furan

1. Analysis on the Use Mistake of Furan Resin No-Bake Sand
   呋喃自硬树脂砂工艺使用误区的分析
2. Technical specification for anticorrosion engineering of furan resin
   呋喃树脂防腐蚀工程技术规程
3. Furfural chemical properties of active mainly in the structure of the aldehyde and furan ring in both highly reactive.
   糠醛化学性质活泼的主要表现在其结构中的醛基和呋喃环两者都有很强的反应性。
4. Furan resin-acid catalyst system
   呋喃树脂-酸催化剂体系
5. Such is the case in pyrrole, thiophene, and furan.
   吡咯，噻酚和呋喃的情况就是这样。
6. Present Status of Furan Resin and its application in resin sands
   呋喃树脂及其在树脂砂中应用的研究进展
7. Diels-Alder Reaction of Furan Derivatives in Ionic Liquid and on Silica Gel Supported Ionic Liquid
   呋喃类化合物在离子液体和硅胶负载离子液体中的Diels-Alder反应
8. Two production methods for preparing furan through decarbonylation of furfural were introduced: i.e. liquid phase reaction and gas phase reaction. Preparation of Supported Copper Based Catalysts and Its Application in Coupling Process of 2-Butanol Dehydrogenation and Furfural Hydrogenation
   介绍糠醛脱羰法制备呋喃的2种生产方法：液相法和气相法。负载型铜基催化剂的制备及其在仲丁醇脱氢和糠醛加氢耦合反应中的应用
9. The theoretical research on furan and halogen bond in CHF_3 and CClF_3
   呋喃与CHF3和CClF3构成的分子间卤键的理论研究
10. Furfural is also used as a chemical intermediate in the production of the solvents furan and tetrahydrofuran.
    在合成树脂生产中可以用来生产呋喃树脂、糠醛树脂、糠醇树脂等；
11. The analysis of the pyrolysis structure of B_4C modified furan resin using FT-IR spectroscopy
    B4C改性呋喃树脂在高温热裂解后的红外光谱分析
12. Two production methods for preparing furan through decarbonylation of furfural were introduced: i.e.liquid phase reaction and gas phase reaction.
    摘要介绍糠醛脱羰法制备呋喃的2种生产方法：液相法和气相法。
13. Synthesis of Furan C-Glycoside Derivative and Confirmation of Absolute Configuration of the Main Product
    呋喃碳苷衍生物的合成及主产物构型的确认
14. In this thesis, we have focused on the synthesis of highly substituted furan by the cycloaddition reaction of conjugated enynones with nitrones.
    本论文是关于共轭烯炔酮与硝酮化合物反应生成多取代的呋喃化合物的研究，主要从三个方面进行了研究。
15. In hydrolysis of lignocellulosic materials, a lot of compounds which are inhibitory to microorganisms can be formed such as: weak acids, furan derivatives, and phenolic compounds.
    在纤维素稀酸水解发酵制乙醇的过程中，由于弱酸、呋喃衍生物和苯系化合物对微生物的影响，乙醇的产量和产率都不高。
16. Authors introduces an example of applying no-bake furan resin sand technology to large-scale and high-efficient molding line.
    介绍了一种把呋喃树脂自硬砂工艺应用于大批量、高效率造型线的实例。
17. A novel technique for preparing furan through decarbonylation of furfural developed by Shanxi Institute of coal chemistry was described in detail.
    并详细评述了山西煤炭化学研究所的糠醛脱羰制呋喃的新工艺。
18. Study on Template Synthesis of Silica Nanotubes and Modified Urea-formaldehyde Furan Resin of Carbon Nanotube
    碳纳米管模板法制备二氧化硅纳米管及其改性脲醛呋喃树脂的研究
19. The mechanism was discussed in the proton acid catalytic reaction of furan phenol cyclization.
    探讨了呋喃酚环合反应质子酸催化机理。
20. It also has important project practical value to the FRP furan resin concrete structure design.
    为估计材料的长期力学性能提供依据，对FRP筋呋喃树脂混凝土结构设计具有重要的工程实用价值。
21. In this paper, polymer structures of furfuryl alcohol, condensation reactions of furfuryl alcohol and urea formaldehyde, and the structures of the chain elements of the urea furan resin were investigated.
    从呋喃树脂合成过程的特点出发，结合波谱分析，对呋喃脲醛树脂中糠醇的聚合态、糠醇与脲醛的缩合方式以及树脂的主要链节结构组成进行了分析和推断。
22. Many of them are heterocyclic compounds, such as furan, pyrazine, pyrrole.
    检出较多的杂环化合物，如呋喃类、吡嗪类、吡咯类，以及一些含硫化合物对酱油的风味贡献较大。
23. Application and Quality Control of Furan Resin Sand in Foundry Production
    呋喃树脂砂在铸造生产中的应用及质量控制
24. An anticorrosion method of using modified water glass concrete lining of furan resin for saturators is introduced.
    介绍了一种对饱和器采用呋喃改性水玻璃混凝土衬里的防腐蚀方法。
25. All of them are prospective odorants and as well as intermediates for synthesis of alkyl β-furan sulfides.
    它们都是合成β-呋喃基硫化物类的中间体，同时也可能是良好的香料单体。
26. The design and construction technique for furan resin concrete whole ground with good anticorrosion performance are introduced.
    较详细阐述了贵溪冶炼厂呋喃树脂混凝土整体地面的设计和施工技术。
27. The percentage of acid, furan and other volatile compound increased.
    酸类、呋喃类和其它杂类挥发性成分组成百分比增加，醇类减少。
28. The effect of different curing agent on thermal stability of furan resin were compared by the Thermo Gravimetric Analyzer.
    并利用热重分析方法比较了不同固化剂对呋喃树脂热稳定性的影响。
29. The extent of graphitization of furan resin carbon was examined by X-ray diffraction and Raman spectroscopy.
    通过X射线衍射和拉曼光谱等方法对呋喃树脂炭的石墨化进行了表征。

noun

1. a colorless toxic flammable liquid used in the synthesis of nylon

   Synonym:    furanefurfuran