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异丙胺

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The method is characterized in that: mixture of macromolecular dihydric alcohol and a dihydroxybutyl-terminated polydimethylsiloxane is dehydrated, added with diisocyanate for reaction, then added with a bis propionic acid, a dihydric alcohol chain extender and a catalyst - dibutyl tin laurate, and is diluted by acrylic ester; temperature reduction and emulsion are performed on the mixture after reaction; chain extension reaction is performed in water by a multi-amine chain extender, and siloxane modified polyurethane dispersoid which contains acrylic ester monomer is prepared; and an initiator - potassium persulphate is added into the siloxane modified polyurethane dispersoid for emulsion polymerization.

特征是先将大分子二元醇与二端羟丁基聚二甲基硅氧烷的混合液脱水后加入二异氰酸酯,反应后加入二羟甲基丙酸、二元醇扩链剂和催化剂二月桂酸二丁基锡,并用丙烯酸酯进行稀释,反应后降温乳化,用多元胺扩链剂在水中进行扩链反应,得到含有丙烯酸酯单体的硅氧烷改性聚氨酯分散体,然后再通过加入引发剂过硫酸钾进行乳液聚合。

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

Nine seasickness adaptive proteins were identified by PMF: peroxiredoxinⅠ, peroxiredoxinⅡ, light molecular-weight neurofilament, ubiquitin carboxyl-terminal hydrolase PGP9.5, and glutamine synthetase were highly expressed; carbonic anhydraseⅡ, triosephosphate isomeraseⅠ, phosphoglycerate mutase isozyme B and mitochondrial voltage dependent anion channel were lowly expressed.

获得了9个晕船适应相关蛋白质:硫氧还蛋白过氧化物酶Ⅰ、硫氧还蛋白过氧化物酶Ⅱ、低分子量神经丝蛋白、泛素羧基末端水解酶PGP9.5和谷氨酰胺合成酶上调;碳酸酐酶Ⅱ、磷酸丙糖异构酶Ⅰ、磷酸甘油酸变位酶B和线粒体电压依赖型阴离子通道下调。

The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.

以异丁醛和甲醛为原料,三乙胺为催化剂,羟醛缩合法合成了2,2-二甲基-3-羟基丙醛。

In this thesis, monomer with unsaturated double bond was firstly synthesized byreacting acryloyl chloride with bifunctional monomer. Such synthesized monomer ormonomer with initial unsaturated double bond was used to prepare linear polymericmaterials by free radical polymerization. A series of new degradable space polymerswith acylamino bond were subsequently synthesized using diisocyanate as thecross-linker.

本文首先通过丙烯酰氯和双官能团单体反应引入不饱和双键,或者直接使用具有不饱和双键的单体,通过自由基聚合得到含有活泼羟基或氨基的线型高分子聚合物,再用二异氰酸酯作为交联剂交联,从而合成了一系列基于酰胺键的新型可降解高分子体型聚合物。

The aqueous polyurethane prepolymer was prepared through step-growth polymerization of diphenylmethane diisocyanate with polyester glycol and dimethylol propionic acid, which was then neutralized by triethylamine to form the stable transparent aqueous polyurethane dispersion.

以二苯基甲烷二异氰酸酯、聚酯二醇、二羟甲基丙酸等为原料合成了水性聚氨酯预聚体,用三乙胺中和制备了水性聚氨酯的透明乳液。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟-2-(2-甲基-3-氧丙基)-4-氧-N,3-二苯基-苯丁酰胺(1)的方法,其包括以下步骤:新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle-Craft酰化反应,得到对4-氟-苯基苄基酮(4);化合物(4)在少量AlCl3催化下进行羰基α位溴化,得到α-溴-4-氟-苯基苄基酮(5);然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

By adopting the method of stepwise synthesis, this paper synthetizes 1,3 - diaminopropanein 2-Hydroxy-3-methoxybenzaldehyde Zn-Sm heteronuclear bimetallic in Anhydrous methanol solution.

6楼本文采用分步合成的方法,在无水甲醇溶液中合成了1,3-丙二胺缩邻香兰素Zn-Sm异核双金属配合物。

By adopting the method of stepwise synthesis, this paper synthetizes 1,3 - diaminopropanein 2-Hydroxy-3-methoxybenzaldehyde Zn-Sm heteronuclear bimetallic in Anhydrous methanol solution.

本文采用分步合成的方法,在无水甲醇溶液中合成了1,3-丙二胺缩邻香兰素Zn-Sm异核双金属配合物。

In this paper several methods including acylamide dehydration, metal cyanide replacement, etherification and isoxazole method for synthesis of 3,3-diethoxyethylcyanide were reviewed.

综述了3,3-二乙氧基丙腈的合成方法,包括酰胺脱水、金属氰化物取代、醚化和异恶唑法,用于工业化生产较为满意的合成路线是以1,1,3,3-四乙氧基丙烷为原料的异恶唑法。

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呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

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