查询词典 hexanoic acid

The optimal DA-6 concentration is from 10 to 15 mg·kg~(-1). hexanoic acid 2-ethyl ester ; synthesis ; application

为了促进DA 6的推广应用，作者对它的合成进行了研究，找到了一条合理的、科学的DA 6的生产工艺路线，并进行了田间药效试验，取得了良好的效果。1 材料和

Potassium dihydrogen phosphate was used as catalyst in the synthesis of hexanoic acid 2-ethyl ester.

用磷酸二氢钾作催化剂，己酸与二乙氨基乙醇为原料，合成DA-6。

Several problems in determinating hexanoic acid by colorimetry was analyzed,factors which influence col-or reaction were studied,the resonable colorimetric method was introduced.

分析了比色法定量测定己酸含量时容易碰到的几个问题，对显色的各个影响因素进行了研究，提出了合理的比色方法。

The adsorption experiments show that the adsorption of pure heavy metal and hexanoic acid by clay increases with an increase of pH and that of humic acid by clay decreases with pH increase.

结果表明：粘土对纯重金属的吸附随着溶液 p H值升高而增强；对己酸的吸附随着溶液 p H值升高而增强，对腐殖酸的吸附随着溶液 p H值升高而减弱。

We found that hexanoic acid and octanoic acid are insufficiently soluble (with solubilities of 9.68 and 0.68 mg ml21, respectively, in water) to produce any growth modification in L-asparagine monohydrate crystallization.

我们发现，己酸和辛酸在水中不能充分溶解（溶解度分别为9.68和0.68mg/ml，水溶液中），这一特性使它们对L -天冬酰胺单水合物结晶的生长起修饰作用。

Three different strains of Monascus sp including A13, As3.554 and As3.972 were used to investigate the effects of their culture conditions (initial moisture content of steamed rice, culture time, and addition level of glucose and sucrose used as rapidly-efficient carbon source) on the esterifying capacity of fatty acid ester (converted by ethanol and hexanoic acid).

以A13、As3.554和As3.972为研究对象，比较了其培养参数米坯的初始水分、培养时间及以葡萄糖和蔗糖为速效碳源及添加量对底物己酸和乙醇转化为脂肪酸酯的酯化力的影响规律。

The infrared spectrogram of loaded organic phase illustrated that ethanol and butanol are Lewis bases when they act with hexanoic acid, octanoic acid, etc, and are Lewis acids when they act with TBP, etc.

利用红外光谱对萃取机理进行了探讨，证实了醇与己酸、辛酸等作用时表现出Lewis碱性，而与磷酸三丁酯等作用时表现为Lewis酸性。

The results showed that the mixed-addenda heteropolyacids H6PM o9V3O40,H10PMo5V7O40and H11PMo4V8O40 c an improve the conversion of 2-octanol,selectivity for hexanoic acid and the r ate of production.When the amounts of heteropoly acid are 14%,10%and 14% of the weight of 2-octanol,co...

结果表明：H6PMo9V3O40、H10PMo5V7O40、H11PMo4V8O40等多元杂多酸均可提高仲辛醇的转化率、己酸产率和己酸选择性，并确定了这3种催化剂的最佳用量：当它们分别为仲辛醇质量的1 4%、1 0%、1 4%时，仲辛醇转化率可达98 3%、97 6%、100%；己酸的选择性可达85 7%、85 8%、78 8%；其性能明显优于钒催化剂。

There were 18 common components which are 2-pentylfuran,hexanoic acid,n-octanal,heptanol,nonenal,n-nonylalcohol,octanoic acid,methyl stearate,et al.

二者相同组分18个，分别是：2-正戊基呋喃、己酸、正辛醛、壬醛、正壬醇、正辛酸、硬脂酸甲酯等。

The conversion and selectivity of oxidation of 2-octano l to hexanoic acid by nitric acid using the mixed-addenda heteropolyacid H15- xPMoxV12-xO40·nH2O(n=20-40)as the catalys t were studied.

采用磷、钼、钒系列多元杂多酸作为硝酸氧化仲辛醇制己酸的催化剂，对其催化性能和选择性进行了实验研究。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。