Results 21 to 30 of about 19,079 (137)

Guidelines for physical weed control research: flame weeding, weed harrowing and intra-row cultivation [PDF]

open access: yes, 2004
A prerequisite for good research is the use of appropriate methodology. In order to aggregate sound research methodology, this paper presents some tentative guidelines for physical weed control research in general, and flame weeding, weed harrowing and ...
Ascard, J.   +7 more
core  

Evaluation of agro-industrial by-products as protein sources for duck production in the Mekong Delta of Vietnam [PDF]

open access: yes, 2005
This thesis is based on four studies to determine the nutritive value and ileal and total tract amino acid digestibility of agro-industrial by-products, and the effects of inclusion of these by-products in diets on the biological performance of growing ...
Nguyen, Thi Kim Dong
core  

Sonic boom research [PDF]

open access: yes
It is demonstrated that a supersonic airplane configuration weighing over half a million pounds while creating a maximum sonic boom of less than 1 p.s.f. can be designed.
Ting, L.
core   +1 more source

Amperometric detection of bioamines in cancer borealis using microchip capillary electrophoresis integrated with micellar chromatography [PDF]

open access: yes, 2013
In order to study neuromodulation in Cancer borealis, commonly known as the Jonah crab, we designed a microchip capillary electrophoretic (CE) device with micellar electrokinetic chromatography (MEKC) to separate bioamines and detect their concentrations
Fernandez, Ajay   +2 more
core   +1 more source

Comparative Test For the Upgrading of Lead in Sabon Layi Lead-Zinc Ore (Alkaleri Local Government Area, Bauchi State), Using Gravity and Froth Flotation Beneficiation Methods [PDF]

open access: yes, 2016
This research work deals with the upgrading of lead in Sabon Layi lead-zinc ore using gravity and froth flotation beneficiation methods. Analysis of the chemical composition reveals that this crude ore contains 38.76%lead and other related minerals such ...
Abere, D. V. (Dare)   +5 more
core  

Desk study on homeopathy in organic livestock farming: Principles, obstacles and recommendations for practice and research [PDF]

open access: yes, 2003
Organic livestock farming has its own concept of health and welfare. The approach to health can be characterised by the key words human, preventive, self-regulating and holistic (Chapter 1).
Baars, Erik   +3 more
core  

Controlled Ecological Life Support Systems (CELSS) conceptual design option study [PDF]

open access: yes
Results are given of a study to explore options for the development of a Controlled Ecological Life Support System (CELSS) for a future Space Station.
Oleson, Melvin, Olson, Richard L.
core   +1 more source

Study of zero-gravity, vapor/liquid separators [PDF]

open access: yes
Heat exchange, mechanical separation, surface tension, and dielectrophoretic methods of separating vapor from liquid at zero gravity for vapor ...
Hudson, V.   +3 more
core   +1 more source

Development of low cost ablative nozzles for solid propellant rocket motors, volume 1 Final report [PDF]

open access: yes
Evaluating low cost ablative materials for use in large solid propellant rocket ...
Laramee, R. C., Mathis, J. R.
core   +1 more source

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