- 更多网络例句与无水碳酸钠相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, acetylsalicylic acid has been synthesized by microwave radiation, taking anhydrous sodium carbonate as catalyst.
本论文采用微波方法合成阿司匹林,用无水碳酸钠作催化剂,研究了微波在有机合成中的应用及其加热原理。
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The influence of synthesis parameters on the purity of sodium cyanate was investigated,such as the mole ratio of urea to anhydrous sodium carbonate,reaction time and reaction temperature.
研究了尿素/无水碳酸钠物质的量比、反应时间和反应温度等反应条件对氰酸钠产品纯度的影响。
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The main products are: calcium sulfate / calcium nitrate / calcium carbonate / copper sulfate / chloride, copper / zinc sulfate / nitric acid zinc / zinc chloride / potassium sulfate / potassium chloride / potassium bromide / potassium aluminum sulfate / potassium dihydrogen phosphate / 2 of potassium hydrogen phosphate / sodium bromide / sodium chloride / sodium nitrate / sodium fluoride / trisodium phosphate / sodium dihydrogen phosphate / disodium hydrogen phosphate / crystallization of sodium carbonate / anhydrous sodium carbonate / aluminum sulfate / nitrate aluminum / crystallization of aluminum chloride / aluminum hydroxide / nitrate Fe / hydrobromide / oxalic acid / boric acid / citric acid / barium chloride / Azone / magnesium sulfate / magnesium nitrate / magnesium chloride / ammonium chloride / ammonium sulfate / Bifluoride ammonium / ammonium aluminum sulfate / ferrous ammonium sulfate / ammonium dihydrogen phosphate / diammonium hydrogen phosphate / bromide / tetrabutylammonium bromide / chloride, nickel / nickel nitrate / sulfate nickel / cadmium chloride / cadmium sulfate / nitrate Cadmium / Cadmium Carbonate / Strontium / strontium nitrate / sulfuric acid manganese / manganese chloride / 50% manganese nitrate solution / stannous chloride / zinc chloride, such as crystallization of the four largest packing of chemical reagents AR and CP level.
主要产品有:硫酸钙/硝酸钙/碳酸钙/硫酸铜/氯化铜/硫酸锌/硝酸锌/氯化锌/硫酸钾/氯化钾/溴化钾/硫酸铝钾/磷酸二氢钾/磷酸氢二钾/溴化钠/氯化钠/硝酸钠/氟化钠/磷酸三钠/磷酸二氢钠/磷酸氢二钠/结晶碳酸钠/无水碳酸钠/硫酸铝/硝酸铝/结晶三氯化铝/氢氧化铝/硝酸铁/氢溴酸/草酸/硼酸/柠檬酸/氯化钡/氮酮/硫酸镁/硝酸镁/氯化镁/氯化铵/硫酸铵/氟化氢铵/硫酸铝铵/硫酸亚铁铵/磷酸二氢铵/磷酸氢二铵/溴化铵/四丁基溴化铵/氯化镍/硝酸镍/硫酸镍/氯化镉/硫酸镉/硝酸镉/碳酸镉/碳酸锶/硝酸锶/硫酸锰/氯化锰/50%硝酸锰溶液/氯化亚锡/结晶四氯化锌等大包装化学试剂的AR和CP级别。
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Neutral fat or paraffin— Add 1 g of Stearic Acid to 30 mL of anhydrous sodium carbonate solution (1 in 60) in a flask, and boil the mixture: the resulting solution, while hot, shows not more than a faint opalescence.
中性脂肪或蜡:取硬脂酸1g,加入已装有30mL无水碳酸钠溶液(1:60)的烧瓶中,加热煮沸,产生的溶液在加热时不显示浑浊。
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The experimental process on synthesis of roxithromycin was studied by using erythromycin oxime and MEMC as raw material under the catalytic action of anhydrous sodium carbonate.
研究了以无水碳酸钠为催化剂,红霉素肟与甲氧基乙氧基氯甲醚为原料,一步合成罗红霉素的实验过程。
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II: ① take a thin wire, one end with sand paper wipe, and then lightson alcohol to non-yellow flame ignition,② wire with the end of the water dip, and then dip a number of sodium chloride or anhydrous sodium carbonate powder,③ ignited a new spirit lamp (lamp wick is clean, pure ethanol),④ the stained sodium salt powder on the wire on the ignitiontip, when there is a sharpsmall yellow flame, which is sodium flame.
