turnover of materials

英 [ˈtɜːnəʊvə(r) ɒv məˈtɪərɪəlz]

美 [ˈtɜːrnoʊvər əv məˈtɪriəlz]

【经】原料周转次数

Turnover ( exports and imports) of raw materials and agricultural products.
流动的（出口和进口）原材料和农产品；
Effect of Heavy Metals on Decomposition and Turnover of Organic Materials
重金属影响下有机物料分解与转化的研究
A submerged incubation experiment was carried out to study the effect of the Cd or Pb application on decomposition and turnover of two organic materials ( a pig manure ( PM) and a corn stalk ( CS)) in soil.
通过室内培养实验，初步研究了重金属Cd、Pb影响下，猪粪和玉米秸秆在土壤中的分解与转化规律。
Production operations analysis considered input-output ratio, and inventory operation analysis has taken the ratio of inventory turnover, the occupancy of inventory, the main occupation of inventory from rough materials and products into consideration.
其中生产运行分析考虑了辊材的投入产出比，库存运行分析从原料库和成品库两方面考察库存周转率、库存占用情况和库存主要占用品种。