Search Results - "vacuum"
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The 2008–2009 timber sector crisis in Africa and some lessons for the forest taxation regime
Published 2010“…This could prefigure a new picture with various types of small logging enterprises filling the vacuum left by formal industry and some FSC-certified concessionaires replaced by large but less environmentally responsible companies…”
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Journal Article -
Coping with crisis: Livelihood vulnerabilities and food insecurity in Sudan’s current conflict
Published 2025“…This conflict did not arise in a vacuum. Sudan has long faced structural vulnerabilities including weak institutions, a fragile economy, and climate-related stressors such as erratic rainfall and land degradation. …”
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Brief -
From lab to life: Making storable orange-fleshed sweetpotato purée a commercial reality
Published 2017“…Having a storable, packaged OFSP purée produced by a firm to supply bakers is an alternative model. Vacuum-packed OFSP purée with preservatives with a fourmonth shelf-life at 23°C was developed by the International Potato Center under laboratory conditions in 2015. …”
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Journal Article -
A Rapid and Simple Manifold to Study Exchangeable Cations and Cation Exchange Capacity in 24 Soil Samples Simultaneously
Published 2021“…Four aliquots of 10 mL extracting solution and a few seconds of vacuum between additions is recommended to achieve the best recovery. …”
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Artículo -
Democratic Republic of the Congo [In Agricultural Extension]
Published 2020“…These have had a devastating effect on the country’s infrastructure, technology, and institutions, creating a vacuum that has led to a laborious process of restoration. …”
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Book Chapter -
Technologies for smallholder irrigation appropriate for whom: promoters or beneficiaries?
Published 2013“…The results suggest that treadle pumps, when introduced during the mid-1990s, were successful because of a near technological vacuum at that time. Over the years, with the advent of small affordable diesel engines, motorized pumps have become widely available and a large rental market for water and pumping equipment has emerged. …”
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Book Chapter -
Metagenomic water quality monitoring with a portable laboratory
Published 2020“…We describe the technical feasibility of metagenomic water quality analysis using only portable equipment, for example mini-vacuum pumps and filtration units, mini-centrifuges, mini-PCR machines and the memory-stick sized MinION of Oxford Nanopore Technologies, for the library preparation and sequencing of 16S rRNA gene amplicons. …”
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Journal Article -
Catalog of technical options for fecal sludge management in Bangladesh
Published 2020“…Emptying technologies range from manual tools such as the Gulper to mechanical systems including vacuum tugs and diaphragm pumps, often supported by fluidization and dual-pumping techniques to address dense urban conditions and variable sludge characteristics. …”
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Informe técnico -
Public lives, private water: female ready-made garment factory workers in peri-urban Bangladesh
Published 2022“…However, unlike Dhaka, the almost fully industrialized peri-urban areas bordering the city, like many other such areas globally, function in an institutional vacuum. There are no formal institutional arrangements for water supply or sanitation. …”
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Book Chapter -
Can Private Sector fill the gap in Agricultural Extension?
Published 2015“…Several new players tried to enter and fill the vacuum, including the private sector. Yet it is not clear how much and how well the private sector is able to fill the gap left by the dysfunctional public systems. …”
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Ponencia -
Rural institutions and producer organizations in imperfect markets: experiences from producer marketing groups in semi-arid eastern Kenya
Published 2006“…New kinds of institutional arrangements are needed to reduce these costs and fill the vacuum left when governments withdrew from markets in the era of structural adjustments. …”
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Artículo preliminar -
Creating water user associations for improved agricultural productivity in Tajikistan: opportunities and challenges
Published 2016“…Large collective farms were broken up into smaller (dekhan) private farms. This created a vacuum, because there was no provision to manage competing needs of water among private farms. …”
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Conference Paper -
Mörningsprocessen i nötkött och en kartläggning av mörningsmetoder praktiken
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First cycle, G2E -
Identification of potential vectors and alternative plant hosts for the phytoplasma associated with Napier grass stunt disease in Ethiopia
Published 2009“…Leafhopper species were also surveyed by vacuum sampling in a search for natural phytoplasma vectors. …”
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Journal Article -
Introducing co-composting to fecal sludge treatment plants in Benin and Burkina Faso: a logistical and financial assessment
Published 2020“…Overall, the FS volumes collected by vacuum trucks were not significantly affected by the calendar days, months or seasons. …”
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Informe técnico -
Food web dynamics of irrigated rice fields at five elevations in Luzon, Philippines
Published 1996“…Arthropod populations were vacuum-sampled at roughly weekly intervals from the date after seedlings were transplanted to flowering at each site. …”
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Journal Article -
From conflict of use to multiple use: forest management innovations by small holders in Amazonian logging frontiers
Published 2011“…Lack of quantity, quality, uniformity and price as well as a lack understanding of NTFPs socioeconomic, cultural or spiritual value and function in societies relegates them to a marginal economic status eclipsed by timber. The data vacuum for most NTFPs is contrasted by the large amount of timber-specific data available for many logged species. …”
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Journal Article