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- The acid base properties of fluorosilicone rubber(FSR) were studied by inverse gas chromatography(IGC) in detail. 采用反相气相色谱法对氟硅橡胶表面的酸碱性质进行表征。
- Conseqently, the IGC is a simply &quick way of measuring the acid base property of polymers. 采用反相气相色谱法对氟硅橡胶表面的酸碱性质进行表征。
- Eight kinds of probe molecules have been selected to indicate acid base property of hydroxy terminated fluorosilicone oil by inverse gas chromatography(IGC). 采用 I G C法，选择8 种已知酸碱性的探针分子 ，表征羟基氟硅油的酸?碱性质。
- Keywords inverse gas chromatography;hydroxy terminated fluorosilicone oil;acid base properties;surface free energy parameter; 反相气相色谱法;羟基氟硅油;酸碱性;表面自由能参数;
- Keywords inverse gas chromatography;fluorosilicone rubber;acid base property;surface free energy parameter; 反相气相色谱;氟硅橡胶;酸碱性质;表面自由能参数;
- Keywords fluorosilicone rubber;silica agrogel;enhancing mechanism;acid base properties;inverse gas chromatography; 白炭黑;氟硅橡胶;增强机理;酸碱性;反相气相色谱;
- Keywords vanadia;propane;oxidative dehydrogenation;redox property;acid base property; 钒氧化物;丙烷;氧化脱氢;氧化还原性质;酸碱性;
- The chief type of acid base unbalance is respiratory acidosis. 酸碱失衡类型中 ,呼吸性酸中毒占首位 ;
- Surface acidity is one of the important surface chemical properties of silicate clay minerals. 摘要表面酸性是硅酸盐黏土矿物的重要表面化学性质之一。
- Potassium has an important role in the regulation of acid base balance. 钾在人体的酸碱平衡中起到了重要的作用。
- The surface acidic properties of various trivalent hetero-atom containing H(M)ZSM-5 (M = Al, Ga, Fe, B) have been investigated by means of TPD and IR. 用IR,TPD技术研究了不同三价杂原子的H(M)ZSM-5(M=Al,Ga,Fe,B)的表面酸性质。
- Besides, the conversion of ethanol have been found to be dependent on the amount of surface acid sites on zeolites. 乙醇转化率与分子筛表面酸量有关。
- The surface acidic properties of heteroatom-containing(M)AlPO_4-5(M=Si,Mg,Co)have been studied by means of Temperature Programmed Desorption(TPD)and Infrared spectroscopy(IR). 利用吡啶吸附态的红外光谱(IR)、氨气的程序升温脱附(TPD)等方法研究了不同杂原子的磷酸铝分子筛的表面酸性.
- The strength of chemical-strengthening glass is analyzed before and after surface acid etching, and the strength reservation of glass corroded is studied. 对离子交换增强玻璃表面不同程度酸腐蚀后强度变化的情况进行了分析,并对表面腐蚀后强度的保留进行了研究。
- In this paper,the reaction rule of diketen reacting with different alcohols under acid base catalysis was investigated. 研究了二聚乙烯酮与不同结构的醇在酸、碱催化下的反应规律，并用烷基电子效应的新观点解释了这个规律。
- The common glass bottles pose a risk of eluting sodium and the other elements contained in glass material under acid base condition. 一般常见之玻璃瓶在酸或硷性的情形下会有钠或其他元素溶离出来之缺点。
- Results 83 cases (96.51%) had acid base disturbance,in which the metabolic acidosis with respiratory acidosis was most common (61.63%). 结果 83例 ( 96 5 1%25 )存在酸碱紊乱 ,其中以代谢性酸中毒合并呼吸性酸中毒为最多见 ( 6 1 6 3%25 )。
- Method: The content of SD was measured by acid base titrations and trimethoprim (TMP) was determined by ultraviolet spectrophotometer. 方法:用酸碱滴定法测定磺胺嘧啶的含量,用紫外分光光度法测定甲氧苄啶的含量。
- Surface acidity of CLM probably originates from the pillars and its surface hydroxy. 表面酸性可能来源于柱子和表面羟基,柱子的热稳定性对表面羟基,表面酸性均有较大影响。
- These treatments adjust effectively the surface acidity and pore structure of mordenite. 这些处理过程有效地调节了丝光沸石的表面酸性和孔结构。
