xylem

US ['zaɪləm]
UK ['zaɪləm]
  • n.木质部（植物中将水分和矿物质从根部向上输送的组织）
  • Web本质部；莱默；植物的木质部

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Web Definition

xylem
n.
1.
木质部（植物中将水分和矿物质从根部向上输送的组织）the material in plants that carries water and minerals upwards from the root

Sample Sentence

Definition:
AllAll,木质部木质部,本质部本质部,莱默莱默,植物的木质部植物的木质部
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
Heartwood(duramen) The hard central region of a tree trunk made up of xylem vessels that are no longer involved in water transport.
是位于树干中部的硬质区域，由已不涉及水分传输的木质部导管构成。
shì wèi yú shù gàn zhōng bù de yìng zhì qū yù , yóu yǐ bù shè jí shuǐ fèn chuán shū de mù zhì bù dǎo guǎn gòu chéng 。
plb.snnu.edu.cn
2.
Procedurally , xylem pressure potentials can be measured by cutting a stem from a plant and placing it in a pressure bomb apparatus.
程序，木质部压力潜力可以通过削减源于植物和安置它测量在取样压力计用具。
chéng xù , mù zhì bù yā lì qián lì kě yǐ tōng guò xuē jiǎn yuán yú zhí wù hé ān zhì tā cè liáng zài qǔ yàng yā lì jì yòng jù 。
dictsearch.appspot.com
3.
Out of the xylem, there is lot of fiber and the tannin crystal distributes around the air cavity.
叶脉中厚壁组织发达，木质部外纤维数量众多，在气腔周围有单宁结晶分布。
yè mài zhōng hòu bì zǔ zhī fā dá , mù zhì bù wài xiān wéi shù liàng zhòng duō , zài qì qiāng zhōu wéi yǒu dān níng jié jīng fēn bù 。
www.yinghanhuyi.com
4.
The recently developed xylem-pressure probe technique is the only means to directly measure negative pressure in xylem conduits.
此外，木质部压力探针技术是目前唯一可以直接测定导管或管胞中负压的工具。
cǐ wài , mù zhì bù yā lì tàn zhēn jì shù shì mù qián wéi yī kě yǐ zhí jiē cè dìng dǎo guǎn huò guǎn bāo zhōng fù yā de gōng jù 。
www.chinbullbotany.com
5.
According above, diagram of a hypothetical pathway during secondary xylem differentiation was raised.
进而由这些结果提出了木质部细胞分化机理的大致模型。
jìn ér yóu zhè xiē jié guǒ tí chū le mù zhì bù xì bāo fēn huà jī lǐ de dà zhì mó xíng 。
www.pet2008.cn
6.
Such thickening allows extension of the XYLEM between the rings so that it is not ruptured as the surrounding tissues grow.
这样的加厚允许木质部在环间沿展，当周围组织生长时，不会破裂。
zhè yàng de jiā hòu yǔn xǔ mù zhì bù zài huán jiān yán zhǎn , dāng zhōu wéi zǔ zhī shēng zhǎng shí , bú huì pò liè 。
plb.snnu.edu.cn
7.
The distribution of As in the pinna showed that As had great abilities to be transported in xylem vessels and from xylem to mesophyll.
的分布情况如羽片显示，有很大的能力，在木质部运输船只和木质部，以叶肉。
de fēn bù qíng kuàng rú yǔ piàn xiǎn shì , yǒu hěn dà de néng lì , zài mù zhì bù yùn shū chuán zhī hé mù zhì bù , yǐ yè ròu 。
www.syyxw.com
8.
The early formed secondary xylem was characterized by a large number of wood fiber cells with non woody cell wall.
早期生成的次生木质部以细胞壁尚未木质化的木纤维细胞数量居多为特征。
zǎo qī shēng chéng de cì shēng mù zhì bù yǐ xì bāo bì shàng wèi mù zhì huà de mù xiān wéi xì bāo shù liàng jū duō wéi tè zhēng 。
www.chinbullbotany.com
9.
In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.
在老茎中，仅最新的木质部环参与物质的运输。这些木质部环组成边材。
zài lǎo jīng zhōng , jǐn zuì xīn de mù zhì bù huán cān yù wù zhì de yùn shū 。 zhè xiē mù zhì bù huán zǔ chéng biān cái 。
www.jukuu.com
10.
The xylem sap of bottle gourd No. 3 as rootstock was the best one to promote grafting seedling of cucumber to grow significantly.
华瓠杂3号做砧木的嫁接苗伤流液对黄瓜苗的生长有明显的促进作用；
huá hù zá sān hào zuò zhēn mù de jià jiē miáo shāng liú yè duì huáng guā miáo de shēng zhǎng yǒu míng xiǎn de cù jìn zuò yòng ;
paper.pet2008.cn
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