solvent ether的例句大全

The two ternary phase diagram comprising soybean oil, methanol and ether were obtained at 25 ℃, 60 ℃ and ordinary pressure in this paper. Methyl ester was treated as solvent to mixture fuel of ethanol ( methanol) and diesel.

本文在25℃和60℃（酯交换反应温度）研究了大豆油和甲醇与醚的2个三元相图，以及对大豆油甲酯作为醇与柴油混合燃料的促溶剂情况作了研究。

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Isopropyl ether is an important industrial solvent and organic feedstock.

异丙醚（IPE）是一种重要的工业溶剂和有机原料，它主要应用于医药、烟草、环保和化工等行业。

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the results show that ru complex is the most active catalyst, pph 3 and ethylene glycol dimethyl ether are the optimum ligand and solvent respectively.

结果发现Ru络合物是最佳催化剂，PPh3是最佳配体，乙二醇二甲醚为最佳溶剂。

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β-naphthol butyl ether was directly synthesized from β-naphthol and n-butyl bromide using the dimethyl sulphoxide ( dmso) as solvent under microwave irradiation.

采用微波辐射技术，以β-萘酚、氢氧化钾和正丁基溴为原料，在溶剂二甲基亚砜（DMSO）存在下直接合成β-萘丁醚。

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effect of solvent on synthesis of allyl glycidyl ether under phase-transfer catalysis

溶剂对相转移催化合成烯丙基缩水甘油醚的影响

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Methods The Bulbus Fritillariae medicinal materials were dipped in 18% ammonia solution, then the alkaloids were extracted by ultrasonic using the mixed solvent of ether-chloroform-ethanol ( 25 ∶ 8 ∶ 2.5).

方法用18%氨水润湿贝母药材，乙醚-氯仿-乙醇（25∶8∶2.5）混合溶剂超声提取其中贝母生物碱，将提取物直接进样到电喷雾离子阱质谱检测器进行正离子全扫描分析。

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Xanthoxylin was extracted from Zanthoxylum Bungeanum Maxim of Sichuan Hanyuan using absolute ethyl alcohol, ether, acetone and water as solvent.

采用无水乙醇、乙醚、丙酮及水作溶剂，对四川汉源花椒作了精油提取研究。

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This text adopt at first petroleum ether go on and draw and study sour esterses to the fruit pigment of madder under the same terms second acetone ethanol, Select the best solvent.

采用以水、乙醇、丙酮、乙酸乙酯、石油醚作为溶剂在相同的条件下对茜草果实色素进行提取研究，选最佳溶剂。

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The transesterification of CPBA and vinyl acetate were systematically studied Solvent test revealed that diisopropyl ether is the ideal solvent for this reaction system, and vinyl acetate is the second one to the best.

对CPBA与乙酸乙烯酯的转酯化反应进行了较为系统的研究。发现异丙醚是本反应体系的理想溶剂，乙酸乙烯酯其次。

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Ethyl acetate were more suitable than ether as a solvent in the reprocess of the transesterification reaction.

在较佳反应条件下产率达到91.2%。在酯交换反应后处理过程中选用乙酸乙酯代替乙醚做溶剂，提高了合成过程的可操作性。

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Method: To get the extracts of Spora Lygodii using methanol, chloroform and petroleum ether as solvent and the extracts were identified 、 analyzed by X-ray diffraction Fourier fingerprint spectra.

方法：以甲醇、氯仿、石油醚为提取溶剂，提取中药材海金沙，采用粉末X射线衍射Fourier谱鉴定法对提取物进行分析鉴定。

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Bis ( diphenyl methyl) ether was synthesized under microwave irradiation by dry reaction at ambient pressure. The rate of reaction was dramatically accelerated and high yield was obtained, comparing with that of methods using organic solvent as medium or using dry reaction by conventional heating.

在常压下用微波辐射固相反应的方法合成了二苯基甲基醚，与用有机溶剂为介质及传统的热固相反应方法相比，其反应速率快，产率高。

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synthesis of alkyl phenol polyoxyethylene ether carboxylate with acetone as solvent

以丙酮作溶剂合成烷基酚聚氧乙烯醚羧酸盐

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experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.

实验发现，异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。

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Compared the spectrogram , that the petroleum ether used as solvent is better than anther.

通过气相色谱分析的谱图比较, 发现石油醚的提取效果较好.

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Purification of diphenyl ether by crystallization without solvent is discussed.

用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点.

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The dispersant are alcohol, ether, alcohol-benzene component solvent or non-proton polar solvent.

分散剂为醇 、 醚 、 醇 - 苯混合溶剂或 非 质子极性溶剂.

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Ether is the best solvent in the three organic solvent.

几种有机溶剂中,又以乙醚的提取性能最好.

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One new solvent free impregnating resin based on unsaturated polyester with modified diphenylene ether is prepared.

以改性二苯醚树脂为原料,合成了一种新颖不饱和聚酯型无溶剂浸渍绝缘漆.

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Either methanol or other suitable solvent, as ethylene glycol monomethyl ether, may be as the diluent.

可能是甲醇或者其他合适的溶剂, 例如二乙醇甲醚, 可以用做稀释剂.

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