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1 Voelcker, John Augustus
SUBJECT AREA: Agricultural and food technology[br]b. 24 June 1854 Cirencester, Englandd. 1937 England[br]English agricultural chemist.[br]John Augustus Voelcker, as the son of Dr John Christopher Voelcker, grew up in an atmosphere of scientific agriculture and would have had contact with the leading agriculturists of the day. He was educated at University College School and then University College, London, where he obtained both a BA and a BSc Following in his father's footsteps, he studied for his PhD at Giessen University in Germany. At college he enjoyed athletics, an interest he was to pursue for the rest of his life. He decided to take up agricultural chemistry and was to succeed to all the public offices once held by his father, from whom he also took over the directorship of Woburn Farm. The experimental farm had been started in 1876 and was used to study the residual effects of chemicals in the soil. The results of these studies were used as the basis for compensation awards to tenant farmers giving up their farms. Voelcker broadened the range of studies to include trace elements in the soil, but by 1921 the Royal Agricultural Society of England had decided to give up the farm. This was a blow to Voelcker and occurred just before experiments elsewhere highlighted the importance of these elements to healthy plant growth. He continued the research at his own expense until the Rothampsted Experimental Station took over the farm in 1926. Aside from his achievements in Britain, Voelcker undertook a study tour of India in 1890, the report on which led to the appointment of an Agricultural Chemist, and the establishment of a scientific service for the Indian subcontinent.[br]Principal Honours and DistinctionsPresident, Royal Society of Public Analysts. Member of Council, Chemical Society, and Institute of Chemistry. Chairman, Farmers' Club.BibliographyMost of his publications were in the Journal of the Royal Agricultural Society of England, for which he wrote an annual report, and in another series of reports relating to Woburn Farm. The Improvements of Indian Agriculture was the result of his tour in 1890.Further ReadingJ.H.Gilbert, 1937, obituary Journal of the Royal Agricultural Society of England, pp. 464–8.Sir E.John Russell, A History of Agricultural Science in Great Britain.APBiographical history of technology > Voelcker, John Augustus
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2 Voelcker, John Christopher
SUBJECT AREA: Agricultural and food technology[br]b. 24 September 1822 Frankfurt am Main, Germanyd. 5 December 1884 England[br]German analytical chemist resident in England whose reports on feedstuffs and fertilizers had a considerable influence on the quality of these products.[br]The son of a merchant in the city of his birth, John Christopher had delicate health and required private tuition to overcome the loss of his early years of schooling. At the age of 22 he went to study chemistry at Göttingen University and then worked for a short time for Liebig at Giessen. In 1847 he obtained a post as Analyst and Consulting Chemist at the Agricultural Chemistry Association of Scotland's Edinburgh office, and two years later he became Professor of Chemistry at the Royal Agricultural College in Cirencester, retaining this post until 1862. In 1855 he was appointed Chemist to the Bath and West Agricultural Society, and in that capacity organized lectures and field trials, and in 1857 he also became Consulting Chemist to the Royal Agricultural Society of England. Initially he studied the properties of farmyard manure and also the capacity of the soil to absorb ammonia, potash and sodium. As Consulting Chemist to farmers he analysed feedstuffs and manures; his assessments of artificial manures did much to force improvements in standards. During the 1860s he worked on milk and dairy products. He published the results of his work each year in the Journal of the Royal Agricultural Society of England. In 1877 he became involved in the field trials initiated and funded by the Duke of Bedford on his Woburn farm, and he continued his association with this venture until his death.[br]Principal Honours and DistinctionsFRS. Founder and Vice-President, Institute of Chemistry of Great Britain and Northern Ireland 1877. Member Chemical Society 1849; he was a member of Council as well as its Vice-President at the time of his death. Member of the Board of Studies, Royal Agricultural College, Cirencester; Honorary Professor from 1882.BibliographyHis papers are to be found in the Journal of the Royal Agricultural Society of England, for which he began to write reports in 1855, and also in the Journal of the Bath and West Society.Further ReadingJ.H.Gilbert, 1844, obituary, Journal of the Royal Agricultural Society of England, pp. 308–21 (a detailed account).Sir E.John Russell, A History of Agricultural Science in Great Britain.See also: Voelcker, John AugustusAPBiographical history of technology > Voelcker, John Christopher
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3 drainage de Voelcker
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4 drainage de Voelcker
Французско-русский универсальный словарь > drainage de Voelcker
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5 اختبار فولكر وجوزيف
Voelcker and Josephs test -
6 Agricultural and food technology
See also: INDEX BY SUBJECT AREA[br]Jia SixieLi BingSong YingxingTownshend, CharlesWang ZhenXu GuangqiBiographical history of technology > Agricultural and food technology
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7 drainage
mдренаж, дренирование, осушение- drainage par aspiration
- drainage biliaire externe
- drainage biliaire percutané
- drainage biliaire transhépatique
- drainage capillaire
- drainage chirurgical
- drainage cholédocien
- drainage continu
- drainage déclive
- drainage endocavitaire
- drainage externe
- drainage filiforme
- drainage de la loge rénale
- drainage par lames
- drainage selon Mikulicz
- drainage de Penrose
- drainage percutané
- drainage percutané des urines
- drainage percutané des urines rénales
- drainage percutané des urines vésicales
- drainage péritonéal
- drainage postural
- drainage de posture
- drainage à siphon
- drainage sous-hépatique
- drainage thoracique
- drainage transcystique
- drainage transpapillaire
- drainage tubulaire
- drainage urétéral
- drainage veineux précoce
- drainage ventriculaire
- drainage de voies urinaires
- drainage de Voelcker
- drainage de Wangensteen -
8 трубка для наружного транскапиллярного дренирования
nmed. drainage de VoelckerDictionnaire russe-français universel > трубка для наружного транскапиллярного дренирования
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