Standard test method for 2 , 6 - di - tert - butyl - p - cresol and 2 , 6 - di - tert - butyl phenol in electrical insulating oil by infrared absorption 红外线吸收法测定电绝缘油中2 , 6 -二叔丁基对甲酚和2 , 6 -二叔丁基对苯酚的标准试验方法
Manufacturer of aromatic intermediates in china . products include derivatives of benzaldehyde , acetophenone , phenols and cresols , and meloxicam -生产氟系列医药农药中间体，主要产品有对氟苯胺对氟苯酚邻氟苯胺邻氟苯酚。
Abstract : in this article the technological process is introduced that anti - oxidant 264 and anti - oxidant 300 are prepared from mixed cresol . it is the first report at present 文摘:介绍了用生产对甲酚的副产品? ?混酚直接制取抗氧剂264及300的工艺过程.本工艺目前还未见报道
In the presence of sodium hydrate , the polymerization of mixture cresol ( cm ) with formaldehyde resulted in the formation of low - density , monolithic , free - crack cmf organic and carbon aerogels 以混甲酚( c _ m ) 、甲醛为原料， naoh为催化剂成功合成了低密度、块状无裂纹c _ mf有机气凝胶及炭气凝胶。
In this paper , we reported the synthesis of three supramolecular complexes between - cyclodextrin and anisole , ethyl benzoate , m - cresol , respectively , which are identified by means of 1hnmr technique 摘要以-环糊精与苯甲酸乙酯、苯甲醚和间甲酚在水相中通过范德华力发生包合反应形成了主客体超分子络合物，并用核磁共振氢谱对络合物进行了表征。
The compositions of products from alkylation of m / o - cresols were analyzed by combination of gas chromatography and mass spectrometry ( gc - ms ) . the analysis method for such compositions was established 1电石深加工行业的现状和发展思路电石生产已有近百年历史,发达国家已转向利用石油、天然气资源替代电石生产化工产品.中国缺油多煤的国情,使电石生产仍然保持快速发展势头
N - phenyl - b - naphthylamine ( antioxidant d ) and 2 , 6 - di - tert - butyl - p - cresol ( anti - oxidant bht ) are the two kinds of antioxidant which are extensively used in our country . their standard reference materials can be used to rectify instruments and measure our analytical methods 防老剂d与bht标准物质可作为行业对其产品纯度检测的基准，用于校准测量仪器，评价测量方法的准确度，保证测量结果的准确性。
The effect of hexadecy pyridine choride on the dissociation constants of thymol blue bromide , cresol red , o - ckesolphthalein and thymol blue , as well as their the colour - changing ranges were studied by spectrophotometry 探讨了表面活性剂氯化十六烷基吡啶形成的胶束对溴百里香酚蓝、甲酚红、邻甲苯酚酞和百里香酚蓝离解反应的离解常数的影响，同时，也研究了该表面活性剂对上述四种酸碱指示剂变色范围的影响。
