food concentration meaning in English

食品浓缩
食品烟熏防腐

To the non - linear problem between concentration and refraction index regarding temperture in the luquid food concentration measurement system , the artificial neural network modeling methods was applied and the new model was set up based on test data
摘要针对液浆类食品浓度检测系统中，浓度与折射率、温度之间的非线性关系问题，将人工神经网络技术应用于浓度测量的建模中，以实验数据为基础，建立了检测系统的数学模型。
The effects of food concentration and diurnal photo period on the filtering and grazing rates a . pacific were discussed . the main results are showed as follows : 1 . in the prawn cultivated pond , the year - round phytoplankton apparent growth rate ranged between 0 . 181 ~ 1 . 2888 d - 1
主要分析了微型浮游动物对浮游植物现存量和初级生产力的摄食压力，微型浮游动物的氨氮排泄率及其对初级生产力的贡献，探讨了实验室条件下食物浓度和光周期对太平洋纺锤水蚤( acartiapacifica )滤食率和清滤率的影响。