查询词典 potassium alum
- 与 potassium alum 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.
以铁钾矾为催化剂,通过癸酸与乙醇反应合成了癸酸乙酯。
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The results showed that new-type solid ferric potassium alum was a good catalyst for the synthesis of ethyl decanoate and the optimum conditions were as follows: molar ratio of acid to alcohol was 1∶2, the use level of catalyst was 0.6 g/0.05 mol capric acid, water-taking reagent benzene was...
结果表明,新型固体酸铁钾矾是合成癸酸乙酯的良好催化剂,在酸醇物质的量比为1∶2,催化剂用量为0.6g(0.05mol癸酸),带水剂苯为15mL,反应时间为2.5h的条件下,癸酸乙酯的酯化率可达98%。
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The results showed that new-type solid ferric potassium alum was a good catalyst for the synthesis of ethyl decanoate and the optimum conditions were as follows: molar ratio of acid to alcohol was 1:2, the use level of catalyst was 0.6g/0.05 mol capric acid, water-taking reagent benzene was 15 mL, reaction time was 2.5 h and the yield of ethyl decanoate could reach 98%.
结果表明,新型固体酸铁钾矾是合成葵酸乙酯的良好催化剂,在酸醇物质的量比为1:2,催化剂用量为0.69(0.05 mol癸酸),带水剂苯为15mL,反应时间为2.5h的条件下,癸酸乙酯的酯化率可达98%。
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Cruller: Potassium alum which found in Cruller is a type of non-organic aluminum substance, may not be eaten frequently.
8油条:油条中的明矾,是含铝的无机物,不可经常食用。
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Cruller: In the cruller potassium alum, is contains the aluminum the
油条:油条中的明矾,是含铝的无机物,不可经常食用。
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"The most important alums are those of potassium sulfate potassium alum, or potash alum, K2SO4XAl2(SO43X24H2O, ammonium sulfate, and sodium sulfate."
最重要的明矾为硫酸钾,又称「钾明矾」,分子式为K2SO4?Al2(SO4)3?24H2O;硫酸铵、硫酸钠。
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Paper pulp and mixed blowing agent (sodium bicarbonate,potassium alum,starch,potas- sium D-bitartrate,and calcium carbonate) was used to produce the foaming pulp material.
以纸浆为原料,使用复合发泡剂(碳酸氢钠、钾明矾、淀粉、酒石酸氢钾、轻质碳酸钙),制作纸浆发泡缓冲材料,得到稳定的实验配方,所得发泡材料的静态缓冲系数在4~5之间。
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Aqua, Alcohol Denat(SD Alcohol 39C), Rosa Damascena Flower Oil , Rosmarinus Officinalis Leaf Oil , Potassium Alum , Citrus Aurentium Amara Flower Water , Propylene Glycol , Mentha Piperita Oil , Commiphora Myrrha Extract , Styrax Benzoin Resin Extract , Melissa Officinalis Seed Oil , Vitis Vinifera Seed Extract .
一款收敛为主的化妆水,成分比较刺激;酒精为基底,加入了大量的植物性收敛及保湿成分(薄荷、玫瑰、苦橙、迷迭香和没药),而且还有明矾这个刺激性碱剂;葡萄籽成分很少,适合混合偏油皮肤使用;如果是敏感及中干性皮肤的话并不推荐。
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Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.
以铁钾矾为催化剂,通过葵酸与乙醇反应合成了癸酸乙酯。
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FOOD ADDITIVES:BURNT POTASSIUM ALUM, POTASSIUM ALUM CRYSTAL, ALUM.
食品级添加物:烧钾明矾。结晶钾明矾。明矾。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.
今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。
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I'm running my simile to an extreme.
我比喻得过头了。