浓硝酸

aspenplus软件在浓硝酸制备工艺上的应用

Application of Aspen Plus Software in Manufacture Process of Concentrated Nitric Acid

浓硝酸高压柱塞泵的改造

Retrofit of High Pressure Plunger Pumps for Concentrated Nitric Acid

较佳反应条件为：采用65%的浓硝酸和浓硫酸作为硝化剂，反应温度为90℃，反应时间4h，收率为88.0%。

Reaction temperature is 90 ; reaction time is 4 hours . It yield is 88.0 % .

C4钢是我国近年来自行研制、开发的耐浓硝酸腐蚀用钢，具有优良的力学性能和耐蚀性能。

C 4 steel has some functions such as excellent mechanical properties and dense nitric acid - resistance .

介绍了在浓硝酸制备工艺过程中使用aspenplus软件开发包括热力学在内的全流程模拟模型及其应用情况。

This paper introduced full-scale model and application of using Aspen Plus software to simulate the manufacture process of concentrated nitric acid including thermodynamic properties .

采用浓硝酸和电化学两种不同的表面处理技术，对碳纤维表面处理，利用SEM对纤维表面进行了分析，并对其所制备的Cf/C复合材料抗弯性能进行了测试。

Dense nitric acid and electrolytic surface treatment techniques were adopted , the shapes of surface after treatment were analyzed by SEM , and flexural strength of C_f / C composite prepared with treated fibers was tested .

质量分数65%的浓硝酸与硝基四苯基卟啉（TPP）反应较完全且没有副产物生成，单硝化TPP（m-NTPP）的收率达到约80%；

The yield of mono nitro TPP reaches 80 % through the reaction of 65 % concentrated nitric acid and TPP , and little byproduct is found .

使用浓硝酸、双氧水、酸性高锰酸钾、过硫酸铵等强氧化剂处理C／C，可以增加材料表面含氧官能团的含量，增强材料在模拟体液当中诱导钙磷沉积的能力。

When treated with concentrated nitric acid , hydrogen peroxide , acidic potassium permanganate , ammonium persulfate and other strong oxidizing agents , oxygen-containing functional groups on C / C were increased and the ability of C / C to induce Ca-P deposition in simulated body fluid was enhanced .

经浓硝酸和浓过氧化氢氧化ACF制得的氧化改性ACF，通过Boehm滴定分析表明氧化改性ACF表面酸性基团明显增加，也得到了FT-IR和TG的验证。

ACF , oxidized by concentrated nitric acid and hydrogen peroxide , was analyzed by Boehm titration , FT-IR and TG The results of Boehm titration showed the acidic group amount of oxidized ACF increased obviously .

分别将碳纳米管在浓硝酸中纯化1h，4h，8h，12h以获得具有不同缺陷数量的碳纳米管。

In order to get the CNTs with the different number of defect , we treated the CNTs with the concentrated nitric acid for 1 h , 4 h , 8 h and 12 h. respectively .

试验结果表明，该钢经1050℃×1.5h水冷（或空冷）固溶处理后，在浓硝酸介质中具有优良的耐蚀性与满意的韧性和铸造性能。

The results show that the stainless steel , subjected to a solution heat treatment ( 1050 ℃× 1.5h , water cooling or air cooling ) has good corrosion resistance and satisfactory toughness and casting performance .

在低温下用浓硝酸及过氧化氢消化人发至消化液呈透明淡棕色，加乳化剂OP溶解消化过程中所产生的油脂，可获得一均匀的样品乳浊液。

Under low temperature human hair sample was digested by concentrated nitric acid and hydrogen peroxide , till the digestion solution presented transparent pale brown The fat and oil produced from digestion of hair sample were solved by emulsifier OP added in digestion solution , a homogeneous emulsion was gained .

用浓硝酸（65%￣68%）对气相生长碳纤维（VGCF）进行了不同时间的表面化学改性。

The surface chemical modification for the vapour grown carbon fibers ( VGCF ) produced with the catalytic dehydrogenation of hydrocarbon have been performed by concentrate nitric acid ( 65 % ~ 68 % ) for various times in order to extend the practical application in composite materials .

硝镁法浓硝酸装置的技术改造

Modification of Concentrated Nitric Acid Plant using Magnesium Nitrate Method

耐浓硝酸铸造不锈钢的研究

Research on cast stainless steel used for concentrated nitric acid

低浓硝酸铵水溶液冷冻提浓特性试验

Freezing Condensation Characteristic Tests of Dilute Ammonium Nitrate Aqueous Solution

陶瓷波纹板填料在浓硝酸生产中的应用

Use of Ceramic Corrugated Sheet Packings in Production of Concentrated Nitric Acid

超共沸酸精馏法制取浓硝酸

Concentrated nitric acid manufactured by super azeotropic acid distillation process

浓硝酸工段设备设计中的几点看法

Viewpoints for Design of Equipment Used in Concentrated Nitrogen Acid Workshop Section

研究了该类阴极箔表面附着铜的来源，提出了用浓硝酸清洗附着铜的方法。

A method for removing copper residue by concentrated nitric acid is represented .

多支座浓硝酸储罐的优化设计

Optimum Design of Concentrated Nitric Acid Tank with Multi-supports

陶瓷规整填料在浓硝酸装置上的应用

Use of Structured Ceramic Packings in Nitric Acid Unit by Magnesium Nitrate Process

硝酸镁法生产浓硝酸的加热器改造

The reconstruction of heater in concentrated nitric acid production by magnesium nitrate method

GB/T4147.4-1984浓硝酸中灼烧残渣含量的试验方法重量法

Method of test for ignited residue content in concentrated nitric acid & Gravimetry

容错控制在浓硝酸高压反应釜中的应用研究

Fault-tolerant Control in the Application Research of The Continuous worked Strong nitric acid Autoclave

浓硝酸氧化直链饱和脂肪醇制备羧酸

Preparation of carboxylic acids by oxidation of primary alcohols with boiling concentrated nitric acid

以浓硝酸为插入剂制备无硫可膨胀石墨

Preparation of sulfur - free and expandable graphite

国内浓硝酸市场分析

Market Analysis of Concentrated Nitric Acid in China

浓硝酸处理碳纳米管对4-硝基苯酚的吸附性能研究

Studies on Adsorption of p-nitrophenol on Multi-wall Carbon Nanotubes after Concentrated Nitric Acid Treatment

我国浓硝酸市场前景分析

Domestic Marketing Analysis of Concentrated Nitric Acid