The sample, after being purged by reversed extraction and purified byPVP - kieselguhr column, was enriched through Amberlite XAD - 7 column.样品经过乙酸乙酯反萃取及PVP - 硅藻土层析柱后, 再径XAD - 7柱浓缩....
Transactional kiosks, as a rule, require no special enticements to attract users.交易型信息亭无须特别地吸引使用者, 这是一条原则.Kiosks generally fall into two categorical types: transactional and explorational.信息亭一般分成两类,即交易型和探索型.Kiosks thus t...
The extreme right reared its ugly head in the 1980s.极右势力在20世纪80年代有所抬头。It is hard to imagine Lineker capable of anything so extreme.很难想象莱恩克尔能做出如此极端的事情。Extreme caution should be exercised when buying part-worn tyres.购买部分磨损...
接近华氏100度的高温让他们感觉酷热难耐。They sweltered in temperatures rising to a hundred degrees.门在高温高热下开始变形。The door was beginning to buckle from the intense heat.高温也导致了植物水分的大量蒸发。High temperatures also result in high evaporation from th...