The substance was synthesized from P-hydroxybenzoic acid through three steps.
该物质以对羟基苯甲酸为原料，经三步合成。
Ferulic acid (FA) and p-coumaric acids are phenolic antioxidants present in a variety of plants.
阿魏酸（FA）和对香豆酸是存在于多种植物中的酚类抗氧化剂。
Study the best method for extraction of p-coumaric acid in Oldenlandia diffusa Roxb.
研究提取白花蛇舌草对香豆酸的最佳方法。
The distilled water was added to the sulfonation liquid to obtain p-toluenesulfonic acid crystal.
将蒸馏水加入磺化液中，得到对甲苯磺酸结晶。
The synthesis of feruloylated monoacylglycerol catalyzed by P-Toluene sulfonic acid was investigated.
研究了对甲基苯磺酸催化合成阿魏酸单甘油酯的工艺。
The companies highlighted the opportunity for the partnership in switching prescription drugs to become over-the-counter brands, something that P&G did with stomach-acid drug Prilosec years ago.
这两家公司强调了合作能够增加把处方药变成非处方药品牌的机会。宝洁公司过去对其抗胃酸药Prilosec也是这么做的。
The best technical process and parameters in taking acid treated stellerite as raw material to synthesize zeolite P are confirmed.
确定以酸处理红辉沸石为原料合成P型沸石的工艺流程和技术参数。
The decolorizing property of P(AM-DMC)is better in faintly acid and neutral conditions of dye solution.
在染料溶液为弱酸性及中性条件下，P（AM-DMC）的脱色效果较好。
P-deficiency stress induced malic acid exudation from pigeon pea roots.
低磷胁迫下，根系可分泌苹果酸。
The phenolic acids used were vanillic acid, vanillin and P-hydroxy benzoic acids for studying the effects of phenolic acids on the growth and activities of protective enzymes of muskmelon.
以嫁接在云南黑籽南瓜砧木上的伽师甜瓜为试材，探讨香草酸、香草醛和对-羟基苯甲酸为代表的酚酸类物质对嫁接伽师瓜植株和保护酶活性的影响。
Main Components: P. G. B, hyaluronic acid, natural moistening elements and ect.
主要成份：植物黄金体p.g.b、透明质酸、天然保湿因子等。
In this paper, the affects of temperature and ultraviolet light on the stability and mildewproof effect of sorbic acid and ethyl-p-hydroxybenzoate used as food preserving agent, was studied.
本文研究了温度和紫外光对食品防腐剂山梨酸、对羟基苯甲酸乙酯的稳定性和防霉效果的影响。
The results show that the distribution of labile and moderately labile pool in organo-mineral complexes of different soils is related to the contents of nucleic acid-P and inositol-P.
不同土壤有机矿质复合体中活性磷和中等活性磷的分布，与有机磷化合物中的核酸磷和肌醇磷的含量有关。
The content of P in melamine phosphate and the retained acid in melamine cyanurate were analyzed.
并对磷酸三聚氰胺中的磷含量、氰尿酸三聚氰胺中无机酸残留量的做了分析测定。
Analysis of the P-40 amino acid sequence showed it is identical to the human annexin I (Anx-I) protein.
通过分析p - 40的氨基酸序列，我们发现它和人类膜联蛋白i结构相同。
In this paper, the solid-solid state reaction of 2,2'-(p-phenylenedimethylenethio) diacetic acid with copper acetate monohydrate was studied.
本文研究2，2’-对苯二甲硫基二乙酸与一水醋酸铜在低热温度下发生的固-固相配位化学反应。
A series of polyester based liquid crystalline ionomers(LCI) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation.
对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应，获得一系列不同离子含量的液晶离聚物。
Patrinia, Isatis root and complex prescription also significantly or very significantly inhibited exudation of dyestuff induced by acetic acid in mouse's abdominal cavity (P<0.05, P<0.01).
败酱草、板蓝根和复方组还可显著或极显著地抑制醋酸所致小鼠腹腔染料渗出（P<0 05，P<0 01）。
Effect of interaction between organic acid and P on the growth and the P and Zn contents of alfalfa Medicago sativa l.
采用田间试验方法，研究了在锌同一施用量条件下，有机酸-磷配合施用对紫花苜蓿生长及对磷锌元素吸收的影响。
In the Presence of acetic acid, P-anisidine reacts with aldehydes Producing a yellowish color.
在乙酸存在下，p -茴香胺与醛类反应产生黄色。
Phenyl carboxylic acid was produced by oxidation of phenyl formaldehyde using hydrogen peroxide as oxidizing agent and amine hexadecane trimethyl P-W heteropoly acid as catalyst.
以过氧化氢为氧化剂，十六烷基三甲基钨磷杂多酸铵为催化剂，催化氧化苯甲醛制苯甲酸。
The modified silicone was hydrolysed by toluene-p-sulfonic acid, and the hydrolysis ratios in acid and base were compared.
用对甲苯磺酸酸式水解烃羧酸甲酯基和烃羧酸高碳醇酯基双官能基硅油，并和碱性水解的效果比较。
Methods The substance was synthesized from P-hydroxybenzoic acid through three steps, those are etherification, preparation of acyl halide and amidation of the raw material.
方法以对羟基苯甲酸为原料，经三步合成，即原料的醚化、酰氯制备和酰胺化。
With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
本文研究了以对甲苯磺酸为催化剂，氯苯为溶剂，室温附近的条件下，苯酚及对叔丁基酚与甲缩醛反应的动力学。
Purified terephthalic acid, one of the main raw materials of polyester, is produced by p-xylene liquid phase oxidation.
精对苯二甲酸是聚酯工业的主要原料，目前主要采用对二甲苯空气氧化法生产。
This paper reports a novel, simple, rapid and accurate method for determination of 4-CBA and p-TOL in purified terephthalic acid by capillary electrophoresis.
报道了利用毛细管电泳技术检测精制对苯二甲酸中的主要杂质4-羧基苯甲醛和对甲苯甲酸的方法。
The orthogonal design was utilized to study the hexadecyl acrylate synthesis by microwave irradiation using acrylic acid and hexadecyl alcohol as raw materials and toluene-p-sulfonic acid as catalyst.
利用正交设计法研究由丙烯酸和十六醇为原料，对甲苯磺酸为催化剂，采用微波加热法合成丙烯酸十六酯。
Glycerol triacetate was synthesized from glycerol and acetic acid using p -toluene sulphonic acid as catalyst and toluene as water-carrying agent.
以丙三醇和乙酸为原料，用对甲苯磺酸作催化剂，甲苯为带水剂，合成三醋酸甘油酯。
Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoic acid in the presence of vitamin C.
以维生素C为催化剂， 对羟基苯甲酸和十六醇及十八醇为原料合成尼泊金十六酯与尼泊金十八酯。
Nipagin esters were synthesized by the esterification of dodecyl and octadecyl alcohol with p -hydroxybenzoic acid in the presence of vitamin C.
以维生素C为催化剂， 对羟基苯甲酸和十六醇及十八醇为原料合成尼泊金十六酯与尼泊金十八酯。
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