查询词典 acid value

Preliminary study is conducted of the function of Glauber's salt in dyeing mercerized wool with weak acid dyes at different temperature and Ph value.

探索不同条件下元明粉在弱酸性染料上染丝光羊毛中的作用，并对其进行了初步分析研究。

Southerly chemical sodium salt reserves of the world's resources, in the chlor-alkali, on the application of a wide range of industries, sulfur prices, high cost of sulfuric acid, using Glauber's salt potassium sulfate system, such as the value of barium sulfate sulfate product is the most economical method, also developed chemical southerly "Dead Sea" floating black mud bath and leisure projects.

南风化工硫酸钠盐的资源储量居世界第一，在氯碱、日化行业中应用广泛，硫磺价格高涨，硫酸成本高，用芒硝制硫酸钾、硫酸钡等高值硫酸盐产品是最经济的方法，南风化工还开发"死海"漂浮和黑泥浴休闲度假项目。

The results showed that after heating by low intensity microwave and dividing wall type water bath, the iodine blue value and gluten content of wheat flour were changed a little, reducing sugar content was increased, and moisture content, whiteness, water soluble protein and free fatty acid content were reduced.

结果表明，低强度微波和间壁式水浴加热后，小麦粉的碘蓝值、面筋含量变化不大，还原糖含量增高，水分、白度、水溶性蛋白质和游离脂肪酸含量减少。

It is found that the concentration of sulfuric acid in liquid and the reaction temperature are the most sensitive factors for this process. Increasing the ratio of solid to liquid is disadvantageous for growth of crystals even though it does not effect obviously for the rate of dehydration of FGD gypsum. On the other hand,the more closed to the neutral range of pH value the liquid is adjusted,the better stability of the α-form calcium sulfate hemihydrate appear,the more favorable for modification of crystal habit the process is made.

研究中发现pH值和盐溶液浓度是影响FGD石膏脱水速度最敏感的因素，固液比虽然对脱水速度影响不大，但固液比增大对晶体生长和习性改良不利。pH值愈接近中性范围，愈能增强α半水石膏结晶在液相中的稳定性，有利于结晶习性改良。

The effects of current density, temperature, pH value, the concentration of chromic chloride hexahydrate and citric acid on the compositions of Fe-Ni-Cr alloy foils were investigated.

研究了电流密度、温度、pH值以及镀液中三氯化铬和柠檬酸含量对Fe-Ni-Cr合金箔成分的影响。

The method comprises:(1) weighing lead acetate hexahydrate and thioacetamide, and preparing aqueous solutions respectively, so that the concentration ratio of Pd2+ to S is 1:(1-4);(2) adding acetic acid into thioacetamide solution to adjust the pH value to 2-4;(3) adding poly surfactant into lead acetate solution, ultrasonicating to mix uniformly and obtain a colorless and transparent sol;(4) mixing the sol and thioacetamide solution;(5) placing the mixed solution in a sealed container, irradiating by 2.5 MeV and 40 mA electron accelerator with irradiation dose of 25-40 Mrad;(6) washing the product, centrifuging for separation, and drying to obtain black PdS nanoparticles.

本发明方法的工艺过程如下：首先称取一定量的六水合醋酸铅和硫代乙酰胺，各自配制成水溶液，其浓度比为使其中的铅离子浓度与硫原子浓度的比例为1∶1～1∶4；在硫代乙酰胺溶液中加入适量醋酸调节其pH值至2～4；醋酸铅溶液中加入少量表面活性剂聚乙烯醇，然后超声振荡，混合均匀，制成无色透明溶胶；随后将溶胶与上述的硫代乙酰胺溶液混合；将该混合液置于密闭容器中，并将其放置于2.5MeV、40mA的电子加速器产生的电子束辐照下进行辐照处理，其辐照剂量为25～40Mrad；然后将反应生成物清洗，并用高速离心机离心分离，然后干燥，最终得到黑色纳米硫化铅颗粒。

At an intermediate pH value, an amino acid acts as a dipolar ion, or zwitterion, which has no net charge.

在pH值适中的时候，氨基酸可作为偶极离子，或两性离子，它不带电。

The influence of various factors on the efficiency of separation on ammonia nitrogen was investigated, including the surfactant dosage, the value of pH in the external phase, the concentration of sulfuric acid in the internal phase, the ratio between the volume of oil phase and the volume of water phase and so on.

用ME表面活性剂制作的乳液萃取冶金废水中的氨氮，考察了表面活性剂用量、外相水pH值、膜内相硫酸浓度、油内比、乳水比等因素对氨氮去除率的影响。

The results show that coal tar pitch and PMB can be used to synthesize COPNA resin, the reaction mechanism of which is a positive ion-typed condensation polymerization catalyzed by acid. There exist many micro fibers with a uniform distribution in the COPNA resin. The fibers grow with increase of modification time, and then intertwist and amalgamate. Moreover, the COPNA resin possesses good thermo-stability and high coke value.

研究表明煤沥青能与PMB合成COPNA树脂，其反应机理为酸催化下的阳离子型缩聚反应；COPNA树脂的合成中出现很多微纤，随交联聚合程度的加深，微纤相互缠结并融合；COPNA树脂具有很好的耐热性和较高的炭收率。

In the development of traditional products, the company is also committed to the development of high-tech products, high-tech plant 15,000 square meters have been put into use, producing high-quality capsaicin crystal, inulin and fructose poly-ju, ursolic acid and other high-tech content, high value-added products.

在发展传统产品的同时，公司还致力于高科技产品的开发，15000平方米的高新技术厂房已投入使用，生产高品质辣椒素晶体，菊粉和菊聚果糖，熊果酸等高科技含量、高附加值产品。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。