方法二:①取一条细铁丝,一端用砂纸擦净,再在酒精灯外焰上灼烧至无黄色火焰,②用该端铁丝沾一下水,再沾一些氯化钠或无水碳酸钠粉末,③点燃一盏新的酒精灯,④把沾有钠盐粉末的铁丝放在外焰尖上灼烧,这时外焰尖上有一个小的黄色火焰,那就是钠焰。
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Reaction of 9-bromofluorenewith diethyl malonate and sodium carbonate gives diethyl 2-(9-Fluorenyl)malonate.Aminolysis of diethyl 2-(9-Fluorenyl)malonate in ethylenediamine and propylene diamine give〓 and 〓, respectively.〓 and 〓 were synthesized by the reaction of 9-bromofluorene with oxalyl bisethylenediamine. Copper and nickel complexes of 〓 and 〓 were obtained by the reaction of 〓 and 〓 with copper and nickel salt, respectively, in aqueoussolution and extrusion of two hydrogen ions from the amide groups.
使9-溴芴与丙二酸二乙酯在无水碳酸钠存在下反应合成出2-(9-芴基)丙二酸二乙酯。2-(9-芴基)丙二酸二乙酯在乙二胺中胺解得到配体〓,2-(9-芴基)丙二酸二乙酯在1,2-丙二胺中胺解得到配体〓,使9-溴芴与草酰二乙二胺作用得到配体〓和〓与相应的金属盐作用分别得到它们的铜、镍配合物。
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The sample was liquated with a mixed flux of unhydrous sodium carbonat and bonic acid,soaked out with hydrochloric acid(1+5),and then the sample solution was measured by inductively coupled plasma atomic emission in system of nebulizer and torch resistant to hydrofluoric acid.
试料经无水碳酸钠和硼酸的混合熔剂熔融,HCl(1+5)浸取,在电感耦合等离子体原子发射光谱仪上,用耐HF腐蚀的雾化器和矩管系统测量。
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Aspirin is synthesized through O-acylating reaction from salicylic acid and anhydride acetic acid with anhydrous sodium carbonate as catalyst.
以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O-酰化反应合成了阿司匹林。
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METHODS:Ceftizoxime acid was prepared with 7-Amino-3-norcephem-4-carboxylic acid(7-ANCA)and AE-ester ceftizoxime acid as raw material;then ceftizoxime sodium was obtained through the reaction between ceftizoxime acid and sodium carbonate.
以粗品7-氨基-3-烷基头孢烷酸和AE活性酯为原料合成头孢唑肟酸,再与无水碳酸钠反应制得头孢唑肟钠;同时研究反应时间、乙醇用量和滴加时间、无水碳酸钠的用量以及pH值对产品质量的影响。
- 更多网络解释与无水碳酸钠相关的网络解释 [注:此内容来源于网络,仅供参考]
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Anhydrous hypo:无水海波
Anhydrous 无水的 | Anhydrous hypo 无水海波 | Anhydrous sodium carbonate 无水碳酸钠
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natrium brine:钠盐水
natrium boricum 四硼酸钠 | natrium brine 钠盐水 | natrium carbonicum calcinatum 无水碳酸钠
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photographic grade potassium bromide kbr m:摄影用溴化钾
m3850 摄影用无水碳酸钠 photographic grade sodium carbonate, ... | m3851 摄影用溴化钾 photographic grade potassium bromide kbr m:119.0 | m3852 摄影用硫代亚磺酸铵溶剂 photographic grade ammonium thiosulf...
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Sodium borate,decahydrate:硼酸钠 十水
Sodium bicarbonate 碳酸氢钠 | Sodium borate,decahydrate 硼酸钠 十水 | Sodium carbonate,anhydrous 无水碳酸钠
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anhydrous sodium carbonate:无水碳酸钠
无水砷酸氢二钠 Anhydrous sodium arsenate | 无水碳酸钠 Anhydrous sodium carbonate | 无水硫酸钠 Anhydrous sodium sulphate
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anhydrous sodium sulphate:无水硫酸钠
无水碳酸钠 Anhydrous sodium carbonate | 无水硫酸钠 Anhydrous sodium sulphate | 无水亚硫酸钠 Anhydrous sodium sulphite
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Anhydrous sodium arsenate:无水砷酸氢二钠
无水醋酸钠 Anhydrous sodium acetate | 无水砷酸氢二钠 Anhydrous sodium arsenate | 无水碳酸钠 Anhydrous sodium carbonate