查询词典 roman vitriol

This article compares with chromatographic peak shape of samples to determine the kind of polluted PCBs with potassium hydroxide and vitriol interferer.

本文通过氢氧化钾、浓硫酸破坏样品中可能的干扰物。再将样品色谱峰形进行比较。

This method involves using the glacial acetic acid as a catalyst, adding the litharge in aqueous medium and adding a quantity of oil of vitriol to yield lead sulfate.

该法来用了冰乙酸作催化剂，在水介质中加入氧化铅，再滴加一定量的浓硫酸来合成硫酸铅。

The whole experiment process was divided into three parts - reduction roasting pyrite cinder, vitriol lixiviation and catalytic-oxidation polymerization, the optimum condition was defined in every part, and the production quality and flocculation performance were tested, good results were gained.

本实验采用还原焙烧、硫酸浸取、催化氧化聚合的工艺制取聚合硫酸铁，确定了各个阶段的最佳工艺条件，并对制取的PFS进行了产品质量检验和水处理效果实验，取得了良好效果。

Based on a detailed investigation of present utilization and recovery ofpyrite cinder, the preparation process of poly ferric sulphate was discussed in this article and good results were gained. The whole experiment process was divided into three parts - reduction roasting pyrite cinder, vitriol lixiviation and catalytic-oxidation polymerization.

本课题结合重点企业委托的实际科研项目，以武钢金山店铁矿硫酸厂的硫铁矿渣为主要原料，在对目前硫铁矿烧渣回收及利用现状进行综合考察的基础上，探讨利用硫铁矿烧渣制取高附加值的无机高分子絮凝剂PFS的制备工艺，取得了良好的效果。

The present invention adopts the technical proposal of adopting ZSM-5 mesoporous molecular sieve raw powder with a silicon-aluminum mol ratio SiO2Al2O3 of 20 to 1000 and a weight percentage of 20 to 100 percent as well as at least one caking agent selected from SiO2, clay and Al2O3 to extrude, tablet or spray into shape; then treating for 1 to 8 hours by 0.1 to 3 mol/l of at least one ammonium liquor from ammonium nitrate, ammonium chloride or ammonium sulphate or 0.1 to 8.5 mol/l of at least one acid liquor from muriatic acid, nitric acid, vitriol or acetic acid under a temperature of 20 to 90 DEG C; then using steam to treat for 2 to 15 hours under the temperature condition of 400 to 700 DEG C; using a liquor of 0.1 to 3mol/l selected from at least one of oxalic acid, citric acid or maleic acid under a temperature condition of 20 to 90 DEG C to dip for 2 to 5 hours to obtain the modified molecular sieve catalyst, thus better solving the problems.

本发明通过采用硅铝比SiO2/Al2O3为20～1000重量百分比计20～100％的ZSM-5介孔分子筛原粉与余量的选自SiO2、粘土或Al2O3中至少一种粘结剂挤条、压片或喷球成型；再经过0.1～3摩尔/升选自硝酸铵、氯化铵或硫酸铵中的至少一种铵溶液或0.1～8.5摩尔/升选自盐酸、硝酸、硫酸或乙酸中的至少一种酸溶液在温度20～90℃下处理1～8小时；然后在温度为400～700℃条件下水蒸汽处理2～15小时；再用0.1～3摩尔/升选自草酸、柠檬酸或马来酸中至少一种在温度为20～90℃条件下浸渍2～5小时得所需改性分子筛催化剂的技术方案较好地解决了该问题，可用于甲醇转化制丙烯的工业生产中。

After removing the catalyzer by dense muriatic acid, carbon nanotubes are reacted with mix acid (vitriol:nitric acid=3:1 vol./vol.). By comparing the surface image of gained carbon nanotubes under the different condition, the best mix acid oxidation temperature is fixed on 140°C and the reaction time is 30min. The soluble carbon nanotubes were prepared by decorating of octadecylamine on the surface of nanotubes. Three processes of grafting were investigated in this research.

