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關注：1
2013-05-23 12:21
求翻譯：用乙醇和水為溶劑，在水浴溫度為80攝氏度時加熱30min左右提取藥用植物中的有效成分，再抽濾得到其提取液，濃縮為10ml左右得到濃縮液。配制硫酸亞鐵與過氧化氫和水楊酸的溶液，再取5ml配制的溶液，滴加0.1ml樣品溶液，再加0.9ml蒸餾水配成6ml體系。取體系中的溶液2ml滴加到比色皿中進行比色，測定其樣品的吸光度值.是什么意思？ 待解決
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- 離問題結束還有
用乙醇和水為溶劑，在水浴溫度為80攝氏度時加熱30min左右提取藥用植物中的有效成分，再抽濾得到其提取液，濃縮為10ml左右得到濃縮液。配制硫酸亞鐵與過氧化氫和水楊酸的溶液，再取5ml配制的溶液，滴加0.1ml樣品溶液，再加0.9ml蒸餾水配成6ml體系。取體系中的溶液2ml滴加到比色皿中進行比色，測定其樣品的吸光度值.
問題補充： |
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2013-05-23 12:21:38
正在翻譯，請等待...
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2013-05-23 12:23:18
正在翻譯，請等待...
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2013-05-23 12:24:58
With the ethyl alcohol and the water are the solvents, when the water bath temperature is 80 degrees Celsius heats up about 30min to withdraw in the medicinal plant the effective component, again pulls out filters obtains it to extract, the concentration is about 10ml obtains the concentrated soluti
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2013-05-23 12:26:38
With ethanol and water as the solvent, water bath temperature of 80 degrees Celsius is heated 30min about extraction of effective constituents in medicinal plants, for which filter the extract concentrated to about 10ml are concentrated. Preparation of ferrous sulfate and hydrogen peroxide and salic
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2013-05-23 12:28:18
Use ethanol and water solvent, heat 30min withdraw the effective composition in the medical plants from side to side when being for 80 ℃ in water bath temperature, release strain withdraw liquid it and then, concentrate receive concentrated solution from side to side for 10ml. Formulate the inferior
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