1. One dinitrogen pentoxide molecule contains two nitrogen atoms and five oxygen atoms.
分子中含有两个氮原子和五个氧原子。
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2. This shows that Vanadium pentoxide may only rarely be applicable as sole oxidizing agent.
这表明五氧化钒是很少用做单一的氧化剂的。
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3. Arsenic pentoxide (As2O5) is also used in insecticides, herbicides, metal adhesives, and pigments.
五氧化二砷（AS2O5）是杀虫剂、除草剂以及金属黏合剂的主要成分。
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4. Note. (1) The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.
注意事项(1)二氯甲烷加入五氧化二磷蒸馏，加入分子筛储存。
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5. The method was used to determine the content of di-phosphorus pentoxide in phosphoric acid and the result was satisfactory.
本方法用于测定磷酸中五氧化二磷的含量，获得满意结果。
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6. "in a desiccator": the drying is carried out over diphosphorus pentoxide R at atmospheric pressure and at room temperature;
“干燥器中”：采用五氧化二磷试剂干燥，大气压，室温。
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7. A new complex ion exchanger, hydrated antimony pentoxide ammonium molybdophosphate, is prepared and its exchanging capacity is studied.
研究了水合五氧化二锑磷钼酸铵复合无机离子交换剂的制备和交换性能。
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8. After an analysis of existing problems, some Suggestions are made for future directions and priorities of colloidal antimony pentoxide research.
针对目前存在的问题，对胶体五氧化二锑的研究方向及研究重点提出了几点建议。
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9. A mild and high efficient method to prepare glycidyl nitrate by selective nitration of glycidol with dinitrogen pentoxide as the nitrating agent was developed.
研究了一种五氧化二氮为硝化剂，选择性硝化缩水甘油合成缩水甘油硝酸酯的温和、高效方法。
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10. The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.
简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。
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11. The types, technology and characteristics of the "green" nitration for preparing nitric esters using dinitrogen pentoxide as the nitrating agent were introduced.
前言： 简要介绍以五氧化二氮为硝化剂制备硝酸酯的“绿色”硝化反应的类型、工艺及特点。
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12. For instance, ions could be incorporated between the vanadium pentoxide fibres and slabs, which would make the paper suitable as electrode material for batteries.
例如，五氧化二钒纤维和片层中的离子可以结合在一起，这使陶瓷纸很适合用于电池中的电极材料中。
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13. The invention discloses a carbon doped niobium pentoxide nanometer structure visible light photocatalyst and a method for preparing an anhydrous system thereof at a low temperature.
本发明公开了一种碳掺杂五氧化二铌纳米结构可见光光催化剂及其非水体系低温制备方法。
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14. The carbon doped niobium pentoxide prepared by the method possesses the co-existing structure of a nanometer flake and a nanometer particle, thereby the specific surface area is big.
使用本发明方法制备的碳掺杂五氧化二铌具有纳米片和纳米颗粒共存的结构，比表面积大。
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15. The main products of the company are No. 1 Class vanadium pentoxide, ammonium metavanadate, Microsilica, fused Quartz, Quartz Glass Tuber and other raw material of quartz in all sizes.
主要产品有五氧化二钒一流、偏钒酸铵、硅微粉、融熔石英、石英玻璃管和各种规格石英原料。
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16. It discusses the influences of temperature, the types of sodium salt, and the adding amounts of sodium salt to extracting vanadium pentoxide from high-silicon low-vanadium vanadium slag.
讨论了温度、钠盐种类及钠盐加量对高硅低钒钒渣提取五氧化二钒的影响。
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17. It discusses the influences of temperature, the types of sodium salt, and the adding amounts of sodium salt to extracting vanadium pentoxide from high-silicon low-vanadium vanadium slag.
