Elements del període 1 (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Elements del període 1" in Catalan language version.

refsWebsite

Global rank Catalan rank

6doi.org

2^nd place

6^th place

3web.archive.org

1^st place

3webelements.com

3,527^th place

609^th place

2nih.gov

4^th place

7^th place

2nasa.gov

75^th place

51^st place

1iupac.org

538^th place

255^th place

1doe.gov

2,463^rd place

1,065^th place

1ucf.edu

7,594^th place

6,123^rd place

1dtu.dk

low place

1msn.com

117^th place

103^rd place

1blm.gov

5,406^th place

5,806^th place

1howstuffworks.com

840^th place

758^th place

1popsci.com

2,941^st place

3,952^nd place

1sciam.com

6,119^th place

1,663^rd place

1sciencedaily.com

993^rd place

372^nd place

1newscientist.com

774^th place

444^th place

1aapg.org

low place

aapg.org (Global: low place; Catalan: low place)

Brown, David. «Helium a New Target in New Mexico». American Association of Petroleum Geologists, 02-02-2008. [Consulta: 15 juliol 2008].

blm.gov (Global: 5,406^th place; Catalan: 5,806^th place)

Theiss, Leslie. «Where Has All the Helium Gone?». Bureau of Land Management, 18-01-2008. Arxivat de l'original el 2008-07-25. [Consulta: 15 juliol 2008].

doe.gov (Global: 2,463^rd place; Catalan: 1,065^th place)

eia.doe.gov

«Hydrogen – Energy». Energy Information Administration. [Consulta: 15 juliol 2008].

doi.org (Global: 2^nd place; Catalan: 6^th place)

dx.doi.org

Eustis, S. N. «Electron-Driven Acid-Base Chemistry: Proton Transfer from Hydrogen Chloride to Ammonia». Science, 319, 5865, 15-02-2008, pàg. 936-939. DOI: 10.1126/science.1151614. PMID: 18276886.
Rogers, H. C. «Hydrogen Embrittlement of Metals». Science, 159, 3819, 1999, pàg. 1057-1064. DOI: 10.1126/science.159.3819.1057. PMID: 17775040.
Takeshita, T.; Wallace, W.E.; Craig, R.S. «Hydrogen solubility in 1:5 compounds between yttrium or thorium and nickel or cobalt». Inorganic Chemistry, 13, 9, 1974, pàg. 2282-2283. DOI: 10.1021/ic50139a050.
Kirchheim, R.; Mutschele, T.; Kieninger, W «Hydrogen in amorphous and nanocrystalline metals». Materials Science and Engineering, 99, 1988, pàg. 457-462. DOI: 10.1016/0025-5416(88)90377-1.
Kirchheim, R. «Hydrogen solubility and diffusivity in defective and amorphous metals». Progress in Materials Science, 32, 4, 1988, pàg. 262-325. DOI: 10.1016/0079-6425(88)90010-2.
Copel, M. «Helium voice unscrambling». Audio and Electroacoustics, 14, 3, 9-1966, pàg. 122-126. DOI: 10.1109/TAU.1966.1161862.

dtu.dk (Global: low place; Catalan: low place)

Christensen, C. H.; Nørskov, J. K.; Johannessen, T. «Making society independent of fossil fuels — Danish researchers reveal new technology». Universitat Tècnica de Dinamarca, 09-07-2005 [Consulta: 28 març 2008].

howstuffworks.com (Global: 840^th place; Catalan: 758^th place)

Brain, Marshall. «How Helium Balloons Work». How Stuff Works. [Consulta: 15 juliol 2008].

iupac.org (Global: 538^th place; Catalan: 255^th place)

«Periodic Table of Elements». IUPAC, 2021. Arxivat de l'original el 10 abril 2016.

msn.com (Global: 117^th place; Catalan: 103^rd place)

encarta.msn.com

«Pierre Janssen». MSN Encarta. Arxivat de l'original el 2009-10-29. [Consulta: 15 juliol 2008].

nasa.gov (Global: 75^th place; Catalan: 51^st place)

genesismission.jpl.nasa.gov

«The Periodic Table: Understanding Elements Atoms, Elements, and Isotopes» (en anglès). Jet Propulsion Laboratory. [Consulta: 4 desembre 2009].

imagine.gsfc.nasa.gov

Palmer, David. «Hydrogen in the Universe». NASA, 13-11-1997. [Consulta: 5 febrer 2008].

newscientist.com (Global: 774^th place; Catalan: 444^th place)

Cox, Tony. «Origin of the chemical elements». New Scientist, 03-02-1990. [Consulta: 15 juliol 2008].

nih.gov (Global: 4^th place; Catalan: 7^th place)

ncbi.nlm.nih.gov

Eustis, S. N. «Electron-Driven Acid-Base Chemistry: Proton Transfer from Hydrogen Chloride to Ammonia». Science, 319, 5865, 15-02-2008, pàg. 936-939. DOI: 10.1126/science.1151614. PMID: 18276886.
Rogers, H. C. «Hydrogen Embrittlement of Metals». Science, 159, 3819, 1999, pàg. 1057-1064. DOI: 10.1126/science.159.3819.1057. PMID: 17775040.

popsci.com (Global: 2,941^st place; Catalan: 3,952^nd place)

Jiwatram, Jaya. «The Return of the Blimp». Popular Science, 10-07-2008. [Consulta: 15 juliol 2008].

sciam.com (Global: 6,119^th place; Catalan: 1,663^rd place)

Montgomery, Craig. «Why does inhaling helium make one's voice sound strange?». Scientific American, 04-09-2006. [Consulta: 15 juliol 2008].

sciencedaily.com (Global: 993^rd place; Catalan: 372^nd place)

«Probable Discovery Of A New, Supersolid, Phase Of Matter». Science Daily, 03-04-2009. [Consulta: 15 juliol 2007].

ucf.edu (Global: 7,594^th place; Catalan: 6,123^rd place)

fsec.ucf.edu

Staff. «Hydrogen Basics — Production». Florida Solar Energy Center, 2007. [Consulta: 5 febrer 2008].

web.archive.org (Global: 1^st place; Catalan: 1^st place)

«Periodic Table of Elements». IUPAC, 2021. Arxivat de l'original el 10 abril 2016.
«Pierre Janssen». MSN Encarta. Arxivat de l'original el 2009-10-29. [Consulta: 15 juliol 2008].
Theiss, Leslie. «Where Has All the Helium Gone?». Bureau of Land Management, 18-01-2008. Arxivat de l'original el 2008-07-25. [Consulta: 15 juliol 2008].

webelements.com (Global: 3,527^th place; Catalan: 609^th place)

«Helium: the essentials». WebElements. [Consulta: 15 juliol 2008].
«Helium: physical properties». WebElements. [Consulta: 15 juliol 2008].
«Helium: geological information». WebElements. [Consulta: 15 juliol 2008].

Elements del període 1 (Catalan Wikipedia)

aapg.org (Global: low place; Catalan: low place)

blm.gov (Global: 5,406th place; Catalan: 5,806th place)

doe.gov (Global: 2,463rd place; Catalan: 1,065th place)

eia.doe.gov

doi.org (Global: 2nd place; Catalan: 6th place)

dx.doi.org

dtu.dk (Global: low place; Catalan: low place)

howstuffworks.com (Global: 840th place; Catalan: 758th place)

iupac.org (Global: 538th place; Catalan: 255th place)

msn.com (Global: 117th place; Catalan: 103rd place)

encarta.msn.com

nasa.gov (Global: 75th place; Catalan: 51st place)