品破乳剂是一种改性聚醚类高分子聚合物，油溶性能好，能显著改善工业润滑油的抗乳化性能，降低油品空放值，其氧化、储存稳定性好。

Co condensation type polyamides were prepared by using 1,2 dihydro 2 (4 aminophenyl) 4 [4 (4 aminophenoxyl) phenyl] phthalazin 1 one and 4,4′ diamino biphenyl ether or 4,4′ diamino biphenyl methane as the co diamine monomers and aromatic diacid as the co condensation monomer.

采用 1 ，2 -二氢-2 -( 4-氨基苯基)-4 -[4 -( 4-氨基苯氧基)-苯基 ]-二氮杂萘-1 -酮、4 ，4′-二氨基二苯醚、4 ，4′-二氨基二苯甲烷为共缩聚二胺单体与对苯二甲酸进行共缩聚反应，制备共缩聚型聚酰胺。

Chapter four. Two glucosamide-based trisiloxane Gemini surfactants which were connected with the short carbon chain dialcohol diglycidyl ether spacer were synthesized and their properties were determined. These compounds were structurally characterized by their 1H and 13C NMR spectra and elemental analysis.

界面性能通过K12表面张力仪测定，在临界聚集浓度CAC为1一3、10一5时可以显著地降低水的表面张力值至约21 mN/m，比连接基为低碳链二缩水甘油醚的略低，其CAC值随着乙氧基数的增加而增加，其CAC值比相应的单体低1~2个数量级，而且有两个CAC值。

Namely, only for biobriquette low presence of dialkyl sulphides and aliphatic thiols was registered.

对于生物型煤来说，仅检测到少量二烷基硫醚和脂肪硫醇的存在。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。