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Tracheids
很多
常用释义
词性释义
很多
例句
全部
Tracheids
have
end
walls
and
lateral
walls with the
same
morphological
characteristics
or
structure
,
with
perforation
plates
or
not
.
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。
Where
they occur interspersed
with
the
xylem
they
may
be
distinguished
from
tracheids
by
their
narrower
lumen
.
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。
From
the
present results, we considered
that
tracheary
elements
that conduct
water
and
mineral
in
ferns
and
gymnosperm
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。
Ultrasonic
emission
is
a
phenomenon
with
cavitation
of
vessels
or
tracheids
.
植物的超声发射是导管或管胞里空穴化时的伴随现象。
Many
tracheids
lack
protoplasm
at
maturity
and
have
lignified
secondary
cell
walls
.
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。
and
some
tracheids
are
forked
or
branched
.
部分管胞具有分枝或分叉现象。
Factors
affecting
Longitudinal
Tensile Strength
of
Softwood
Tracheids
Investigated
with
Zero
-
span
Tension
针叶材管胞纵向零距抗张强度的影响因子研究
Estimation
of
Longitudinal
Tensile
Strength
of
Tracheids
with
Zero
-
Span
Tension
Technique
零距拉伸技术评价木材管胞纵向抗拉强度
Longitudinal
MOE
and
hardness
of
different
cell
wall
layers
of
softwood
tracheids
针叶材管胞细胞壁不同壁层的纵向弹性模量和硬度
The
result
showed
that the main
structure
of
fiber
tracheids
still
exited
,
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；