Portal Jurnal Politeknik Negeri Semarang
Not a member yet
    3817 research outputs found

    Karakteristik Briket Pemanfaatan Limbah Kulit Pisang Kepok Perekat Tepung Tapioka

    Get PDF
    Kota Balikpapan memiliki hasil limbah.produksi pangan, salah satunya yaitu limbah berbahan dasar pisang. Dimana limbah ini masih belum dimanfaatkan dengan baik dan benar. Limbah kulit pisang yang dihasilkan salah satunya yaitu kulit pisang kepok. Kulit pisang tergolong sebagai limbah biomassa, dimana biomassa memiliki kandungan yang dapat dikonversi menjadi sebuah bahan bakar alternatif. Biomassa merupakan bahan dasar bahan bakar terbarukan yaitu dimanfaatkan menjadi sebuah briket. Pembuatan briket dilakukan dengan cara sederhana yaitu dengan cara melakukan penjemuran limbah kulit pisang kepok yang telah dipilih kualitasnya dibawah sinar matahari hingga kering, kemudian dilakukan proses pembuatan arang kulit pisang dan dilakukan penghalusan arang kulit pisang kepok. Setelah proses penghalusan dilakukan penyaringan dengan menggunakan mesh 80 variasi perekat tepung tapioka 5%, 10%, dan 15%. Dimana hasil penelitian ini briket dengan nilai kalor terbaik mendekati nilai standar yaitu bernilai 4346,04 kal/g, nilai kadar air yang terendah yaitu 4,88 %, dan nilai kadar abu terendah yaitu 16,73%. Dari hasil tersebut dapat disimpulkan bahwa pembuatan briket dengan bahan baku kulit pisang kepok dapat dijadikan sebagai bahan bakar alternatif terbarukan namun perlu dilakukan penningkatan kualitas dari briket tersebu

    IPTEK DALAM PENINGKATAN KUANTITAS PRODUKSI DAN KUALITAS KEMASAN PRODUK SUPLEMEN MAKANAN TERNAK

    Get PDF
    UKM CV Rahman Sabitra in Surakarta produces Animal Feed Supplements, especially Layer Chicken. Themarketing areas are Wates, Blitar, Polokarto and Kendal. The packaging is still manual, resulting in products thatcannot be standardized (not uniform in size, easily damaged), resulting in many returns and cannot meet thetarget demand.The solution offered is by providing packaging machine specifications that are in accordance withthe products produced by taking into account the meaning, purpose and benefits of packaging for the product,minimizing losses. Beginning with an interview to explore the problems faced & expectations of Partners,continued by transferring knowledge about good packaging and meeting packaging standards to employees. Then survey the types of continuous packaging machines to choose alternatives and determine the type of scienceand technology that is in accordance with product specifications and available funds. Packaging machineoperation training and packaging trial for employees. The post-handover evaluation of the machine concludedthat science and technology was very helpful.With the existence of science and technology/continuous packagingmachines, Partner's performance will increase. The quality of product packaging can meet the standard, moreefficient & effective, less packaging is damaged, so that the quality of service to customers increases. Theexistence of a continuous packaging machine can solve the problems faced by Partners, namely improvingpackaging quality, doubling productivity, fulfilling product packaging standards resulting in reduced productreturns due to damaged packaging, which in turn can minimize losses

    PEMBERDAYAAN PKK KELURAHAN PEDALANGAN BANYUMANIK SEMARANG MELALUI PEMBENTUKAN KELOMPOK USAHA BERSAMA

    Get PDF
    Permasalahan yang dihadapi mitra adalah belum memiliki kelompok usaha bersama, jiwa berwirausaha,ketrampilan membuat rencana bisnis, pengetahuan dan ketrampilan untuk memulai usaha. Tujuan dariprogram ini adalah mendirikan kelompok usaha bersama, mengembangkan jiwa kewirausahaan, danmerintis usaha. Solusi yang ditawarkan pada mitra adalah adalah mendirikan kelompok usaha bersma,pengembangan jiwa kewirausahaan, praktek membuat rencana bisnis dan makanan ringan, pengadaan peralatan produksi. Target Luaran dalam program ini adalah pendirian kelompok usaha bersama,peningkatatan jiwa kewirausahaan, ketrampilan membuat rencana bisnis, memproduksi makanan ringan,pendapatan keluarga, dan publikasi ilmiah. Metode pendekatan yang akan digunakan adalah praktekpembentukan kelompok usaha bersama, pelatihan peningkatan jiwa kewirausahaan, praktek membuatrencana bisnis dan produk makanan ringan, montoring, dan pendampingan. Hasil dari kegiatan ini adalahpendirian kelompok usaha bersama, jiwa kewirausahaan meningkat 100%., ketrampilan membuat rencanabisnis meningkat 100%, ketrampilan dalam membuat produk makanan ringan meningkat 100%, pendapatankeluarga meningkat 10%, publikasi ilmiah pada seminar nasional, terbit pada prosiding/jurnal dan publikasi kemedia masa

