1,918 research outputs found
Efektivitas Media Pembelajaran Matematika Berbasis Mobile Learning dalam Meningkatkan Motivasi Belajar Mahasiswa
Penelitian ini bertujuan untuk mengetahui efektivitas penggunaan media pembelajaran berbasis mobile learning terhadap motivasi belajar mahasiswa Program Studi Pendidikan Matematika FKIP Universitas Muslim Maros. Jenis penelitian yang digunakan dalam penelitian ini adalah penelitian kuantitatif dengan pendekatan eksperimen dengan subjek penelitiannya adalah mahasiswa Program Studi Pendidikan Matematika yang sedang menempuh mata kuliah geometri dasar pada semester genap 2018/2019. Adapun desain penelitian yang digunakan adalah one group pretest-posttest design. Data dikumpulkan melalui tes dan angket motivasi. Analisis data awal digunakan untuk memeriksa normalitas data. Analisis akhir menggunakan uji one sample t-test dan uji n-gain ternormalisasi. Hasil penelitian menunjukkan bahwa rata-rata gain ternormalisasi motivasi belajar matematika mahasiswa berada pada kategori sedang dan terdapat peningkatan motivasi belajar mahasiswa setelah diajar dengan menerapkan penggunaan mobile learning dalam pembelajaran geometri dasar
Depth to magnetic sources determination using Source Parameter Imaging (SPI) of aeromagnetic data of parts of Central and North-Eastern Nigeria: a reconnaissance tool for geothermal exploration in the area
Source Parameter Imaging (SPI) of aeromagnetic data covering an area located approximately between latitude 7.5o N and 11.5o N and longitude 7.5o E and 10.5o E, which corresponds to parts of the Benue trough (lower part of the Upper Benue trough, the entire middle Benue trough, and upper part of the Lower Benue trough), lower part of the Gongola and Yola Basins, the Precambrian Basement, the Jurassic Younger Granites and two prominent hot Springs, Wiki hot spring in Bauchi state (in the north-eastern part) and Akiri hot spring in Nasarawa state (in the south-western part) of central and north-eastern Nigeria, was carried out for the purpose of estimating the depth to magnetic basement of the area. The estimated depths to magnetic sources from Source parameter imaging (SPI), range from 0.12 to 12.26 km. The highest depth can be found at the south-western part of the study area. The depth to magnetic basement is shallower mainly in the north and extreme north-eastern parts of the study area with magnetic high flanking areas of magnetic low. The above characteristics of these areas and the location of warm springs at the north-eastern and south-western parts of the study area (Wikki and Akiri hot springs respectively). Which suggests the occurrence of tectonic activities in the area, hence is an indication that, there might probably be good sources for geothermal and thereby recommended for both geothermal exploration and exploitation
Efektifitas Beauveria Bassiana Vuill Terhadap Pengendalian Spodoptera Exigua Hubner (Lepidoptera : Noctuidae) Pada Tanaman Bawang Merah Lokal Palu (Allium Wakegi)
The purpose of this study is to determine the effectiveness of Beauveria bassiana on the control of Spodoptera exigua Hubner ( Lepidoptera : Noctuidae ) on shallot crop varieties Palu valley ( Allium wakegi ) . This research was conducted in the village of Sidera , District Biromaru , Sigi and in the Laboratory of Plant Pests and Diseases ( HPT ) .The research was conducted from April to June 2014. This study was prepared by Group Random Design ( RAK ) with patterns of factorial , consisting of 2 factors with 3 replications , in order to obtain 24 units experiment , with treatments as follows : F1 namely doses : D0 : Without the application of Beauveria bassiana / use distilled water , D1 : 6 grams B.bassiana / L of water , D2 : 8 gr B.bassiana / L of water , D3 : 10 gr B.bassiana / L of water and F2 is the time interval applications with 2 levels : W1 : interval of 5 days and W2 : interval of 7 days . The data were analyzed using analysis of variance ( ANOVA ) and if it shows a marked influence further tested using the Test HSD 5 % . Based on observations indicate that the fungus application B.bassiana significantly affect the intensity of the attacks S.exigua , during the observation time 4,5,6,7 and 8 MST show that the intensity of the treatment D3W1 provide S.exigua the lowest compared to all other treatments at an all-time observation . In observation of 4 MST intensity of the attack only reached 2.02% , on the observation 5MST reached 1.74% , at 6MST 7MST 1.39 % and 1.19 % . In observation of severe crop production ( Table 2 ) showed that the treatment D3W1 (10g / L , 5H ) produced the highest plant weight 143,82g / clump converted can reach 3.60 t / ha-1
Measurement of NO2 indoor and outdoor concentrations in selected public schools of Lahore using passive sampler
Higher levels of NO2 are a danger to human health especially for children. A seven day study was carried to find out the
ambient concentrations of NO2in 27 schools of Lahore with the help of passive samplers. In each school three sites were
selected, viz: laboratory, corridor and outdoors. After 7 days exposure the tubes were subjected to spectrophotometric
analysis. Results showed that the maximum values measured in laboratory, outdoor and corridors were 376µg/m3 ,
222µg/m3 and 77µg/m3 . Minimum values for laboratory, outdoor and corridors were 10µg/m3 , 20µg/m3 and 8µg/m3 .
