methylene dichloride
英
美
网络 二氯甲烷
双语例句
- The results showed recovery of spiked sample and RSD from method of ultrasonic extraction with methylene dichloride met timeliness and accuracy requirements of SVOCs monitoring in soil.
结果表明，二氯甲烷超声萃取法提取土壤中的半挥发性有机物的时效性，准确性能够满足监测分析的要求。 - The magnetic polymer microsphere was prepared by using solvent evaporation with polystyrene and methylene dichloride as the oil phase, and sodium dodecyl benzene sulfonate ( SDBS) as the surfactant.
以聚苯乙烯和二氯甲烷为油相，十二烷基苯磺酸钠（SDBS）为表面活性剂，采用溶剂挥发法制备了磁性聚苯乙烯微球。 - Infrared spectrometry and Chromatograph-mass spectrometer coupling were used to presume the structure of the synthetic lubricant, which was prepared by the reaction of alkylbenzene and methylene dichloride with Lewis acid as a catalyst.
缩聚烷基苯合成油系由烷基苯与二氯甲烷在无水三氯化铝的催化下进行付－克烷基化反应而得到的。利用傅立叶变换红外光谱仪、色－质联用仪等分析手段对其结构进行了测定和分析。 - Studies on treatment of soil containing nitro-aromatic compounds by the water extraction and methylene dichloride back-extraction process have been carried out.
对土壤试样中的硝基芳香类化合物进行了水提取与二氯甲烷反萃取研究。 - Under room temperature conditions, spinach was extracted with methanol-HCl ( 4:1 by vol), followed by a second extraction in methylene dichloride.
在室温条件下，采用体积比4∶1的甲醇和盐酸混合溶液提取，用二氯甲烷萃取。