THE PREPARATION AND CONTRIBUTION FIRST GRADUATE PROGRAM OF SCIENCE AND TECHNOLOGY IN EDUCATION PROFESSIONAL CAREER

The preparation and contribution first graduate program of science and technology in professional education career. Preparation of professionals in science education at the undergraduate level of education is very important flyer, for career development and competency mastery of his science through elearning. With the advanced development of the world information and communication technology, education must be prepared as an agent of knowledge for knowledge transfer in the absence of extreme changes in national culture. Readiness for workers who work in science education is very important to equipped, especially for the education level of strata 1 (undergraduate science education) in order not to stutter technology. Some models and ways of provisioning are advised through the revision or modification curriculum and prospective educators in science syllabus, the gradual training to master the stock of highly enough to have the skills and able to operate various programs that fundamental principal, in particular: the mastery of software and hardware, as the principal media for learning / ICT-based science education approach in the form of Internet, Websites Portals, e-learning, blogs, face book, etc. A rational approach in accelerating the provisioning of ICT capability can be done through workshops, training and ongoing consultation guidance

ROLE OF SAWDUST IN THE REMOVAL OF IRON FROM AQUEOUS SOLUTION

Sawdust, inexpensive material has been utilized as an absorbent for the removal of iron from aqueous solution for their safe disposal. The adsorption experiments of untreated sawdust (SD)and treated sawdust (SDC) have been carried out at room temperature using the batch test. The Langmuir and Freundlich isotherms were used to observe sorption phenomena of sawdust in the removal of iron. The results indicate that the sawdust was capable in removing iron in aqueous solution. The results have shown that the Langmuir isotherm was found well fitted into the experimental data as compared to the Freundlich isotherm. It was found that, chemisorptions and physisorption were the prime mechanism for the process of adsorption to occur between the sawdust and iron. The results also proved that the acid sulphuric treated sawdust is much better than that of untreated sawdust as an adsorbent for iron

Acoustic and thermal vibrational behavior of rare earth glasses

The ultrasonic wave velocity and the thermal expansion of the rare earth glasses have been measured as functions of temperature and pressure to test predictions of the soft potential model for the acoustic and thermal properties. The longitudinal ultrasonic wave velocities increase under pressure. The hydrostatic pressure derivative of the bulk modulus is positive: these glasses show a normal elastic response as compressed. However, the pressure derivative of the shear modulus is negative and small, indicating weak softening of shear modes under pressure. The results found are used to determine the Grüneisen parameters. This is to obtain the acoustic mode contribution to thermal expansion. After subtraction of the relaxation and anharmonic contributions, the temperature dependence of the shear wave ultrasound velocity follows a linear law as predicted by the Soft Potential Model

ROLE OF SAWDUST IN THE REMOVAL OF IRON FROM AQUEOUS SOLUTION

ABSTRACT Sawdust, inexpensive material has been utilized as an absorbent for the removal of iron from aqueous solution for their safe disposal. The adsorption experiments of untreated sawdust (SD) and treated sawdust (SDC) have been carried out at room temperature using the batch test. The Langmuir and Freundlich isotherms were used to observe sorption phenomena of sawdust in the removal of iron. The results indicate that the sawdust was capable in removing iron in aqueous solution. The results have shown that the Langmuir isotherm was found well fitted into the experimental data as compared to the Freundlich isotherm. It was found that, chemisorptions and physisorption were the prime mechanism for the process of adsorption to occur between the sawdust and iron. The results also proved that the acid sulphuric treated sawdust is much better than that of untreated sawdust as an adsorbent for iron