[PDF] Top 20 A utilização da Internet e da Moodle no contexto de ensino e de aprendizagem : um estudo com alunos do 9º ano de escolaridade

... The wastewater was fed to the reactor containing 20 g of ...adding wastewater in feed tank the initial parameters of wastewater are ...of wastewater are compared with the parameters given by ... See full document

... Organized by C.O.E.T, Akola. Available Online at www.ijpret.com 58 20. De la Nou¨ e, J., De Pauw, N., 1988. The potential of microalgal biotechnology. A review of production and uses of microalgae. Biotechnol. Adv. 6, ... See full document

... the purification of urban wastewater in an arid ...of purification for the different pollutants are very significant especially for particulate pollution and the organic ... See full document

... water utilization and treatment plants, extensive desalination and purification of water relies on the use of reverse osmosis (RO) ...water purification has been since the late 1970s, and still is, a ... See full document

... The efficiency of wastewater stabilization ponds is in relate with meteorological conditions. The study area situate in semi-arid district with hot summer and cold winter. The maximum temperature is more than 42 C ... See full document

... The aeration of the blowing air and biogas was controlled with flow meter, a flow rate of 80 mL/min during the period of maximum radiation of fluorescent lamp at a concentration 160 μmol/m2-s of 100mL of gas which leads ... See full document

... Raman and Yamat (2014) noted that barriers such as how hesitant the teachers are, amount of workload, age and lack of skills could impede teachers from incorporating ICT in their teaching. Pre-service teachers in Nigeria ... See full document

... marine algae has made significant advances in recent years. Marine algae are known to produce a variety of compounds, and some of them have been shown to possess the biological activity of potential ... See full document

... imported algae in their experiments, all the experiments in this study were carried out by means of the lo- cally collected algae to minimize the cost and to pay attention to tons of algae that ... See full document

... rpm. Algae were aerated with air using aquarium air stones and fed with a standard algae F2 nutrient medium ...experiment algae were adjusted to an absorbance of ...the algae solution were ... See full document

... the utilization of Information Communication Technology (ICT) in Primary Health Centers (PHC) in both rural and urban areas of Nigeria to provide equity and easy access to health care ... See full document

... In the past few decades, water pollution has become a serious environmental concern [1, 2]. Among water pollutants, oil is found in both industrial wastewaters and drinking water reservoirs sourcing from different ... See full document

... Tay,et al., (1987), in their paper entitled “ Use of Waste Water in Concrete Mix”. They made an attempt to use waste water in concrete mix instead of portable water and they mixed the waste water in various proportions ... See full document

... The wastewater media was prepared for enzyme production, with 100mL of each wastewater inoculated into five different 250mL flasks, incubated in an orbital shaker (Stuart shaker) at ... See full document

... additional purification step with PAC results in a further reduction of the measured chemical substances in both the effluent of the WWTP Langwiese and in samples of the sampling sites 3 and 6 (Table 4 and Figures ... See full document

... throughout the electrolysis and 2gm NaCl was added to the one litre of the wastewater effluent. The electrolytic solution was stirred with the help of magnetic stirrer. The dye begins to precipitate and forms a ... See full document

... Bio-preparations are selected microorgan- isms, mainly bacteria, fungi, and enzymes, bound to the mineral medium, used for the biodegradation of organic pollutants. They are non-toxic to humans, animals and plants. ... See full document

... The ideal loading rate of the system at a given algae growth rate Principle: The sum of the carbon being contained in the organic wastewater compounds entering the HRAP and the carbon di[r] ... See full document

... The purification of anthocyanins from black bean can- ning wastewater as food colorants was ...the purification process of antho- cyanins from 25˚C to ...the purification process when the ... See full document

... between 1 lm and 2 mm (Baharuddin et ...the purification of contaminated environment water by assimilating nutrients from water and wastewater (Ramaraj et ... See full document