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1H-,13C-NMR
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1.
The
chemical
structure
of
as
synthesized
modified
coumarin
dyes
were
characterized
by
the
nuclear magnetic resonance
spectra
(
1H
-
,
13C-
NMR
)
.
合成
出
改
质
过
的
香
豆素
染
料
，
其
化学
结构
以
核磁共振
光谱
术
（
1H-，13C-NMR
）
鑑
定
；
hé chéng
chū
gǎi
zhì
guò
de
xiāng
dòu sù
rǎn
,
qí
huà xué
jié gòu
yǐ
hé cí gòng zhèn
guāng pǔ
shù
(
yī H-, shí sān C-NMR
)
jiàn
dìng
;
www.etop.org.tw
