语文书 / 例句 /

Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.是什么意思？

Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.

由季戊醇、氢溴酸制备了二溴新戊二醇.

相关词汇
glycol was prepared from and hydrobromic acid

glycol

n. 乙二醇，甘醇；
例句
Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungstic acid as catalyst.
以活性炭负载磷钨酸为催化剂合成了苹果酯,确定了反应的最优条件.

was

v. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质（ be的过去式 ），在，存在，不受干扰；
例句
There was a terrible sadness in her eyes...
她眼神中流露出深深的悲伤。

prepared

adj. 事先准备好的，愿意的，期望的；adv. 事先准备好地，愿意地，期望地；v. 准备( prepare的过去式和过去分词)，预备（饭菜），配备，使（自己）有准备；
例句
The officers and crew prepared to abandon ship in an orderly fashion.
全体船员秩序井然地准备弃船。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；
例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

hydrobromic

adj. 氢溴酸的，溴化氢的；
例句
Dibromo neopentyl glycol was prepared from pentaerythritol and hydrobromic acid.
由季戊醇、氢溴酸制备了二溴新戊二醇.

acid

adj. 酸味的，尖刻的，酸的，酸性的；n. <化>酸，酸味物质；
例句
This comedy of contemporary manners is told with compassion and acid humour.
这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。
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
to maximize returns to shareholders
使股东的利润最大化
He always flies into a tantrum when he’s contradicted.
每当不如意时他就会大发脾气。
Vera is studying law because she wants to become a lawyer.
维拉正在学习法律, 因为她想当律师。
For this revelation he was struck blind by the goddess Hera.
由于揭露此事，他被女神赫拉弄瞎了眼。
Pigs often root about in the mud for their food.
猪经常用鼻子在泥里拱寻食物。
Helen made a successful career in cabaret...
海伦在卡巴莱歌舞表演上非常成功。
The apparitional look of her face was reinforced by the waving tendrils of hair.
一绺绺散乱颤动的头发使她那幽灵似的面容显得更加可怕.
IV. the Error Estimations of Certain Generalized Cubic Spline Interpolation.
一类三次广义样条插值的误差估计.
Given the strength of pressure on both sides, the superpowers may well have difficulties sponsoring negotiations...
迫于来自对方的强大压力，两个超级大国想要组织谈判肯定会有困难。
Half the pleasure of coming home is finding out what’s been happening while you were away.
回家的一大乐事在于发现自己不在时家里发生了什么事情。