    RANCANG BANGUN PINTU DENGAN AKSES RFID DAN PENGENALAN WAJAH BERBASIS RASPBERRY PI

    Get PDF
    Pendataan kehadiran dosen dan mahasiswa dalam proses belajar mengajar merupakan halyang penting untuk mengukur tercapainya tujuan pembelajaran. Pencatatan kehadiransecara umum dilakukan dengan mengisi daftar dalam bentuk kertas formulir, hal inimemiliki kekurangan pada pendokumentasiannya karena ada risiko hilang atau rusak. Dalam penelitian ini dibuat sebuah sistem pencatatan kehadiran dalam proses belajarmengajar dengan menggunakan RFID dan pengenalan wajah menggunakan kamera WebC170 HD berbasis Raspberry Pi yang disatukan kedalam sistem untuk membuka danmenutup pintu akses masuk ruang kuliah. Uji coba sistem ini dilakukan di pintu ruangLaboratorium Digital Politeknik Negeri Semarang untuk 25 mahasiswa dan 3 staf akademiksebagai model yang datanya telah tersimpan di dalam sistem. Tujuannya untuk memonitor data kehadiran melalui penyimpanan data secara elektronik pada pangkalan data awan.Prinsip kerja sistem ini pintu hanya dapat dibuka oleh staf akademik sebelum kelas dimulaisedang mahasiswa dapat mengakses sesudahnya. Ketika pintu dibuka maka secaraotomatis data akan terekam oleh sistem selanjutnya sistem akan membaca RFID ataumengenali wajah yang tertangkap kamera web untuk setiap orang yang akan memasukiruangan. Setiap akses yang dilakukan maka layar 3.5” pada panel akan menampilkan databerupa identitas RFID dan wajah. Hasil pengujian alat ini menunjukkan sistem telahbekerja dengan baik.Kata Kunci:

    PELATIHAN PENYUSUNAN LAPORAN KEUANGAN TERKOMPUTERISASI UNTUK PERUSAHAAN MANUFAKTUR DENGAN MENGGUNAKAN APLIKASIMYOB BAGI GURU MGMP AKUNTANSI KABUPATEN TEGAL

    Get PDF
    Data from the Education Office for the Central Java Region, it is recorded that there will be 18 SMKs majoring in Accounting in Tegal Regency in 2022, consisting of 3 Public Vocational Schools and 15 private Vocational Schools. Until the 2019/2020 academic year, all SMK students, both public and private, have taken the Accounting Technician competency test several times for the Competency Unit for Compiling Computerized Financial Reports. Acquisition of competency test scores obtained showed unsatisfactory results. It is necessary to improve the quality of education quality so that the quality of graduates becomes better and is quickly absorbed by the industry in accordance with predetermined expectations, by increasing competency exam results. There are several obstacles in the quality of the competency test, including vocational teachers in Tegal Regency who are members of the Accounting MGMP (Subject Teacher Deliberation), lack of provision of competency test material for the Unit of Compiling Computerized Financial Reports for Manufacturing Companies using the MYOB Application. The purpose of the community service activity is to conduct training in compiling computerized financial reports for manufacturing companies using the MYOB Application for teachers who are members of the Tegal Regency Accounting MGMP. The specific target of community service activities is the increasing number of students passing the Competency test for Compiling Computerized Financial Report

    Rancang Bangun dan Uji Kinerja Mesin Perajang Kentang dengan Penggerak Motor Listrik Menggunakan Sistem Sentrifugal Berkapasitas 30 Kg/Jam

    Get PDF
    This chopper machine is a machine used for slicing potatoes in the manufacture of chips. This machine is made to simplify the process of slicing potatoes. This machine is also equipped with a potato press and a machine housing cover. The planning process of engine manufacture begins with consideration of design alternatives which contain several design options to be considered, so that at the evaluation stage one of the best designs can be selected which is then developed towards the manufacture of all machine parts. This potato chopper machine is made using motor power calculations, shaft calculations, belt calculations, bearing calculations, peg calculations, and stretch calculations. This machine has dimensions of 600 mm × 400 mm × 1000 mm with a 0.25 HP electric motor drive. Setting the knife before using the machine to get the desired thickness of the sliced results, the use of material should be chosen stainless steel (stainless steel) to provide hygiene for food

