tracheids

tracheids读音音标

英

美

tracheids意思解释

n.

【植】管胞

网络

假导管；管胞细胞

变形

复数：

tracheids

英英释义

tracheid

[ trə\'ki:id, \'treiki- ]

n.

long tubular cell peculiar to xylem

双语例句

1.

Tracheids

haveendwallsandlateral

walls with the

samemorphologicalcharacteristicsorstructure,

with

perforationplatesornot.端壁和侧壁形态及结构分别相同，有或无穿孔板的管状分子为管胞。2.Where

they occur interspersed

withthexylem

they

may

be

distinguished

from

tracheids

by

theirnarrowerlumen.纤维分布与木质部相似，其狭窄的腔可与管胞区分开来。更详细。dict.bioon.com3.

From

the

present results, we considered

that

tracheary

elements

that conduct

waterandmineralinfernsandgymnosperm

are

tracheids

.由此可以推测蕨类植物和裸子植物中输导水分和矿物质的管状分子主要为管胞。4.Ultrasonicemissionis

a

phenomenonwithcavitationofvesselsor

tracheids

.植物的超声发射是导管或管胞里空穴化时的伴随现象。www.fabiao.net5.Many

tracheids

lack

protoplasmatmaturityand

have

lignifiedsecondarycellwalls.许多管胞的原生质体会在成熟时消失，同时细胞壁进行木质化的次生加厚。6.

and

some

tracheids

areforkedorbranched.部分管胞具有分枝或分叉现象。www.juyy.net7.FactorsaffectingLongitudinalTensile Strength

of

SoftwoodTracheidsInvestigated

with

Zero

-

span

Tension

针叶材管胞纵向零距抗张强度的影响因子研究www.ilib.cn8.Estimation

of

LongitudinalTensileStrength

of

Tracheids

with

Zero

-

SpanTensionTechnique零距拉伸技术评价木材管胞纵向抗拉强度www.ilib.cn9.Longitudinal

MOE

andhardnessof

different

cellwalllayers

of

softwoodtracheids针叶材管胞细胞壁不同壁层的纵向弹性模量和硬度www.ilib.cn10.

The

resultshowed

that the main

structure

of

fiber

tracheids

stillexited,but

had some

fracture;结果表明：受热后，炭化白松管胞纤维结构仍然存在，但是出现断裂和破碎；12