The yield of the product under optimum conditions was up to 84.6 %.

在最佳条件下产品邻甲氧基二苯醚的收率可达到84.6%.

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Said method and process are simple and high in yield.

该方法工艺简单、易行、产品收率高、生产成本低,易于工业化应用.

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Under the optimal conditions, the total yield comes up to 56 %.

在所拟最佳条件下, 总收率可达56%.

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The secondary butylamine synthesizing process has low cost and high yield.

采用本发明的合成方法生产仲丁胺,成本低、收率高.

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Buy stocks with a return on equity of 17 % or more.

购买净资产收率率(ROE)17%以上的股票.

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The producing procession of extractum glycyrrhizae usually adopts water reflux method.

甘草浸膏的制备多采用水回流法,生产周期长,溶媒用量大,甘草酸收率低.

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The Endo - conversion 、 Exo - yield andExo - selectivity are 96.46 % 、93.12 % and 96.54 % respectively.

Endo -THDCPD 转化率为96.46%,Exo -THDCPD 收率为93.12%,选择性为96.54%.

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Thus , this reduced temperature of reaction and increased the rate of acetophenone.

降低反应温度,提高了苯乙酮的收率.

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This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxymethoxybenzaldehyde through bromination.

再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.

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In the condition , the yield of DOPO - ITA is 91 % with a nitrogen inlet.

工业氮气保护条件下DOPO-ITA的收率为91%.

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Ultimately, Daidzin is obtained with a purity and yield 40 %.

最终可以得到纯度为90%的大豆黄苷产品,收率40%.

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RESULTS Mengoferin monosodium salt was first prepared crystallized out with 92.8 % yield.

结果:首次合成芒果苷单钠盐,芒果苷单钠质量收率为92.8%.

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Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.

合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.

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Under above conditions, 95.6 % of acetic acid is converted, the yield chloroacetates is 89.6 %.

在此反应条件下, 乙酸的酯化率为95.6%, 酯收率为89.6%.

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Under the best conditions its yield could reach 89.9 %.

最佳反应条件下收率为89.9%.

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