xylem wood 中文意思是什麼

xylem wood 解釋
木部
  • xylem : n. 【植物；植物學】木質部。 xylem ray 木射線。
  • wood : n 伍德〈姓氏〉。n 1 〈常 pl 〉樹林，森林。2 木質。3 木材；木板；木柴；木球；（高爾夫球）木棍。4 ...
  1. Thickness of upper and lower epidermis of leaves, width of xylem and phloem of annual and biennial branches, ratio of late wood to early wood, periderm thickness of biennial branches, and length of xylem ray present decreasing trends with latitude ascending ; while ratio of palisade tissue to spongy tissue, epidermis thickness of annual branches, and cortex thickness of biennial branches show unobvious variations with latitude increasing

    葉的上下表皮厚度、 1和2年生枝木質部及韌皮部寬度、晚材早材比值、 2年生枝的周皮厚度、木射線長等均隨緯度升高而呈下降趨勢；而葉的柵欄組織和海綿組織比值、 1年生枝表皮厚度、 2年生皮層厚度等解剖結構隨緯度變化沒有明顯規律。
  2. The reducing sugar content in the phloem and xylem of populus pseudo - simonii, p. pseudo - simonii p. nigra, p. simonii p. nigra, p. koreana, 27 and 40 - year - old p. simonii wood was analyzed by 3, 5 - dinitrosalicylic acid colorimetry

    摘要利用3 ， 5 -二硝基水楊酸比色法測定小青楊、小青黑楊、小黑楊、香楊、 27年生和40年生小葉楊韌皮部和木質部的還原糖含量。
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