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- acids bases activity 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 ;
- 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。
- It has been inrestigation that on nuture pigment to be extacting separating from Hoog Zi, and the effects for acids、bases and temprature etc on stablity of pigment. 本文报导从红子提取、分离天然色素及酸碱和温度等对该色素稳定性的影响。
- 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。
- These experiments, including the pioneering work of Miller and Urey, have successfully produced organic monomers including amino acids, simple sugars, and nucleic acid bases. 这些实验包括米勒等早期所做工作,成功地产出了有机单体,包括氨基酸,单糖,核酸碱基。
- 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 )。
- 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。
- The DNA gene is first copied and edited into a transcript made of RNA, employing similar nucleic acid bases, except that DNA's thymine is replaced by uracil. 首先,DNA讯息得转编成转录子这种RNA抄本,RNA使用的碱基与DNA几乎完全相同,只是它用尿嘧啶(简写为U)取代胸腺嘧啶。
- 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。
- It is a good idea to have an enjoyable, fun and group based activity at the end of a class, where the students can interact with each other and use the language learnt during the lesson. 结束一课的讲解并不需要多么漂亮的收尾,但是,如果能在课堂后段安排一个有趣的集体活动,使学生们使用课文中学到的语言互动起来,那么这也是一个不错的主意。
- In this paper,three kinds of catalysts are introduced and discussed according to the acid or base active site.The prospect of the catalysts for aldol condensation is also been put forward. 本文根据活性中心的不同,对酸性、碱性和酸-碱两性三类不同的催化剂进行了论述,分析了羟醛缩合反应催化剂今后的发展方向。
- 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。
- In this paper, three kinds of catalysts are introduced and discussed according to the acid or base active site.The prospect of the catalysts for aldol condensation is also been put forward. 本文根据活性中心的不同,对酸性、碱性和酸-碱两性三类不同的催化剂进行了论述,分析了羟醛缩合反应催化剂今后的发展方向。
- 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 I see that Chinese always joined and participated in Chinese based activities, it really irks me. 其实我看见我的同胞参与的活动一二三四五都是华人活动,我是很心痛的。