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betulaefolia
betulaefolia
常用释义
词性释义
betulaefolia
例句
全部
The
volatile
oil
from
the
fruits
of
Pyrus
betulaefolia
Bunge was
abstracted
by
steam
-
stilling
and
analyzed
by GC
-
MS
method
.
采用水蒸气蒸馏法从杜梨果实中提取挥发油，用气相色谱-质谱对化学成分进行鉴定。
Preliminary
study
of the fruiting
features
and
maturing
condition
of Pyrus
betulaefolia
棠梨果实特性和成熟情况初步研究
Study
on the
Extraction
Methods
and
Content
Measurement
of
Polysaccharide
from
Pyrus
betulaefolia
Bunge
Fruit
杜梨果实多糖提取方法及含量测定的研究
Chemical
Components
in
Volatile
Oils
from the Flowers
of
Pyrus
betulaefolia
Bunge
杜梨花挥发油化学成分的研究