Two new 2-(quinonylcarboxamino)benzoates, named aconicarmiquinamides A(1) and B(2), were isolated from an aqueous extrac......

The flotation and surface interaction of rutile with nonyl hydroxamic acid were investigated in this work. The results s......

Asymmetric synthesis of irnigaine was achieved starting from an enantiopure β amino ester 5 using the condensation......

The proportion of tuberculous pleurisy among all pleurisy cases is 49.6% and is obviously increasing. However, malignan......

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【正】 Supply and demandin China1.Production The total output of phenol in China was 545500 tons in 2007,an increase of ......

Objective To control the quality of Evodia rutaecarpa better.Methods An HPLC-DAD-MS/MS method was established for the ra......

[Objective]To research on the volatile chemical components in the seeds of Perilla frutescens(L.)Britt.,and to provide s......

The phenolic emulsifiers used in emulsified asphalt of micro-surfacing, which was the most important tools in the road m......

[Objective] To determine methyl-n-nonyl-ketone content in dried Houttuynia cordata Thumb.by gas chromatography.[Method] ......

[Objective] To study the microwave-assisted cyclohexane optimum extraction conditions of essential oils from the stem of......

以丙烯酸和自制壬基酚聚醚酯为单体,利用溶液聚合法,以甲苯为溶剂,过氧化苯甲酰为引发剂,合成一种二元共聚物稠油破乳剂。考察了各......