The method for the determination of 4,6-dinitro-cresol(DNOC) in fruits has been established with GC-MS.

利用气质联用(GC-MS)技术建立了水果中4,6-二硝邻(DNOC)的测定方法。

Fig. 4 Flow chart of pentosan analysis - Orcinol spectrophotometric method.

聚戊醣法流程图—间苯二光度法.

Fig. 4 Flow chart of pentosan analysis – Orcinol spectrophotometric method.

聚戊醣法流程圖—間苯二光度法。

BMI resin systems modified by allyl methylphenol ether,allyl methylphenol, allyl methol phenol and diallyl bisphenol A, respectly have been studied.

对以烯丙醚、烯丙、烯丙和二烯丙双A改性BMI所得树脂体系进行了研究。

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采用百里蓝-红、溴绿-红混和指示剂的测试效果较差。

Objective: To compare the clinical effects of calcium hydroxide iodoform (CHI) slurry and traditional intracanal medication such as formocresol (FC), camphophenic (CP).

比较氢氧化钙碘仿(CHI)糊剂与传统的根管消毒剂醛(FC)、樟脑(CP)的临床效果。

A series of reversible thermochromic paints were prepared using different kinds of inorganic compounds as filler,cresol red as chromophoric reagent and boric acid as delomorphic reagent.

以红为发色剂,硼酸为显色剂,选择不同的无机填料,制备出系列可逆热致变色颜料。