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phlo·em 英ˈfləʊˌem美ˈfloˌɛmAHDflōʹĕm' ＳCOCA²²²⁶⁶²BNC⁷⁵⁹⁹¹⁺¹²iWeb⁴⁰⁵⁹⁹
基本英英词源搭配近义反义例句例句
n.韧皮部⁹³;筛部⁷
生命的物质基础
Noun:
botany tissue that conducts synthesized food substances e.g., from leaves to parts where needed; consists primarily of sieve tubes来自德语phloem,韧皮部，由德国19世纪植物学家Karl Wilhelm根据希腊语创造出来的一个词，来自希腊语phloos,树皮。stratified phloem叠生韧皮部phloem fiber韧皮纤维primary phloem初生韧皮部secondary phloem次生韧皮部interfascicular phloem束间韧皮部interxylary phloem木间韧皮部external phloem外生韧皮部
近义词 bast树的内皮
名词100%
用作名词In vascular plants, the xylem andphloemserve to translocate such substances.维管植物的木质部和韧皮部主要进行对这类物质进行运输。
The secondaryphloemconsisted of sieve cells andphloemparenchymas.根的次生韧皮部则由筛胞和韧皮薄壁细胞组成。 ABA in bud and phloem of species was increased by soil drought and there were interrelated notable negative relationships between ABA and water content, sprout rate and survival rate.
各树种在萌芽过程中其芽体和韧皮部中的脱落酸 ABA含量随土壤干旱程度的加重而升高，并与苗体组织含水量、萌芽率及成活率呈显著负相关； cnki
Any of various plants, such as the ferns and seed-bearing plants, in which the phloem transports sugar and the xylem transports water and salts.
各种植物，如厥类植物和含种子的植物，在此植物中韧皮部输送糖分而木质输送水分和盐分。 odict.net
CTV inclusion bodies were observed in phloem tissue of affected Mexican lime petiole freehand section stained with Azure blue, while not found in xylem tissue and parenchyma.
指示植物的病叶叶柄和主脉徒手切片，经苯胺蓝染色后，在韧皮部组织内观察到紫色的病毒内含体，薄壁组织和木质部均不着色。 cnki
Meanwhile, the appearance of mature xylem cells was about a month later than that of mature phloem cells.
成熟木质部细胞的出现比成熟的韧皮部细胞要晚约一个月。 cnki
The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close.
不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。 cnki
The fall of phloem exudation rate concurred with a decrease of potassium concentration and an increase of sucrose concentration of sap.
韧皮部溢泌速率降低伴随汁液中钾离子浓度降低和蔗糖浓度增高。 cnki
The first and the second leaf traces are organized in the middle of the primary phloem.
第一和第二片叶子的叶迹则在初生韧皮部中间发生。 cnki
The larvae feed on the bark inside and phloem after hatched and discharge the mixture composed with white fiber, brown power and feces to the bark.
幼虫孵化后取食松树内皮和韧皮部，在树皮外可见白色纤维状或褐色粉末状木屑与粪便的混合物。 cnki
The results also indicated that omethoate was transported to the xylem along with sap flows went upward and then transferred to the phloem as taking a pest-controlled effect.
检测还表明：氧化乐果由木质部随树液向上输导后再转移到韧皮部而起杀虫作用。 iciba
The ultrastructure of the secondary phloem of Rhus verniciflua Stokes was studies.
本文叙述了漆树茎次生韧皮部各组成分子的超微结构。 cnki
Vascular cambium The ring of CAMBIUM formed by the activity of the interfascicular cambium and the intrafascicular cambium that gives rise to secondary xylem and secondary phloem.
由于维管束内形成层和束间形成层的活动产生的环状形成层结构，它的分裂活动可以形成次生木质部和次生韧皮部。 plb.snnu.edu.cn
A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve- tube element.
一种特殊的软组织细胞，位于开花植物的韧皮部，生长和功能与筛管要素密切联系。 poptool
Between primary xylem and primary phloem there are2—3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.
初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。 cnki
But the very end of such a network, the leaf, has a different architecture. Unlike the xylem and phloem, the veins in a leaf cross-link and loop.
但网络的最边缘——叶子，却具有不同的结构，与木质部和韧皮部不同，叶子的纹路交叉并成环。 ecocn
By analyzing the anatomic characteristics of phloem thickness, sieve density of host tree, the effects of different host tree species on the adhesion density and mortality of K. la cca were studied.
文中还从寄主植物的韧皮部厚度、节管密度等解剖特征研究了不同寄主树对紫胶蚧的固虫密度和死亡的影响。 cnki
Endophytic fungi existed in the local cells of cork and secondary phloem in the root.
内生真菌只在一定区域的皮层和次生韧皮部细胞中分布。 cnki
F- actin of phloem tissue is able to activate the heavy meromyosin ATPase, its activity is8 fold higher than the control.
韧皮部的 F-肌动蛋白能激活兔肌重酶解肌球蛋白 ATP酶的活性，酶活性可被激活8倍以上。 cnki
In the transection section, the area of secondary phloem is much larger than secondary xylem.
在横切面上，次生韧皮部的面积比次生木质部大得多。 cnki
Result The active component content in phloem was the highest, while, successively, in pith and in xylem.
结果大黄中的活性成分含量以韧皮部最高，髓部次之，木质部最低。 chemyq
The assimilate transports in the phloem by liquid form and the water of the liquid mainly comes from the xylem.
同化物在韧皮部中以液流形式运输，液流中的水主要来自木质部。 cnki
The paper reviews the long-distance transport pathway and mechanisms of boron in plants, especially, in phloem.
综述了硼在植物中长距离运输特别是韧皮部运输的研究进展。 cnki
The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.
维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。 cnki
There are some sclerenchymatous cells outside the phloem of each vascular bundle to increase the supporting force of the petiole.
每个维管束的韧皮部外面有数层厚壁细胞，增加叶柄的机械支持作用。 cnki
There were two origin parts of walnut scion callus: the cambium cells and the cortical parenchyma cells between periderm and phloem.
核桃接穗愈伤组织的形成部位有两个；形成层细胞和周皮与韧皮部之间的簿壁细胞。 cnki
These cells stemmed from the promeristem, are the special phloem parenchyma cells.
其来源于原形成层，属特化的韧皮部大型薄壁细胞。 cnki
These facts suggest that the phytoferritin in the secondary phloem might be involved in growth flush, and rubber biosynthesis and wound healing in case of latex exploitation.
这些事实表明，茎次生韧皮部质体中的植物铁蛋白可能与新梢生长和采胶时胶乳再生、伤口愈合有关。 cnki |