Zobrazeno 1 - 10
of 66
pro vyhledávání: '"J. W. Hopkins"'
Publikováno v:
Land Degradation & Development. 12:305-318
Physical scientists have presented a wealth of evidence regarding the effects of cropland soil degradation. Because soil degradation has both on-site and off-site effects, public policies have often tried to increase rates of conservation over privat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e98c79e767f03c412e695e80f1822f7f
https://doi.org/10.1002/ldr.449
https://doi.org/10.1002/ldr.449
Autor:
J. W. Hopkins
Publikováno v:
Canadian journal of research. 24(Sect F 4)
Two categories of quality assessment of foodstuffs by panels of judges may be distinguished. In 'grading', an absolute assessment representative of the generality of consumers is sought. In 'analysis', maximum sensitivity is desirable and emphasis is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7e31b405ca969f152b66d2cfdc76a7f
https://pubmed.ncbi.nlm.nih.gov/20998414
https://pubmed.ncbi.nlm.nih.gov/20998414
Autor:
J W, HOPKINS
Publikováno v:
Human biology. 19(2)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::bb78b351c313415bff8adf4195d69208
https://pubmed.ncbi.nlm.nih.gov/20251297
https://pubmed.ncbi.nlm.nih.gov/20251297
Publikováno v:
Academic Medicine. 74:89-90
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf69f98a14cd832908e02ba9e8335e08
https://doi.org/10.1097/00001888-199902000-00002
https://doi.org/10.1097/00001888-199902000-00002
Publikováno v:
Land Degradation & Development; Jul/Aug2001, Vol. 12 Issue 4, p305-318, 14p
Publikováno v:
Bell System Technical Journal. 53:107-132
The Automatic Intercept System must maintain a large data base from which information can be obtained pertaining to telephone numbers on intercept in the area. The file complex provides the mass storage medium necessary for this system. This article
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34478cf31ddbae725ea2c2259d0f4ad0
https://doi.org/10.1002/j.1538-7305.1974.tb02720.x
https://doi.org/10.1002/j.1538-7305.1974.tb02720.x
Autor:
J. W. Hopkins
Publikováno v:
Canadian Journal of Research. :388-400
Changes in the moisture content of summer fallowed soil in tanks 15 in. in diameter and 5 ft. deep set in pits in the centre of field plots at the Dominion Experimental Station, Swift Current, Saskatchewan, which have been recorded at fairly frequent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52ad4c610c3d225abf9daf04d85d0268
https://doi.org/10.1139/cjr40c-037
https://doi.org/10.1139/cjr40c-037
Autor:
J. W. Hopkins
Publikováno v:
Canadian Journal of Research. :214-224
The linear partial regression coefficients of the 19-ycar average (1917–1935) monthly precipitation recorded at 42 points in central and southern Alberta on latitude, longitude and altitude were determined for each month of the year. The correlatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4db1c1182d294e636becdd7f963aac66
https://doi.org/10.1139/cjr38c-020
https://doi.org/10.1139/cjr38c-020
Autor:
J. W. Hopkins
Publikováno v:
Canadian Journal of Research. :16-26
Linear partial regression coefficients of the 18-year average (1917–34) monthly mean air temperature recorded at 43 points in central and southern Alberta and Saskatchewan on latitude, longitude, and altitude were determined for each month of the y
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a33378e62fa8db5e85716359d99686b
https://doi.org/10.1139/cjr38c-002
https://doi.org/10.1139/cjr38c-002
EFFECT OF PHYTOHORMONE DUST SEED TREATMENT ON GROWTH AND YIELD OF BARLEY UNDER GREENHOUSE CONDITIONS
Autor:
J. W. Hopkins
Publikováno v:
Canadian Journal of Research. :507-512
Under controlled conditions of air temperature and soil moisture, the growth and yield of barley from seed dusted with 2.5 and 5 p.p.m. of indolylacetic acid in talc was compared with that from control seed dusted with talc only. Neither concentratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3273c77e7965fe5b773d61d3db2b052e
https://doi.org/10.1139/cjr40c-045
https://doi.org/10.1139/cjr40c-045