[PDF] Top 20 Cap 5. Promover la convivencia en los centros educativos: el protagonismo del alumno

... Our main objectives were to recover as much as liquid condensate as possible while keeping its RVP at 10 psia for the summer case. However, heat duties of steam heaters and shell and tube heat exchangers (so as ... See full document

... petroleum gas, heavy and light naphtha, gases etc. The unit uses (VGO, HGO, and Waxy distillates) as its ...Distillation Unit (area 1) and Vacuum Distillation Unit (area 2) of ...on ... See full document

... needed to do mathematical modeling and simulation of all possible processes choice. It is essential to rely on that mathematical model which is fast, accurate and requires less computation effort. Such model also ... See full document

... of milk, fish etc. For the large scale production of ethyl palmitate reaction kinetics should be well determined [2]. Usually rate of reaction is influenced by many factors such temperature of reaction, initial mole ... See full document

... Membrane contactors are hybrid combinations of advanced membrane techniques with an effective absorption process. The hybrid system concept is the newest solution in the field of industrial absorption. Membrane ... See full document

... large number of steady state solutions by the coupling between absorption and reaction in a falling film ...the gas and hence leads to mass transfer control of the reaction, while an intermediate ... See full document

... 448 The kinetic adsorption of dye on two adsorbents for initial dye concentration at 20 mg/L reached the equilibrium at 180 min for green perlite and 30 min for shrimp shell. As seen in Table II, the correlation ... See full document

... In subsurface sampling, the sampling device is moved via the wellhead down to sampling point. The well fluid is collected in sampling device as a result of the high pressure gradient, and moved up by pulling the device ... See full document

... Ag + had catalytic effect on arsenopyrite bioleaching. Especially, with the presence of Fe 3+ , the catalytic effect is even better. When the Ag + concentration was 2mg/L; the pulp density was 2%; the pH was 2.0; ... See full document

... Dental erosion, otherwise known as erosive tooth wear, is the loss of dental hard tissue through either chemical etching and dissolution by acids of non bacterial origin or chelation. Evidence based on case reports, ... See full document

... Comparing the results obtained by the three methods, we find that the antioxidant activity differs according to the test used. The monocyclic betaine 3 is the most active in the test of scavenging free radical ... See full document

... During the experiment, two types of oven were used to identify the radiation effect, black surface oven and shiny surface oven. Oven temperatures were set up at 180°C, 200°C and 220°C to generate different surface ... See full document

... The aim of this paper is to provide a workflow through which a systematic fracture characterization can be done for a safer drilling and better production. A tight sandstone reservoir with multi-oriented natural ... See full document

... Pressure and Temperature have a significant role on mass transfer between droplet and supercritical carbon dioxide. In this work, effect of these parameters have been studied and shown in Fig. 7-Fig. 9. This has observed ... See full document

... Pharmaceutical industry often generates high strength wastewater and sludge changing, in character and quantity depending upon the used manufacturing processes and season [1]. The effluents originated from the ... See full document

... effective number of parameters per total number of tunable parameters (#), sum of squared weights (SSW), and the network prediction ...significant number of iterations ... See full document

... nanoparticles (nZVI particles) used to reduce the amount of strikes in nitrotoluene in water at a concentration of 10 mg / L was prepared of the stock standard TNT 100 mg / L [9]-[12]. Nanoscale zinc oxide (nZnO) is ... See full document

... Fig. 3 illustrated size distribution of of nanocapsules loaded Cassia alata leave extract which prepared at dilution time of 2 h with different stirring rate, from 4050 to 8100 ... See full document

... Termites are highly destructive insects; a termite can cause significant economic damages from paper fabrics to wood constructions. It also constitutes a serious menace to agriculture and forestry [1]. Although, termites ... See full document

... Group VIII at a temperature of about 200 o C and moderate pressure yield a mixture at the output that is close in physical and fuel properties to the gasoline fraction of the oil. This product FT-process was called ... See full document