Factors affecting these values were laboratory activities and proximity to main roads. These values were significantly
higher than the standard values defined by EPA. Therefore children in schools were at risk of developing health
complications
Pengendalian Terpadu Penyakit Kudis (Sphaceloma Batatassaw.) pada Ubijalar
Penyakit kudis yang disebabkan oleh Sphaceloma batatas merupakan penyakit penting dan banyak menimbulkan kerugian hasil yang cukup besar di negara-negara produsen ubijalar (Ipomoea batatas)di Asia, Australia, negara-negara Caribia, kepulauan Pacific dan Amerika latin. Di Indonesia penyakit kudis telah tersebar di sentra produksi ubijalar di Jawa,Bali, Sumatera dan Papua. Kehilangan hasil ubijalar akibat serangan penyakit kudis dapat mencapai 30%, tergantung varietas, umur tanaman pada saat terinfeksi dan kondisi lingkungan. Umumnya penyakit kudis berkembang didataran tinggi dan terutama pada musim hujan. Pengendalian terpadu penyakit kudis dapat dilakukan dengan mengkombinasikan beberapa cara pengendalian yang saling kompatibel dalam satu paket pengendalian yaitu: menanam varietas yang tahan (Muaratakus, Cangkuang, Sewu, Sari, Sukuh, Kidal, Papua Salosa dan Sawentar), menggunakan bibit sehat atau mencelup bibit dalam larutan fungisida Benomyl atau Mankozeb selama 15 menit, rotasi tanam dengan tanaman yang bukan inang jamur seperti tanaman kacang tanah, kedelai, jagung atau padi, sanitasi lahan dengan memusnahkan bekas tanaman yang terinfeksi dan menyemprot fungisida Benomyl (400 g ba/ha), Chlorotalonil 1300 g ba/ha, Captafol 1520 g ba/ha, fentin hidraxide 300 g ba/ha, tembaga oxiklorida 1500 g ba/ha dan Mankozeb 1500 g ba/ha, atau pestisida nabati (4 g/100 ekstrak bawang merah) apabila diperlukan
Pola USAha Dan Pendapatan Rumah Tangga Petani Pada Berbagai Tipologi Lahan Rawa Lebak
Tujuan penelitian ini 1) mendeskripsikan pola USAha yang dikembangkan rumah tangga petani pada berbagai tipologi lahan rawa lebak, dan 2) menghitung pendapatan rumah tangga petani pada berbagai pola USAha yang dikembangkan pada lahan rawa lebak. Metode penarikan contoh yang digunakan adalah sampel acak sederhana (random sampling) dengan jumlah total sebanyak 222 orang petani. Metode penelitian yang digunakan adalah metode survei. Hasil penelitian menunjukan bahwa pola USAha yang dikembangkan petani lahan rawa lebak pematang adalah: hortikultura:buah-buahan tahunan, Ternak: ayam dan kambing, dagang, industri rumah tangga, jasa angkutan, padi, penangkapan ikan, hortikultura: sayuran dan buah-buahan semusim dan palawija: ubi kayu dan kacang tanah, Buruh, budi daya ikan. Pola lebak tengahan: hortikultura:buah-buahan tahunan, Ternak: itik, dagang, industri rumah tangga, jasa angkutan, padi, penangkapan ikan, hortikultura: sayuran dan buah-buahan semusim, Buruh, budi daya ikan. Pola USAha rumah tangga pada lebak dalam: hortikultura:buah-buahan tahunan, Ternak: itik dan kerbau, dagang, industri rumah tangga, jasa angkutan, padi, penangkapan ikan, hortikultura: sayuran dan buah-buahan semusim, Buruh, penangkapan ikan, budi daya ikan. Pendapatan rumah tangga yang mengusahakan lebak, yaitu lebak tengahan: Rp20.212.000/rumah tangga/tahun, lebak pematang Rp19.525.400/rumah tangga/tahun dan lebak dalam Rp18.248.000/rumah tangga/tahun
Analisis Struktur dan Distribusi Pendapatan Rumah Tangga Petani di Lahan Rawa Lebak
The purpose of this study are: (1) to determine the structure of the household income of rice farmers in lowland swamp land, and (2) to determine the distribution of household income of farmers in various typologies lebak.Penelitian wetlands was held in Ogan Ilir and Ogan Ogan Ilir in March until May 2013. Sampling technique is simple random sample of 222 farmers, or 10.5 percent of 2,111 respondents used in this research. These respondents were divided into 3 groups: farmers who cultivate land swampy marsh embankment, mid and deep. The method used is a survey method. Data collected consist of primary and secondary data. The structure of household income farmers viewed from the contribution of a business on total household income, while the income distribution is calculated using Gini index. The results showed the contribution of household income on lebak dikes and in largely derived from non farming, to contribute to the embankment of lebak by 63.62% and amounted to 48.43% in the lowland, while in the mid lebak largely derived from rice farming with a contribution of 70.03%. The distribution of household income in the three types of inequality lebak almost evenly with relatively low because it has a Gini index of less than 0.4
