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- Sapwood contains xylem vessels, but not as strong as heartwood. 边材含有木质导管,但不如中心木质那样坚硬。
- Apoplast The mostly continuous system of cell walls, intercellular air spaces, and xylem vessels in a plant. 共质体:是通过胞间连丝把无数原生质体联系起来形成一个连续的整体。
- The degree of lignification varies from slight in protoxylem to heavy in sclerenchyma and some xylem vessels, but values of 25-30% lignin and 50% cellulose are average. 不同部位的木质化的程度不同,原生木质部中只有轻微的加厚,而在厚壁组织和一些木质部导管中则进一步加厚,平均含25%25-30%25的木质素和50%25的纤维素。
- Root pressure The pressure that may build up in a plant root system due to the root cells, which is thought to help force water upward in the xylem vessels. 根压:由于根渗透势而形成的植物根内压力,可以帮助水分在木质部中的上升,这一作用可通过切断茎,水从切口渗出的现象得到证实。
- Capillarity(capillary action) The rise or fall of liquids in narrow tubes as a result of the surface tension of the liquid, which causes the water to adhere to solid surfaces, such as soil particles or the walls of xylem vessels. 毛细现象(毛细管作用):由液体表面张力引起的液体在细管中上升或下降的现象,毛细现象引起水和固体表面的粘合作用,例如土壤颗粒或木质部导管壁。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- They plotted the new position of each vessel. 他们标明每艘船的新位置。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- The damaged vessel was listing badly. 受损坏的船倾斜得很厉害。
- Observation and Study of Vessel Elements of Secondary Xylem in. 次生木质部导管分子观察研究。
- First the surgeon performed the section of the blood vessel. 外科医生首先切开血管。
- A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘
- They transited the goods to another vessel. 他们将货物转运到另一条船上。
- Sapwood contains xylem vessels, but not as strong as heartwood 边材含有木质导管,但不如中心木质那样坚硬。
- A line used in towing a vessel or vehicle. 拖绳用来拖船只或车辆的绳索
- A vessel used for boiling and evaporating liquids. 蒸发皿用来煮沸或蒸发液体的器皿
- Inflammation of a vessel of the body. 脉管炎身体的脉管感染
- A drinking vessel filled to the brim. 干杯中的满杯已满到边沿的一大杯
- A vessel for storing compressed gas. 气罐贮存压缩气体的容器
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的