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mendelevium

n. 一种放射性元素

一种放射性元素

WordNet (r) 3.0 (2006) (WordNet)

mendelevium
n 1: a radioactive transuranic element synthesized by bombarding
einsteinium with alpha particles (Md is the current symbol
for mendelevium but Mv was formerly the symbol) [synonym:
{mendelevium}, {Md}, {Mv}, {atomic number 101}]

The Collaborative International Dictionary of English v.0.48 (gcide)

mendelevium \men*de*le"vi*um\ (m[e^]n*d[e^]*l[=e]"v[=e]*[u^]/m),
a. [From Dmitri Mendeleyev, discoverer of the periodic law.]
(Chem.)
an unstable radioactive element discovered in 1955 and
produced artificially only in very small quantities; symbol
Md (also Mv). It is a transuranic element with atomic number
101. Isotopes 255, 256, 257, and 258 have been prepared.
Md258, the longest-lived, has a half-life of two months.
--HCP61
[PJC]

The Elements Database (element)

mendelevium
Symbol: Md
Atomic number: 101
Atomic weight: (256)
Radioactive metallic transuranic element. Belongs to the actinoid
series.
Only known isotope, Md-256 has a half-life of 1.3 hours. First
identified
by Glenn T. Seaborg, Albert Ghiorso and associates in 1955. Alternative
name {unnilunium} has been proposed. Named after the 'inventor' of the
periodic table, Dmitri Mendeleev.

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IRON ROAD LIMITED IRD(ASX) - ASX Share Price News - HotCopper
The Gawler Iron project area covers 3380 square kilometers (km2) and includes over 10 areas of known iron occurrences, including the Mt Christie deposit Its subsidiaries include IRD Port Assets Holdings Pty Ltd and IRD Port Assets Pty Ltd More
投资者关系部（IR）和董秘之间都有哪些异同？ - 知乎
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Ann: Update on Capital Return - HotCopper
Update on Capital Return Share Loaded question : really depends on the following : production from current assets - Lightning very mature and stable decline, SM71 wildcard can they get any oil out of recompleting F5 how will F1 perform longer term etc - do the JV have the funds or inclination to do so, GC21 appears to be relatively stable, MBW OBS are adding but a little

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