目的：观察对乙酰氮基酚对肝细胞损伤的影响及阿魏酸钠的保护作用。
OBJECTIVE: To observe the influence of paracetamol on primary cultured hepatocytes and hepato-protective action of sodium ferulate.
新型抗氧剂W5 0 0 1是一种含取代基酚胺复合型液体抗氧剂，用于提高汽油氧化安定性。
W5001 is a new complex liquid antioxidant of substituted phenol and amine for improving the oxidation stability of gasoline.
乳化体系采用烷基硫酸盐、烷基苯磺酸盐等阴离子乳化剂与烷基酚基聚氧乙烯醚、聚乙烯醇等非离子乳化剂进行复合使用。
Emulsifying system using alkyl sulfates, alkyl benzene sulphonate and so on as negative ion surfactant to compound with alkyl, phenolic group polyethylene and polyvinyl alcohol.
他富含一种叫做多酚的化学物质，其可以减少自由基从而降低细胞和DNA损害。
It contains chemicals called polyphenols that reduce the presence of free radicals, which cause cell and DNA damage.
对人尿样中的BPA(双酚基丙烷，双酚a)含量测定表明其会引起较高的心血管疾病风险。
A second study links BPA measured in human urine to a higher risk of cardiovascular disease.
这表明该苹果多酚提取物是一种优良的天然抗氧化剂和自由基清除剂。
The results suggested that the apple polyphenol extracts was an excellent natural antioxidant and free radicals scavenger.
本文探讨了羊毛偶合反应染色新方法，即重氮化羊毛与色酚的偶合染色以及预处理羊毛与重氮化色基的偶合染色。
This paper studies the coupling reaction method of dyeing the wool, i. e. the diazotized wool coupling with Naphtol and the pretreated wool coupling with the diazotized base.
同时测定了炭黑表面羧基、酚羟基、内酯基等酸性含氧基团的含量。
The contents of carboxyl, phenol hydroxyl, and lactones groups on carbon black surface have been determined.
芝麻中的木酚素类物质不但具有阻断自由基反应的抗氧化性能，而且已经证实具有很多生理功能。
The ligum in sesame not only has the antioxygenic activity that blocks the free radical reaction but also has been proved to have many physiological function.
提取物中总黄酮和多酚类物质的含量与清除羟自由基能力有密切关系。
There are close connection between the hydroxyl radical scavenging activity and flavonoids content or polyphenols content.
研究表明，棓酰类多元酚可与铝形成络合物，其络合物是铝和棓酰基中苯三酚的邻位二羟基形成的，它是稳定的五员螯合环结构；
It is show that the complexes of galloyl type hydrolysable tannins with aluminum are formed which involve five-member ring stably formed adjacent hydroxyl groups in galloyl to aluminum atoms.
目的：探讨丹参二萜醌对邻苯三酚自氧化反应产生的氧自由基的作用。
Object: to observe the oxygen derived free radicals scavenging of diterpenoid tanshinones by pyrogallol autoxidation systems.
目的：观察异丙酚与安氟醚、七氟醚静吸复合麻醉对氧自由基的影响。
Objective: To investigate the effect of propofol enflurane and propofol sevoflurane combined anaesthesia on oxygen derived free radicals.
酚类和酰基苯胺能被极稀的硝酸硝化。
Phenols and anilides can be nitrated with very dilute nitric acid.
恒顺香醋乙酸乙酯萃取物具有弱自由基清除活性，主要清除活性成分为酚性和酸性化合物。
An ethyl acetate extract of Hengshun aromatic vinegar (he) exerted a weak radical scavenging activity, and the main components were phenolic and acidic compounds.
用四溴双酚a、环氧氯丙烷和丙烯酸为原料合成了阻燃型乙烯基酯树脂，其阻燃性能良好。
Flame retardant vinyl ester resin using tetrabromo bisphenol a, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
在硝基邻位上存在的氢键给体如胺基，酚基时，总与硝基形成分子内氢键。
Donors such as amine and phenolic groups, when positioned ortho to a nitro group, are always involved in intramolecular hydrogen bonding.
尿香草基苦杏仁酸和血儿茶酚胺定性诊断阳性率为73% ，93%。
The positive sensivity of urinary VMA was 73%, and blood catecholamine was 93%.
另外，在培养基中附加0.1%AC，对吸附酚类物质、防止外植体褐变、促进生札均有显著秃粟。
In addition primary medium supplemented with 0.1 % ac was efficient for adsorption to phenolic substances, prevention of explants Browning and acceleration of rooting.
对两种不同的蚂蚁窝进行甲醇提取，并对提取物进行了急性毒性、抗自由基，酚含量、还原能力和抗菌活性的检测。
Methanol extracts of two kinds of formicary were investigated for their free radical scavenging activities, total phenolic content, reduction power and antimicrobial activities.
血儿茶酚胺和尿香草基苦杏仁酸增高者分别为68％，84％。
The positive sensitivity of blood catecholamine was 68% , and urinary VMA was 84%.
表明，酚类物质是杨梅清除活性氧自由基的关键成分。
It is suggested that TP is the key ingredient of arbutus to scavenge active oxygen free radical.
对铁基复合氧化物催化苯酚羟基化合成苯二酚反应过程酚焦油的生成反应进行了模拟研究。
The simulating study of the formation and inhibition of phenolic tars in the process of diphenols preparation by hydroxylation of phenol with iron-based composite oxides as catalyst was conducted.
对苯二酚对盐基胶体钯活性和稳定性无明显影响。
Methanol decreases the activity and stability of salt - based colloid palladium, and hydroquinone has less effect.
对苯二酚对盐基胶体钯活性和稳定性无明显影响。
Methanol decreases the activity and stability of salt - based colloid palladium, and hydroquinone has less effect.
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