查询词典 vitriol

In this whole, SPES and free vitriol in mixtures were simultanuously analysed by conductometric nonaqueous titration, by using the distinguishing effect of nonaqueous solvent and its predominate solubilization property for the mixtures.

为此本文提出利用非水溶剂的区分效应和对SPES的良好溶解性能，通过电导滴定分析SPES和自由硫酸的混合产物。

Cyclohexyl acetate was synthesized by oil of vitriol,ferric chloride and copper sulfate,respectively,and the influence of copper sulfate containing water and no-water for the reaction was discussed.

摘 要：分别以浓硫酸、氯化铁、硫酸铜为催化剂催化合成醋酸环己酯，考察了有无结晶水的硫酸铜对酯化反应的影响。

The synthesis methods of ethyl lactate catalyzed by P-toluene sulfonic acid, cationic exchange resin, ferric chloride hexahydrate, stannous chloride, Aluminium chloride, modified zirconium oxid, ferric-potassium vitriol, ammonium ferric sulfate dodecahydrate, rave earth sulfate, sodium bisulfate monohydrate, complex solid superacid, heteropoly acid, molecular sieve, ionic liquid and lipase etal.

评述了对甲苯磺酸，阳离子交换树脂，六水三氧化铁，氯化亚锡，三氯化铭，改性氧化锆，铁钾矾，十二水合硫酸铁铵，稀土硫酸盐，一水硫酸氢钠，复合固体超强酸，杂多酸，分子筛，离子液体和脂肪酶等催化剂催化合成乳酸乙酯的合成方法。

Based on single factor experiment including esterify ing temperature, esterify ing time,and vitriol dosage,the conditions for esterify ing free fatty acid were optimized by response surface methodology and by determining acid value and content of V_E as evaluation indexes.

本研究在酯化温度、酯化时间和浓硫酸用量三个单因素试验的基础上，利用响应面分析法，以酯化后脱臭馏出物的酸价和VE含量为评价指标，对游离脂肪酸酯化条件研究。

Insolvable xylan was treated with 0.1% vitriol at 120℃ for 30 min, then dealt with xylanase(800 IU per g substrate) for 6 h.

采用0.1％浓度的H2SO4在120℃处理不溶性木聚糖30 min，然后加入木聚糖酶（800 IU/mg底物）水解6 h，得到低聚木糖的平均聚合度为1.43，得率为13.6％。

With the material of propionic acid and isobutyl alcohol,the synthesis of isobutyl propionate by using solid Mo-Ni Catalyst to replace common vitriol is studied.

以丙酸和异丁醇为原料，以改性钼镍粉取代以往常用的硫酸作催化剂，进行了丙酸异丁酯的合成研究。

The effect of roasting temperature, roasting time and the reducer dosage on the leaching ratio has been studied. The best process condition is cinder/ lignite is 1/0.8, the roasting temperature is 800, the roasting time is 20min. The second is vitriol lixiviate.

本工艺分四个阶段进行：首先是硫铁矿烧渣的还原焙烧，探讨了焙烧温度、焙烧时间和还原剂用量对铁的还原浸出率的影响，得到的最佳工艺条件为烧渣：褐煤=1：0.8，焙烧温度800℃，焙烧时间20min。

Products are vitriol , monoammonium phosphate, compound fertilizer and hydrochloric acid, all of which are brand products in Jiangsu province.

资产总额1.2亿元，资产负债率52%主产品硫酸、酸一铵、合肥、酸为江苏省名牌产品。

Phenylalanine is not easy to nitrify, so it is necessary to add in a little vitriol oil.

苯丙氨酸不易硝化，需加少量浓硫酸后才能够发生黄色反应。

Club-fitting uptempo singles like "Kerosene" or "The Vitriol" sit side by side with gloomy gothic rock songs such as "Harvest" and "In Every Sin" or dark rock hymns like "Nothingness" and "Unspoken" and even epic ballads "My Eyes" and finally the 10-minute title track "Aphelia", all melt into a harmonic concept album of eternal beauty.

俱乐部装修uptempo单打像&煤油&，还是&硫酸&坐并排与灰暗的哥特摇滚歌曲，如&收获&和&每单&或深色岩石呗像&虚无&和&潜&，甚至史诗歌谣&我的眼睛&，终于在10分钟的标题轨道& aphelia &，都变成泡影，一个和谐的概念专辑，永恒之美。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。