梯狀穿孔板 的英文怎麼說
中文拼音 [tīzhuàngchuānkǒngbǎn]
梯狀穿孔板
英文
scalariform perforation plate- 梯 : 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...
- 狀 : 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...
- 板 : Ⅰ名詞1 (片狀硬物體) board; plank; plate 2 (專指店鋪的門板) shutter 3 [音樂] (打拍子的樂器) ...
- 穿孔 : 1 (鉆孔; 鑿孔; 打孔) bore a hole; punch a hole; punching; piercing; tresis; key punching 2 [醫...
-
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;管間紋孔式為互列;射線導管間紋孔式多對列,類似導管面間紋孔式。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;其穿孔板存在著兩種類型: ( 1 )兩端均為1個單穿孔板; ( 2 )一端為1個單穿孔板;另一端為2個單穿孔板; ( 3 )極少數的導管分子具有特殊的內含物; ( 4 )管間紋孔式為互列紋孔式; ( 5 )導管射線間紋孔式為混合型紋孔與橫列刻痕狀紋孔以及梯狀穿孔。
分享友人