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yangsanfly銀蟲 (小有名氣)
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[求助]
論文摘要翻譯為英文急。。!最好不要翻譯器!!
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| 以鹽酸青藤堿和亞硝酸鈉為原料,通過硝化反應(yīng)制得1-硝基青藤堿,考察了原料用量、反應(yīng)溫度和反應(yīng)時(shí)間對(duì)產(chǎn)物收率的影響。實(shí)驗(yàn)結(jié)果表明:青藤堿用量為0.5g時(shí),亞硝酸鈉的用量為0.2000g,溫度為12℃左右,反應(yīng)時(shí)間1.5h條件下,產(chǎn)物的總收率為38.64%以上。(其中鹽酸青藤堿:hydrochloric sinomenine ) |
鐵桿木蟲 (正式寫手)
有為青年
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With hydrochloric sinomenine and sodium nitrite as substrates, 1-nitrosinomenine is obtained through nitrification. Influence of substrate amount, reaction temperature and reaction time on product yield was investigated. Experimental results indicate that, under the following conditions, i.e., sinomenine 0.5g , sodium nitrite 0.2000g, temperature approximately 12℃,reaction time 1.5h ,the total yield rate of product is above 38.64% |

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