269 research outputs found

    Penilaian Potensi Daya Tarik Danau Bekat untuk Objek Wisata di Kecamatan Tayan Hilir Kabupaten Sanggau

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    Tayan Downstream is one of the District that is located in Regency Sanggau, West Borneo. In the Tayan Downstream there are several Lakes that each has its own potential, one of which is Lake Bekat. In the Tayan Downstream there are several Lake sthate ach has its own potential,one of which is Lake Bekat. In Lake Bekat there are many types of fishe specially the most prominent is Toman (Orheichepalus micropeltes), Kerandang (Ophiocephalus pleurophthamus) and Biawan (Hellostomata temincki). With the vastexpanse of nature through out the area + 2136.52 Ha and the beautiful scenery around the Lake,Because in the absence of Tayan Downstream nature associated with water attractions (Lake) there should be an assessment of the potential for tourist attraction on Lake Bekat. This study aims to identify andassess the potential attractiveness Lake Bekat to be developed as a tourist attractionand from this study are expected to provide information about the potential value for development Lake Bekat attractions. Thi sresearch uses descriptive methods and techniques of data collection in the field using the method of observation.From theresults of the study obtaineda value of135.98.This value is multiplied by the weighting criteria appeal to the area that is 6so135.98 x 6=815.9 or C. From the research, the need for cooperation with relevant institutions in order to in crease the potential values​​in Lake Bekat and the need for status determination so as not to conflicttareas in the future. Key words : Lake, Lake Bekat, Attraction, Tayan Downstrea

    Composition of primary cosmic rays at energies 10(15) to approximately 10(16) eV

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    The sigma epsilon gamma spectrum in 1 approx. 5 x 1000 TV observed at Mt. Fuji suggests that the flux of primary protons 10 to the 15 approx 10th eV is lower by a factor of 2 approx. 3 than a simple extrapolation from lower energies; the integral proton spectrum tends to be steeper than around to the power V and the spectral index tends to be steeper than Epsilon to the -17th power around 10 to the 14th power eV and the spectral index becomes approx. 2.0 around 10 to the 15th power eV. If the total flux of primary particles has no steepening up to approx 10 to the 15th power eV, than the fraction of primary protons to the total flux should be approx 20% in contrast to approx 45% at lower energies

    High energy gamma-rays and hadrons at Mount Fuji

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    The energy spectra of high energy gamma-rays and hadrons were obtained by the emulsion chamber with 40 c.u. thickness at Mt. Fuji (3750 m). These results are compared with the Monte Carlo calculation based on the same model which is used in a family analysis. Our data are compatible with the model of heavy-enriched primary and scaling in the fragmentation region

    Particle interactions at energies over 1000 TeV inferred from gamma-families observed at Mount Fuji

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    Scaling, mean P sub t, high P sub t jets and others at energies over 1000 TeV are discussed on the basis of gamma-family data with sigma E sub gamma 100 TeV, observed at Mt. Fuji (3750 m). These quantities were examined in connection with the primary composition

    Upaya Meningkatkan Hasil Belajar melalui Cd Pembelajaran Interaktif pada Materi Sistem Peredaran Darah Manusia Kelas VIII

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    Penelitian ini merupakan penelitian tindakan kelas yang bertujuan untuk meningkatkan hasil belajar siswa melalui CD pembelajaran interaktif pada materi sistem peredaran darah manusia. Penelitian tindakan kelas ini dilaksanakan dalam dua siklus dengan dua kali pertemuan. Hasil penelitian ini menunjukkan pada siklus I nilai rata-rata hasil belajar siswa sebesar 57,56 dengan persentase ketuntasan sebesar 50% dan pada siklus II nilai rata-rata hasil belajar siswa sebesar 62,67 dengan persentase ketuntasan sebesar 66,67%. Disimpulkan bahwa melalui CD pembelajaran interaktif dapat meningkatkan hasil belajar siswa pada materi sistem peredaran darah manusia kelas VIII B SMP Negeri 3 Sungai Raya Kabupaten Bengkayang. Kata kunci : CD pembelajaran interaktif, sistem peredaran darah manusia Abstaract:This research is classroom action research which was aimed to increas students\u27 learning achievement through interactive learning CD on human blood circulatory system. Two cycles were conducted during this research, on the first cycle was shown 57,56 of the average score at students\u27 learning achievement by 50% succeeding rate and on second cycle was shown 62,67 of the average score at students\u27 learning achievement by 66,67% succeeding rate. It could be concluded that through interactive learning CD could increase students\u27 learning achievement on class VIIIB SMP Negeri 3 Sungai Raya Bengkayang

