nutrient density 中文意思是什麼

nutrient density 解釋
養分濃度
  • nutrient : adj. 營養的，滋養的。n. 營養物，營養品，養分，養料；營養劑。 nutrient broth 肉汁。 nutrient medium 培養基。
  • density : n. 1. 稠密；濃厚。2. 【物理學】濃度；密度；比重。3. 愚鈍，昏庸。
  1. After selected various high yielding and hybrid varieties, their nutrient uptake pattern, interaction among fertilizer, varieties and plant density should be investigated

    近年來，我國選育出一批主要作物的高產品種和雜交種，應當研究它們的需肥特性，研究施肥與這些新品種及其種植密度等不同措施的關系。
  2. The reduction of soil nutrient content and enzyme activity, and the apparent increase of soil acidity and bulk density are likely the main reason for soil degradation in mature stand

    土壤養分和酶活性的降低以及土壤酸度和容重的顯著增加是成熟林土壤質量降低的主要原因。
  3. The physical and chemical properties of the soil were analyzed, including nutrient change and routine index of acidity and alkalinity, in addition, compared them with natural soil and studied their variation and correlation. the results as follows : the soil bulk density of harbin urban vegetation is higher, total porosity and field capacity are small

    對其土壤的理化性質和養分狀況等指標進行分析，並與松花江地區自然黑土進行了對比，研究其變化的趨勢和養分相關性。結果表明：哈爾濱城市綠地土壤容重較大，孔隙度和田間持水量少，有機質缺乏，養分含量較低，相關性差，土壤ph值呈中性，肥力水平低。
  4. The difference in moisture content among the various types of cat food impacts the nutrient density of the products or the amount of nutrients per ounce or pound of food

    各種食物的濕度不同影響著貓糧的營養分佈，或者是每盎司或每磅的營養元素含量。
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