硫酸

With Puna Chicory as raw material, the research was made on the conversion rate of inulin fructose influenced by hydrolysis time, hydrolysis temperature and the concn. of sulfuric acid through the test of single factor, and the optimal technology parameters for inulin hydrolysis were determined by orthogonal experiment integrating with variance analysis and their results were verified.

方法］以普那菊苣为材料，单因素试验研究水解时间、水解温度、硫酸浓度对菊粉果糖转化率的影响，正交试验结合方差分析确定菊粉水解的最优工艺参数，并进行验证。

In comparison with the traditional method forsulfuric acid catalysis, the new method is evidently much more advanced,simpler, safer and more easily purificatory.

与传统的硫酸催化法相比，具有操作简单、安全、易纯化、产率高及成本低等优点。

To project of this one innovation, taiyuan manage is versed in university president Xie Kechang thinks, the extractive distill method that this suit buy uses and photograph of traditional vitriolic and purificatory craft are compared, without eduction of waste liquid of acerbity broken bits, technological process is simple, investment cost is low, and can reclaim the acridine thiophene that uses high additional cost, it is an environment friendly model project of green chemical industry.

对于这一创新项目，太原理工大学校长谢克昌认为，该套装置采用的萃取蒸馏法与传统的硫酸精制工艺相比，无酸渣废液排出，工艺流程简单，投资成本低，且能回收利用高附加值的医药原料噻吩，是环境友好型绿色化工工程。

Supply has in creased at an even greater pace as sulfur recovered from oil and gas refining, and from non-ferrous metal smelting has displaced voluntary production of sulfur from Frasch mining and pyrites production.

世界硫供应增长的速度更快，石油和天然气加工过程中回收的硫磺产量和有色金属冶炼回收的硫酸产量迅速增长，逐渐代替了矿产硫磺和硫铁矿的生产。

This artical introduces the effective practical new technique and it' s process for desulfurizing with pyrolusite slurry and the by-product recovery of manganous sulfate.

本文介绍了高效实用的软锰矿浆脱硫的新技术和工艺流程以及硫酸锰副产品的回收。

The effects of reaction temperature, pyrolusite dosage, initial concentration of caramel and sulphuric acid on the decolorizing rate of caramel were investigated.

结果表明，焦糖色素的降解脱色速率随焦糖色素初始浓度、硫酸浓度、软锰矿用量和反应温度的增加而增加。

The Raw materials were pyrite, pyrolusite and waste sulphuric acid.

已有在钦白废酸中用铁屑还原软锰矿生产硫酸锰的中试〔幻。

The results showed that the decolorizing rate increased with the increase of reaction temperature, pyrolusite dosage, initial concentration of caramel and sulphuric acid...

对实验数据进行拟合，得到了焦糖色素降解脱色动力学模型，其脱色过程的表观活化能为24.4kJ/mol，焦糖色素、硫酸和软锰矿的表观反应级数分别为2.0，0.58和1.09。

The catholic polarization curves of pyrolusite on graphite electrode in H2SO4 solution were determined by using potential-dynamic scanning under various conditions.

polarization curves ； cathode ；用动电位扫描法测绘了硫酸溶液中软锰矿在石墨电极上的还原极化曲线，考查了液固比、温度、搅拌速率等因素对阴极过程的影响。

The leaching process was researched to produce manganese sulfate from pyrite and pyrolusite, When the reaction was proceeded under the conditions: temp.

本文试验研究了用软锰矿和硫铁矿湿法生产硫酸锰的生产工艺。当反应温度大于95℃。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。