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- Effects of Several Substituted Phenolic Acids on Transformation of Pentachlorophenol Mediated by Manganese Dioxide 几种取代酚酸对二氧化锰引起的五氯酚转化作用的影响
- Keywords pentachlorophenol;manganese dioxide;transformation;substituted phenolic acids;mechanism; 五氯酚;二氧化锰;转化;取代酚;机理;
- substituted phenolic acids 取代酚
- Under microwave irradiation, meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 摘要在微波辐射下，以对氯苯酚为原料，通过取代酚的醚化、酯化来合成氯醒酯。
- Under microwave irradiation,meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 在微波辐射下,以对氯苯酚为原料,通过取代酚的醚化、酯化来合成氯醒酯。
- Title： Studies on Phenolic Acids from Ilex purpurea Hassk. 关键词：四季青;冬青属;酚酸类;龙胆酸;异香草酸
- Studies on the Phenolic Acid Compounds from Lonicera confusa DC. 山银花中酚酸类成分研究。
- Chlorogenic acid, as a phenolic acid, occurs ubiquitously in food. 氯原酸是一种酚酸,在植物性食物中广泛分布。
- W5001 is a new complex liquid antioxidant of substituted phenol and amine for improving the oxidation stability of gasoline. 新型抗氧剂W5001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。
- The chemselective nitration of substituted phenol was carried out using NaHSO4/NaNO3 as a nitration reagent in water. The products were purified easily in high yields. 以硫酸氢钠和硝酸钠为硝化剂,在水溶液中完成了取代苯酚的硝化反应。硝化产物具有良好的选择性和较高的产率。
- The main secondary metabolites of this genus are proved to be sesquitepenoids,flavonoids and phenolic acids. 该属植物主要次生代谢产物为倍半萜类、黄酮类和酚酸类物质。
- Temporal Change of the Phenolic Acids in Soil with Returning Wheat Residues and Their Effects on the Seedling Growth and the Yield of Summer Corn. 麦秸还田耕层酚酸的时间变化及其对夏玉米幼苗生长和产量的影响。
- The Extracting Conditions and Determination of Total Phenolic Acid in Sedum aizoon L. 景天三七中总酚酸提取条件及含量分析研究。
- Chemically, propolis is exceedingly complex and contains a rich variety of potent terpenes and benzoic, caffeic, cinnamic, and phenolic acids. 从化学成分分析，蜂胶是极度复杂的并且富含了有效的萜烃，安息香酸，咖啡酸，苯乙烯酸和酚酸。
- Structures and anti-histamine activities of phenolic acid derivatives from Bidens parviflora Willd. 小花鬼针草中酚酸类成分及其抑制组胺释放活性
- Both of the two phenolic acids could decrease the permeability and MDA of seedling leaves.They also increased mot activity. 摘要盐胁迫下，适当浓度的两种酚酸均能降低幼苗叶片电导率和丙二醛(MDA)含量，增加根系活力。
- A group of multi substituted phenols were prepared via intramolecular wittig reaction of a kind of long chain phosphonic ylides. 一类含六个碳的长链叶立德通过分子内维蒂希反应可生成含氟多取代苯酚 .
- Abstract: Objective: Observing the effect of phenolic acids from Arnebia euchroma assist mifepristone in anti-earlypregnancy of SD rattus norvegicus. 中文摘要: 目的：观察紫草总酚酸辅助米非司酮对妊娠大鼠的抗早孕作用。
- The inhibition of 18 substituted phenolics to ammonia-oxidizing activity of sediment was measured by means of oscillator test. 利用摇瓶试验考察了18种取代苯酚化合物对底泥氨氧化活性的抑制作用。
- Title： Structures and anti-histamine activities of phenolic acid derivatives from Bidens parviflora Willd. 关键词：药物化学;结构鉴定;柱色谱法;小花鬼针草;奎尼酸;组胺释放
