hydroxyl相关论文
采用水化微量热仪、电导率仪和X射线衍射仪研究了羟基羧酸类缓凝剂分子结构中羟基和羧基对水泥水化的影响,并对缓凝剂的吸附和络合......
As the oil crisis and environment concerning deepen,the uses of renewable resources have attracted considerable attentio......
The metal-organic framework Zn4O[1,4-benzenedicarboxylate]3(Zn4O[CO2-C6H4-CO2]3,commonly known as MOF-5,was prepared by ......
Relationships between the structure characteristics of natural p-terphenyl com- pounds isolated from three edible mushro......
Antioxidant activities of the 95% ethanol extract from Caesalpinia sappan heartwood (ECS), pro-tosappanin A, protosappan......
The chemical constituents of the stems of Schisandra sphenanthera are described for the first time.This investigation ha......
A new dicaffeoyl quinic acid,nannoglottisin A,has been isolated from an endemic plant of Nannoglottis ravida,and the str......
A new triterpenoid,possessing a lanost-9(11)-3-one skeleton,was isolated from the roots of Kadsura coccinea,based on the......
Two new steroidal alkaloids,veraussines A(1) and B(2) were isolated from the roots and rhizomes of Veratrum nigrum var.u......
Ursolic acid was modified at C3 and C28 position to obtain fourteen derivatives including twelve novel compounds, and th......
A novel phenylpropanoid glycoside,Callicarposide A has been isolated from the aerial parts of Callicarpa kwangtungensis ......
Protein nanoparticles containing Cu(Ⅱ) and DOX for efficient chemodynamic therapy via self-generatio
Chemodynamic therapy (CDT) refers to generating hydroxyl radical (·OH) in tumor sites via hydrogen peroxide (H202) cata......
Jerusalem artichoke is an economic crop widely planted in saline-alkaline soil. The use of Jerusalem artichoke is of gre......
The hydrogen and oxygen isotopic compositions of hydroxyl in clay mineral from a weathering profile:
Recent studies suggest that the hydrogen and oxygen isotopic compositions of clay minerals can indicate paleoclimate.Her......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Many primary, secondary, tertiary alcohols, and phenolic hydroxyl groups were effectively converted to their correspondi......
Objective To investigate the kinetic rate constants ozone and hydroxyl radicals towards two groups of antimicrobials -su......
ObjectiveTo evaluate the influence of an extract ofGenista tinctoria L. herba (GT) or methylparaben (MP) on histopatholo......
Many primary, secondary, tertiary alcohols, and phenolic hydroxyl groups were effectively converted to their correspondi......
采用引入Hubbard参数U修正的密度泛函理论(DFT+U)方法,对水分子在二氧化铈(111)表面的吸附作用进行了研究.计算结果表明:在氧化的......
目的将Cu2+掺杂于介孔二氧化硅纳米颗粒,制备出可促进肿瘤细胞内芬顿反应、具有化学动力学疗效的硅酸铜纳米平台,并验证其肿瘤杀伤......
采用循环伏安法(CV)研究了2-甲基-1,4-萘醌(MNQ)在不同羟基质子性溶剂中的电化学氧化还原反应。结果表明:MNQ在C2H5OH、CH3COOH中......
运用含时密度泛函B3LYP方法6-31G(d)基组水平上,计算了二氧化硅一维纳米材料单链(1NL)、双链(2NL)以及含羟基单链(1NLW)、双链(2NLW)与尺寸相......
9-羰基-(E)-2-癸烯酸和9-羟基-(E)-2-癸烯酸为蜂王信息素的主要组分,以1-苯磺酰基.2-丙酮和5-溴戊酸乙酯为原料,通过烷基化、羰基保护、还......
利用环氧丙醇对介孔二氧化硅SBA-15的表面进行碳羟基修饰,然后以此为引发剂,异辛酸亚锡为催化剂,分别引发己内酯(CI.)及氨基甲酸苄基酯-......
通过氧化安定性方法考察了不同多元醇酯、羟值、温度、氧化时间、氧气和抗氧剂对新戊基多元醇酯氧化安定性的影响,结果发现:双季戊......
