梯狀穿孔 的英文怎麼說

中文拼音 [zhuàngchuānkǒng]
梯狀穿孔 英文
scalariform perforation
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
  • 穿 : Ⅰ動詞1 (破; 透) pierce through; penetrate 2 (通過孔、隙、空地等) pass through; cross; go thro...
  • 穿孔 : 1 (鉆孔; 鑿孔; 打孔) bore a hole; punch a hole; punching; piercing; tresis; key punching 2 [醫...
  1. Axial parenchyma rare, scanty paratracheal

    穿梯狀穿孔為主。
  2. Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails

    導管橫切面為多角形,單管,散生。螺紋加厚僅出現導管分子尾端。梯狀穿孔為主。
  3. Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates reticulate and scalariform ; intervessel pits and vessel - ray pitting alternate ; helical thickenings throughout body of vessel elements

    單管,散生;整個導管分子上具螺紋加厚。網梯狀穿孔
  4. Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting opposite or opposite to scalarifonn ; helical thickenings in vessel elements present

    梯狀穿孔板;管間紋式為互列;射線導管間紋式多對列,類似導管面間紋式。
  5. It was shown that vessel elements in secondary xylem of p. emblica have many different forms and most of them have tails and their perforation plates divide into two types : ( 1 ) there is one simple perforation plate at each end of the vessel elements and ( 2 ) there is one simple perforation plate at one end of the vessel elements and two simple perforation plate at the other end ; ( 3 ) a few vessel elements have special inclusions ; ( 4 ) the intervascular pits are alternate pits ; ( 5 ) the pits between the vessels and rays are mixed pits, pits with transverse gashes and scalariform pits

    結果發現,余甘子次生木質部導管分子中存在著許多不同的樣式,導管分子大多數具尾;其穿板存在著兩種類型: ( 1 )兩端均為1個單穿板; ( 2 )一端為1個單穿板;另一端為2個單穿板; ( 3 )極少數的導管分子具有特殊的內含物; ( 4 )管間紋式為互列紋式; ( 5 )導管射線間紋式為混合型紋與橫列刻痕以及梯狀穿孔
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