查询词典 naphthol
- 与 naphthol 相关的网络例句 [注:此内容来源于网络,仅供参考]
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To avoid the influence of ammonolysis, alcoholysis and hydrolysis on molecular structure identification, in this paper, derivational estimation is utilized to confirm molecular structures ofβ-naphthol-containing sulfonyl chloride intermediates. Then the structures of corresponding sulfonamide dyes are also confirmed by FTIR,~1H NMR and mass spectrometry.
为了避免磺酰氯化合物发生水解、醇解和胺解等衍生化反应影响磺酰氯化合物分子结构表征,本文采用衍生化反推法证明了β-萘酚结构磺酰氯化合物的分子结构,并利用红外光谱、核磁共振氢谱、质谱表征了含β-萘酚结构磺酰胺染料的分子结构。
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Hope that interested customers contact with me, we must look at the first door-to-door cargo pricing, give you a satisfactory price in cash the company is located in township of pepper, is a specialized recycling enterprises, mainly the acquisition of inventory, backlog, auctions, swaps the dye, pigments, color-based, Naphthol, printing paste, printing and dyeing auxiliaries, Azoic Dyes and various kinds of imported dyes.
希望有意客户与我公司联系,我们一定在第一时间上门看货定价,给你一个满意的价格现金公司位于辣椒之乡,是一家专门回收企业,主要收购库存,积压,拍卖,抵债的染料,颜料,色基,色酚,印花色浆,印染助剂,冰染染料及各种进口染料。
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Protein react with sodium bromate solution and α-naphthol solution in alkali condition to produce red component.
蛋白质在碱性溶液中与次氯酸盐和α-萘酚作用产生红色的产物。
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Chapter 4 comprises two part. Part reports on the manufacture and characterization of glucose oxidase -silver sol-polyvinyl butyral modified platinum electrodes with naphthol green B as an electron transfer mediator in the glucose solution.
将纳米Ag溶胶与聚乙烯醇缩丁醛构成复合固酶膜基质,采用溶胶-凝胶法固定GOD修饰铂丝电极,并以葡萄糖溶液中的萘酚绿B为电子媒介体组成葡萄糖生物传感器。
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Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.
在微波辐射下,以2-萘酚和氯化苄为原料,用氢氧化钠作碱剂,碘化钾作催化剂,水-DMF为溶剂合成了苄基-2-萘基醚;采用单因素实验法,对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。
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A series of novel dendrons with 1,3,5-triazine structure were synthesized by convergent strategy using cyanuric chloride, p-hydroxyazobenzene,β-naphthol, 1-hydroxyanthraquinone, 3,5-dihydroxybenzyl. They were the first generation p-phenyl-azo-phenyloxy-terminated dendron G1.0, the first generation naphthyloxy-terminated dendron G1.0, the first generation naphthyloxy-terminated and 1-anthraquinonoxy-cored dendron G, and the second generation naphthyloxy-terminated dendron G2.0.
以对羟基偶氮苯、β-萘酚为端基,三聚氯氰、3,5-二羟基苄醇为支化单体,1-羟基蒽醌为核心,用收敛法合成了一系列新型结构的含均三嗪环的树枝块:第一代端基为偶氮苯的树枝块G1.0、端基为萘氧基的树枝块G1.0、端基为萘氧基、中心为蒽醌的树枝块G、第二代端基为萘氧基的树枝块G2.0。
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Two different catalysts for oxidative coupling of 2-naphthol to give racemic 1,1′-binaphthene-2,2'-diol were introduced and the yields in different conditions were studied.
介绍了两种在水相中利用2-萘酚氧化偶合制备外消旋1,1'-联-2,2'-二萘酚的催化剂,并对不同反应条件下的产率进行了研究。
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A better understanding of the role of PPAR in insulin action system will be critical in developing more efficacious and safe agent s that act on PPAR and benefit patients with type 2 diabetes. The main content is followed: Synthesis and analysis of 1,3-dicarbonyl compounds. Make use of easily available cheap reagent such as 2-naphthol, 6-hydroxyquinoline, 1,2-dibromoethane, 4- hydroxybenzaldehyde, dimethyl malonate, 2-{4- [(2-napthoxy)ethoxyl] benzyl} malonates and 2-{4 [(1,2,3,4-tetrahydro-6 -quinolinoxy)ethoxyl] benzyl } malonates were synthesized through 6-8 steps in virtue of Williamson, Knoevenagel reaction, Pd/C catalyzed hydrogenation with mild conditions and high yield. The total yield of 40-50%.
本论文的主要内容和研究结果如下: 1,3-二羰基类化合物的合成及分析,采用2-萘酚、6-羟基喹啉、1 ,2二溴乙烷、对羟基苯甲醛、丙二酸二甲酯等常见易得试剂,利用Williamson反应、Knoevenagel反应、钯碳加氢等条件温和且收率高的方法,分别合成了2-{4- [(2-萘氧)乙氧基]苄基}丙二酸衍生物和2-{4 [(1,2,3,4-四氢-6-喹啉氧基)乙氧基]苄基}丙二酸衍生物两个系列8个化合物,经6-8步反应,总收率为40-50%,具有一定绿色化学特性。
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Application of multilinear data analysis to the study of dynamics (Chapter 3– Chapter 4):In Chapter 3 it provided a novel method to determine carbaryl and 1-naphthol in river water and tap water and used this method to investigate the hydrolysis of carbaryl.
多线性数据分析在动力学研究方面的应用第三章应用三线性平行因子分析方法直接检测了河水和自来水中西维因及其降解产物1-萘酚的含量,并应用此方法研究西维因在河水和自来水中的降解过程,得到了满意的结果。
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It is due to the fact that the dual fluorescence emission of excited naphthol group had different quenching constants by ctDNA.
实验结果表明:DNA的引入,对化合物的两种发光峰的猝灭有着不同的速度常数。
- 推荐网络例句
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But we don't care about Battlegrounds.
但我们并不在乎沙场中的显露。
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Ah! don't mention it, the butcher's shop is a horror.
啊!不用提了。提到肉,真是糟透了。
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Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.
Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。