Helium

Known as: He, He element, Helium [Chemical/Ingredient] 
Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not… (More)
National Institutes of Health

Papers overview

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Highly Cited
2012
Highly Cited
2012
Permeation through nanometer pores is important in the design of materials for filtration and separation techniques and because… (More)
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Highly Cited
2008
Highly Cited
2008
We demonstrate that a monolayer graphene membrane is impermeable to standard gases including helium. By applying a pressure… (More)
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Highly Cited
2007
Highly Cited
2007
High-precision stepped-heating experiments were performed to better characterize helium diffusion from apatite using Durango… (More)
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Highly Cited
2006
Highly Cited
2006
BACKGROUND In medicine, lasers have been used predominantly for applications, which are broadly termed low level laser therapy… (More)
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Review
2005
Review
2005
Donald F. Gleason in 1966 created a unique grading system for prostatic carcinoma based solely on the architectural pattern of… (More)
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Review
2005
Review
2005
CONTENTS Background and purpose… (More)
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Highly Cited
2004
Highly Cited
2004
Predicting the fate of chemicals that leach from waste deposits and deciphering their transport in the invisible subsoil must… (More)
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Highly Cited
2003
Highly Cited
2003
A method for obtaining strongly polarized nuclear spins in solution has been developed. The method uses low temperature, high… (More)
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Highly Cited
2003
Highly Cited
2003
Solar photospheric and meteoritic CI chondrite abundance determinations for all elements are summarized and the best currently… (More)
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Highly Cited
1987
Highly Cited
1987
The complexity and dependence on learning of many bird sounds have suggested parallels between birdsong and human speech1–4, but… (More)
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