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The IR spectra of wastewater simulated with two typical fatty amine flotation collectors of decyl propyl ether amine and stearylamine were studied and the mechanism of degradation of fatty amine flotation collectors by the UV/H2O2/air oxidation method was discussed.

测定了十二烷基丙基醚胺和十八胺两种典型脂肪胺浮选捕收剂模拟废水降解前后的红外吸收谱图,初步探讨了UV/H2O2/air光化学氧化法处理脂肪胺浮选捕收剂模拟废水的降解机理。

The combination of dilute sulfuric acid and organic solvent has been developed to demulsify the highly stable polystyrene microemulsion. 2. The degree of sulfonation was quantified based on the infrared spectra. 3. The superfine sulfonated polystyrene particles and the crosslinked polyvinyl alcohol films imbedded SSPS particles were employed to conduct out the adsorption for cationic red dye (5GN), and showed a satisfied results.

本课题的特色与创新之处: 1、独创了采用稀H2SO4和有机溶剂对聚苯乙烯微乳液混合破乳的方法; 2、基于红外光谱测量,定量计算出聚苯乙烯磺化度; 3、在国内外较早地开展了超细聚苯乙烯型离子交换树脂及其离子交换膜对阳离子染料的吸附作用的研究。

Resonance Raman spectra of aggregated meso-tetra(4-pyridinium)porphyrin diacid (H8TPyP6+)were studied with excitation near the exciton absorption bands of 470 nm.

研究了近激子吸收带激发下四-(4-吡啶基)卟啉二酸(H8TPyP6+)聚集体的共振拉曼光谱。

Chapter four. Two glucosamide-based trisiloxane Gemini surfactants which were connected with the short carbon chain dialcohol diglycidyl ether spacer were synthesized and their properties were determined. These compounds were structurally characterized by their 1H and 13C NMR spectra and elemental analysis.

界面性能通过K12表面张力仪测定,在临界聚集浓度CAC为1一3、10一5时可以显著地降低水的表面张力值至约21 mN/m,比连接基为低碳链二缩水甘油醚的略低,其CAC值随着乙氧基数的增加而增加,其CAC值比相应的单体低1~2个数量级,而且有两个CAC值。

The complexation behavior of these compounds with linear or aromatic dicarboxylate was investigated by the means of absorption, emission spectra,〓H-NMR and molecular dynamics.

结果显示,二羧酸盐阴离子与双链萘基脲/硫脲哌嗪化合物发生络合形成新的物种导致双链萘基脲/硫脲哌嗪化合物的吸收和荧光光谱行为的变化。

Three metal ion bridged self-assembled films of cis -di-bis(2,2'-bipyridyl-4,4'-dicarboxylate) ruthenium were fabricated and characterized by contact angle, UV spectra, cyclic voltammetry and XPS. Their photoinduced electron transfer properties were examined.

本文通过三种金属离子桥联的方式制备了一系列cis-RuL22 (L代表4,4'二羧基-2,2'联吡啶)自组装膜,并利用接触角,UV光谱,循环伏安法以及XPS对自组装功能膜进行了表征。

The results indicated: The pearl and its concliolin showed specific Infrared Spectroscopy and Circular Dichromism spectra.

结果显示:珍珠及其壳角蛋白具有特定的IR图谱和CD波谱。

The interaction of tributyltin, the main components of antifouling paint of ships, and its degradation products of monobutyltin and dibutyltin with human serum albumin was investigated by ultraviolet, fluorescence and circle dichromism spectra. The influences of the concentration, acidity, organic solvent such as ethanol and ionic strength on the interaction of butyltin compounds and HSA molecule were examined to find that the interaction of butyltin compounds and HSA was dual.

通过紫外、荧光和CD光谱,研究了船体防污漆中主要防污成分——三丁基锡化合物及其降解产物——一丁基锡和二丁基锡与人血清白蛋白相互作用的方式与程度,考察了浓度、酸度、有机溶剂和离子强度等因素对相互作用的影响。

The spectra of X-ray diffract revealed that its crystal is B type and the value is about 18%, far lower than that of ordinary maize starch. With the method of chemistry modification, we modified the amylose starch with acetates. The result showed that the best reaction condition was at the ratio of 1:5.3 (glucose: acerbity), with MSA 1.5% catalyzer, at 75℃ for 3 h.

利用化学改性法对高直链玉米淀粉进行醋酸酯化改性,最佳反应条件为,淀粉葡萄糖基与酸的质量比1:5.3、催化剂甲磺酸用量为体系的1.5%、反应温度75℃、反应时间3 h,在此条件下可制备取代度为2.84的醋酸酯淀粉,比普通玉米淀粉高0.78。

The XRD and scanning electron microscopic results show that when the volume ratio between H_2SO_4 and H_3PO_4 is 2:1,the oxidation and intercalation effectiveness will be best,and the expanding volume gets to 102 mL·g~(-1).The energy dispersive X-ray spectrum analyses and the Fourier transform infrared spectra indicate there could be H_3PO_4,H_2SO_4,dihydric phosphate and sulphate containing Mn in the layers of EG.

XRD与扫描电子显微镜结果表明,当硫酸与磷酸体积比为2:1时,氧化-插层效果最佳,膨胀体积达到102 mL·g~(-1)。X射线能谱分析与傅立叶变换红外光谱分析显示,EG片层中可能插入了磷酸、硫酸以及Mn的磷酸二氢盐与硫酸盐等物质。

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In her eyes, because that is the doorway toher heart * the place where love resides.

女人的漂亮必須從她的眼睛中去看,因為那是她心靈的窗戶和愛居住的地方

I will send some postcards to you.

我会向你发送一些明信片。

Of aesthetics and the definiteness of its content and leads to its immaturity and decline .

它的不确定,直接影响美学学科定位乃至研究内容的确定,导致美学学科的不成熟和衰微。