Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.
采用丁腈、
丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。
} carboxylPhenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.
采用丁腈、丁腈、丁苯、丁吡四种胶乳改性酚醛树脂。
The application of monohydroxy or carboxy group compound to fluoro rubber were analyzed.
对一羟或合物在氟橡胶胶料中的应用进行了研究。
Bone formation Hydroxyapatite is deposited in nucleation sites between the ends of tropocollagen molecules as the first step in bone formation.
骨骼形成的第一步，
灰石被沉积在原胶原蛋白分子末羰之间的成核部位。
The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.
研究了聚对苯
甲酸丙醇酯(PTT),PET,CDP在不同温度和时间下的特性粘数和端含量的变。
The carboxylic content in oxycellulose was analyzed quantitatively by FTIR using KSCN as internal standard.Calibration curve with good linear relationship was obtained.
以KSCN作为内标，用傅里叶变换红外光谱法(FTIR)对氧纤维素中的含量作了定量分析，得出了线性关系较好的标准曲线。
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的合物3，14，16为模板，对它们的3位进行了酯反应合成了4个喹诺酮酯类合物：合物22—25。
It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.
在银溶胶表面上，氧原子与银形成学建，苯环是稍微倾斜地吸附在银胶面上，其它部分则平躺吸附于银溶胶表面。
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