IOSR-JESTFT   Volume-8 ~ Issue-1 ~ January 2014

Abstract: Vehicles in Makassar region encompassed the most gas emission that must be at concentration rate, in this research it showed higher than limiting point from stated by the government. The objective of this research is to describe the condition of vehicles gas emission and the different gas concentration emitted by the vehicles, and the controlling efforts and strategies to overcome the emission. This research was done in six months in Makassar. This research included visibility survey method, with the population of this research was consisting of all the vehicles in Makassar city and sampling technique used incidental which took 146 vehicle units. The vehicles gas emission was measured in AVL Emission Tester type 4000, and the data were analyzed in descriptive and inferensial statistics. The result of this research showed that; (1) The gas emission were; CO, CO2, HK and NO2 of vehicles in Makassar city was higher than limiting point, except the CO, (2) The different concentration gas were; CO, CO2, HK and NO2 emitted by the vehicles in Makassar city.

Keywords: gas emission, vehicles, Makkasar City.

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Abstract: Coconut stand out as the foremost amongst the palms that human kind has discovered for is multifarious uses to sustain and support life. In recent years emphasis is focused on product diversification, by products utilization and development of value added coconut products to improve the coconut economy. Coconut jam is a traditional high sugar coconut food product, commonly consumed as desert, bread spread and rice cake topping. An attempt was made to utilize the residual coconut pulp left in the tender coconuts after removal of coconut water. The coconut pulp was mixed with pineapple pulp and guava pulp in different proportions to increase the acceptability of the jam. The prepared coconut jam packed in plastic container and glass bottles and had the shelf life of 180 days at room and refrigerated temperatures. The changes in chemical, microbial and organoleptic characteristics of the coconut jam were studied.

Keywords: Tender coconut, Pineapple, Jam, Glass bottles, plastic containers, Storage.

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Abstract: Phytoplankton is microorganism which possesses important roles in the waters, not only as primary producer in food chain but also one of the parameters for fertility level of the waters. This study was aimed at knowing the phytoplankton dynamics and the water quality of Hampalam River and fish pond in Batanjung Village, Kapuas Regency. The study was carried out from May 2011 to May 2012, and sampling was done 13 sucessive times at 6 station points. Phytoplankton sampling was done using filtering method and physical and chemical parameter measurements were done in situ and laboratory. Results showed that 60 genera of 7 phytoplankton phylla were found in the river and pond, with the highest abundance of Pleurosigma belonging to Chrysophyta in the river and Euglena sp.belonging to Euglenophyta in the pond, respectively. Based upon the phytoplankton structure and aquatic physical and chemical parameters, Hampalam river and public pond were in moderate fertility level or stable ecosystem. DHL, Salinity, total P, NO3, NH3, and pH directly affect the phytoplankton.

Keywords: effect, phytoplankton, water quality, river, Hampalam, pond.

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Abstract: Groundwater is a major source of water for drinking, agricultural, and industrial desires. The availability of water determines the location and activities of humans in an area and our growing population is placing great demands upon natural fresh water resources. However, they are sometimes exposed to various forms of pollution such as agricultural, industrial and residential. This work has an objective evaluation of physicochemical quality of water from springs in the region of Bittit, which is used in the supply of drinking water for a large population. The results obtained in this study show that the water studied has a conductivity that varies between 463 μs/cm and 734 μs/cm. Nitrate concentrations varied between 16.17 mg/l and 17.72 mg/l. Concentrations of major ions (Ca2+, Mg2+, K+, Na+, SO4²-, ...) as well as the values of the parameters (pH, temperature, hardness, ...) do not exceed the Moroccan standards (NM 03.7.001, 2006) relating to drinking water.

Keywords: springs, physicochemical, quality, Bittit area.

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