氢氧化钠
- 与 氢氧化钠 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Write sodium hydroxide, calcium hydroxide ionization equation ...
写出氢氧化钠、氢氧化钙的电离方程式。。。。
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Ammonium gas, ammonia, ammonium salt, ammonium hydrogen carbonate, ammonium sulfate, ammonium chloride, calcium hydrogen oxide, calx, sodium hydroxide and so on.
本节课学生会听说读写的名词有:氨气、氨水、铵盐、碳酸氢铵、硫酸铵、氯化铵、氢氧化钙、生石灰、氢氧化钠等。
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Water,c12-20 acid peg-8 ester,octyldodecanol,propylene glycol,coco-caprylate/caprate,cetearyl isononanoate,prunus amygdalus dulcisoil,biosaccharide gum-1,phenoxyethanol,ethylhexyl methoxycinnamate,potassium cetyl phosphate,simmondsia chinensisseed oil,carbomer,glyceryl polymethacrylate,malva sylvestrisextract,glyceryl stearate,cetearyl alcohol,cetyl palmitate,cocoglycerides,c12-13 alkyl lactate,methylparaben,sorbic acid,disodium edta,sodium hydroxide,tocopheryl acetate,benzophenone-3,iris germanica root extract,retinyl palmitate,butylparaben,peg-8,propylparaben,ethylparaben,sodium hyaluronate,chlorhexidine digluconate,tocopherol,ascorbyl palmitate,citric acid,ascorbic acid
水, c12-20 acid peg-8 ester,辛基十二烷醇,丙二醇,coco-caprylate/caprate,鲸蜡硬脂醇异壬酸酯,甜杏仁油,多醣物质,苯氧乙醇,4-甲氧基肉桂酸-2-乙基己基酯,十六烷基磷酸钾,西蒙得木籽油,卡波姆,甘油聚甲基丙烯酸酯,锦葵萃取,甘油硬脂酸,棕榈醇,十六烷基棕榈酸酯,椰油脂酸甘油酯类,c12-13烷醇乳酸酯,对羟基苯甲酸甲酯,山梨酸,乙二胺四乙酸二钠,氢氧化钠,维生素E醋酸酯,二苯甲酮-3,鸢尾花萃取,维他命A酯,对羟基苯甲酸丁酯,聚乙二醇-8,羟苯丙酯,羟苯乙酯,透明质酸钠,洗必泰葡萄糖酸盐,维生素E ,维生素C棕榈酸酯,柠檬酸,抗坏血酸
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Viscose Manufacturing process involves the reaction of cellulose with sodium hydroxide to form and alkali cellulose xanthate.
粘胶的生产过程包括纤维素与氢氧化钠反应形成碱纤维素的过程。碱纤维素再经二硫化碳处理制成纤维素黄酸酯。
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Water,glycerin,rosa centifolia flower water,butylene glycol,centaurea cyanus flower water,peg-40 hydrogenated castor oil,propylene glycol,ppg-26-buteth-26,phenoxyethanol,methylparaben,sorbic acid,benzophenone-4,pentadecalactone,citrus aurantium dulcisoil,panthenol,menthyl lactate,sodium hydroxide,glycyrrhiza glabraroot extract,aesculus hippocastanumseed extract,citrus aurantium amaraoil,allantoin,limonnene,linalool,blue 1(ci 42090),yellow 5ci 19140
水,甘油,千叶蔷薇花水,丁烯二醇,矢车菊花水,PEG-40氢化蓖麻油,丙二醇,PPG-26-丁醇聚醚-26,苯氧乙醇,对羟基苯甲酸甲酯,山梨酸,二苯甲酮-4,环十五内酯,甜橙油,泛醇,乳酸孟酯,氢氧化钠,甘草根萃取,七叶树籽萃取,苦橙油,尿囊素,柠檬精油,芳樟醇,蓝,黄水:几乎所有护肤品成分第一位都是水。
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The synthesis method comprises the following steps: adding 2-( 5-(dimethylamino methyl- 2- furyl methyl sulpho ethylamine and 1- methylthio- 1- methylamino- 2- nitro ethylene with a molar ratio of 1.04: 1 into water, heating to 48- 52 Deg. C, reacting 4.5 hours with a vacuum degree of 0.02- 0.05 MPa, cooling, adding sodium-hydroxide of concentration of 10% to regulate the PH value to 11.0- 11.4, filtrating and cooling the filtrate to 0- 2 Deg. C, crystallizing for 12 hours, centrifugally filtrating, and rinsing filter cake with purity water to prepare wet ranitidine alkali; dissolving ranitidine alkali in alcohol and reacting with chlorhydric acid to prepare ranitidine hydrochloride.
