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ra·di·um 英ˈreɪdiːəm美ˈrediəmAHDrāʹdē-əm ☆☆☆☆☆常高四六４COCA⁵⁵⁹⁶¹BNC⁴⁹⁴³⁹iWeb²⁷⁵³⁷
基本英英词源搭配记法近义反义派生词例句例句
n.化镭元素符号Ra简写符号Ra
Noun:
an intensely radioactive metallic element that occurs in minute amounts in uranium ores1898年，居里夫人和她老公发现第一种发射性元素后，就将其命名为radium，字面意思就是“具有放射性的物质”。radium series镭系radium necrosis放射性坏死,镭性坏死…radium therapy镭锭疗法radium contamination镭污染radium family镭系radium rays镭射线radium chloride氯化镭radium equivalent镭当量radium sulfate硫酸镭radium needle镭针radium plaque小镭板,镭点源…radium dating镭年代测定法…radium poisoning镭中毒radium applicator施镭器
钱博士radi辐射+um名词后缀，在化学领域表示金属元素→具有放射性的化学元素⇒镭
词根radi-放射，辐射来自拉丁语，本意为车轮的辐条，引申为像辐条一样的放射状事物。
词源解释1898年，居里夫人和她老公发现第一种发射性元素后，就将其命名为radium，字面意思就是“具有放射性的物质”。非常记忆ra瑞〖谐音〗+diu丢〖拼音〗+m麦当劳〖编码〗⇒瑞瑞把镭丢在麦当劳了radi辐射+um名词后缀，在化学领域表示金属元素→具有放射性的化学元素⇒镭。近义词 Ra化元素镭radiu…
Pradium-needle镭针Pradiumology镭疗学Pradiumization用镭法Pradiumotherapy镭疗法Pradiumologist镭疗学家Pradiumtherapyn.镭疗法Pteleradium远距施镭远距镭照射
名词100%
用作名词Radium and uranium are radioactive elements.镭和铀是放射性元素。
Madame Curie discovered the elementradium.居里夫人发现了镭元素。 So, I mentioned at the beginning, while he was working with this radium bromide that I was very relieved to see that it did not kill him to do these experiments.
我在最开始就说了，由于他工作时接触到了溴化镭,我非常欣慰的,看到它做这些实验。163
The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭暖气装置的辐射半径在体育场是易变的。 hjenglish
The Radium Institute's work would have to wait for peacetime. But surely there were ways in which Curie could use her scientific knowledge to advance the war effort.
镭学研究院的工作只能等到和平时期再进行，但可以肯定的是，居里夫人能用她的科学知识促进战争的结束。 yeeyan
All four authors of this nomination letter were fully aware that Marie Curie alone, was responsible for the isolation of a decigram of pure radium.
这封提名信的所有的四个作者完全知道玛丽·居里，一个人负责提炼（分离出一分克的纯镭。 yeeyan
But he does manage to track down some elements traders who will sell him magnesium salvaged from ships and radium from the glowing hands of old wristwatches.
但他确实设法追查到了某些元素贸易商，从他们手中买下了从沉船中打捞的镁和老式手表发光指针上的镭。 ecocn
By1898, Pierre was focused on understanding the meaning of radium, while Marie took on the formidable task of isolating it.
在1898年，皮埃尔的工作集中在了解镭的意义，而玛丽担任了提炼即分离元素的艰苦工作。 yeeyan
France's entire stock of radium for research was the single gram in Curie's lab.
法国在镭方面研究的全部家当就只有居里夫人实验室里的那0.1克镭。 yeeyan
In 1898 they discovered polonium and radium.
1898年，他们发现了钋和镭。 edu.sina.com.cn
In fact, radium not only damaged their health.
事实上，镭不但损害了他们的健康。 tingroom
It is produced from radium in the decay chain of uranium, an element found in varying amounts in all rocks and soil.
它产生于铀衰变链中的镭，而铀是所有岩石和土壤中都能找到的一种元素，含量各不相同。 who
It was what they had been working so hard to find: pure radium.
这就是他们一直辛勤劳动、孜孜以求的东西：纯镭。 edu.sina.com.cn
Madame Curie devoted all her time to the study of radium.
居里夫人一生致力于镭的研究。 edu.sina.com.cn
Madame Curie discovered radium.
居里夫人发现了镭。《21世纪大英汉词典》
Madame Curie was the physicist with expertise in chemistry that, in1898, discovered the radioactive substances of radium and polonium in Paris, France.
居里夫人是一位具有化学专门知识的物理学家。1898年，她在法国巴黎发现了放射性物质的镭和钋。 yeeyan
Madame Curie will always be remembered as the discoverer of radium.
居里夫人作为镭的发现者将永远为人们所怀念。 edu.sina.com.cn
Radon comes from radium decay.
氡来自镭的衰变。 yeeyan
She named the other radium. She measured the amount of radioactivity, an atomic property, and felt that the radioactivity was proportional to the amount of the element.
她测量了这两个元素放射性的总量和原子性质，感觉到物质的放射性是同放射性元素的总量成比例的。 yeeyan
She was the first to isolate pure radium, and was world renowned as the leading expert on radiation.
她以最早提炼出纯镭的第一位辐射学专家而闻名于世。 yeeyan
We begin in1911, when the Nobel Committee announced that its Chemistry Prize would go to Madame Marie Curie for her work with radium and polonium.
我们从1911年开始，那年诺贝尔组织宣布了化学奖将授予居里夫人，因其她在镭和钋所做的研究。 yeeyan
Years later, after a brutal political fight, Marie was awarded the Nobel Prize for chemistry for determining the atomic weight of radium.
几年以后，终于在一次残酷的政治斗争的以后，由于居里夫人确定了镭元素的原子量，而单独地获得了诺贝尔化学奖。 yeeyan |