乙烷基

We perennially deal in PEG, MPEG, Ethyleneamines and the ramification of Ethyleneamines, NP,OP, AEO, specialty surfactants(2A1, CF-10), DOW CORNING antifoam, PE Homopolymer, HEC, latex compounds for the carpet and rug, etc.

我司常年经销产品：聚乙二醇及甲氧基聚乙二醇系列、乙烯胺系列及其衍生物、烷基酚聚氧乙烯醚、脂肪醇聚氧乙烯醚、二苯醚二磺酸盐（2A1）、X-405、CF-10等表面活性剂、道康宁消泡剂、羟乙基纤维素、地毯胶等。

Water, Cyclomethicone, Glycerin, Sd Alcohol 40-B (Alcohol Denat.), Propylene Glycol, Melia Azadirachta Leaf Extract, Lecithin, Arctium Lappa Root Extract, Xylitol, Lactitol, Alpha-Glucan Oligosaccharide, Lactoferrin, Potassium Thiocyanate, Glucose Pentaacetate, Glucose Oxidase, Lactoperoxidase, Glycoproteins, Panax Ginseng Root Extract, Equisetum Arvense Extract, Hydrolyzed Milk Protein, Peg-8, Caprylyl Glycol, Sebacic Acid, Sodium Polyacrylate, Betula Alba Bark Extract, Cupressus Sempervirens Leaf Extract, Hamamelis Virginiana Extract, Avena Sativa Meal Extract, Humulus Lupulus Extract, Silk, Nylon-12, Polyacrylamide, Polymethyl Methacrylate, Butylene Glycol, Salicylic Acid, Lauryl Methacrylate/Glycol Dimethacrylate Copolymer, Tocopheryl Acetate, C13-14 Isoparaffin, Laureth-7, Triethanolamine, Xanthan Gum, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Phenoxyethanol, Chlorphenesin, Benzoic Acid, Methylparaben, Fragrance, Titanium Dioxide

水，环甲硅脂，甘油，Sd Alcohol 40-B，丙二醇，印度楝树叶萃取，卵燐脂，牛蒡根萃取，木糖醇，乳糖醇，α-葡低聚糖，乳铁蛋白，硫氰酸钾，葡萄糖五乙酸酯，葡萄糖氧化酶，乳过氧化物酶，糖蛋白，人参根萃取，问荆萃取，水解牛奶蛋白，聚乙二醇-8，辛乙二醇，癸二酸，聚丙烯酸酯钠，白桦萃取，丝柏叶萃取，金缕梅萃取，燕麦萃取，啤酒花萃取，丝，尼龙－12，聚丙烯醯胺，聚甲基丙烯酸甲酯，丁二醇，水杨酸，甲基丙烯酸十二酯，醋酸盐维他命E，C13-14 异烷烃，月桂醇聚醚-7，三乙醇胺，山羊胶，丙烯酸/C10-30烷基丙烯酸聚合物，苯氧乙醇，氯苯甘醚，苯甲酸，羟苯甲酯，香料，二氧化钛

Tergitol or PEG (0.5 g) was added to 10 mL of a 20% solution of alkyl halide in phenylacetonitrile, and then this solution was added to 10 mL of 60% aqueous potassium hydroxide.

Tergitol或聚乙二醇（ 0.5 g ）项增加了10毫升的 20 ％的溶液中苯乙腈烷基卤化物，和那么这个解决办法是增加了10毫升的60 ％水氢氧化钾。

Two benzothiazole ester compounds containing boron with different alkyl chain, Di-n-hexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester (BNS-1) and Dicyclohexyl-[2-(2-benzothiazolylthio)] ethyl boric acid ester(BNS-2), were synthesized and their tribological performance as additives in rapeseed oilwas investigated using a four-ball testing machine.

合成了两种含不同烷基链的含硼苯并噻唑酯类化合物，即二正己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-1)和二环己氧基-2-[(2-苯并噻唑基)硫代]乙氧基甲硼烷(BNS-2)。

The preparation of esterified derivant : it is prepared by the esterifying reacting of above (3) product and 4g dodecylbenzene sulphonic acid heated in water bath at 40℃ within 30min.

聚环氧氯丙烷乙二醇哌啶接支酯化衍生物的制备：4g十二烷基苯磺酸于40℃水浴条件下聚环氧氯丙烷乙二醇哌啶接支衍生物进行酯化反应。

Secondly, 2-trichloroacetylpyrrole were synthesized in the diethyl ether anhydrous at room temperature.