对碳纳米管的热失重、差热分析结果表明，通过在一定温度下空气氧化可去除大部分碳颗粒；而浓盐酸浸泡可去除碳纳米管制备过程中残留的催化剂颗粒；对在不同条件下与硫酸和硝酸配制的混酸反应处理后得到的碳纳米管的表面形貌研究表明最佳混酸氧化条件为140℃氧化30min。

This paper mainly studies effect and influence factor that typical corrosive medium (muriatic acid, vitriol, nitric acid, sodium hydroxide, sodium chloride etc.), consistence and condition temperature acts on the material coated on castiron centrifugal interface (PFEP, PPS, CPE, remodeled epoxy). It is studied that powder electrostatic spray, suspend fluid spray, suspend fluid electrophoresis underside coat etc. technics influences on coat quality coated with above four anticorrosive material. The property analysis is done that above four anticorrosive material and three coat technics adapt to centrifugal pump frame and running dynamic condition. In addition, the effect is introduced that castiron centrifugal coated anticorrosive material is used in coal water with alum.

本文侧重研究了典型腐蚀工作介质盐酸、硫酸、硝酸、氢氧化钠碱、氯化钠盐等品种、浓度、环境温度，对铸铁离心泵过流面的聚全氟乙丙烯、改性聚苯硫醚、改性氯化聚醚、改性环氧四种防腐涂层材料的试验使用效果和影响因素分析；研究了四种涂层材料粉末静电喷涂、悬浮液喷涂、悬浮液电泳底涂等涂装方法工艺对涂层质量的影响；四种涂层材料和三种涂装方法对离心泵结构和运行动态环境的适应性分析；介绍了铸铁离心泵防腐涂层在煤矿矾水中的应用效果。

By the end of 2005, its production capacity reached 330,000 T/Y urea, 300,000T/Y Synthetic Ammonia, 100,000T/Y sulfur compound fertilizer, 200,000T/Y hi-concentrated compound fertilizer, 80,000 T/Y vitriol, 30,000 T/Y muriatic acid, 50,000 T/Y carbinol and so on.

到2005年底，年生产规模已达到：合成氨30万吨，尿素33万吨，硫基复合肥10万吨，高浓度复合肥20万吨，硫酸8万吨，盐酸3万吨，甲醇5万吨、碳酸氢铵20万吨。

The result showed that the optimal condition of inorgano-absorbent manufacture as following: concentration of vitriol is 15%, the bentonite carrier must be soaked in the 0.4% La(superscript 3+) solution, the pH is 10, microwave radiation power is 340 W for 5 min. The optimal condition of organo-absorbent manufacture process as following: concentration of CTMA is 5%. The rate of wave must 166 W and the time of radiation is 6 mi In addition, the experimental results showed that with inorgano-absorbent the pH number is 3~6 and the reaction time is 45 min, the removal efficiency of phosphor will be up to 99% and the amount of adsorption will be up to 41 mg/g. And with organo-absorbent the pH number is 3~4 and the reaction time is 45 min, the removal efficiency of phosphor is more 30% than that of inorgano-absorbent. The removal efficiency of phosphor will be up to 99% and the number of adsorption will be up to 60 mg/g.

实验表明：①制备无机稀土吸附剂的适宜条件为：硫酸浓度15%，镧浓度0.4%，浸渍pH值10，微波功率340 W，辐射时间为5 min；②制备有机稀土吸附剂的适宜条件为：表面活性剂浸泡浓度为5%，微波功率为166 W，微波辐射时间为6 min；③无机稀土吸附剂当溶液的pH值为3~6，振荡时间为45 min时，对磷去除率为99%以上，吸附量达到了41 mg/g以上，有机稀土吸附剂当溶液的pH为3~4，振荡时间为45 min时，其效果比原来镧改性的无机吸附剂吸附量提高了30%，磷去除率为99%以上，吸附量达到了60 mg/g以上。

It is indicated that BET specific surface area is most significant influenced by reaction temperature, and the sequence of influence level are concentration of sodium silicate, cocurrent time and concentration of vitriol.

实验结果表明，反应温度对沉淀二氧化硅的BET比表面积的影响最大，其次是硅酸钠浓度、并流时间和硫酸浓度。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。