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1·Like furan, thiophene is aromatic.

和呋喃一样，噻吩是芳香性的。

2·The casting is cast in furan sand mould.

采用呋喃树脂砂型铸造。

3·Such is the case in pyrrole, thiophene, and furan.

吡咯，噻酚和呋喃的情况就是这样。

4·Process control of furan resin-bonded sand self-curing technology.

呋喃树脂自硬砂生产工艺过程控制。

5·The review of recent research progresses of furan resin was presented and discussed.

综述了近年来呋喃树脂的研究进展。

6·Furan, benzofuran, and vinyl acetate were classified as possibly carcinogenic to humans.

呋喃，苯并呋喃，醋酸乙烯酯被列为可能对人类致癌。

7·A novel furan resin was synthesized by polycondensation between furfuralcohol and furfural.

用糠醇和糠醛缩聚制备了新型呋喃树脂。

8·The present invention relates to regiospecific Furan Compounds and Their Use in Fragrances.

本发明涉及区域专一的呋喃化合物及其在芳香剂中的用途。

9·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。

10·Pyrrole, imidazole and furan are biodegradable organics, and pyridine are poor biodegradable organics.

吡咯、咪唑、呋喃为可降解有机物，吡啶为难降解有机物。