1)sapwood[英]['s?pwud][美]['s?p,w?d]邊材
1.The contents of metal ions in sapwood are higher than those in heart wood.結果發現在實驗范圍內，各種木材原料中都存在由多種金屬離子構成的復雜體系；不同種原料中金屬離子的含量和成分存在著很大差異；針葉木Ｆｅ、Ｍｎ 含量顯著，高于闊葉木；同種原料中，邊材金屬離子含量一般高于心材；不同生長環境會導致木材金屬離子分布出現差異。
2.The transformation of sapwood to heartwood is an important physiological process in most tree species.以東北東部山區溫帶森林的7個主要組成樹種——紅松、興安落葉松、春榆、水曲柳、胡桃楸、黃菠蘿和蒙古櫟為研究對象,比較分析各樹種心材和邊材的生長特征。
3.Experimental results showed that the sap flux density(SFD) of the middle sapwood was higher than the outer and inner;the daily SFDs of different sizes of trees diameter had similar pattern,the bigger trees had higher SFD than the smaller trees due to the difference in size of root system;the mean daily.結果表明:加勒比松邊材不同位點的液流密度由外到內呈低—高—低的態勢;觀測期間林分日液流密度變幅為411~4 120 L。
英文短句/例句
1.Thecolor of sapwood of Chinese white poplar among trees has significant difference.毛白楊邊材材色株間存在顯著差異。
2.Effects of Provenances on Growth Characteristics of Sapwood and Heartwood of Larix gmelinii Trees興安落葉松邊材心材生長特征的種源效應
3.The wood varies in colour from a flesh shade to a light reddish-brown with little distinction between heartwood and sapwood.木材顏色從肉色到淡紅褐色不等，邊材和心材區別很小。
4.One or more layers of living and functional sapwood cells are periodically converted to heartwood.每個生長周期都有一或多層活的邊材細胞轉變成心材。
5.Sapwood contains xylem vessels, but not as strong as heartwood.邊材含有木質導管，但不如中心木質那樣堅硬。
6.mount of textile materials for fans風扇邊飾,紡織材料制
7.Piles of lumber were stacked along the road.大量的木材堆放在路邊。
8.CALCULATION ON HOLE-EDGE STRESS OF COMPOSITE MATERIAL PLATE WITH HEXAGON HOLES帶有六邊形孔的復合材料板之孔邊應力計算
9.A piece of material sewn to the edge of a garment, such as a dress or coat, as lining or decoration.貼邊，鑲邊作為陪襯或裝飾縫在衣服，如裙子或大衣邊上的一塊材料
10."Facing:a piece of material sewn to the edge of a garment, such as a dress or coat, as lining or decoration.""貼邊,鑲邊:作為陪襯或裝飾縫在衣服,如裙子或大衣邊上的一塊材料."
11.line near the edge with a different material, as of a garment.用不同的材料在衣服上加邊。
12.To sand flat edges or complex profiles, whether solid veneer or substrate material.砂光平面邊部或剖面，實木單板或基材。
13.Localize and/ or edit collateral materials related to games.漢化或編輯與游戲相關的周邊資料、材。
14.Boundary friction is independent of the guide material used.邊界摩擦與導紗桿材料質地無關。
15.Numerical Analysis of Edge Effect in Laminated Composite Structures層狀復合材料結構邊緣效應數值分析
16.Treatment for Crack and Material Discontinuity with Natural Element Method自然單元法計算裂紋與材料邊界問題
17.Studies on pulping performance for poplar leftover bits and pieces with mulberry branch楊木邊角材-桑枝混合制漿性能探索
18.Stress distribution near the opening and stress concentration for composite laminates with a circular opening含孔復合材料層合板孔邊的應力集中
相關短句/例句
edge;narrow face,narrow face材邊
3)edgings[英]['ed?i?][美]['?d???]邊材;紙邊
4)Heartwood lumber邊材板材
5)sap wood邊材(木材)
6)sapwood[英]['s?pwud][美]['s?p,w?d]邊材;液材
延伸閱讀
邊材1.治理邊疆的人才。 2.木材外圍色澤較淡的部分。