Aplikasi Model Proportional Hazard Cox pada Waktu Tunggu Kerja Lulusan Jurusan Matematika Fakultas MIPA Universitas Sriwijaya
Penelitian ini bertujuan untuk (1) menentukan nilai peluang dari waktu mendapatkan pekerjaan per-tama lulusan, (2) mengetahui bagaimana pengaruh beberapa karateristik terhadap waktu mendapatkan pe-kerjaan pertama lulusan dengan menerapkan model proportional hazard Cox. Subjek penelitian terdiri atas 35 orang lulusan Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Sriwijaya yang lulus pada tahun 2012. Karakteristik-karakteristik yang diamati adalah usia, masa studi, IPK, skor TOEFL, pendidikan orang tua, pengalaman organisasi, dan pengalaman kerja. Hasil dari penelitian ini memperlihakan bahwa peluang tertinggi bagi para lulusan untuk mendapatkan pekerjaan pertama adalah mulai awal bulan ketiga sampai akhir bulan keempat setelah wisuda, yaitu sebesar 0,31579. Karakteristik yang berpengaruh sig-nifikan terhadap waktu mendapatkan pekerjaan pertama adalah pengalaman organisasi. Model terbaik yang terbentuk adalah ℎ , = ℎ0 exp(−0,979 6) dengan nilai rasio hazard sebesar 0,376. Hal ini berarti bahwa lulusan yang memiliki pengalaman organisasi memiliki peluang 0,376 kali lebih besar untuk mendapatkan pe-kerjaan pertama setelah wisuda
Immunohistochemical evaluation of iron accumulation in term placenta of preeclamptic patients
Preeclampsia is a disease which involves hypertension and multisystem, it effects approximately 2 to 8% of all pregnancies and is a significant cause of maternal and newborn mortality and morbidity. It develops in the placenta and its pathogenesis is associated with placental abnormalities. Classical immunohistochemical studies on placenta have shown that there is a linear increase in iron storage in the placenta in the first half of a normal pregnancy, however, these stocks are decreased in normal 3rd trimester placenta. Iron accumulation in term placentas of preeclamptic and normal pregnancies were evaluated in this study. Ferritin immunostaining was observed to be more intense in preeclamptic group than in the control group, especially in Hofbauer cells, subtrophoblastic areas of stem villous, perivasculer stroma and villous stroma. Statistical analysis of the data was performed using SPSS software. Mann Whitney U test was used in the analysis and P values below 0.05 were statistically significant. In this study, iron accumulations in normotensif and preeclamptic placentas werecompared.Key words: Preeclampsia, placenta, immunohistochemistry, iron accumulation
Solar Resource Assessment in Jammu and Kashmir State
The state of Jammu and Kashmir has diverse agro-climatic zones. The present paper on solar resource assessment in the state of Jammu and Kashmir is based on ten years of average data taken from NREL and SRRA stations. The state is blessed with huge solar potential, both for thermal generation as well as photovoltaic. The same energy can be used for electricity and process heat generation to mitigate growing energy crisis particularly in winter. The data as obtained from NREL and C-WET through SRRA stations revealed that the state is receiving more than 5 kWh/m2/day of average DNI and GHI every month which in itself can be harnessed for solar thermal energy and photovoltaic power. The average DNI and GHI received from last ten years varied from (1 kWh/day/m2) to (8kWh/day/m2) per day
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