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Betula
桦属
常用释义
词性释义
n.
[植] 桦木属
例句
全部
桦属
Toadstools were
collected
from
a range
of
pure
stands
of
Betula
and
Pinus both in
Britain
and
the
U.
S. A.
从英国和美国一系列桦木和松树纯林中收集蕈体。
We
still
skim
the
back
waters
of
ponds
and
streams
for
the
seed
of
Betula
,
Acer
Salix
and
Populus
species
.
我们仍然要在池塘的静水上和溪流中捞取桦木，槭树、杨、柳等树的种子。
The
bound
water
content
,
water-possessing
ability
of
Betula
albosinensis
is
higher
,
and
resisting
drought
by
delaying
dehydrate
.
红桦组织细胞束缚水含量较高、持水力较强，主要以延迟脱水的方式抵御干旱；
Classification
and
distribution
of
the
genus
Betula
L
.
in Inner
Mongolia
.
内蒙古桦木属植物的分类与分布。
This
shows
natural
Betula
L
.
in
Hebei
province
basically
belongs
to the relative
even
-aged
stand
.
这表明目前河北省的桦树天然林基本上是同龄林。
In
two secondary
forests
,
Populus
davidiana
fine
root
decomposition
rate was
faster
than
Betula
platyphylla
's
.
在白桦山杨幼林和成熟林中，山杨的细根分解均比白桦细根快。
At
present
,
Natural
Betula
L
still
acts an
important
role
in
social
benefit
and
ecological
benefit
.
目前，桦树天然林在社会效益、生态效益方面依然发挥着非常重要的作用。
Niche
relationships
between
Betula
platyphylla
and
main
understory
herbages
in
forest
-
steppe
ecotone
of
Daxingan -ling
Mountains
.
大兴安岭森林草原过渡带白桦及主要草本植物生态位关系的研究。
Betula
forests
,
ca
.
1700
m
.
Heilongjiang
,
NW
Liaoning
[
Mongolia
,
Russia
(
Siberia
);
Europe
]
.
桦树林，大约1700米。黑龙江，辽宁西北部的[蒙古，俄罗斯（西伯利亚）；欧洲]。
In
the
past
national economic
construction
,
Natural
Betula
L
stands
once
played
an
important
part
.
在以往的国民经济建设中，桦树天然林曾发挥了极其重要的作用。
The
fluctuant
and
conventional
drying
technologies
for
22 mm-thick
Birch
(
Betula
platyphylla) were
tested
and
compared
.
进行了桦木波动干燥工艺和常规干燥工艺的对比试验。
In a
word
,
the
color
of
Betula
costata Trautv
during
drying
tent
to
be
red
and
dark
.
总的来说，干燥过程中枫桦的颜色向红色和深色方向发展。
Objective
:
To
establish
two-dimensional
electrophoresis
(
2
-
DE
)
patterns
of
flower
-
bud
for
Betula
platyphylla
.
目的：初步建立白桦花芽蛋白质组研究的双向电泳（2-DE）技术，以提高其分辨率及重复性。
Betula
ermanii
and
Alnus mandshurica
predominated
in
the
colonizing woody
species
on
forest
boundaries
.
林缘入侵物种主要由岳桦和东北赤杨组成。
any
betulaceous
tree
or
shrub
of
the
genus
Betula
having
a
thin
peeling
bark
.
桦属的任何一种桦树或灌木，有薄的剥落的树皮。
The
origin
of
some
natural
Betula
L
.
stand is
seedling
.
Some
are
sprout
forest
.
桦树天然林的起源有实生的，也有萌生的。
Granite
boulders
in
deep
shade
of
Betula
forests
,
grassy
cliff
ledges
,
steep
hillsides
;
3600
--
4100
m
.
Xizang
.
在桦树森林，长满草的悬崖壁架，陡的山腰的深的荫凉的花岗岩大石头；3600-4100米西藏。
Interspecific
association of
dominant
species
in
Betula
luminifera
natural forest
communities
of Shaowu, Fujian Province
.
光皮桦天然林群落优势种群的种间联结性研究。
An experiment was
conducted
to
study
the effects
of
light
and
temperature
on the
storage
and
germination
of
Betula
luminifera
seeds
.
对光皮桦种子不同温度贮藏和种子发芽的光反应进行了研究。
Spectrophotometric
Methods
to
Determine
the Grand
Total
of the
Triterpenoids
in
Betula
分光光度法测定白桦三萜类物质总量
Photosynthetic
characteristics
of
seedlings
of
Betula
alleghaniensis
加拿大黄桦幼苗光合特性的研究
Artificial
neural
networks
as
a
useful
tool
to
predict
the
risk
level
of
Betula
pollen
in the
air
作为一种预报空气中Betula花粉危险尺度的有效方法人造神经网络
Application of the
Sequential
Sample
Cluster
Analysis
in the
Height
Growth Stage
Division
of
Betula
luminifera
Seedlings
光皮桦苗高生长期划分有序样本聚类分析哪
Study
on
Niche
of
Betula
luminifera
Population
and
Its
Main
Associated
Tree Species
in Fuyuan,
Yunnan
云南富源光皮桦种群与主要伴生树种生态位研究
Validation
of
Two
Names
Betula
jiulungensis
(
Betulaceae
)
and
Rubia
ovatifolia
(
Rubiaceae
)
九龙桦（桦木科）与卵叶茜草（茜草科）名称的合格发表
Tree
species
diversity
in
Betula
Luminifora
community
under
different
intensities
of
disturbance
不同干扰强度下光皮桦群落树木物种多样性比较
Shrinkage
characteristics
of
Castanopsis
hystrix
and
Betula
alnoides
plantation
wood
红锥和西南桦人工林木材干缩特性的研究
The Biological
Characteristic
and
Development
Potentialities
of
Betula
alnonides
in
Fujian
西南桦的特性及其在福建的发展潜力
The
effects
of
light
intensities
on
survival rate
and
growth
of
Betula
luminifera
seedlings
遮光对光皮桦苗木存活率及生长效应分析
The
Growth
Difference
of
Different
Betula
alnoides
Provenances
in
South
Subtropical Mountainous Areas
不同种源西南桦在云南景东的生长差异
1·This research demonstrated:Surface pollen content of Betula and Pinus is much more than their coverage in community, so they have extra representation;
研究表明：桦属和松属在表土中的花粉百分含量大于群落中植物的盖度，具超代表性；
同根词
(词根Betula)
Betulaceae
n
[植] 桦木科