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Results of test showed that DFA-PEG polyester and its derivant had excellentemulsification performance, and emulsion was exquisite and steady, the surfacetension and critical micelle concentration of DFA-PEG polyester and sulfatedDFA-PEG polyester were very low, DFA-PEG polyester terminated with rosin acid hadcertain antifoaming performance, but surface tension and CMC increase to extent.

性能测试表明,DFA-PEG聚酯及其两种衍生物均具有优良的乳化性能,乳液细腻且稳定;DFA-PEG聚酯及其硫酸酯盐水溶液的表面张力和临界胶束浓度较低:DFA-PEG聚酯松香酸酯还具有一定的抑泡性能,与DFA-PEG聚酯及其硫酸酯盐比,其水溶液表面张力和临界胶束浓度有所增加。

To evaluate the antioxygenic property of the antioxidants, the oxidation reaction rate constants of sodium sulfite, sodium bisulfite and sodium pyrosulfite in aqueous solutions were determined.

为评价抗氧剂的抗氧化能力,测定了抗氧剂亚硫酸钠、亚硫酸氢钠及焦亚硫酸钠在水溶液中与氧反应的速率常数。

Among them, 24 rats with normal Hb value were randomly divided into 2 groups: model group in which rats received the extract of Aristolochia manshuriensis Kom by gavage, and control groupreceived tap water only by gavage.

随机选择24只Hb正常的大鼠,分为对照组及模型组,各12只,后者予关木通浸膏水溶液间断灌胃制作CAAN模型。

In the presence of ethanol- HCl solution, arylamine-HCl and w=37% aqueous formaldehyde solution or the condensation product of arylamine and formaldehyde are directly reacted with ethyl 3-oxo-2-phenylmethylenebutyrate to form l-aryl-2-phenyl-3-carbethoxy-4-piperidone.

2-苯亚甲基-3-丁酮酸乙酯与芳香胺和w=37%甲醛水溶液或芳胺和甲醛的缩合物在氯化氢-无水乙醇存在下可直接发生的Mannich反应,得到1-对位取代芳基-2-苯基-3-羰乙氧基-哌啶-4-酮。

Under certain experimental conditions,the Terbiumbasic Calbonate can be dissolved in aqueous solution of nicotinic acid to yield an Orange Tb Complex, which has a broad characteristic absorption band between, 370—410 nm The autoreduction of the Tb—Complex was studied by means of spectrophotometric method, It was determined by experiments that the reaction order is equal to two and the apparent activation energy of the auto—reduction is equal to 68.4±0,8KJ/mol.

在一定条件下,Tb的碱式碳酸盐可以溶解在烟酸的水溶液中形成橙黄色的络合物,该络合物在390nm波长附近有一宽带特征吸收峰。消光值在0。~1.0范围內与Tb的浓度具有直线关系。分光光度法对Tb自还原反应研究确定:于15℃及烟酸浓度为0.35M时,当pH值小于6.0条件下,随pH值的增加,其自还原速度常数减小,该自还原反应级数为二,反应活化能为68.4±0.8KJ/mo1。

Batatas by water-dissolving and water-dipping extraction technology and alcohol-water solution extraction technology were studied and compared.

方法利用水溶水浸提取工艺和酒精水溶液提取工艺对紫红薯色素的提取进行研究与比较。

The complexation of SCnA also results in a bathochromic shift and a decrease in optic intensity of the absorption spectrum of DS.

水溶液中磺化杯芳烃可与二苯胺重氮盐形成包结物,导致DS的化学位移向高场移动,同时使其吸收光谱红移,强度下降。

In addition a simple process was also developed to obtain purified betulin using chloroform / NaOH two-phase solvent extraction.

另外还建立了一种在碱性条件下用氯仿/水溶液混合溶剂来一步纯化白桦树皮中的白桦酯醇的方法。

In the fifth chapter, six compounds formed between nitrogen-containing ligands such as 2, 2'-bipyridyl, isonicotinamide and 1, 4, 8, 11-tetraazacyclotetradecane and the solution cadmium sulfonates such as 1, 5-naphthalenedisulfonate, 2, 6-naphthalenedisulfonate, 4, 4'-bipenyldisulfonate and 4, 4'-penyletherdisulfonate have been synthesized and structurally characterized. Besides, another compound has been synthesized with cadmium carbonate reacting with 1, 5-naphthalenedisulfonate acid.

第五章以2,2'-联吡啶、异烟酰胺和1,4,8,11-四氮杂环十四癸烷与含有Cd〓和1,5-萘二磺酸根离子、2,6-萘二磺酸根离子、4,4'-联苯二磺酸根离子和4,4'-苯醚二磺酸根离子的水溶液反应,合成了六个化合物,另外以1,5-萘二磺酸与碳酸镉反应合成出一个化合物。

The invention discloses a dielectric hole-microhole composite material and synthesizing method in the inorganic porous material, adsorbing material and catalytic material technical domain, which comprises the following steps: adopting zeolite molecular sieve as raw material; reacting with sodium bisilicate solution under 30-60 deg.c for 10-300 min; disintegrating particle part of zeolite molecular sieve into piece with microhole structure; adding cetyl trimethyl ammonium bromide as molder; adjusting pH value of mother liquid to 10-12; aging 1-8h; adding in the high-pressure autoclave to do water heat synthesizing reaction at 80-130 deg.c for 24-72h; separating solid; washing; drying; sintering under 500-600 deg.c for 5-10h; obtaining the Si-Al porous material with dielectric hole and microhole composite structure.

本发明属于无机多孔材料、吸附材料和催化材料技术领域,涉及具有介孔-微孔复合材料及其合成方法。其特征是以沸石分子筛为原料,用偏硅酸钠的水溶液在30~60℃反应10~300分钟,使沸石分子筛的颗粒部分解离形成具有微孔结构的碎片,加入模板剂十六烷基三甲基溴化铵,然后调节母液pH值为10~12,老化1~8小时,然后加入高压釜于80~130℃进行水热合成反应。反应24~72小时后,分离出固体,水洗、干燥,然后于500~600℃焙烧5~10小时,得到具有介孔和微孔复合结构的硅铝多孔材料。本发明的效果和益处是所发明的合成方法可用于合成多种沸石结构和介孔结构的复合材料,所合成的材料经过质子交换可以具有较强的酸性,在吸附和催化领域具有广泛应用前景。

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This paper analyzes the compound attractor structure of a new three-dimensional autonomous chaotic system.

分析了一种新的三维自治混沌系统吸引子的复合结构。

ON shut rivals out of their transmission systems and shy away from reinvesting their profits in network improvements.

ON将竞争者挡在了其输送体系之后,并不愿将其收益再投资于网络改建工作。

Objective: Elucidate the medicinal licorice species circumscription in order to develop licorice resources in China and select new cultivars.

目的:阐明中国药用甘草物种之间的界限,为甘草资源开发和优良品种选育奠定基础。