正石髓 的英文怎麼說

中文拼音 [zhēngdànsuǐ]
正石髓 英文
quartzine
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 石 : 石量詞（容量單位, 十斗為一石） dan, a unit of dry measure for grain （= l00 sheng）
  • 髓 : 名詞1. [生理學] （骨髓; 像骨髓的東西） marrow 2. [植物] （莖的中心部分） pith
  • 石髓 : chalcedonic
  1. We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem

    結果表明：氣生不定根具有以下結構特徵和發育特點： （ 1 ）根為二原型，側根正對著木質部發生； （ 2 ）幼根內皮層細胞具凱氏帶加厚，維管柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁細胞； （ 2 ）根中無髓和樹脂道； （ 4 ）次生結構發生於根毛區，維管形成層由初生木質部和初生韌皮部之間的薄壁細胞轉化形成； （ 5 ）中柱鞘和栓內層細胞富含單寧類物質； （ 6 ）次生韌皮部有石細胞，次生木質部射線發達。
  2. Spinal orthoses - guide to design

    脊髓正長石.設計指南
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