种前处理 meaning in Chinese

pre transplanting treatment

To study the determination of sulfite in food by pararosaniline hydrochloric spectrophotometry , then according to the sample characteristic , the treatment select soak , ultrasonic and distill
摘要通过对测定食品中亚硫酸盐过程进行研究，根据样品的特性不同对所采集的样品采用浸泡、超声和蒸馏三种前处理方法。
Three methods of scouring are applied , such as cold pad - batch , pretreatment in overflow machine , and pretreatment in slack bleaching and scouring machine , which are suitable for different batches and printing patterns
介绍了三种前处理煮练工艺：冷轧堆、溢流机前处理和松式绳状练漂联合机前处理，可适用于不同批量和印花花型。
Determination of cadimium in cucumber with four types of sample preparation methods , i . e . digestion using nitric acid and perchloric acid , microwave digestion using nitric acid , digestion using sulfuric acid and hydrogen peroxide and extraction using hydrochloric acid were compared
摘要本文通过比较研究了湿式消解法、微波消解法、硫酸过氧化氢快速消解发、盐酸浸提法等四种前处理方法测定黄瓜中镉含量。