查询词典 catechol
- 与 catechol 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Synthesis of terpene-catechol resin from terpene resin and catechol was reported in this paper.
以萜烯树脂和邻苯二酚为原料,合成了萜烯-邻苯二酚树脂。
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However, the PPD film prepared in acidic solution could penetrated catechol, in which reaction of catechol is irreversible.
因此,在离子液体中制备的聚邻苯二胺膜对邻苯二酚具有更好的稳定性。
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Purpose To study the electrochemical behavior of catechol at poly modified electrode and to establish a voltammetric method for the determination of catechol.
目的 研究儿茶酚在聚刚果红修饰电极上的电化学行为,建立儿茶酚的伏安测定方法。
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PurposeTo study the electrochemical behavior of catechol at poly modified electrode and to establish a voltammetric method for the determination of catechol .
目的研究儿茶酚在聚刚果红修饰电极上的电化学行为,建立儿茶酚的伏安测定方法。
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Catechol with high deoxidize ability is an important chemical intermedia.
邻苯二酚(Catechol,1,2-benzenediol,以下简称CAT)是一种重要的化工中间体。
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The effect of aqueous ethanol (50% v/v) on the activity of purified mushroom polyphenol oxidase has been found to be as follows:(1)The oxidation of catechol or pyrogallol is greatly stimulated,an increase in the rate of oxygen uptake of over 100% having been invariably observed with catechol as the substrate,whereas the oxidation of other substituted o-dihydric phenols is inhibited in 50% ethanol.
三无论有无抗坏血酸的存在,50%乙醇对多酚氧化酶活力的提高程度是一样的,在有一定量的抗坏血酸的存在下,多酚氧化酶对儿茶酚的 Michaelis 常数(25℃)在水溶液及50%乙醇溶液中各为0.072×10~(-3)M 及0.49×10~(-3)M。
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In conclusion, a catechol moiety is presumably to be essential for its activity and substitution of the p-hydroxybenzyl group at C-1 position with correct stereochemistry in the isoquinoline molecule makes a great contribution to the activation of beta adrenergic receptors.
本实验初步结果发现,对於去甲基乌药碱分子之药效,catechol基是必备无疑;而异喹啉环的碳-1位置上取代的p-hydroxybenzyl基对於药效有非常大的影响;至於其立体化学的配位是有立体选择性的。
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The qualitative and quantitative analysis of schizophrenia and single nucleotide polymorphism of catechol-O-methyltransferase , Proline Dehydrogenase and DYSBINDIN genes were done by using transmission disequilibrium test . Results:(1) The symptoms of first-episode schizophrenia were divided into four independent symptom dimensions: psychomotor poverty, reality distortion, disorganisation and depression-anxiety.
4采用传递不平衡检验、单倍型传递不平衡检验和定量性状传递不平衡检验的方法对6号、22号染色体上3个候选基因,即儿茶酚氧位甲基转移酶(catechol-O-methyltransferase,COMT)、脯氨酸脱氢酶(Proline Dehydrogenase,PRODH)和DYSBINDIN基因的9个单核苷酸多态性(single nucleotide polymorphism,SNP)位点与精神分裂症、神经认知功能、人格特质和临床症状表现的关系进行了定性和定量的遗传学分析。
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Anion exchange resin was not suitable for the separation as stationary phase due to the strong adsorption toward catechol.The chemicals of eluates were measured by UV and IR.Terpene-catechol resin can be used for preparing copolymeric coating from terpene-catechol resin with raw lacquer.
通过对洗脱液进行紫外光谱分析,表明用中性氧化铝作固定相,分别用汽油、乙醇和NaOH-乙醇溶液洗脱,能较好地分离萜烯树脂和萜烯-邻苯二酚树脂。
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Results showed that terpene-catechol resin could be synthesized directly with the proposed method.The synthesized terpene-catechol resin could be separated from terpene resin and catechol on neutral alumina column with petroleum,absolute ethanol and 5% NaOH-ethanol solution as eluates.
采用柱层析法分离萜烯树脂和萜烯-邻苯二酚树脂,分别采用中性氧化铝和强碱性阴离子交换树脂作固定相,汽油、乙醇、NaOH-乙醇溶液作洗脱剂对萜烯树脂和萜烯-邻苯二酚树脂进行分离提纯。
- 推荐网络例句
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Do you know, i need you to come back
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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。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
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