木质部发生的英文
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"木质部发生"怎么读用"木质部发生"造句
英文翻译手机版
- xylogenesis
- "木质部"英文翻译 xylem; hadromestome
- "发生"英文翻译 happen; occur; take place; a ...
- "木质部" 英文翻译 : [植物学] xylem; hadromestome
- "初生木质部" 英文翻译 : primary xylem; primery xylem; protoxylem
- "次生木质部" 英文翻译 : metaxylem; secondary xylem; secondary wood; secondaryxylem
- "后生木质部" 英文翻译 : deutoxylem; metaxylem
- "脊木质部" 英文翻译 : carinal xylem
- "类木质部的" 英文翻译 : xyloid
- "离心木质部" 英文翻译 : centrifugal xylem
- "木质部(木材)" 英文翻译 : xylem(wood)
- "木质部岛" 英文翻译 : xylem island
- "木质部分子" 英文翻译 : xylem element
- "木质部射线" 英文翻译 : wood ray
- "木质部束" 英文翻译 : xylem bundle
- "木质部系统" 英文翻译 : xylem system
- "木质部运输" 英文翻译 : xylem transport
- "木质部汁液" 英文翻译 : xylem sap
- "木质部蛀虫" 英文翻译 : wood borer
- "束间木质部" 英文翻译 : interfascicular xylem
- "束中木质部" 英文翻译 : fascicular xylem
- "双木质部的" 英文翻译 : dixylic
- "无维木质部" 英文翻译 : hadrome
- "向心木质部" 英文翻译 : centripetal xylem
- "原生木质部" 英文翻译 : protoxylem
- "中心木质部" 英文翻译 : juvenile wood
例句与用法
- In seed plants the protoxylem occurs at the innermost edge of the vascular bundles in stems , but external to the later - formed xylem in roots
在种子植物中,原生木质部发生在茎的维管束的最内方,但在根中,位于后生木质部的外方。 - 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
结果表明:气生不定根具有以下结构特征和发育特点: ( 1 )根为二原型,侧根正对着木质部发生; ( 2 )幼根内皮层细胞具凯氏带加厚,维管柱内紧挨中柱鞘内侧具有2 ~ 4层大型薄壁细胞; ( 2 )根中无髓和树脂道; ( 4 )次生结构发生于根毛区,维管形成层由初生木质部和初生韧皮部之间的薄壁细胞转化形成; ( 5 )中柱鞘和栓内层细胞富含单宁类物质; ( 6 )次生韧皮部有石细胞,次生木质部射线发达。 - Under the condition of different soil humidity and measuring time , a series of ecophysiological indexes , such as net photosynthetic rate , transpiration rate , stomatal conductance , the flow of water , atmospheric temperature , relative humidity , photosynthetic available radiation , and hydraulic conductivity are measured in order to find the factors which cause robinia xylem embolism
摘要在不同的土壤水分含量和不同的测定时间条件下,对刺槐的一系列生理生态指标:净光合速率、气孔导度、蒸腾速率、水势、大气温度、相对湿度、光合有效辐射以及导水率进行测定,探求刺槐木质部发生栓塞的影响因子。
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