    Biodesulphurized subbituminous coal by different fungi and bacteria studied by reductive pyrolysis. Part 1: Initial coal

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    One of the perspective methods for clean solid fuels production is biodesulphurization. In order to increase the effect of this approach it is necessary to apply the advantages of more informative analytical techniques. Atmospheric pressure temperature programming reduction (AP-TPR) coupled with different detection systems gave us ground to attain more satisfactory explanation of the effects of biodesulphurization on the treated solid products. Subbituminous high sulphur coal from ‘‘Pirin” basin (Bulgaria) was selected as a high sulphur containing sample. Different types of microorganisms were chosen and maximal desulphurization of 26% was registered. Biodesulphurization treatments were performed with three types of fungi: ‘‘Trametes Versicolor” – ATCC No. 200801, ‘‘Phanerochaeta Chrysosporium” – ME446, Pleurotus Sajor-Caju and one Mixed Culture of bacteria – ATCC No. 39327. A high degree of inorganic sulphur removal (79%) with Mixed Culture of bacteria and consecutive reduction by 13% for organic sulphur (Sorg) decrease with ‘‘Phanerochaeta Chrysosporium” and ‘‘Trametes Versicolor” were achieved. To follow the Sorg changes a set of different detection systems i.e. AP-TPR coupled ‘‘on-line” with mass spectrometry (AP-TPR/MS), on-line with potentiometry (AP-TPR/pot) and by the ‘‘off-line” AP-TPR/GC/MS analysis was used. The need of applying different atmospheres in pyrolysis experiments was proved and their effects were discussed. In order to reach more precise total sulphur balance, oxygen bomb combustion followed by ion chromatography was used

    Co-firing of biomass and other wastes in fluidised bed systems

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    A project on co-firing in large-scale power plants burning coal is currently funded by the European Commission. It is called COPOWER. The project involves 10 organisations from 6 countries. The project involves combustion studies over the full spectrum of equipment size, ranging from small laboratory-scale reactors and pilot plants, to investigate fundamentals and operating parameters, to proving trials on a commercial power plant in Duisburg. The power plant uses a circulating fluidized bed boiler. The results to be obtained are to be compared as function of scale-up. There are two different coals, 3 types of biomass and 2 kinds of waste materials are to be used for blending with coal for co-firing tests. The baseline values are obtained during a campaign of one month at the power station and the results are used for comparison with those to be obtained in other units of various sizes. Future tests will be implemented with the objective to achieve improvement on baseline values. The fuels to be used are already characterized. There are ongoing studies to determine reactivities of fuels and chars produced from the fuels. Reactivities are determined not only for individual fuels but also for blends to be used. Presently pilot-scale combustion tests are also undertaken to study the effect of blending coal with different types of biomass and waste materials. The potential for synergy to improve combustion is investigated. Early results will be reported in the Conference. Simultaneously, studies to verify the availability of biomass and waste materials in Portugal, Turkey and Italy have been undertaken. Techno-economic barriers for the future use of biomass and other waste materials are identified. The potential of using these materials in coal fired power stations has been assessed. The conclusions will also be reported

    Two of Ten Elderly Have Dementia When Entering Age of 70 Years Old

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    Life expectancy of Indonesia has increased in the few decades; it has now reached the age of 70 years. As age increases, the risk of degenerative diseases, like dementia is also increasing. As many as 60-70% of dementia cases are Alzheimer\u27s disease. However, there is only limited information on the prevalence rate of dementia in Indonesia. Early detection of dementia and knowing its prevalence rate is very important especially, since in most progressive case of dementia, including the Alzheimer\u27s disease, there is no known cure
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