查询词典 furfuryl

Ordered mesoporous carbon was successfully synthesized using siliceous MCM-48 as template,p-toluenesulfonic acidas catalyst,and furfuryl alcohol as carbon source by vapor depositon polymerization method.

以纯硅MCM-48为模板、对甲苯磺酸为催化剂、糠醇为碳源通过蒸汽沉积聚合制备了高度有序的中孔炭分子筛。

Key words: levulinic acid; catalyzed hydrolysis of furfuryl alcohol; hydrolysis of biomass

中图分类号：TQ073；TQ91 文献标识码：A 文章编号：0253-4320（2003）

Half-micro-quantum experiment on synthesis of furfuryl alcohol and furoic acid ;2. The silver oxide catalytic oxidation of furfurol in manufacturing furoic acid was improved.

2呋喃甲酸是糠醛在人体中的代谢产物，可做为防腐剂、熏蒸剂等，本文报道[Nd(C4H3OCOO)2·NO3·C10H8N2]2配合物的合成和单晶X射线衍射分析结果。

The THFA yield and selectivity were 2.0%higher than those by using catalyst Ⅰ without promoter,3.0%higher than those by using Raney nickel catalyst under the same reaction conditions and furfuryl alcohol conversion.

在相同反应条件和糠醇转化率条件下，四氢糠醇收率和选择性均比没有助剂的镍催化剂Ⅰ高2.0%，比骨架镍催化剂高3.0%。

Surface organometallic chemistry ; tetrabutyl tin ; HY molecular sieve ; grafting reaction ; catalysis ; furfural ; furfuryl alcohol

表面金属有机化学；四丁基锡； HY分子筛；接枝；催化；糠醛；糠醇

Nanosized CPF(Conjugated Polymer of Furfuryl alcohol)/ZnO composite catalyst was prepared through in-situ polymerization and heat conversion. The thermal stability, morphologies, size, structure and optical absorption properties of the CPF/ZnO material were characterized by TG-DTA, TEM, XRD, XPS, IR and UV-Vis techniques.

通过原位聚合-热转化两步法，利用ZnO纳米微粒和糠醇制备出了具有大共轭结构的高分子和ZnO的纳米复合催化材料；用TG-DTA、TEM、XRD、XPS、IR和UV-Vis等技术对其热稳定性、形貌、尺寸、结构及吸光特性等进行了表征，以亚甲基蓝溶液的催化降解研究了该材料在自然光条件下的催化性能。

Furfuryl alcohol ; hydrogenation ; skeleton nickel catalyst ; tetrahydrofurfuryl alcohol

糠醇；加氢；骨架镍催化剂；四氢糠醇

Amorphous alloys represent a variety of special materials with short-range ordering while long-range disordering structure which may provide pathways to the excellent catalytic properties, i.e., good anti-poisoning ability, the higher catalytic activity and selectivity in homogeneous hydrogenation of a,p-unsaturated aldehyde, the low and even none environment pollutionUp to now, in hydrogenation of furfural to furfuryl alcohol, the most commonly used catalysts are Cu-Cr dopant Cu-Cr, and Raney Ni et al.

目前，在糠醛催化加氢反应中所用的催化剂主要有Cu-Cr和修饰的Cu-Cr以及Raney Ni等，Cu-Cr催化剂毒性较高，对环境构成严重的危害，而且易阻塞反应器。

The Cu-doped Co-Cu-B catalyst was prepared by chemical reduction of mixed CoCl_2 and CuCl_2 with KBH_4 in a- queous solution and the effect of the Cu-content on the catalytic performance was investigated during liquid-phase furfural hy- drogenation to furfuryl alcohol.

用KBH_4还原CoCl_2和CuCl_2混合溶液制得Co-Cu-B催化剂，用于糠醛液相选择性加氢制糠醇，研究了不同Cu掺入量对催化剂性能的影响，发现当Cu：Co的摩尔比为9.64×10~(-3)时，催化活性达到最佳。

Tetrahydrofurfuryl alcohol was prepared from furfuryl alcohol with hydrogenation reduction by using the catalyst at 393-413 K,0.25-0.4 h-1 and 2.0-4.0 MPa.

在393～413 K、0.25～0.4 h\+\{-1\}、2.0～4.0 MPa条件下，用上述催化剂加氢还原糠醇制备四氢糠醇。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失