KoulutusalaEnergia- ja ympäristötekniikka
Viitteet 721-740 / 4937
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Effect of small scale mining on the environment in Ghana
(Metropolia Ammattikorkeakoulu, 2018)Illegal mining in Ghana has had a devastating effect on the environment, especially on water bodies. Even though small-scale and illegal mining have contributed to the growth of the Ghanaian economy; its damaging effects ... -
Effect of solution on the isoelectric point of collagen
(Tampereen ammattikorkeakoulu, 2016)The experiment mainly focusing on what kinds of effects collagen have when environment changed, the environment including buffer, pH and ionic nature. Using a variety of testing methods to search collagen’s morphological ... -
The Effect of Temperature Reduction on Heat Pump Performance
(Mikkelin ammattikorkeakoulu, 2016)The Ground Source Heat Pumps (GSHP) in Finland are becoming a more and more popular way to provide buildings with necessary heat. This type of heat pump is usually installed as a main heat source, which covers the total ... -
Effect of ultrasonication on algal and bacterial growth in fresh water
(Tampereen ammattikorkeakoulu, 2015)This work contains an information collected during experiment conducted in Wolfenbuettel, Germany, in Summer 2015. The experiment was to test ultrasonic water purification devices' effect on microbial content of water from ... -
Effect of water quality on rainbow trout performance : Water oxygen level in commercial trout farm “Kala ja marjapojat”
(Mikkelin ammattikorkeakoulu, 2013)Water quality is a combination of chemical, physical and biological parameters that affect the growth and prosperity of cultured fish. The success of a commercial aquaculture activity depends on the op-timal environment ... -
Effective photocatalytic waste water treatment system using metal oxides semiconductors : A review
(2021)Life is not possible without water. Worldwide, there is an urgent need for clean and safe water. This review presents the principles and mechanisms underlying heterogeneous photocatalysis, and its applications in wastewater ... -
Effects of aeration on lettuce (Lactuca sativa) growth in deep water culture aquaponics
(Tampereen ammattikorkeakoulu, 2017)The main objective of this thesis was to investigate the effects of increased aeration on lettuce (Lactuca sativa) growth in deep water culture aquaponics systems. Oxygen levels play an important role in plant growth, ... -
Effects of co-combustion of biofuels on chlorine corrosion of furnace surfaces and prevention methods : Feasibility study
(Metropolia Ammattikorkeakoulu, 2014)Since the discovery of fire, energy has had an important role in everyday human life. From the sunlight to electricity, heat and transportation, the transformation of one form of energy into another form or useful work is ... -
Effects of Mining and Hydropower on Metals in Surface Waters : Case: Nam Ngum
(Metropolia Ammattikorkeakoulu, 2014)Nam Ngum, a river in Lao PDR, is experiencing rapid development of hydropower and mining. Hydropower dams may influence the water quality via sediment trapping and hydrology changes. They also create barriers for migration ... -
The effects of the climate and energy policy of the EU on Finland and on Catalonia
(Lahden ammattikorkeakoulu, 2009)The aim of this study was to find out what the situation in energy production in Finland and in Catalonia is and especially what the situation of renewable energy in energy production is. In addition, another target was ... -
Effects of urban noise on singing of the Whitethroat Sylvia communis
(Kaakkois-Suomen ammattikorkeakoulu, 2017)Acoustic signals of birds have two basic functions: mate attraction and territory defense, which are interrelated. Noise waves interact with bird’s song, resulting in reinforcement and interference or reverberations, i.e. ... -
The efficacy of Chondrostereum purpureum as a biological control agent : A comparative analysis of the decay fungus (Chondrostereum purpureum), a chemical herbicide and mechanical cutting to control sprouting of broad-leaved tree species.
(Metropolia Ammattikorkeakoulu, 2014)In forestry, manual control of broad-leaved trees is tedious and costly. To reduce costs, chemicals have been applied to keep these species in control. However, some chemicals are not recommended to use because of possibly ... -
Efficiency and Functionality of a Contra-Rotating Wind Turbine
(Satakunnan ammattikorkeakoulu, 2015)Goal of this study was to evaluate in terms of efficiency and functionality a newly modelled contra-rotating wind turbine. This new wind turbine was examined in order to find more ecological and econmical technologies in ... -
Efficiency of adaptive lightening system to minimize ungulate-vehicle collisions : decision analysis with Bayesian networks
(2020)In Urban development, despite its benefits to society, the extension of highways and roads can take up land, interfere with and isolate natural biotopes, form an obstacle to the migration of ungulates and consequently ... -
Efficiency of Algae Combinations in heavy metal removal from waste-waters using photo-bio-reactor
(Tampereen ammattikorkeakoulu, 2015)The aim of this thesis was to compare the efficiency of different algal combinations in heavy metals removal from wastewater using algae-based photo-bioreactors. Twelve different strains of algae were divided into four ... -
Efficiency of heat recovery unit in D-building
(Mikkelin ammattikorkeakoulu, 2010)The main purpose of this thesis work is to consider how the heat recovery unit in D-building works and to search errors in the system (if any exist) and try to find methods to improve efficiency heat recovery ... -
Efficiency of heat recovery units in ventilation
(Mikkelin ammattikorkeakoulu, 2012)The main aim of my bachelor thesis was to calculate the annual efficiency and the temperature ratios of the heat recovery unit and compare them with the manufacturer’s data and requirements of European standards. Another ... -
Efficient of the Bulbs
(Mikkelin ammattikorkeakoulu, 2010)In this thesis you can read about some of the different kind of bulb that you can found in the market and in it I gave to you an idea of what are their characteristics and other details of its working and also I explain ... -
Ehdotuksia elinikäisen oppimisen toteutukseen jätevedenpuhdistamoilla
(Lahden ammattikorkeakoulu, 2017)Opinnäytetyön tavoitteena oli tutkia erilaisia elinikäisen oppimisen keinoja ja niiden soveltuvuutta jätevedenpuhdistamojen henkilökunnan osaamisen kehittämisen tueksi. Tutkimus tehtiin Lahden ammattikorkeakoulun toimeksiannosta ... -
Ejektoriperiaatteella toimivan savukaasupuhaltimen testaus lämpökattilakäytössä
(Jyväskylän ammattikorkeakoulu, 2016)Savukaasupuhaltimien likaantuminen on ollut huonojen polttoaineiden takia ongelma monissa pienissä lämpölaitoksissa. Ongelman ratkaisuksi on kehitetty ejektoriperiaatteella toimiva savukaasupuhallin. Ejektoripuhaltimen ...



















