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从字面上看，制造超重元素很简单：只要将2种较轻元素粉碎重新组合，获得新的特定原子序，就能形成新元素，就像数学基本算术1+2=3一样，比如为了制造具118个质子的元素鿫（Oganesson），科学家通常会朝鉲（Californium，具98个质子）发射 ...

PATNA: Bihar Police arrested a three-member smuggling gang Friday and confiscated from them 50gm of a radioactive substance ...

The material, which police said was the element Californium, was found when a car was searched in the Pursaklar suburb of the city, NTV news channel reported (in Turkish). Four people in the car ...

人民币兑巴西雷亚尔(CNY BRL)实时汇率计算器可让您轻松换算任意数量人民币至巴西雷亚尔。计算基于外汇牌价实时行情数据，只需输入金额，换算结果根据最新汇率实时呈现。

The heaviest practical target in these experiments is californium-249, which has 98 protons. To create element 120, ...

Click on the images below to automatically tweet the element infographics. Download the PDFs to make your own wall displays or education resources. We've also created a range of IYPT-themed, ...

欧元兑日元(EUR JPY)实时汇率计算器可让您轻松换算任意数量欧元至日元。计算基于外汇牌价实时行情数据，只需输入金额，换算结果根据最新汇率实时呈现。

Production of monoenergetic neutrons between 0.1 and 23 MeV: Neutron energies and cross-sections; 1–4. The neutron spectrum of spontaneous fission of californium-252; 1–5. Decay data for radionuclides ...

MR. N. J. PETCH has found that the α-form of tungsten occurs in sputtered films and deposits, whereas the only previously reported occurrence was in specimens prepared by electrolytic extraction.

Thirteen indicators were used to calculate this institution's overall Best Global Universities rank. Here is a breakdown of how this institution ranked relative to other schools for each indicator.

Alkali metals: Alkali metals have a single electron in their outermost energy level, so they bond readily with other elements. They are typically soft enough to slice with a knife and are good ...