dubnium是什么意思 dubnium的读音、翻译、用法

dubnium是什么意思 dubnium的读音、翻译、用法

'dubnium'一词来源于英语,是元素周期表中的一个化学元素符号,化学符号为Db,原子序数为105。Dubnium是一种放射性元素,由苏联的科学家们在xx年发现,并以苏联第一个核研究机构Dubna命名。

以下为英语中含有'dubnium'的九个例句:

1. Dubnium is a synthetic element, which means it can only be produced in a laboratory.

(Dubnium是一种人工合成的元素,意味着它只能在实验室中制造。)

2. Dubnium is a member of the transactinide series, which includes elements from atomic number 104 to 112.

(Dubnium是超铀系元素的成员之一,该系列包括从原子序数104到112的元素。)

3. Dubnium has a very short half-life, which makes it difficult to study its properties and possible applications.

(Dubnium的半衰期非常短,这使得研究其性质和可能的应用变得困难。)

4. Dubnium was first produced by bombarding a target of americium-243 with accelerated nuclei of neon-22 atoms.

(Dubnium最初是通过用加速的氖-22原子核轰击镅-243靶材而产生的。)

5. Dubnium is a highly unstable element and decays into other elements through alpha decay and spontaneous fission.

(Dubnium是一种非常不稳定的元素,通过α衰变和自发裂变转化为其他元素。)

6. Dubnium has no known biological role and is highly toxic to living organisms.

(Dubnium没有已知的生物学作用,并且对生物体有极高的毒性。)

7. The discovery of dubnium was a significant achievement in the field of nuclear chemistry.

(Dubnium的发现是核化学领域的一项重大成就。)

8. Scientists are still exploring possible applications for dubnium, such as in nuclear medicine and materials science.

(科学家仍在探索Dubnium的可能应用,如核医学和材料科学。)

9. Dubnium is named after the city of Dubna in Russia, where it was first synthesized.

(Dubnium以俄罗斯的Dubna市命名,因为它是在那里首次合成的。)



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