Výsledky vyhledávání - "R L, Hubbard"

Developmental variation in the context of marijuana initiation among adolescents

Autor: S L, Bailey, R L, Hubbard

Publikováno v: Journal of health and social behavior. 31(1)

A longitudinal sample of 3,454 secondary school students is used to examine the variations in the contexts of marijuana initiation which may be attributable to developmental changes during adolescence. Concepts representing the context of initiation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e8c66cdbb7c5731bad04b5b53214d845
https://pubmed.ncbi.nlm.nih.gov/2313077

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Treating combined alcohol and drug abuse in community-based programs

Autor: R L, Hubbard

Publikováno v: Recent developments in alcoholism : an official publication of the American Medical Society on Alcoholism, the Research Society on Alcoholism, and the National Council on Alcoholism. 8

The key issues in effective treatment of combined alcohol and drug abuse are identified as comprehensive diagnosis, effective services, and long-term recovery. Empirical data from community-based alcohol and drug treatment studies are presented, illu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::bd74578a6681668306fe6d36caae9db8
https://pubmed.ncbi.nlm.nih.gov/2185522

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A Procedure for Calculating Fuel Gas Blend Knock Rating for Large-Bore Gas Engines and Predicting Engine Operation

Autor: R. L. Hubbard, F. S. Schaub

Publikováno v: Journal of Engineering for Gas Turbines and Power. 107:922-930

This paper describes the procedure developed by Cooper-Bessemer for large-bore gas engines to calculate the knock rating of gas fuel blends and to predict with accuracy the required engine build to use that fuel with optimum detonation margin. Engine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0907bc8744a572ce245633daf0e6fdb6
https://doi.org/10.1115/1.3239837

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Determination of Asphaltenes, Oils, and Resins in Asphalt

Autor: R. L. Hubbard, K. E. Stanfield

Publikováno v: Analytical Chemistry. 20:460-465

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f9d1ad1bf1f969bdfcdfb7045f6c801
https://doi.org/10.1021/ac60017a015

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Quantitative Determination of Organic Disulfides

Autor: J. S. Ball, W. E. Haines, R. L. Hubbard

Publikováno v: Analytical Chemistry. 30:91-93

Few published methods for determination of disulfides in petroleum and its products have been tested on a variety of disulfides. The availability of disulfides of known purity allowed comparison of three typical chemical methods; none was suitable fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::26f5f98cd60e3cf78874bcee55523bad
https://doi.org/10.1021/ac60133a025

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HTLV-III exposure among drug users

Autor: H M, Ginzburg, S H, Weiss, M G, MacDonald, R L, Hubbard

Publikováno v: Cancer research. 45

The Centers for Disease Control hierarchical classification of those at risk for acquired immunodeficiency syndrome (AIDS) underestimates the number of cases in which illicit drug use may play a role in the exposure to human T-cell leukemia virus typ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::33f76438ad9e05fb6b290100f40baacc
https://pubmed.ncbi.nlm.nih.gov/2861894

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