酚类

Tamarillo phenolics in EA layer also exhibited stronger or compatible inhibitory activity than DL-?

於乙酸乙酯层中树番茄酚类化合物在相同浓度及作用条件下，表现出比正对照组DL-？

The ethanol extract of tamarillo fruit contained a high content of phenolic compounds [ 28.8 ± 0.05 mg catechin equivalents/g dry weight ] and showed a strong DPPH (1,1-diphenyl-2-picrylhydrazyl) scavenging activity [ IC50 = 189.1 ± 1.3 μg/mL ].

树番茄乙醇粗萃物含有高量的酚类化合物 [ 28.8 ± 0.05 mg catechin equivalents/g dry weight ]，并表现出强的DPPH（1，1-diphenyl-2- picrylhydrazyl）自由基清除能力 [ IC50 =189.1 ± 1.3 μg/mL ]。

High Performance Liquid Chromatographic Determination of Major Phenolic Compounds in Mainstream and Sidestream Cigarette Smoke

建立了采用高效液相色谱直接分析卷烟主流和侧流烟气中7种主要酚类成分的方法。

The inhibition effect of 2,2,6,6-tetramethyl-4-hydroxylpiperidine-oxyl and some phenols and quinones on the AIBN initiated radical polymerization of styrene was studied by using dilatomitry method.

用膨胀计法，研究了2，2，6，6-四甲基-4-羟基哌啶氧自由基及一些醌、酚类化合物对偶氮二异丁腈引发的苯乙烯自由基聚合的阻聚效应。结果表明，当 St在80℃聚合时，加入TMHPO·或TMHPO·-BQ，阻聚效果较为显著。

It was first reported that calix [4] pyrroles, as additives in CZE, could affect the separation of halide ions and amino acids.

首次将杯[4]吡咯用作HPLC涂敷固定相，用纯水作流动相，对三种有机阴离子及六种酚类化合物进行了有效的分离。

At the second stage, the maximum mass loss rate occurring at 537.2 degrees C was 0.151 mg/mm. This was the main stage of PF resin pyrolyzing and its total mass loss was 19.57%.

第二阶段，质量损失速率在537.2℃时达到最大值0.151mg/min，共失重19.57%，这是酚醛树脂热分解的主要阶段，释放出H2O、低分子酚类物质、CO2、CH4等低分子烃和CO等热解产物。

Select the Bi-shan red wine origined the world-famous Bordeaux, extract essence full of polyphones and glucose which be of many anti-oxide, Its excellent anti-oxidation function, to protect the cell membrane, while actively and effectively resist the relaxation of skin's ageing, dryness and dullness, leaving the skin keep youthful and healthy.

选用全球著名的波尔多碧姗红酒，萃取之精华富含多酚类和葡萄糖类等多种抗氧化物，其卓越的抗氧化功能，可保护细胞膜；同时积极有效地抵抗皮肤的松弛、干燥、暗沉等各种变化，使皮肤常保青春活力，保持皮肤健康。

The total content of alkanes and aromatics were up to 60.01% 57.86% for poplar leaves and birch leaves with H/C molar ratio 1.79 and 1.89, O/C molar ratio 0.035 and 0.036, and HHV 45.47 MJ·kg~（-1）and 46.03 MJ·kg~（-1）These data shows that the oil from leaves was very similar to petroleum.

树皮样品所得油中碳氢化合物成分总含量有所降低，油的热值也有所降低，大体在40MJ·kg~(-1)左右，但是在树皮所得油中出现了大量的酚类物质，百分含量在40%左右。

Phenols are one of the important secondary metabolism products of plants.

酚类物质是重要的植物次生代谢物质之一。

The pretreatment methods of seven trace phenols in water and the conditions of using high performance liquid chromatography were studied.

摘 要：研究了水中7种痕量酚类物质的前处理方法和采用高效液相色谱分析的色谱条件。

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。