浓硝酸
- 网络concentrated nitric acid;Nitric acid concentrate
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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
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浓硝酸高压柱塞泵的改造
Retrofit of High Pressure Plunger Pumps for Concentrated Nitric Acid
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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 % .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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硝镁法浓硝酸装置的技术改造
Modification of Concentrated Nitric Acid Plant using Magnesium Nitrate Method
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耐浓硝酸铸造不锈钢的研究
Research on cast stainless steel used for concentrated nitric acid
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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
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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
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超共沸酸精馏法制取浓硝酸
Concentrated nitric acid manufactured by super azeotropic acid distillation process
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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
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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 .
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多支座浓硝酸储罐的优化设计
Optimum Design of Concentrated Nitric Acid Tank with Multi-supports
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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
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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
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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
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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
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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
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以浓硝酸为插入剂制备无硫可膨胀石墨
Preparation of sulfur - free and expandable graphite
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国内浓硝酸市场分析
Market Analysis of Concentrated Nitric Acid in China
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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
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我国浓硝酸市场前景分析
Domestic Marketing Analysis of Concentrated Nitric Acid