furan的例句大全

Synthesis of 2-methyl-3 ( 4)-thioacetyl furan

2－甲基－3（4）－乙酰硫基呋喃的合成

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Ab initio theoretical study of the hetero Diels-Alder reactions of 1,3-butadiene and furan with thioformaldehyde

1,3-丁二烯及呋喃与硫甲醛杂Diels-Alder反应的理论研究

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The mainly report is based on the model of HAc-furan in order to study the effect of multi-ions of metal on the hydrogen bond eventually weaken hydrogen bond of the thick oil.

以下主要以乙酸-呋喃为模型，探讨含铁离子催化剂对氢键的影响，实现削弱氢键的可能性。

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This paper presents a review on the intermolecular and intramolecular Diels-Alder cycloaddition reaction of the furan ring and their applications for organic synthesis.

本文就呋喃环参与的分子间和分子内D-A反应及其应用作一综述。

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Recovery and Treatment of Furan Phenol Effluent by High Effective Centrifuge and Complex Extractant

采用高效离心器及络合萃取剂回收处理呋喃酚污水

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The Catalytic Hydrogenation Properties of Cation Exchange Resin of Furan Derivatives

呋喃衍生物阳离子交换树脂加氢催化性能

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Chemometrics Used for Organic Synthesis Analysis ⅱ. Catalytic Hydrogenation of Furan

化学计量学用于有机合成分析Ⅱ.呋喃催化加氢

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Dioxin and furan, the so-called environment hormones, are two of the 12 permanent organic pollutants forbidden or limited by 2001 Stockholm Agreement of UN. They can seriously injure the gland excretion system and genitals system of human and high animals.

二恶英和呋喃被称为环境激素，是被联合国2001斯德哥尔摩公约禁止或限制的12种持久性有机污染物中的2种，它们能严重损害人类和高级动物的内分泌和生殖系统，并具有致癌性。

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Study on novel furan resin with high bonding strength

高粘结强度新型呋喃树脂的研制

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by decreasing the grade of cast iron, using furan resin selfsetting sand as a substitute for clay sand to make the core and prolonging cooling time in mould, the cracking problem has been solved.

通过降低材料牌号，使用呋喃树脂自硬砂取代粘土制芯，延长铸件在型内冷却时间，使裂纹缺陷问题得到解决。

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Technical Transformation on the 10 t/ h's Furan Bonded Sand Production Line

10t/h呋喃树脂砂生产线技术改造

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Studies on the Synthesis of Sesamin-group Lignans IV.A Study of the Reaction between Dimethyl 2-Phenyl-furane-3,4-dicarboxylate and Grignard Reagents

芝麻素类型木脂素的合成研究Ⅳ2－苯基呋喃3，4－二羧酸二甲脂与格氏试剂反应的研究

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Synthesis and Intramolecular Diels-Alder Reaction of the Furan Diene System

呋喃双烯体系的合成及其分子内Diels-Alder反应的研究

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with a penetrating odor; made from plant hulls and corn cobs; used in making furan and as a solvent.

一种带渗透性气味的液体醛，用植物外壳和玉米芯制取，用于制呋喃或用作溶剂。

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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。

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analysis and preventive of blowhole defects for the large diesel engine sole plate used of furan resin bonded sand

呋喃树脂砂生产大型柴油机底座气孔缺陷的防止

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furan compounds with furfural in are more prominent, is one of the ingredients of the characteristics of maotai-flavor liquor.

呋喃化合物中以呋喃甲醛较为突出，是酱香型白酒的特征成分之一。

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furan compounds with furfural in are more prominent, is one of the ingredients of the characteristics of maotai-flavor liquor.

呋喃化合物中以呋喃甲醛较为突出，是酱香型白酒的特征成分之一。

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improving of temperature control device for no-bake furan resin bonded sand

树脂自硬砂温控装置改进

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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

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