| 1. | Nitracidium and hydronitracidium nitrastes are present in concentrated nitric acid .
浓硝酸中有硝酸合氢和氢合硝酸合氢的硝酸盐存在。 |
| 2. | Concentrated nitric acid for industrial use
工业硝酸浓硝酸 |
| 3. | To start the oxidation reaction of glaoxal smoothly , it is usefull to add some alcohol ( ch3ch2oh ) to nitric acid
摘要为使乙二醛的氧化反应平稳地启动，可在浓硝酸中加入少量乙醇。 |
| 4. | The demand and price trend are analyzed in this article in view of the production situation of concentrated nitric acid in the past years
摘要结合浓硝酸历年来的产量情况对其产品未来的需求及价格走势进行了分析。 |
| 5. | Final results indicated that the way being fit for plating copper on the surface of carbon fibers was that carbon fibers were oxidized in hot air and boiled in nitric acid at high temperature
试验发现采用热空气和浓硝酸联合氧化的方法可使碳纤维获得适于镀铜的表面状态。 |
| 6. | The temperature of the mixture can be kept at above 200 , thus the oxidation power of nitric acid can be kept at a rather high level and the non - diamond carbon can be removed completely
其做法是，将半成品与浓硫酸混合，加热到200以上，将浓硝酸缓慢滴入，进行氧化处理，这样可以使混合物保保持较高温度，从而提高了硝酸的氧化能力。 |
| 7. | This point correspondence saturated adsorptive capacity , may use for to judge the monolayer and the polymolecular layer adsorption point of demarcation . using the aqua fortis , the hypochlorous acid and the ammonia water have carried
利用浓硝酸、次氯酸和氨水对活性炭的表面进行了改性并应用于饮用水中对三氯甲烷等有机物的吸附,可明显降低水样中三氯甲烷的含量,使水质达到国家标准规定的指标要求。 |
| 8. | By using coal pitches and green petroleum coke as starting materials , the mixture of sulfuric acid and nitric acid as oxidizing agent , effects of the properties of starting materials and the processing conditions on the yield of were aqua - mesophase have been investigated
以煤沥青和石油生焦为原料，以浓硝酸和浓硫酸混合物为氧化剂，对炭质原料性能与水性中间相的产率之间的关系以及工艺条件对水性中间相产率的影响进行了研究。 |
| 9. | The traditional only water craft with difficulty satisfies the production qualified drinking water the request . in view of yueyang running water company factory water quality , we used the thick nitric , the hypochlorous acid and the ammonia water have carried on the modification to the activated charcoal surface . state clearly studied the factor the influence to study the superficial modification to the activated charcoal adsorption trichloro alkane performance
针对岳阳市自来水公司一水厂的出水水质和现行处理工艺,建议增加一道活性炭吸附除有机物工序,采用浓硝酸、次氯酸和氨水对活性炭的表面进行了改性。研究了表面改性对活性炭吸附三氯甲烷的性能影响。 |
| 10. | Single - walled carbon nanotubes ( swnts ) were opened and oxidized in the concentrated h2so4 / hno3 mixture ( volume ratio : 3 : 1 ) , hydroxyl groups could be brought into the swnts after oxidation modification treatment , and the long - chain silane coupling agent was grafted onto swnts via hydroxyl - silanol route
摘要采用混酸体系（浓硫酸浓硝酸体积比为3 / 1 ）对单壁碳纳米管进行了氧化处理，并通过氧化处理后在单壁碳纳米管表面生成的羟基官能团与长链硅烷偶联剂进行反应，制备了表面有机修饰的单壁碳纳米管。 |
