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Studies relating to paving materials for drying coffee on the ground in Angola

, : Studies relating to paving materials for drying coffee on the ground in Angola. Rev. Cafe portug, 4: 14, 5-16

Neither compacted soil, asphalt, concrete nor stone flooring fulfilled all the requirements for drying coffee, viz. simplicity of construction, low cost, good heating and hygroscopic properties and absence of unpleasant effects on flavour. Good quality flooring tiles, known to give good results, were not obtainable locally, but promising results were obtained by adjusting the texture of the soil to correct any excess or deficiency of plastic clay and mixing with it 10% of cement.


Other references

Liguori, A., 1991: Young people and agriculture. Italian agriculture is faced with problems of stagnation. Aspects of agricultural policy are reviewed briefly, mentioning income support to individual farmers and production controls. The need to promote the establishment of properly trained young...

Whitney, E.D.; Doney, D.L., 1970: Effects of Aphanomyces cochlioides and Pythium ultimum, alone and as complexes with Heterodera schachtii on Sugar Beet. Although no statistically significant synergistic action between H. schachtii and A. cochlioides was revealed, a trend towards synergism existed in 3 tests suggesting that small interactions influenced by other factors may occur. The effects of P....

Imhof, R.; Bosset, J.O., 1991: Comparison of two systems for sample preparation and injection by dynamic headspace GC analysis. The performance of two commercially available systems employing dynamic headspace techniques for collection, enrichment, and injection of volatile compounds has been compared by GC analysis of test mixtures and dairy products. For technical reason...

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Cayan, S.; Chermansky, C.; Schlote, N.; Sekido, N.; Nunes, L.; Dahiya, R.; Tanagho, E.A., 2001: Bladder augmentation using bladder acellular matrix graft in a rat interstitial cystitis model. European Urology 39(Suppl 5): 173, March

Wu, D-Na.; Pei, D-Sheng.; Wang, Q.; Zhang, G-Yi., 2006: Down-regulation of PTEN by sodium orthovanadate inhibits ASK1 activation via PI3-K/Akt during cerebral ischemia in rat hippocampus. In this study, we examined the phosphorylation of ASK1, Akt and PTEN and the effects of sodium orthovanadate on these signal proteins during ischemia. Transient (15 min) brain ischemia was induced by the four-vessel occlusion in Sprague-Dawley rat...

Anonymous, 1954: GRADUATE training programs acceptable by the American Board of Psychiatry and Neurology until July 1, 1956. Journal of the American Medical Association 156(4): 430-430

Lagier, R., 1974: Rare femoral erosions and osteoarthrosis of the knee associated with chondrocalcinosis. A histological study of this cortical remodelling. Virchows Archiv. A, Pathological Anatomy and Histology 364(2): 215-223

Pallos, L., 1973: Importance of new location of production in regulating agricultural income. The critical importance of production location (soil quality) was not sufficiently appreciated in agricultural production during the initial stages of building up socialism. Examination of the annuity basis effect of different quality soils under...

Hegarty, J.H.; Halvorsen, L.; Hazenberg, B.P.; Nowak, A.; Smith, C.L.; Thomson, A.B.; Vantrappen, G.; McKenna, C.J.; Mills, J.G., 1997: Prevention of relapse in reflux esophagitis: a placebo controlled study of ranitidine 150 mg bid and 300 mg bid. To compare the efficacy and safety of long term use of ranitidine 150 mg bid, 300 mg bid and placebo in prevention of endoscopic and symptomatic relapse of reflux esophagitis in an international, double-blind, placebo controlled, parallel group st...