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double bonds
双键:有机化学中
常用释义
词性释义
双键:有机化学中,双键是对含1根σ键和1根π键的共价键的分类称呼。
例句
全部
Buckyballs
,
as they
became
known colloquially,
are
football
-
shaped
molecules
made
of
60
carbon
atoms
linked
by
single
and
double
bonds
.
现在已经成为通俗语的巴克球,是一种由单双链连接的60个碳原子组成的足球状分子。
The
block
copolymer
reacted
with
acryloyl
chloride
to
obtain
amphiphilic
block
copolymers
with
unsaturated
double
bonds
at
the
terminal
.
该嵌段共聚物再与丙烯酰氯反应得到末端带有不饱和双键的两亲性嵌段共聚物。
If
there
are two
or
more
double
bonds
,
the
ending
is
-
diene
,
-
a
triene,
etc.
如果有二个或更多的双键,词尾应为–adiene(二烯),-atriene(三烯),以此类推。
It was
found
that
isomerization
existed
between
dihydropimaricisopimaric-
type
resin
acids
due
to
the
shift
of
double
bonds
.
发现在二氢海松酸异海松酸型树脂酸的分子间存在因双键移位而引起的异构现象。
In
this
reaction
,
the
double
bonds
between
the
carbon
atoms
open
and
the
molecules
arrange
themselves
in
a
long
line
.
在这反应,在碳原子之间的双键打开,并且分子安排自己在长行。
OxidATion
of milk fAT may
occur
AT the
double
bonds
in the
unsATurATed
fATty acids
,
giving
rise
to
undesirable
flavours (see Flavours)
.
不饱和脂肪酸的双键易发生氧化反应,并产生不良气味。
These
double
bonds
are
transformed
from
the
natural
"
cis
"
configuration
to
the "
trans
"
configuration
.
这些剩余的双键就由天然的顺式构型转化为反式构型。
Therefore,
this
method
provides
a
new
technical
tool
for
the
location
of
double
bonds
in the
unsaturated
fatty acids
.
本方法为不饱和脂肪酸中碳碳双键的定位提供了新的技术手段。
It meant the
more
the
functionality
of
polyurethane
acrylates
,
the
lower
the
double
bonds
converted
.
研究发现,随着丙烯酸官能度的增多,双键转化率随之降低;
The
more
unsaturated
fatty acids
(
double
bonds
)
the
more
susceptible
the
fat
is to
rancidity
.
不饱和脂肪酸(双结合)越多脂肪越容易腐臭。
网络释义
双键
有
双键
(
double bonds
)之烯类化合物如丙烯酸(acrylic acid)、丙烯醯胺(acrylamide)反应,