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R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.是什么意思?
R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.
相关词汇
is
replaceable
function
acetoxy
their
acyloxy
and
alkoxy
or
halo
is
vt.& vi. 是(be的三单形式;n. 存在;
replaceable
adj. 可代替的;
function
n. 功能,作用,应变量,函数,职务,重大聚会;vi. 有或起作用,行使职责;
acetoxy
--
their
pron. 他(她,它)们的,在提及性别不详的人时,用以代替 him 或 her;
acyloxy
adj. 酸基的,酰氧基的;
and
conj. 和,与,而且,于是,然后,因此;
alkoxy
adj. 烷氧基的;
or
conj. 或,或者,还是,不然,否则,左右;prep. <古、诗>在…之前,比…更早;n. [纹章]黑金色、黑色;
halo
n. 光环,荣光,(日月等的)晕;vt. 使有晕轮,围以光环;vi. 成晕轮;
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿,听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘,一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时,可以向商业票据的背书人要求支付的权力。
相关例句
In April 1944 he was killed on active service.
1944年4月他在战时服役中阵亡。
He actually became convinced that the nurses had an unanswerable case.
他实际上已经相信了护士们的情况确实如此。
Be careful what you say your remarks may be actionable.
你说话要小心--你的话是可用来控告你的.
A: We have to get into the building without activating the alarm.
我们一定要在不触动警铃的状态下进入屋内.
He had demonstrated considerable business acumen.
他展示了出色的经商才能.
Acrylic fabrics are both warm and washable.
丙烯酸纤维织物既暖和又耐洗.
The compound of acryloyl chloride was synthesized by benzoyl chlorid and crylic acid.
利用苯甲酰氯与丙烯酸反应制备丙烯酰氯.
The inheritance hierarchy is actually a directed acyclic graph.
注意:继承实际上是开放的层次关系.
They actually moved down from upstairs because the rent's that expensive.
他们确实从楼上搬到了楼下,因为房租太贵了。
They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods.
即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.
Objective : To study on an actuarial model of premium for diabetics.
目的: 提出不同参保对象条件下,糖尿病保险费精算模型的确定方法.
One advisable way is to synthesize NFM acylating morpholine with formic acid as acylating agent.
较可取的是以甲酸为酰化剂,吗啉酰化初期强放热反应,该类反应安全操作条件是安全生产的关键.
Twenty cases were diagnosed with complex cyanotic cardiovascular malformauions and 4 with acyanotic heart disease.
结果诊断紫绀型复杂心血管畸形20例,无紫绀型心血管畸形4例.
She is said to be stepping out with actor Matt Dillon.
据说她和演员马特·狄龙一起公开露面了。
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