所有受害者原来以为都是突发心脏病而亡，但是后来在一位实习生的更衣箱中发现了一个装有氯化筒箭毒碱的空瓶。
The victims supposedly all had heart attacks, but when an empty Tubarine vial was found in an intern’s locker, the bodies were exhumed and tested for presence of the drug.
控制出碱浓度的因素主要有两个：生蒸汽压力和真空度。
The concentration of discharge caustic soda depends mainly on the pressure of fresh steam and vacuum.
对三年生、二年生碱茅草地和盐渍化荒地土壤水分动态及其影响水、盐运动的因素进行了研究。
The water and salt dynamics and factors affecting them in Puccinellia grasslands of two and three years growths and saline wasteland have been studied.
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