查询词典 acid value

The content of millet's crude fat and millet oil's related index were studied,such as saponification value,unsaponible matter content,colour,composition of fatty acid and the sterol s.

同时还测定了6种主要的脂肪酸含量，其中不饱和脂肪酸为82.02%~90.39%，分离鉴定了不皂化物中的6种甾醇。

Some version of the"cap and trade"market-based system that has already shown its value in reducing acid-rain pollution is virtually certain to pass this Congress.

一些已经在降低酸雨的污染方面表现的卓有成效的以市场为基础的排放权交易系统是一定可以通过这次的国会审议的。

Major Products: acetic acid, vinyl acetate monomer and value-added derivatives

主要产品：醋酸，醋酸乙烯单体，增值衍生品

Major Products: acetic acid, vinyl acetate monomer and value-added derivatives

重要产品：醋酸，醋酸乙烯单体，增值衍生品

The R f value of the glucosamine sulfate was 0.36 measured by paper chromatography with the solvent system of pyridine, ethyl acetate, water and glacial acetic acid (5∶5∶3∶1 in volume).

经纸层析鉴定，以吡啶、乙酸乙酯、水和冰醋酸按体积比 5∶5∶3∶1组成的溶剂系统进行展层，氨基葡萄糖硫酸盐的Rf 值为 0 。36。

The Rf value of the glucosamine sulfate was 0.36 measured by paper chromatography with the solvent system of pyridine, ethyl acetate, water and glacial acetic acid (5:5:3:1 in volume).

经纸层析鉴定，以吡啶、乙酸乙酯、水和冰醋酸按体积比5：5：3：l组成的溶剂系统进行展层，氨基葡萄糖硫酸盐的Rf值为0.36。

This research utilized the method of organic synthesis, researching different amounts and positions of hydroxy-substituted benzoic acid and serotonin into amide reaction, so as to produce a series of polyhydroxy substituted N-benzoylserotonin derivatives (compound 1-10). Accordingly, this study conducts the following four tests. I. The activity of antioxidant and the experiment of ability to scavenge DPPH free radical, II. The ability of overall antioxidant—the activity of TEAC, III. The activity test of inhibit Tyrosinase, and IV. The study of absorbing UV / VIS Spectrophotometers. This study use trolox, arbutin, and octyl salicylate as the control groups, and to test the ability of anti-oxidation, the activity of inhibit Tyrosinase, and the ability of absorbing UV. This research ultimately intends to investigate the applied value of those compounds into cosmetics.

本研究主要利用有机合成的方法，将不同数量及不同位置的羟基取代苯甲酸化合物与色洛冬宁进行醯胺化反应后，得到一系列的多羟基取代之N-色洛冬宁苯甲醯胺衍生物（化合物1 ~ 10），进行四种不同活性测试方法：一、清除DPPH自由基能力抗氧化活性测试；二、总抗氧化能力活性测试；三、抑制酪胺酸酶活性美白测试；四、紫外线／可见光光谱仪吸收测试，并以水溶性维生素E、熊果素、水杨酸辛酯当作对照组，探讨其抗氧化能力、抑制酪胺酸酶的活性能力与吸收紫外线能力，再进一步探讨其应用於化妆品上的价值。

It can be concluded that soil pH value is the main factor that affects not only chromic acid apparent adsorption in soils, but also the kinetic characteristics of those soils.

可见，土壤pH值不仅影响土壤对Cr的表观吸附量，并且对Cr表观吸附动力学特征产生了较大影响。

It was suggested that the raw waste liquid A was conditioned with hydrogen chloride to pH 4, then dosage of ferric chloride as 1200 mg/L for the rapid mixing 1 minute and slow mixing for 30 minutes, then after further settled in the clarifier for at least 1 ~ 2 hours, the effluent was treated by the oxidation with chloric acid for no more than 10 minuts in the dosage of 50 g/L or the correspond ORP value of 334 mV.

处理废液A在实厂操作流程中建议最先以降低pH值至4，在利用1，200mg/L氯化铁做为混凝剂，经由1分钟快混(100rpm)及30分钟慢混(10rpm)后，藉由混凝沉淀去除废液中之胶体，再使用50g/L氯酸钠作为氧化剂，反应时间为5分钟，氧化残余之COD，再利用ORP值为是否达334mV，藉以判断COD是否达终点。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。