超声波提取-红外光度法测定土壤中石油类、动植物油含量的试验研究
초성파제취-홍외광도법측정토양중석유류、동식물유함량적시험연구
Determination of Oil Content in Petroleum, Animal and Vegetable Oils in Soil by Ultrasonic Extraction-infrared Photometric Method