水杨醛
- 与 水杨醛 相关的网络例句 [注:此内容来源于网络,仅供参考]
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For the past years,our products such as Salicylal,Di-tert-butyl dicarbonate,sodium tertbutoxide,Phosphorus trichloride,Trichloromethyl chloroformate enjoy superior reputation home and abroad,some products even fill the domestic blank,products are sold to more than 20 domestic provinces and to japan,Europe,South America,etc.
本厂生产的氧氯化磷、三氯化磷、水杨醛等系列产品以优质的质量享誉国内外,多年以来,我厂依靠科技兴厂,始终坚持&质量第一,用户至上&的宗旨。
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A kind of compound SRBH,which was synthesized from rhodamine B, hydrazine hydrate and salicylaldehyde,and SRBH is non-fluorscent naturally.However,the fluorescent extensity of SRBH was enhanced more than hundredfold when the ion of Crwas added to acid solution, therefore SRBH can be tested for Crin acid solution.
介绍了一种化合物SRBH,由罗丹明B,水合肼和水杨醛合成,该化合物本身为非荧光性的,但是当在酸性环境下加入铬离子后,其荧光强度可以增加上百倍,因此可以用该化合物检测水溶液中的铬离子。
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This polymer catalyst was used in the aerobic oxidation of cyclohexene under mild conditions.
合成了聚苯乙烯担载的酪氨酸水杨醛希夫碱钴配合物,并研究了该高分子金属配合物对分子氧氧化环己烯的催化性能。
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The results of the herbicidal effects study display that 1,4-dioxoquinoxaline formaldehyde-salicylic aldehyde dihydrazone and 1,4-dioxoquinoxaline formaldehyde acetone dihydrazone have obvious herbicidal activity.
研究结果表明1,4-二氧喹喔啉-2-甲醛-水杨醛双腙和1,4-二氧喹喔啉-2-甲醛-丙酮双腙表现较明显的活性,在500mg/L浓度时对稗草的株防效分别为51.3%和55.0%;对油菜株防效较弱,分别只有33.5%和17.5%。
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They were used as solid catalysts in the esterification of phosphoric acid with equimolar lauryl alcohol to monoalkyl phosphate ester.
结果表明,采用L^1-Mn-SiW(L^1:双水杨醛缩-1,6-己二胺)催化剂,在优化的反应条件下,酯化反应可获得93%的MAP收率和高达98%的MAP选择性。
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Keywords 5-nitrosaicy|aldehyde polyphosphoric acid formylation Duff reaction
5-硝基水杨醛;多聚磷酸;甲酰化; Duff反应
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Four new salicylaldehyde derivatives with a glucose or mannose moiety were synthesized with 2-tert-butylphenol or 4-tert-butylphenol as the starting material, followed by the formylation, chloromethylation, nucleophilic substitution reaction with the desired carbohydrate. The salicylaldehyde derivatives condensed with ethylenediamine to give the Schiff bases, which coordinated with Mn to afford four novel sugar-based Salen Mn complexes.
首先,分别以2-叔丁基苯酚和4-叔丁基苯酚为起始原料,经过甲酰化反应、氯甲基化反应、和糖类衍生物的亲核取代反应制得了四种新型并入葡萄糖基或甘露糖基的水杨醛衍生物,将它们与乙二胺缩合生成希夫碱配体,得到的配体与过渡金属Mn~(3+)配位制备出四种新型含糖基的Salen Mn配合物。
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These conditions included original material source, reagent ratio, base solutions, power of the microwave, reaction time and so on.2, Chitosan obtained from above was modified by Schiff base type macrocycles, which was prepared by the reaction of the reagents of salicylaldehyde, glacial acetic acid, hydrobromic acid, chloroepoxy propane and the others.
反应的最优化条件为:物料比1:25;反应时间20min;NaOH溶液浓度为50%;微波功率为450w。 2、利用原料水杨醛、氢溴酸、冰醋酸等采用四步法合成了含羟基的Schiff碱型大环化合物,然后以取代方法将此Schiff碱型大环化合物负载到壳聚糖上,得到具有特殊结构与性能的壳聚糖衍生物,并得到各中间产物的红外光谱图。
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The studies showed that the optimum conditions of the reaction were the amount of the 75% gathers the phosphoric acid 30 mL,the mole ratio ofhexamethylene tetramine to nitrophenol was 2∶1,the reaction time was about 3.0 hours,the reaction temperature was about 105℃.
结果表明较佳反应条件是:在对硝基苯酚为3.5 g的情况下,75%的多聚磷酸用量为30 mL,n∶n=2∶1,反应时间为3.0 h,反应温度105℃,5-硝基水杨醛的产率可达68.1%。
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DFT Study on Heterobinuclear Cu-Co Complex of N,N'-bis (3-carboxyl Salicyl Aminal Ethylene) Oxalamide
篇名 N,N'-双(3-羧基水杨醛叉缩胺乙基)草酰胺Cu-Co异双核配合物的密度泛函研究
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。