合成方法包括:将摩尔比为1.04∶1的2-(5-(二甲氨基甲基-2-呋喃基甲基硫代乙胺与1-甲硫基-1-甲胺基-2-硝基乙烯加入水中,升温至48-52℃,于真空度0.02~0.05MPa反应4.5小时,反应完毕降温,用10%氢氧化钠溶液调pH=11.0-11.4,抽滤,滤液降温至0~2℃,结晶12小时,离心甩滤,用纯化水漂洗滤饼,得雷尼替丁碱湿品;将雷尼替丁碱溶于乙醇中与盐酸反应,制备得到盐酸雷尼替丁,产品符合欧洲药典标准。
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E Write a chemical equation for the reaction when chlorine is added to sodium hydroxide solution obtained in.
e 写出把氯气加入在取得的氢氧化钠溶液时发生的反应的化学方程式。
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P chlorophenoxyacetic sodium was synthesized by p chlorophenol with 2 chloroacetic acid in the 20% hydroxide sodium aqueous solution.
采用一步法由氯乙酸与对氯苯酚在氢氧化钠质量分数为 0 2的水溶液中的反应制得。
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When the molar ratio of 2 chloroacetic acid∶ p chlorophenol is 1.25 and pH=5~7 at 104 ℃ reaction for 20 min in the 20% NaOH solation,the yield of PCPA can be reached 90%.
氯乙酸∶对氯苯酚为 1 2 5 ,质量分数为 0 2的氢氧化钠溶液中,pH值在 5~ 7之间,温度在 10 4℃左右为宜,反应时间为 2 0min ,PCPA收率为 90 3%。
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Water,Hydrogenated Polyisobutene,Cyclohexasiloxane,Glycerin,Alcohol Denat,Cetearyl Alcohol,PEG-20,Petrolatum,C13-14 Isoparaffin,Zea Mays Oil,Tocopheryl Acetate,Hydroxypropyl Tetrahydropyrantriol,Hydrolyzed Soy Protein,CI 14700/Red 4,Phenoxyethanol,Adenosine,PEG-100 Stearate,Ethylparaben,Triethanolamine,Polyacrylamide,Malus Domestica Stem Cell Culture,CI 19140/Yellow 5,Dimethyl Isosorbide,Dimethicone,Dimethiconol,Limonene,Xanthan Gum,Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate,Linalool,2-Oleamido-1,3-Octadecanediol,Capryloyl Salicylic Acid,Acrylates/C10-30 Alkyl Acrylate Crosspolymer,Passiflora Edulis Seed Oil,Disodium EDTA,Castanea Sativa Seed Extract,Butyrospermum Parkii· Cetyl Alcohol,Butylene Glycol,Octyldodecanol,Cetearyl Glucoside,Methylparaben,Citronellol,Prunus Armeniaca Kernel Oil,Laureth-7,Coumarin,Oryza Sativa Bran Oil,Glyceryl Stearate,Fragrance
水,甘油,氢化聚异丁烯,液体石蜡/矿油,丁二醇,环己硅氧烷,鲸蜡醇,甘油硬脂酸酯,棕榈油,玉米胚芽油,PEG-100硬脂酸酯,白蜂蜡/蜂蜡,肉豆蔻醇肉豆蔻酸酯,石蜡,香精,腺苷,苧烯,山梨醇,CI 14700,CI 19140,稻糠油,杏仁油,EDTA二钠,羟丙基四氢吡喃三醇,苯氧乙醇,聚乙二醇-14M,异十六烷,氢氧化钠,辛基十二醇,季戊四醇四(双-t-丁基羟基氢化肉桂酸)酯,山梨坦三硬脂酸酯,水解大豆蛋白,卡波姆,鸡蛋果籽油,苹果果实提取物,欧洲栗籽提取物,异山梨醇酐二甲醚,聚山梨醇酯-80,辛酰水杨酸,2-油酰胺基-1,3-十八烷二醇,氯苯甘醚,麦芽糖醇,香豆素,黄原胶,微晶蜡,丙烯酰胺/丙烯酰基二甲基牛磺酸钠共聚物,丙二醇,芳樟醇,香茅醇,玉米油,羟苯丙酯,羟苯甲酯
- 推荐网络例句
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I can not make it blossom and suits me
我不能让树为我开花
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When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.
当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。
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The lawyer's case blew up because he had no proof.
律师的辩护失败,因为他没有证据。