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- There existed both Lewis acid sites(Fe~(3+),Mo~(6+)) and Lewis base sites(oxygen of Mo=O and Mo-O-Fe bond) on the surface of the catalysts. 催化剂表面由Lewis碱位(MoO键的端氧和Fe-O-Mo键中的桥氧)及Lewis酸位构成。
- FePO 4 and AlPO 4 distribute at intervals, and there exist Lewis base sites (P=O and P-O-Fe) and Lewis acid sites (Fe 3+ and Al 3+) on the catalyst surface. FePO4 和AlPO4 间隔分布在催化剂表面 ;形成Lewis碱位 (P =O ;P O Fe)和Lewis酸位 (Fe3 + ;Al3 + ) .
- 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 ;
- The experimental results pointed out that the three kinds of active sites exist on the surface of the catalysts: Metallic site Cu, Lewis acid sites V~(5+) and Ti~(4+), Lewis base sites bridge O in V-O-Ti and terminal O in V=O. 实验结果表明:在Cu/V2O5-TiO2催化剂表面存在金属位Cu、Lewis酸位V5+和Ti4+以及Lewis碱位V-O-Ti的桥氧和V=O的端氧三类活性中心;
- 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。
- Base site RX Eb/No plots can be made from CDLs! Cant even make these today with Drive Testing unless SMAP is used! 移动台的信噪比测试图可以通过CDL做出来!而无需路测。更好的地方是,我们可以获得真实用户,而不再仅仅是我们路测员,所去的地方的信息!
- 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。
- If selected, you will be notified when leaving an SSL based site. 如果选中,当离开一个SSL使能的站点时您将被提醒。
- 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。
- 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。
- 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 )。
- WIC can automatically sign in to membership based sites and download entire image galleries. WIC 可以根据网站自动地注册会员并且可以下载整个图库。
- 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。
- To investigate the effect of interval hypoxic training(IHT) on aerobic capacity and Acid base balance metabalism by testing of blood gas analysis. 目的是通过实验对大鼠血气分析指标进行测试,进一步研究间歇性低氧训练对有氧代谢能力和酸碱平衡代谢作用的机理。
- 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。
- The variation of the desorption activation energy of dichloromethane on activated carbons was discussed with the help of the hard soft acid base(HSAB) princi. 主要研究了金属离子改性活性炭对二氯甲烷脱附活化能的影响。
- Objective:To compare the two methods of content determination for total alkaloids in Tonkin Sophora root.Method: Acid base titration and colorimetric method of acid dye were used. 目的:比较山豆根总碱两种含量测定方法,为山豆根提取工艺优选提供参考。
- When somebody follows the link from a search result listing to a frame based site, they will land on an orphaned document, outside of its parent frameset. 当有人随着从搜索结果列表里的连接来到一个框架站点,他们着陆在一个孤单的文档上,孤立于其父框架。
- This article summarized the experimental technology and operation outline of the paper electrophoresis for amino acid based on abundant experiments. 摘要在大量实验的基础上总结出氨基酸纸上电泳实验技术和操作要点。