查询词典 optimum conditions

The optimum conditions for determination of anthocyanin of black rice were studied by using 5 kinds of black rice.

随着黑色食品的日渐兴起它的营养和药用有效成分研究已引起了许多学者的关注。

By analyzing principle, the investigating project was primarily determined. Then experiments of leaching with hot water, precipitation arsenic by lime milk, solution arsenic by sulfuric acid, reduction, cooling and crystalling white arsenic have been carried out and the optimum conditions of every step have been obtained.

在分析基本原理的基础上，初步确定了研究方案，按照方案分别进行了热水浸出、石灰乳沉砷、硫酸溶砷、还原、冷却结晶白砷等试验，得到了各个工序的最佳工艺条件。

The optimum conditions of bagasse neutral sodium sulfite pulping had been studied.

本文研究了甘蔗渣中性亚硫酸钠制浆的最佳工艺条件。

Under the optimum conditions, the yield of bitter almond oil was 52.98%.

在此条件下苦杏仁的出油率为52.98%。

Under the optimum conditions, the yield of bitter almond oil was 7.25‰.

在此条件下精油得率为7.25‰。

The strain CW2M3 should be cultured in the medium of 0.7% brewis, 0.7% peptone, 0.5% NaCl, pH7.0 at 40℃ for 12h, whereas the most important parameter to utilize the neoamylase is catalytic duration and the optimum conditions to utilize the neoamylase are in pH7.0 starch system, at 65℃ for 1.0 h.

用该酶催化淀粉转化为异麦芽低聚糖时，酶促反应时间和温度均是显著影响因素，酶催化淀粉降解的最适条件为：温度65℃，酶促反应1.0h，体系pH为7.0。

A new method for the determination of trace bromate is proposed in this paper. The optimum conditions for the oxidation of rhodamine B by bromate in hydrochloric acid medium are studied.

研究了罗丹明B与BrO3的褪色反应，确定了最佳反应条件，建立了一种光度法测量微量溴酸根离子的新方法。

The optimum conditions were determined as follows:the molar ratio of butyraldehyde to glycol was 1∶1.6,the mass ratio of catalyst to reactants was 0.4%,the volume of cyclohexane as the water-carrying agent was 10 mL,and the reaction time was 60 min.

结果表明，磷钨钼杂多酸对合成丁醛乙二醇缩醛有较好的催化活性，适宜的反应条件如下：n∶n=1∶1.6、催化剂用量为反应物料总质量的0.4%、带水剂环己烷用量为10 mL、反应时间为60 min。

Under the optimum conditions, the analytes could be separated within 17 min in a 75 cm length capillary at a separation voltage of 18 kV in a 10 mmol/L borate buffer (pH 8.2). A 300 μm diameter carbon disk electrode generated a good response at+ 0.95 V vs. saturated calomel electrode (SCE for all analytes. The relationship between peak currents and analyte concentrations was linear over about three orders of magnitude with detection limits (S/N=3) ranging from 78 μg/L to 110 μg/L for all analytes.

在优化的实验条件下，以直径300μm的碳圆盘电极为工作电极，检测电位为＋0.95V，在10mmol/L硼酸盐(pH8.2)的运行缓冲溶液中，上述6种活性成分能在17min内实现很好的基线分离，被测物浓度与峰电流在3个数量级范围呈良好的线性关系，检出限(S/N=3)范围为78~110μg/L。

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%。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。