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Quality assessment of laser cladded HSS coatings with deep penetration into base material to obtain a smooth gradient of properties in coating-substrate interface
(2018)The present research is dedicated to the study of influence of coaxial laser cladding (CLC) process parameters onto values of alloying compo nents content in the coatings, morphology as well as the ... -
Red clover drying coefficient dependences on air velocity at constant drying temperature
(2018)The clover is widely used as feed of animals and preservation of fodder is an important problem. This paper informs about the experimental and theoretical investigations of red clover ( Trifolium pratense ) drying ... -
Optimizing the sample size to estimate growth in I-214 poplar plantations at definitive tree density for bioenergetic production
(2018)In Europe, over the last decades, the arboriculture for woody biomass production has significantly expanded, often using poplar plantations. In order to maximize prod uction, the flexibility of the ... -
Lake blue clay - sapropel - flax shive briquettes for water absorption and desorption
(2018)Latvian lakes are rich in sapropel sediments and below the sapropel layer there is another valuable natural resource, namely blue clay. Flax shives are formed in large quantities as a waste in flax ... -
Meat chemical composition of pasture pure lambs and crossbreeds
(2018)Increased customer interest of safe, healthy and environmentally friendly food consumption promote development of sheep farming industry in Latvia. Aim of the paper – explain of different ... -
Combustion property analyses with variable liquid marine fuels in combustion research unit
(2018)The quality of ignition and co mbustion of four marine and power plant fuels were studied in a Combustion Research Unit, CRU. The fuels were low - sulphur Light Fuel Oil (LFO, baseline), Marine Gas Oil ... -
Kinematic viscosity studies for medium-speed CI engine fuel blends
(2018)Engine - driven power plants, run by diesel fuel or gas, will be needed for peaking power to keep the electricity grids stable when the production of renewable electricity, e.g. utilizing wind or solar ... -
Exhaust particle size distributions of a non-road diesel engine in an endurance test
(2018)The main objective of this study was to find out how th e non - road diesel engine running period of 500 hours affects the exhaust particle size distribution. By means of an engine exhaust particle sizer (EEPS), ... -
Alarm guard systems for the prevention of damage produced by ungulates in a chestnut grove of Middle Italy
(2018)Wildlife populations, in particular ungulates and carnivores, have had a significant increase in most Italian regions over the last decades and for this reason ecosystems and agricultural and ... -
Criteria of design for deconstruction applied to dairy cows housing: a case study in Italy
(2018)This work aims at presenting the design process of a new barn for dairy cows. Project embraces several concepts that are rather new to the dairy industry and will deeply affect its environmental, economic ... -
Molecular genetics analysis of milk protein gene polymorphism of dairy cows and breeding bulls in Latvia
(2018)Milk protein is the most valuable component of milk from a dietary point of view. More than 95% of ruminants’ milk proteins are coded by six structural genes: two whey proteins (α – lactalbumin and ... -
Properties of local produced animal-fat based biodiesel and its blend with fossil fuel
(2018)In the near future, more emphasis must be put on reducing greenhouse gas (GHG) emissions in road transportation, house heating, agricultural activities, marine transport etc. This study concentrated ... -
The role of field beans in nutrition of Boer goat
(2018)A study on the effective using of field beans to Boer mother goats feeding was carried out on a farm whose main activity is the production of goat meat. Since the Boer goat breed is still very rare in Latvia, there is ... -
Influence of inoculation and phosphorus regimes on symbiotic nitrogen fixation and phosphorus use efficiency of Algerian cowpea (Vigna unguiculata L. (Walp.)) landraces
(2018)To study the genotypic variation of cowpeas on plant growth and phosphorus (P) uptake which is a function of different P regimes in the soil rhizosphere , 6 landraces of cowpea commonly found in northern ... -
Humus content in a podzolized chernozem after a long-term application of fertilizers in a field crop rotation
(2018)The article presents the results of the research into influence of a long - term (50 years) application of different fertilizer rates and fertilizer systems in the field crop rotation on the humus composition and ... -
Effects of Monopotassium-phosphate, Nano-calcium fertilizer, Acetyl salicylic acid and Glycinebetaine application on growth and production of tomato (Solanum lycopersicum) crop under salt stress
(2018)Salinity problem is increasingly affecting tomato production in Lebanon leading to economic losses. The study investigated the potential effects of nano - Calcium (LITHOVIT®), monopotassium - phosphate ... -
Chemical composition of agromass ash and its influence on ash melting characteristics
(2018)The increasing demand for biofuels leads to a growing need for agromass, such as herbaceous plants and agricultural waste. However, agromass contains high quanitites of alkali metals, mainly potassium ... -
Evaluation of reed biomass use for manufacturing products, taking into account environmental protection requirements
(2018)In many countries reed is considered as invasive or unnecessary plant, because it is spreading rapidly, causing decrease in biodiversity and creating unacceptable living conditio ns for many bird species ... -
Determination of moisture ratio in parts of the hop cone during the drying process in belt dryer
(2018)The paper deals with monitoring the moisture content of hop cones and their parts (strigs and bracts) in PCHB 750 hop belt dryer. When drying hop cones, the critical point is the sufficient drying of ... -
A study of commercial β-galactosidase stability under simulated in vitro gastric conditions
(2018)β-Galactosidase activity in milk may be affected by several factors, such as temperature, pH, milk composition, and metal ions. It is important to note that digestive proteases and gastrointestinal pH can ...
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