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- furan chromone 呋喃色酮
- Such is the case in pyrrole, thiophene, and furan. 吡咯,噻酚和呋喃的情况就是这样。
- A new chromone glycoside from Cassia siamea lam. 铁刀木中一个新的色酮苷。
- Such is the case in pyrrole, thiophene, and furan . 吡咯,噻酚和呋喃的情况就是这样。
- The casting is cast in furan sand mould. 采用呋喃树脂砂型铸造。
- 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。
- Catalytic hydrogenation of pyrrole, furan and thiophene was investigated. 考察了常温常压下吡咯、呋喃和噻吩的催化加氢反应;
- Any of several drugs derived from furan that are used to inhibit bacterial growth. 硝基呋喃一种呋喃衍生药物,用来抑制细菌的生长
- Aloe chromone is a group of anti-inflammatory and anti-tyrosinase constituents found in aloe vera leaves. 芦荟色酮是在芦荟叶中特有的一类具有抗炎和抑制酪氨酸酶等作用的活性物质。
- Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid. 淫羊藿中主要成分有黄酮类、酚苷类、多糖、色酮类、生物碱类等,但主要集中在黄酮类的研究。
- 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。
- Objective To set up a quantitative determination method of HPLC for four components in the chromone fraction of Saposhnikovia divaricata(Turcz. 目的建立防风色原酮部位中4种成分升麻素苷、升麻素、5-O-甲基维斯阿米醇苷和亥茅酚苷的高效液相色谱含量测定方法。
- The adsorption and desorption properties of CNA-875,CNA-795 and CNA-E adsorbents to furan were estimated and compared. 评价比较了CNA - 875、CNA - 795和CNA -E对呋喃的吸附解吸性质。
- 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。
- The degree of furan removing and adsorbing capacity with CNA-795 in different regenerating conditions were mensurated. 测试了在不同再生条件下CNA -795对呋喃的脱除精度和吸附容量。
- The reason causing nodularization degeneration in surface layer of furan resin sand nodular iron castings was analyzed. 对呋喃树脂砂球墨铸铁件表层球化衰退原因进行了分析。
- 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。
- The author believes that China has possessed the capabilities of developing commercial furan phenol technology. 作者认为我国已具备开发呋喃酚工业化路线的能力。
- 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。
- Furazolidone in chickens is the important index of the furan drug content in the feed additive. 鸡肉中呋喃唑酮是反映饲料添加剂中呋喃类药物含量的重要指标。