语文书 / 例句 /

Hardness is caused by divalent metallic cations.是什么意思？

Hardness is caused by divalent metallic cations.

硬度是由一些两价金属阳离子引起的.

相关词汇
hardness is caused by divalent metallic

hardness

n. 坚硬，<物>硬性，困难，冷酷；

is

vt.& vi. 是（be的三单形式；n. 存在；

caused

人为的；

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

divalent

adj. 二价的；

metallic

adj. 金属的，金属性的，金属制的，含金属的；
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
Each room is distinctively decorated with light, bright colors and floral prints.
每个房间都以淡雅或鲜艳的颜色和印花图案装饰成独特的风格。
Exaggerated sections distort the shapes of folds as well as bed thickness.
比例放大的剖面歪曲褶皱的形态和岩层厚度.
Performers recreated a ceremony to worship the Earth at the Ditan Temple Fair in Beijing.
表演者在北京地坛庙会重现了古时候的礼拜仪式.
Used to tune folk songs, ditty, singing mainly in small places.
所用曲调以民歌 、 小曲 、 地方小唱腔为主.
During the phase patients are often severely ill with marked weakness, abdominal discomfort, and distention.
值此时期,患者的病势常严重:显著衰弱, 腹部不适并臌胀.
The male bird is barely distinguishable from the female.
雄鸟和雌鸟几乎无法辨别.
There was something about him she found disturbing.
他身上有某种东西使她不安。
The waiters were rude and unhelpful, the manager ditto.
这些服务员态度生硬，服务不周，经理也一样。
In the aspect of word construction , these neologisms are mainly disyllabic, phrase simplified and morphology compounded.
这些新词语具有以双音节词为主体,缩略词较多,语素合成占大部分三个特点.
He was disturbed by the inaccuracy of the answers.
很多答案都不准确，为此他感到很烦恼。
The pictures were sensationalist and could seriously disturb younger readers.
这些图片大肆渲染，会让一些比较年轻的读者们惶恐不安。
Your aches, distend pains are normal during treatment.
你的疼痛, 扩大肛痛在治疗期间是常态.
Let's invite her to the disco — she needs distraction.
我们请她去迪斯科舞会 吧,她需要散散心.
Disturbingly, plagiarism fits into a larger pattern of behavior in China.
让人不安的是, 剽窃已经成为整个中国行为模式的一部份.