呋喃
- furan;furane;furfuran;tetrol
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[furan] 环内含四个碳原子和一个氧原子的一种易燃的液体化合物C 4 H 4 O,得自某些松木油
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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。
The extent of graphitization of furan resin carbon was examined by X-ray diffraction and Raman spectroscopy .
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FRP筋呋喃树脂混凝土梁蠕变性能试验研究
Research on Creep Behavior of FRP Rebar Reinforced Furan Resin Concrete Beam
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几个β-二氢沉香呋喃多醇酯的CD谱研究
The Circular Dichroism of Some β - Dihydroagarofuran Polyesters
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HPLC和ELISA法检测食品中呋喃唑酮
Determination of Furazolidone in Food by HPLC and ELISA
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饲料中呋喃唑酮的HPLC法测定
Determination of Furazolidone in Feedstuff with HPLC
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Et3N·Mo(CO)5催化取代2,3-二氢呋喃衍生物的合成
Synthesis of 2,3-Dihydrofuran Derivatives by Et_3N · Mo ( CO ) _5 Catalyst
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B4C改性呋喃树脂在高温热裂解后的红外光谱分析
The analysis of the pyrolysis structure of B_4C modified furan resin using FT-IR spectroscopy
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二氢沉香呋喃倍半萜的2DNMR研究
Study of 2D NMR of dihydroagarofuran sesquiterpenes
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认为MRS以万古霉素治疗效果最佳,其次为呋喃妥因。
Vancomycin is the most effective medicine for the therapy of MRS , and Nitrofurantoin ranks second .
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氯是煤中的有害元素之一,煤燃烧时氯一部分以HCl的形式释放出来,一部分则生成三致剧毒有机氯化物&二恶(口英)和呋喃。
Chlorine is one of the pernicious elements in coals .
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试验中先采用滴加成球法制备球形壳聚糖,然后用呋喃甲醛对其改性,合成了球形壳聚糖呋喃甲醛树脂。Resin方法进行纯化。
Spherical chitosan furfural resin was synthesized by preparing chitosan beads via drop-sphere-forming method at first , and then by modifying the beads with furfural .
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2,5-二甲基-3(2H)-呋喃酮的合成研究
Study on Synthesis of 2,5-dimethyl-3 ( 2h ) - furanone
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Pd-Ni/Al2O3催化剂上α-呋喃甲酸加氢反应研究
Study on the Performance of α - Furan Formic Acid Hydrogenation over Pd-Ni / Al_2O_3 Catalysts under Mild Conditions
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本文通过(+)-樟脑缩呋喃甲亚胺的不对称烷基化反应,合成了(R)-α-烷基糠胺。
( R ) - α - alkyl-furfuryl amines are synthesized by asymmetric alkylation of ( + ) - camphor ketimine ( 3 ) from furfuryl amine .
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4-羟基-2,5-二甲基-3(2H)呋喃酮的合成
The Synthesis Of 4-Hydroxy - 2 , 5-dimethyl - 3 - ( 2H ) - furanone
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其中耐药率最高的是多黏菌素B,达65.2%;诺氟沙星、头孢噻肟、磷霉素、林可霉素和呋喃妥因的耐药率也较高,均在30.0%以上。
The resistance rate of Polymyxin B is highest , up to 65.2 % . The resistance rate of Norfloxacin Cefotaxime , Fosfomycin , Lincomycin , and Nitrofurantoin is more than 30.0 % .
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玻璃钢(FRP)筋呋喃树脂混凝土是一种强度高、全方位耐腐蚀的新型工程材料,具有十分广泛的应用前景。
FRP furfural resin concrete is a kind of anti-corrosive new engineering material with high strength , which has extensive application prospect .
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对化合物的元素组成及红外光谱进行了分析,推测配体亚胺N,呋喃环O及羧基O参与配位,配合物为四配位化合物。
The elemental analysis and IR spectrum of the compounds show that imine N , furan nucleus O and carboxy O of the ligand are coordinated atoms and the complexes are four coordinated .
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利用重组酶对农药进行降解实验,经HPLC检测发现对西维因、呋喃丹、甲基对硫磷及联苯菊酯等具有降解作用,为环境中农药残留的降解奠定了基础。
HPLC detection showed carbaryl , carbofuran , metaphos and bifenthrin were degraded by the recombinant , laying a foundation for the degradation of residual pesticides in environment .
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目的:探讨牛磺酸对呋喃唑酮扩张型心肌病(DCM)大鼠左室心肌胶原重塑的影响及其机制。
Objective : To investigate taurine 's effect on collagen nework remodeling in rats with furazolidone-induced dilated cardiomyopathy .
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结论呋喃唑酮能成功诱发DCM大鼠模型;
CONCLUSIONS : The rat model of DCM can be induced successfully by feeding the animals with furazolidone .
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高产2,5-二甲基-4-羟基-3(2H)-呋喃酮酵母菌株的选育及培养环境的研究
Breeding and Culture Environment of Yeast Strains with High Production of 2 , 5-Dimethyl-4-Hydroxyl-3 ( 2H ) - Furanone
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3-氯-4-二氯甲基-5-羟基-2(5氢)-呋喃酮诱导人胚胎肝细胞ras基因突变
Mutation of ras Genes Induced by 3-chloro-4 - ( dichloromethyl ) - 5-hydroxy-2 [ 5H ] - furanone in Human Fetal Hepatocytes
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各型MRS除万古霉素、呋喃妥因、利福平和林可霉素,对其余药物敏感率(S+I)%较低;
Except Nitrofurantion , Rifampin , Clindamycin and Vancomycin , MRS ( S + I ) % To the rest antibiotics was more less than MSS .
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结果表明,在热加工过程中,葡萄糖、果糖、蔗糖和抗坏血酸均能产生呋喃,pH、温度和加热时间在碳水化合物途径和抗坏血酸途径生成呋喃的过程中起到重要的影响作用。
Results showed that pH , heating temperature and heating time affected profoundly furan formation from solutions of glucose , fructose , sucrose and ascorbic acid in model systems due to thermal processing .
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Fs-90呋喃树脂在甲酸工程中的应用
Application of Furane Resin Fs-90 in Formic Acid Project
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目的:研究水杨醛-N′-(2-呋喃硫羰基)腙铜配合物(CSFC)在兔体内的药物动力学。
Aim To study the pharmacokinetics of cupric bis ( salicylaldehyde 2 furanthiocarboxyhydrazonate ) dichloride ( CSFC ) in rabbits .
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我们采用Pd(OAc)2/AgOAc/DMF体系,研究了噻吩、呋喃和烯烃直接烯基化反应。
We studied the direct alkenylation of thiophenes and furans using Pd ( OAc ) 2 / AgOAc / DMF system .
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线型呋喃香豆素类化合物在人源肠Caco-2细胞模型中的吸收特性
Absorption characteristics of 4 linear furocoumarins across human intestinal epithelial in a model of Caco-2 cell monolayer
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呋喃与CHF3和CClF3构成的分子间卤键的理论研究
The theoretical research on furan and halogen bond in CHF_3 and CClF_3