查询词典 hydroxy-acetone

HC1, which had the p-hydroxy in its stucture, could form steady ternary equilibrium system HC1-Zr-EDTA with [Zr(H2O)2EDTA].

半花菁染料HC1是一拥有邻二羟基酚型结构特征的染料分子，可与Zr-EDTA螯合物形成稳定的三元螯合物体系HC1-Zr-EDTA。

By the mechanism of the electrocyclic reaction, three groups of 4-hydroxy-2-cyclobutenones 4 were designed and synthesized to investigate their behaviors underthe thermolysis conditions Meanwhile, a new procedure for preparation of 2(5H)-furanone 5 Was discovered.

根据电环化反应机理，我们设计了三组不同类型的4-羟基-2-环丁烯酮(4)。通过对4-羟基-2-环丁烯酮(4)进行热解，发现了一种制备2(5H)-呋喃酮类化合物(5)的新方法。

Methacryloyloxydecyl-2-thiouracil-5-carboxylate was synthesized from the reaction of thiouracil with diethyl ethoxymethylene malonate and ω-hydroxy-decyl-methacrylate.

以硫脲、乙氧基次甲基丙二酸二乙酯和甲基丙烯酸ω-羟癸酯为主要原料合成了一种新的粘接性单体10-甲基丙烯酰氧癸基－2-硫脲嘧啶－5-羧酸酯。

The preparation of 2,2-dimethyl-3-hydroxy propanal from the condensation of formaldehyde and i-butyraldehyde by using triethylamine as catalyst was studied.

以异丁醛和甲醛为原料，三乙胺为催化剂，羟醛缩合法合成了2，2-二甲基－3-羟基丙醛。

hydroxy-2-acetonaphthene was obtained by the hydrolysis of 6-methoxy- 2-acetonaphthene in the presence of HCl (36%) and triethylamine as a catalyst.

摘 要：采用6 甲氧基 2 乙酰萘与浓盐酸在缚酸剂三乙胺存在的条件下进行水解反应制得6 羟基 2 乙酰萘。

There are four parts in this thesis, the main works of author are summarized and presented as follows:1. Multivariate curve resolution with alternating least squares and alternating trilinear decomposition are applied in the resolution of overlapping peaks of camptothecin and 7-ethyl-10-hydroxy- camptothecin (SN-38) from HPLC-DAD.

全文共分四章，作者的主要工作有以下三个方面：一、采用HPLC-DAD检测，结合多元曲线分辨-交替最小二乘和交替三线性分解方法对未优化的色谱分离条件下产生的7-乙基-10-羟基喜树碱(SN-38)和喜树碱的严重重叠的色谱峰进行分辨。

To understand the reaction of tetrakis hydroxymethyl phosphonium chloride with collagen protein,the interactions of THPC with polycaprolactam,poly vinyl alcohol or ethylenediamine which were used as the model substances of amido,hydroxy and amino groups of collagen protein were examed.

通过研究THPC与聚己内酰胺、聚乙烯醇、乙二胺的酰胺基、羟基、氨基的反应，间接证明THPC主要与胶原蛋白的氨基结合，可与氨基以n∶n=1.0∶2.2形成交联，THPC与羟基和酰胺基均有少量结合，并在pH=8.0时结合量最高。

While PEG-1000 had worst liquefaction effect; its liquefied wood had higher acid value and hydroxy value. Wood liquefaction condition would influence the properties of PU foam.

由其结果得知，以PEG-400为液化药剂者有较佳之液化效果，其残渣率较低，以PEG-1000液化者效果较差，其液化木材有较高的酸价及羟价。

In ethylene glycol solution, 1 was converted into 1-oxo-13c-(2-hydroxyethoxy)-1, 13c-dihydro-dibenzo -xanthene (23) and ketal compound 7a, 13bethylenedioxy-1-hydroxy-7a, 13b-dihydro-dibenzo -xanthene (24), the structure of which was confirmed by X-ray single crystal diffraction.

在乙二醇中反应时，1被氧化为二苯并咕吨型的23和缩酮型的7a，13b-亚乙二氧-1-羟基-7a，13b-二氢-二苯并-咕吨（24）。24的结构得到X-ray单晶衍射的证实。

Thus, the reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible.

因此甲醇在氧化锌表面吸附生成甲氧基和水的反应是可逆的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。