查询词典 optimum condition

An optimum condition for analysis of p-fluorobenzaldehyde sample using electrosynthesis was investigated by method of hydroxyamine hydrochloride .

制定了盐酸羟胺法测定电合成芳醛的条件，并用该方法测定了电合成对氟苯甲醛样品，方法的回收率为99.97%～100.4%，相对标准偏差为0.084%～0.42%，测定结果和气相色谱分析结果基本一致。

Moreover, the crossed experiment has been performed to determine the optimum condition: the molar ratio of glyoxylic acid to o-ethoxyphenol to sodium hydroxide 1.0:1.2:2.5, sodium hydroxide concentration 2mol/L, temperature 50℃, time 5h.

通过正交实验确定了合成的最佳条件：n：n：n=1.0：1.2：2.5，氢氧化钠浓度2mol/L，温度50℃，时间5h。

20% Hydrobromic acid was selected as the optimum condition for O-demethyltion. A total yield raised 59.90% was obtained.

采用20%的氢溴酸作为去氧甲基化试剂的新工艺，收率高、成本低、操作简便，适合规模生产。

The results showed that molar ratio of cyclohexanone to ethylene glycol was 1∶1.4, the amount of catalyst was 2% cyclohexanone, amount of cyclohexane was 10 mL, the reaction time 2 h, the yield of cyclohexanone ethylene ketal reached 99.6% under the optimum condition.

通过正交实验得出了最佳反应条件：n∶n=1∶1.4、催化剂用量为环己酮质量的2%、带水剂环己烷用量10.0 mL、反应时间2 h，缩酮产率可达99.6%。

Chitosan alginate loaden enzyme have prominent effect for activity of immobilized enzyme by orthogonal experimental design, and getting optimum condition .

经正交实验L_8(2~7)，壳聚糖、海藻酸钠、载酶量对固定化酶活力影响比较显著，确定最佳固定化酶条件。

ResultsThe optimum condition was extracting pueraria lobata three times for three hours with 35 ml 80%ethanol as solvent at 100℃.

结果溶剂为80%乙醇；温度100℃；溶剂体积35 ml；提取时间及次数为3。

So, physiological hypoxia is actually optimum condition for myogenesis. There have been few studies on effects of hypoxia on proliferation and differentiation of myoblasts up to now.

而生理性的低氧条件才是成肌发生过程中的最适条件，目前关于低氧对成肌细胞增殖和分化的影响的研究报道甚少。

Results The optimum condition was μ-Bondapak C18 column with acetonitrile-water-0.05% phosphonic acid gradient elution system, 1.0ml min^(-1) flow rate, 267 nm. detection wavelength and 23~26℃ temperature. The analysis ended within 45 min.

结果 在色谱柱为μ-Bondapak C183.9mm×300mm，10μm；流动相A相为乙腈，B相为0.05%的磷酸水溶液；流速为1.0ml/min；检测波长是267nm及温度为23~26℃的条件下；经45min梯度洗脱，成功的分离分析了桂枝汤中的4个成分。

It is shown that, in the optimum condition range, the surface of Si 3N 4 coated uniformly by Al 3 and zeta pote...

结果表明：在最佳包覆工艺范围内，Si3N4 粉末表面均匀包覆一层Al3 ，并包覆后Si3N4 浆料的zeta 电位发生明显变化，粒度分布更加均匀，流变性能得到明显改善。

Spectrophotography was adopted to determine the COD Cr in water and the optimum condition was chosen by orthogonal test.

用分光光度法测定水中化学需氧量CODCr，通过正交试验选择氧化的最佳选择。

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。