呋喃类

该反应产物的醚溶性成分经GC／MS分析显示，其主要成分为吡嗪类和呋喃类化合物。

The ether soluble compounds of the reaction product were analyzed by GC / MS. The major iden tified compounds were pyrazine and furan compounds .

经过红外光谱分析茶多糖中的糖环构型为呋喃类，环境扫描电镜观察得到茶多糖主要以三种聚集状态存在，AFM观测表明茶多糖为多侧支的树枝状结构。

Through infrared spectroscopy analysis , saccharide ring in tea polysaccharide is furan ring . Morphological features of powder of tea polysaccharide from ESEM exist in three aggregation state . It is found that tea polysaccharide on mica shaped Multi-lateral branch-like structure by AFM .

土壤中二恶英/呋喃类物质的ASE高效提取法

High Efficient Extraction Method of Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans from Soils

呋喃类化合物在离子液体和硅胶负载离子液体中的Diels-Alder反应

Diels-Alder Reaction of Furan Derivatives in Ionic Liquid and on Silica Gel Supported Ionic Liquid

通过对2800个有机化合物的筛选，找到了两个二取代呋喃类的VEGF受体1激酶抑制剂（A1和A5）。

Two thousand eight hundred organic compounds were , screened , and two disubstituted furans ( Al and A5 ) with new structure showed inhibition of VEGF receptor 1 kinase .

但中国出口虾残留监控结果也表明，南美白对虾中残留物质超标项目有氯霉素、硝基呋喃类、铅和砷，检出项目有铅、镉、汞、砷、DDT、六六六和六氯苯。

However , the residual monitoring results of shrimps for export indicated that the level of chloramphenicol , nitrofurans , lead and arsenic was above the standard level .

呋喃西林（Nitrofural）是硝基呋喃类药物的一种。

Nitrofural is a kind of nitrofuran .

应用顶空-固相微萃取（HS-SPME）方法研究中国酱香型白酒酒醅中的呋喃类物质。

Headspace solid phase micro-extraction ( HS-SPME ) method was used to analyze furans in the fermented grains of Chinese sauce-flavor liquor .

采用GC-MS对生成的液体产物成分进行分析后发现，其中含有烷烃类、酮类、醇类、醚类、酯类、呋喃类以及芳香类化合物，含氧量较高。

The main compositions of bio-oil were analyzed by GC-MS. It was found that the bio-oil contained several kinds of chemical compounds , including hydrocarbons , ketones , alcohols , ethers , esters , furans and aromatics and the oxygen content was very high .

采用比较分子力场分析法（CoMFA）和比较分子相似性指数分析法（CoMSIA），系统地研究了40个苯并呋喃类N-肉豆蔻酰基转移酶（NMT）抑制剂的三维定量构效关系。

Using comparative molecular field analysis ( CoMFA ) and comparative molecular similarity indices analysis ( CoMSIA ), three dimensional structure-activity relationship ( 3D-QSAR ) studies were carried out on a series of benzofuran N-myristoyl transferase ( NMT ) inhibitors .

酸类、呋喃类和其它杂类挥发性成分组成百分比增加，醇类减少。

The percentage of acid , furan and other volatile compound increased .

硝基呋喃类、四环素类、氨基糖甙类及喹诺酮类亦较常见。

Nitrofurans , tetracyclines , aminoglycosides and quinolones were also commonly encountered .

苯并呋喃类化合物的合成研究

Studies on the Synthesis of Benzo [ b ] furans

二氢沉香呋喃类化合物结构&活性关系的初步研究

Preliminary studies on the relation of structure & activity of dihydroagarofuran compounds

一锅法合成螺环二醇芳并呋喃类化合物的&锅化合成法

One - pot Synthetic Method of The Benzofuran Compounds

4种硝基呋喃类代谢物的检测限均可达到0.25μg/kg。

The detection limits of nitrofuran metabolites were 0.25 μ g / kg .

将苯环换为萘环，可得到萘并呋喃类化合物。

Replacing the benzene ring with the naphthalene ring , naphthofuran was obtained .

2-取代芳基苯并[b]呋喃类化合物的合成

Synthesis of 2-Arylbenzo [ b ] furan Derivatives

检出较多的杂环化合物，如呋喃类、吡嗪类、吡咯类，以及一些含硫化合物对酱油的风味贡献较大。

Many of them are heterocyclic compounds , such as furan , pyrazine , pyrrole .

该科植物富含生物碱（如异喹啉类生物碱）、挥发油和呋喃类化合物等。

The plants are rich in alkaloids ( isoquinoline alkaloids ), volatile oil and furans .

应用磺胺类和呋喃类药时应注意病人饮食影响

Much importance should be attached to the patients ' diet nursing while sulfonamides and furans used

α-取代呋喃类化合物高分辨~1HNMR特征与取代基效应

The characteristics of high resolution ~ 1hnmr and substituent effects of α - substituted furan compounds

硝基呋喃类药物的结构修饰

Structure modification of nitrofuran drugs

但是研究发现，部分硝基呋喃类药物及其代谢产物具有潜在的致癌、致畸、致突变作用。

However , many nitrofurans and their metabolites have been proven to show potential carcinogenic and mutagenic effects .

文中还讨论了五氯酚中二口恶烷类和呋喃类有害杂质对健康影响的可能性。

The health effect of impurities in Na PCP , dioxins and furans , was assessed and discussed .

虽然各菌株耐药谱不同，但各菌株均对青霉素类、氟喹诺酮类、利福平、糖肽类、硝基呋喃类敏感。

All of the isolates were sensitive to Penicillins , Fluoroquinolones , Rifampicin , Glycopeptides , and Nitrofurans .

沉香呋喃类立体异构体的气相色谱及气-质联用分析研究

The qi ( vital energy ) studies on the analysis of stereoisomer of agarofurans by GC and GC-MS

我们使用价格低廉、高效无毒的铈盐作为催化剂，有效合成了四取代呋喃类化合物。

We use cerium ( III ) compounds as the catalyst , to proceed the synthesis of four substituted furan compounds effectively .

选择从卫矛科南蛇藤属植物中分离的11个二氢沉香呋喃类纯化合物进行了结构&活性关系的初步研究。

The studies on the relation of structure-activity of 11 dihydroagarofuran compounds from Celastraceae Plants have been carried out in our laboratory .

建立了中华绒螯蟹中硝基呋喃类代谢物残留量的液相色谱&串联质谱检测方法。

A high-performance liquid chromatography-tandem mass spectrometric method is established for the determination of metabolites of nitrofurans residues in Chinese Mitten Crab .