酚类

GC-MS shows that chlorophenol and chloroguaiacol are found in the spent liquors of the first two stage (chlorination and caustic extraction). After the mixed bleaching effluents are treated by white-rot fungus P.

GC-MS分析结果表明，苇浆CEH漂白的氯化段和碱抽提段废水中均含有氯代酚和氯代愈疮木酚，而次氯酸盐处理段废水中，没有检出氯化酚类化合物。

Confusa were higher than those of C. japonica. Among the organic components of wood vinegar, the acetic acid of acidic fraction, 2-methoxy-phenol of phenolic fraction for C. japonica and 2,6-dimethoxy-phenol for A. confusa, and 1,2-benzenediol and its derivatives of natural fraction were the main compound of each fraction.

各种木醋液有机成分之酸性物质均以醋酸为主，酚类物质在柳杉木醋液以2-甲氧基酚(2-methoxy-phenol)为主，相思树则以2，6-二甲氧基酚(2，6-dimethoxy-phenol)为主，各种木醋液中性物质均以1，2-benzenediol及其衍生物含量最多。

Based on the endocrine disrupter characteristic of alkyl phenol compounds, the short chain alkyl phenol compounds still have estrogen hormone effect, and their environmental effect must be pay attention in the pollutant control of NP.

根据烷基酚类物质的内分泌干扰特性，短链烷基酚仍然具有雌激素活性，因此在壬基酚污染防治过程中应给与足够的重视。

Xylem: Chinese P.chinensis Bge 49.15mg/g, Atlantic Ocean 46.58mg/g, UCB 55.28mg/g. 3.In certain condition, Gas-chromatograms and Mass spectrum are use to identifie phenol. Pistacia vera L .leave contain pyrocatechol 0.7640mg/g, pyrogallol 0.0580mg/g, gallic acid 1.03024mg/g, catechin 0.1040mg/g and coumaric acid by different pre-treatment methods.

采用不同方法提取阿月浑子叶片酚类物质，气相色谱-质谱法对其进行定性与定量分析，阿月浑子叶片中含有邻苯二酚0.7640mg/g；邻苯三酚0.0580mg/g；没食子酸1.3024mg/g；儿茶素0.1040mg/g，香豆酸；确定了最佳的前处理方法。

The free phosphonic groups shielded most of the Lewis-acid sites on the surface of zirconia and imparted negative charges on the surface at high pH, resulting in excellent resolution for phenols and a great improvement for the separation of benzoic acids.

在该固定相上，酸性化合物的色谱性能得到明显改善，硝基酚、苯二酚等在氧化锆上通常难以洗脱的酚类化合物，均得到了高效分离。

Leave;phenol content changes in different parts of Pistacia vera L. and P.chinensis Bge in the growth process;phenol extracte, identificate;browning change in cell ultrastructure of the tissue.

其内容包括阿月浑子总酚提取方法，不同组织中的总酚在生长过程中的动态变化；酚类物质的提取、鉴定；褐变发生时组织细胞超微结构的变化。

In comparison with the pure standards and the retention indices RI(subscript s reported in the literature, a total of 302 volatile compounds were identified in Changyu XO brandy, including 30 alcohols, 35 aldehydes and ketones, 20 carboxylic acids, 104 esters, 24 substituted benzenes and derivatives, 14 phenolic derivatives, 14 acetals, 16 furan derivatives, 22 terpenic and norisoprenoidic derivatives and 23 others.

实验先采用液－液萃取方法提取张裕XO级白兰地的挥发性成分，然后将酸性成分与碱性和中性成分分离，再采用柱色谱分离手段将其分离为若干个级分并浓缩，采用气相色谱-质谱、标准品比对、保留指数值比较等方法对分离得到的各级分中的成分进行了鉴定，在白兰地中共鉴定出302种挥发性成分，包括醇30种、醛酮类35种、酸类20种、酯类104种、苯同系物及其衍生物24种、酚类14种、缩醛14种、呋喃类16种、萜烯类22种和其他物质23种。

The neutral/basic fraction was furthermore separated into 4 fractions using silica gel normal phase chromatography, and each fraction was then concentrated and analyzed using gas chromatography-mass spectrometry. In comparison with the pure standards and the retention indices reported in the literature, a total of 302 volatile compounds were identified in Changyu XO brandy, including 30 alcohols, 35 aldehydes and ketones, 20 carboxylic acids, 104 esters, 24 substituted benzenes and derivatives, 14 phenolic derivatives, 14 acetals, 16 furan derivatives, 22 terpenic and norisoprenoidic derivatives and 23 others.

实验先采用液-液萃取方法提取张裕XO级白兰地的挥发性成分，然后将酸性成分与碱性和中性成分分离，再采用柱色谱分离手段将其分离为若干个级分并浓缩，采用气相色谱-质谱、标准品比对、保留指数值比较等方法对分离得到的各级分中的成分进行了鉴定，在白兰地中共鉴定出302种挥发性成分，包括醇30种、醛酮类35种、酸类20种、酯类104种、苯同系物及其衍生物24种、酚类14种、缩醛14种、呋喃类16种、萜烯类22种和其他物质23种。

Totally, 147 flavor compounds, which comprised of 17 acids, 12 alcohols, 16 aldehydes, 36 esters, 12 furans, 13 ketones, 14 miscellaneous compounds, 8 phenols, 6 pyrans, 4 pyrazines, 3 pyrroles, 6 sulfur-containing compounds, were identified.

共鉴定出147种风味化合物，其中酸类17种、醇类12种、醛类16种、酯类36种、呋喃12种、酮类13种、杂环化合物14种、酚类8种、吡喃6种、吡嗪类4种、吡咯3种、含硫化合物6种。

In recent years, the foreign producers of organic pigment increased the capacity of high performance organic pigments, including the types of perylene series , isoindolinones, quinacridones, copper phthalocyanines, anthraquinones, dioxazines, special azo dyes and high performance naphthols.

近几年，国外有机颜料生产公司增加了高档有机颜料的生产能力，生产的高档有机颜料品种包括苝系、异吲哚啉酮类、喹吖啶酮类、铜酞菁类、蒽醌类、二噁嗪类、特殊偶氮类和高档色酚类。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。