以金红石型TiO2(TIO-R)、葡萄糖及FeC204为前驱物,在氩气气氛中煅烧制备Fe-C-TiO2催化剂,以内分泌干扰物阿特拉津作模型污染物,研究Fe-C......
以新泰市石河庄硫铁矿为例,在蚀变异常找矿的地质依据和蚀变异常提取的波谱依据的指导下,采用去干扰主分量门限化技术对ASTER遥感......
制备针铁矿和赤铁矿的混合晶质氧化铁(CIO)和不同摩尔比例(R)的Mn~(2+)掺杂晶质氧化铁(CIO-Mn_x(x=0.1、0.2、0.3和0.5))样品。根......
以硝基苯为代表性有机污染物,对比了臭氧化和O3/H2O2高级氧化工艺对水中硝基苯的去除效果.发现与臭氧化相比,O3/H2O2高级氧化工艺......
以常压有机溶剂置换(A)和溶剂置换.表面改性(B)方式制备的两种SiO2气凝胶(SiO2-A(或B)型气凝胶,记为SiO2-A(orB)G)为载体,采用常规浸渍法和聚乙......
采用含时密度泛函理论和分子动力学非绝热自洽耦合的方法,全微观研究沿垂直羟基分子轴向入射初动能为15 eV的质子与羟基碰撞过程的......
以番红为氧化还原指示剂,用Fenton反应法,通过研究番红用量、样液用量、pH值和维生素C对反应体系吸光值的影响,改进Fenton法以建立......
采用高压塑片的方法制备了一种PbO2电极,用X衍射、扫描电镜、火焰原子吸收分光光度法对该电极性能进行了考察,并探讨了该电极降解硝......
用臭氧类高级氧化剂O3/H2O2对含有丁基黄药的模拟选矿废水进行了处理。考察了O3和H2O2的用量、溶液pH值、丁基黄药初始浓度、常见难......
将苯甲基化木粉溶于四氢呋喃中,可以代替聚醚多元醇制备热固性材料.以木材溶液的羟基值为指标,针对下层粘稠状物质,考察了不同溶液......
A novel neolignan, biondinin A, was isolated from the flower buds of Magnolia biondii Pamp. The structure was establishe......
在超声波/零价铁体系中,以五氯酚为目标污染物,分别对各种形态铁离子浓度和羟基自由基表观生成率进行了定量测定,探讨了超声波与零价铁......
通过对文蛤胰蛋白酶解物中的小分子肽进行Sephadex G-15凝胶层析,利用Fenton体系测定洗脱液对产生的.OH的清除效果,找出具有活性的......
以对苯二酸作为Pt/TiO2光催化反应所产生的羟基自由基(·OH)的捕获剂,采用荧光技术考察外加磁场对羟基自由基(·OH)生成速......
设计了系列羟基、羧基功能化离子液体作为催化剂催化环氧化合物与CO2的环加成反应,研究了催化剂结构与其催化性能的关系.以环氧丙......
采用紫外分光光度法测定硝酸盐氮时,三价铁对测定结果有很大影响,干扰强度随着三价铁浓度的增加、硝酸盐浓度的降低而增加;三价铁......
电(类)Fenton技术作为一种高级氧化技术,已经成为难降解有机废水处理领域的研究热点。其可通过阴极曝气的方式原位持续在线生成双......
主要介绍了玻璃中羟基含量对玻璃性能的影响,以及高档电子玻璃生产中羟基控制的重要意义,同时分析了空气助燃的窑炉和纯氧窖炉中影响......
二酪氨酸是酪氨酸氧化的标志性产物。为研究影响羟基自由基诱导酪氨酸氧化的因素,采用同步荧光光谱结合二维相关技术研究羟基自由......
缺氧诱导因子(hypoxia-inducible factor,HIF)是哺乳动物缺氧反应的关键转录调节因子,参与多种链式反应和信号传导。HIF特异性的脯胺......
羟基自由基对细胞的三大基本分子核酸、蛋白质、葡萄糖有着强烈破坏作用.压载水中羟基的比值浓度达到0.63 mg/L时,含有微生物液体......
为进一步认识羟基[60]富勒烯吡咯烷衍生物的空间结构,借助密度泛函考察了羟基取代位置和取代基数量对羟基[60]富勒烯吡咯烷衍生物空......