以无水乙醚为溶剂，摩尔比为1：1的N-烷基吡咯和三氯乙酰氯，在常温下进行反应，得到2-三氯乙酰基吡咯。

Water; Glycerin; Sodium Laureth Sulfate; Polyethylene; Acrylates/C10-30 Alkyl Acrylate Crosspolymer; Lauryl Glucoside; Phenoxyethanol; Microcrystalline Wax; Fragrance; Methylparaben; Menthyl Lactate; Sodium Hydroxide; Tetrasodium EDTA; Cellulose; Lactose; Sodium Ascorbyl Phosphate; Acrylates/Ammonium Methacrylate Copolymer; Hydroxypropyl Methylcellulose; Mica; Talc; Titanium Dioxide; Tocopheryl Acetate; Triethyl Citrate; Cucumis Sativus Fruit Extract; Citrus Grandis Fruit Extract; Panax Ginseng Root Extract; Zingiber Officinale Root Extract; Iron Oxides; Red 30; Yellow 5; Yellow 5 Lake.

成分Ingredients 水；甘油；钠Laureth硫酸盐；聚乙烯； Acrylates/C10-30烷基丙烯酸酯Crosspolymer ；十二烷基糖苷； Phenoxyethanol ；微晶蜡；香水； Methylparaben ；薄荷乳酸；氢氧化钠； Tetrasodium乙二胺四乙酸；纤维素；乳糖；钠抗坏血酸磷酸酯；丙烯酸酯/铵甲基丙烯酸共聚物；羟丙基甲基纤维素；云母；滑石粉；二氧化钛； Tocopheryl醋酸；三柠檬酸；黄瓜水果提取物；柚皮果提取物；人参根提取物；生姜根提取物；铁氧化物；红30 ；黄河5 ；黄河5湖

The micelle shape transformation of tert-octylpheny phenol polyethylene glycol ether (TX-100), sodium dodecyl benzene sulfonate and tetradecyl trimethyl ammonium bromide in heavy water solutions was studied by 1H nuclear magnetic resonance spectroscopy, including an NMR self-diffusion experiment. These experiments showed that the surfactants formed several shapes of micelles (spherical, ellipsoidal, and rodlike) at the respective concentrations which were far above their critical micelle concentration.

运用核磁共振一维氢谱和自扩散实验方法研究了聚乙烯乙二醇异辛酚醚(TX-100)、十二烷基苯磺酸钠和十四烷基三甲基溴化铵三种不同类型的表面活性剂在重水溶液中的胶束形状转变，发现它们在临界胶束浓度以上的各自相应浓度都有胶束形状的变化（由球状转变为椭球状或棒状）。

A plausible process of this reaction is as following: Aldehyde was in equilibrium with the enol form, aldehyde reacted with aniline catalyzed by 2,2,2-trichloroacetic acid to afford imine, the generated imine immediately reacted with enol to form intermediate via intramolecular cyclization.

我们发现一分子芳基叠氮和一分子三苯基磷反应生成一分子磷亚胺，后者与由两分子取代的苯氧乙酰氯原位生成的烯酮反应生成4-亚烷基-β-烷基-内酰胺，其串联过程涉及烯酮亚胺的形成及其与烯酮的[2+2]的环加成反应。

In this dissertation, preparation of polysubstituted ethene and heterocyclic compounds based on 2-hydroxyalkyl phenyl selenides andα-phenylselenopropionic acid reagents were further investigated as follow: Firstly, O-ethyl-O-vinyl phosphonates were prepared in a one-pot, two-step transformation by Mitsunobu reaction of 2-hydroxyalkyl phenyl selenides with monoethyl esters of phosphonic acid in the presence of diethyl azodicarboxylate and triphenyl phosphine (PPh3) followed by oxidation-eliminatio...

中文摘要：本文主要进一步探索了2-羟基烷基苯基硒醚、α-苯硒基丙酸试剂在制备多取代乙烯和杂环化合物反应中的应用，具体研究内容和结果如下：一、在偶氮二羧酸乙酯和三苯膦(PPh3)存在下，苯基-2-羟基烷基硒醚和O-乙基膦酸单酯发生Mitsunobu反应，无需分离和纯化反应中间体，直接使用30 %的双氧水进行氧化-消除反应，提供了&两步、一锅&合成O-乙基-O-乙烯基膦酸酯的新方法，该方法反应条件温和，操作简便，产物收率良好(76-82 %)。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。