-o- comb. f. 〔构成复合词〕本来只用于来自希腊语复合词,现在广泛用于科学术语(等)上;用法: 1.第一要素修饰第二要素:Franco-British. 2.第一第二要素为同位:Russo-Japanese war. 3.构成带有 -cracy, -logy, -meter 等希腊系词尾的衍生词 technocracy, technology, speedometer.
o a round O 圆。 int. 〔常用大写字母〕哦! 哟!…啊!唉!哎呀〔表示惊讶、恐怖、赞叹、愿望等〕。 O for a rest! 唉!休息休息才好! O Life! 啊,生活! O! Mr. John! 唷,原来是约翰先生。 O dear (me)! 哎呀!哎唷! O that ...〔诗〕但愿…!
Determination of total ascorbic acid in feeds - o - phenylenediamine fluorometry 饲料中总抗坏血酸的测定邻苯二胺荧光法
The crystal structure and elec trode reaction of n - 2 - hydroxy - 5 - methylphenyl phenyl methylene - o - phenylenediamine 亚甲基邻苯二胺的晶体结构及电极反应
2 . the preparation of biomimetic bulk acoustic wave sensors for phenylalanine , atropine and pesticide 2 , 4 - dichlorophenoxyacetic acid based on the electrosynthesized molecularly imprinted polymers using o - aminophenol , o - phenylenediamine as monomers is first proposed 用电化学方法以邻苯二胺、邻胺基酚为单体,首次现场制备了苯丙氨酸、阿托品、杀虫剂2 , 4 -二氯苯氧基乙酸的分子印迹体声波传感器。
A novel polyester thioure microcapsule was prepared using interracial polymerization with 1 , 4 - benzenedicarbonyl diisothiocyanate and o - phenylenediamine . the influence of emulsifying agent , stirring speed and drug content on microcapsule performance were investigated 摘要以对苯二甲酰异硫氰酸酯与邻苯二胺为原料,通过界面聚合法合成了一种新型聚硫脲微胶囊,考察了搅拌速率、乳化剂用量、投药量等因素对微胶囊粒径及释放性能的影响。
Molecular weight distribution curve of 1 , 1 ' - diaformacylferrocene - o - phenylenediamine polycondensate has triplet and polydispersity is a little large . it should be pointed out that the fe2p3 / 2 peak appears basically near fe2 + characterizing 708ev in xps of the two polycondensates , this means that the ferrocene group is rather stable in the polycondensates 其中, 1 , l ’一几甲酞二茂铁邻苯二胺缩聚物的分子量分布曲线呈现三重峰,表明在高转化率时发生大分子链转移后生成带支链的高分子,其多分散性也较大。
Results show that the commercial scale production of daf and fdc is successful . thermal stability of the three 1 , 1 ' - dicarbonylferrocene compounds can be enhanced 10 % ~ 15 % by irradiation . 1 , 1 ' - difonnacylferrocenebiphenyldiamine polycondensate and 1 , 1 ' - diformacylferrocene - o - phenylenediamine polycondensate are middle heat resistant , their thermal decomposition mechanism are similar 研究结果表明, daf与fdc的规模化生产是成功的,辐照可提高3种1 , 1 ’ -二羰基二茂铁化合物的热稳定性约10 15 。