Salah satu bentuk profesionalisme guru adalah memiliki kemampuan menulis artikel ilmiah. Guru SMP 2 Sekotong pada umumnya belum memiliki wawasan yang cukup tentang kepenulisan ilmiah sehingga guru mengalami kesulitan dalam meningkatkan kemampuan profesionalnya dalam bidang kepenulisan. Tujuan kegiatan pengabdian pada masyarakat ini adalah meningkatkan kompetensi guru dalam menulis karya ilmiah. Metode yang digunakan adalah pendekatan konstruktivisme, pelaksanaan kegiatan dibagi menjadi dua kali yaitu pertama pelaksanaan kegiatan dilakukan melailui pemberian materi di dalam kelas dengan metode ceramah kelas, diskusi, pemberian contoh dan latihan, dan selanjutnya peserta diberikan layanan bimbingan. Hasil yang diperoleh dari kegiatan ini adalah menambah pengetahuan dan wawasan yang cukup tentang hakikat penulisan artikel ilmiah, menambah keterampilan menulis karya tulis ilmiah berdasarkan sistematika dan bahasa ilmiah yang baik. Guru SMP 2 Sekotong yang mengikuti kegiatan pengabdian masyarakat sangat antusias mendapat pelatihan tentang teknik penulisan karya tulis ilmiah sebagai penunjang profesionalitasnya didunia pendidikan serta dapat menghasilkan produk artikel ilmiah yang layak diterbitkan di jurnal ilmiah. Keywords: Artikel ilmiah, guru, Konstruktivisme
Telah dilakukan penelitian analisis kadar air madu menggunakan kombinasi metode kapasitansi dan indeks bias. Penelitian ini bertujuan untuk mengetahui hubungan konstanta dielektrik dan indeks bias terhadap kadar air dalam madu berdasarkan Standar Nasional Indonesia (SNI) 01-3545-2004. Pada penelitian dilakukan 5 variasi penambahan air (0, 2,5 ml, 5 ml, 7,5 ml dan 10 ml) untuk setiap sampel madu Sumbawa, madu Trigona dan madu kemasan. Hasil interpretasi data menunjukkan bahwa semakin besar nilai konstanta dielektrik madu mengindikasikan semakin rendah kadar air dalam madu dan semakin rendah nilai indeks bias madu menunjukkan kadar air dalam madu semakin besar. Selain itu juga, kadar air dalam madu kemasan dan madu Sumbawa berada dalam rentang kadar air yang disyaratkan SNI (< 22%) berdasarkan nilai indeks bias sementara untuk madu Trigona tidak berada dalam rentang tersebut.
Gold processing waste contains many chemicals compound such as mercury and cyanide, which may help change the physical character of soil. In this study, the temperature, humidity and soil pH has been measured. Measurements of temperature and soil moisture are carried out using SHT11 sensors directly during gold processing. Measurements were carried out around the pond in three different directions. Each direction has 6 points, spaced 5 m apart. Measurements at one point are carried out for 20-21 hours. The measurement results are then mapped to a contour using Surfer-13. Based on the measurement results, obtained temperature values for all points are in the range 25.2-30.3 °C. While the value of soil moisture around 63.8-89.9%, and the soil pH value ranged from 6.8 to 8.1. The mapping results shows the distribution of temperature, humidity and soil pH with almost the same pattern, where the mercury concentration is linear with soil temperature, and soil pH, but non-linear with soil moisture
This study investigates the emission factor arising from the agriculture waste burning especially rice straw burning. This research is a preliminary study to look further about the health impacts that occur due to the biomass burning that often occurs in Lombok island. The Laboratory study has been conducted to quantify the emission factor that looks into different burning rate related to the real condition in the field to estimate the health impact. The burning rates were varied into three different burning conditions, namely fast burning (13 m/s), medium burning (9 m/s) and slow burning ( 4 m/s). The concentration of the particle emissions (PM10 and PM2.5) were measured using a Handheld Air Tester (Hinaway, model CW-HAT200S) and a Digital Dust Monitor (Kanomax, model 3443). The emission factor is quantified by the total particle concentration divided by the burned fuel. The result shows that the burning rate determines the particle emission factor. The fast burning produces the particles the lowest PM10 and highest PM2.5 emission factor otherwise the slow burning results in the particle particles the highest PM10 and lowest PM2.5 emission factor.
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