英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

berkelium    
n. 放射性元素,符号Bk,原子序为98

放射性元素,符号Bk,原子序为98

berkelium
n 1: a radioactive transuranic element; discovered by bombarding
americium with helium [synonym: {berkelium}, {Bk}, {atomic
number 97}]

berkelium \ber*ke"li*um\ (b[~e]r*k[=e]"l[-e]*[u^]m), n. [from
the city of Berkeley, California, location of the University
of California campus where it was discovered.]
a chemical element of the transuranic series. Chemical symbol
Bk; atomic number 97; atomic weight 247. It is a radioactive
element, with no stable isotopes; the longest-lived isotope
is of mass number 247.07, decaying by alpha-emission with a
half-life of 1,400 years. The isotope with atomic weight 249
has a half-life of 314 days, and was isolated in weighable
quantities.

Syn: Bk.
[WordNet 1.5 PJC]


请选择你想看的字典辞典：
单词字典翻译
berkelium查看　berkelium　在百度字典中的解释百度英翻中〔查看〕
berkelium查看　berkelium　在Google字典中的解释Google英翻中〔查看〕
berkelium查看　berkelium　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Education Forward Arizona
    Created through the collective will of diverse sectors and communities across the state, Education Forward Arizona seeks to change the way people see and support education as the key driver to improving the economy and the quality of life in Arizona View our strategic direction overview
  • Education Forward Arizona General Application 2024-2025
    Education Forward Arizona is committed to building a college-going culture in Arizona by providing private scholarships and or mentoring and success services to current Arizona high school seniors with an intent on earning a degree from an accredited Arizona institution
  • Education Forward Arizona | Phoenix AZ - Facebook
    Education Forward Arizona, Phoenix 62,720 likes · 97 talking about this Building a stronger Arizona through workforce-aligned education and training
  • Home - Everything to Gain
    Our communities, workforce, and economy have everything to gain when more Arizonans can obtain education and training after high school
  • Education Forward Arizona - Tucson Regional Educator Collaborative
    Power Hour Recording August 2025 – State and Federal Budget and Policy Impacts for Early Childhood and K12 Education Check out this recording from Education Forward Arizona for the August Power Hour
  • Scholarships - Education Forward Arizona
    Earning a certificate or degree opens doors to personal and professional opportunities and greater economic and social mobility Education Forward Arizona is an exempt organization as described in Section 501 (c) (3) of the Internal Revenue Code; EIN 20-2366755
  • A statewide voice for education: Education Forward Arizona
    This interactive timeline explores 20 years of intentional investments, decisions, and collaborations by Helios Education Foundation that contributed to the creation of Education Forward Arizona (EFA), a statewide organization committed to advancing education in Arizona
  • New organization seeks to improve quality of education, life in Arizona
    The new organization, Education Forward Arizona, combines College Success Arizona, Expect More Arizona and Achieve60AZ and will “work to improve education outcomes and close achievement gaps,
  • Education Forward Arizona - Litchfield Park, AZ
    Together with a growing network of partners and individuals across the state, we are working to build an education-first culture and create opportunities for you to support students and educators – in your home, your local community and statewide
  • Education Forward Arizona (@edforwardaz) - Instagram
    1,417 Followers, 277 Following, 568 Posts - Education Forward Arizona (@edforwardaz) on Instagram: "Creating a brighter future by advancing education for all Arizona students, from early learning through postsecondary "





中文字典-英文字典  2005-2009