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dc.contributor.authorMaziliauskas, Antanas-
dc.description.abstractĮvertintas lipazių (Lipozyme TL IM, Lipase G „Amano“50, Lipase F-EC, Novozym 435, Lipozyme RM IM), kaip biologinių katalizatorių, efektyvumas oleino rūgšties ir glicerolio esterinimo procese. Pradinis oleino rūgšties ir glicerolio molių santykis 1:1. Nustatyta, kad didžiausiu efektyvumu pasižymi lipazė Novozym 435. Pridėjus 3 % šio fermento 50 °C temperatūroje per 7 val. sureaguoja daugiau kaip 80 % oleino rūgšties. Panašaus efektyvumo buvo ir lipazė Lipozyme RM IM, o kiti tirti fermentai buvo visiškai arba beveik neefektyvūs. Lipozyme RM IM efektyvumą galima didinti keliant glicerolizės reakcijos temperatūrą iki 70 °C, didinant fermento koncentraciją iki 7 % ir į reakcijos terpę pridedant 0,25 % vandens. Šiomis sąlygomis per 4 val. sureaguoja iki 90 % oleino rūgštieslt
dc.description.abstractThe paper presents the findings of author as member of the expert team evaluating the Special Programme for Food Security (SPFS), endorsed by the Food and Agriculture Organisation of the United Nations (FAO) and run in Low-Income Food-Deficit Countries (LIFDC). The results presented in the paper are based on the conclusions of site visits, field and documentation research performed in the selected 12 case study countries representing different regions of the world (Tanzania, Zambia, Eritrea, Niger, Mauritania, Senegal –in East and West Africa, Bangladesh, Cambodia and China- in Asia, and Bolivia, Ecuador and Haiti- in Latin America and Caribean). In assessing the use of major SPFS components it was found, that water management/irrigation and crop intensification were the programme components having the most extensive use. Given the philosophy of the SPFS, it was logical to concentrate on water. Proper use of water resulted in higher yields by 30 to 70 % and enabled multiple cropping, both of which can be important in augmenting food grain production. Further paper presents the findings in assessing the field demonstration activities, including the selection of sites, selection of beneficiaries and evaluation of methods and technologies demonstrated and introduced to farmers. It was found in most of visited countries that the initial focus on quick results in the higher potential areas has obviously influenced the process of selecting SPFS sites within the case study countries. Most of the demonstration farmers were market oriented, generally clearly above average. Women only constituted about 15% of the demonstration farmersen
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 96-102-
dc.relation.ispartofVagos. , Nr. 77 (30) (2007)-
dc.relation.isreferencedbyCAB abstracts-
dc.subjectDemonstracinė veiklalt
dc.subjectPriežasčių analizėlt
dc.subjectConstraint analysisen
dc.subject.classificationStraipsnis kitose duomenų bazėse / Article in other databases (S4)-
dc.subject.otherAplinkos inžinerija / Environmental engineering (T004)-
dc.titleEvalution of Water Management/ Irrigation and other major for Food Security Components in Low-Income Food-deficit Countriesen
dc.title.alternativeVandentvarkos/drėkinimo ir kitų svarbių maisto gamybos veiksnių vertinimas mažų pajamų ir maisto deficito šalyselt
dc.typeresearch article-
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item.fulltextWith Fulltext-Žemės ūkio akademija-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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