    THE LITERACY COMPETENCY OF THE STUDENTS IN ACCOUNTING DEPARTMENT OF SEMARANG STATE POLYTECHNIC IN BUSINESS PRESENTATIONS IN ENGLISH LANGUAGE VIEWED FROM ENGLISH AS A FOREIGN LANGUAGE

    Get PDF
    Literacy is defined as the ability to read and write. Technological advances have resulted a shift of its   interpretation, so that the applications  of the scope of literacy are becoming wider and more complex, therefore this affects  the literacy competence. The aim of this study is to examine the  literacy competencies which cover three aspects of abilities, namely language aspects, social aspects, and cognitive aspects of of the students majoring in Accounting of Semarang State Polytechnic in making business presentations in English language. The data used in this research is recorded  from the sample of students in doing the presentation. The samples of this research are 60 students from the Accounting Department who are taken from the all 6 Study Programs  in Accounting Department, therefore, there are 10 students of each Study Program. Hopefully, that the results of this study can contribute to the development of literacy theory, applied language theory, as well as the theory of learning language and literacy in general. Moreover, it will increase the scores of the students in making business presentations in English. The expected output of this study is the map of the literacy competence of the students majoring in Accounting Department in Semarang State Polytechnic. While the expected outcome is improvements in the teaching and learning process in Business English Course, as well as improvement the students competence in doing business presentation .  Keywords: business presentation, competence, literac

    Influence of Environmental Knowledge and Fashion Consciousness on Green Purchase Intention of Sustainable Fashion Products

    Get PDF
    The growing awareness of claims about the negative impacts on the environment causes to lead fast fashion brands to shift their production from fast to sustainable collections. In line with the previous transformation, customers intend to purchase sustainable fashion products by considering their fashion consciousness and environmental knowledge. This study has two goals: (1) analyzing the influence of environmental knowledge on green purchase intention of sustainable fashion products. (2) analyzing the influence of fashion consciousness on green purchase intention of sustainable fashion products. Purposive sampling was used to select 100 respondents who bought fashion brands H&M and ZARA. This study used multiple regression analysis. This study proved that environmental knowledge and fashion consciousness positively influences green purchase intention of sustainable fashion products. The higher the environmental knowledge, the higher the extent of green purchase intention of sustainable fashion. Sustainable fashion industries should maintain product designs, attractive attributes, and variations of styles of sustainable apparel collections. They should emphasize the benefit of purchasing sustainable fashion products to save the environment through intense campaigns

    KINERJA KEUANGAN BERDASARKAN PROSES BISNIS INTERNAL PERUSAHAAN DENGAN METODE BALANCED SCORECARD PADA PERUSAHAAN BERBAGAI SEKTOR DENGAN KAPITALISASI TERTINGGI DI BURSA EFEK INDONESIA TAHUN 2020-2021

    Get PDF
    This study aims to analyze financial performance based on the company's internal business processes using the balanced scorecard method in various sector companies with the highest capitalization on the Indonesia Stock Exchange which experienced a decline in profits in 2020-2021. This research design is a descriptive applied quantitative research with ASII, BBCA, and TLKM samples. The analytical method used is the Balanced Scorecard Method with four perspectives. The results of the analysis show that ASII 2020 results in a final total score of 50% in the BBB category and unhealthy conditions, ASII 2021 at 57% in the BBB category and unhealthy conditions, BBCA 2020 at 62% in the BBB category and unhealthy conditions, BBCA 2021 by 74% with category A and very healthy condition, TLKM 2020 by 58% with category BBB and unhealthy conditions, and TLKM 2021 by 71% with category A and very healthy condition

    Investigation of Double Screw Compressor Characteristic based on Experimental in Industry

    Get PDF
    Large-scale compressed air equipment is the only way to meet the demand for air for production facilities such as the pharmaceutical, automotive, or combustion processes industries. As one of the main driving components in the air compressor system, the double screw determines the reliability and performance of the entire compressed air system. Double screw compressors are a promising option for use in large-scale compressed air systems due to their high efficiency and reliability. The double screw profile has been specially designed to increase compression capability over a period of more than 24 hours with a range of 400 to 385 m3 per hour. The cooling oil works well keeping the compressor temperature constant at around 100 0C, even though there are very active temperature fluctuations. On the working pressure side the compressor as a whole is constant, although there is a significant spike in the dryer pressure. The dryer pressure experienced a significant increase reaching 6.9 Bar in the sixth data collection, while the cooling oil pressure and tank pressure were the same at 6.6 Bar, and the air pressure was 6.3 Bar. The results of observing the performance of compressors during industrial operation have presented the ideal working conditions for double screw compressors reaching 58.4 kJ/kg, while the actual working conditions of compressors are 66.6 kJ/kg. Overall, the average compressor efficiency is 87.81%

    3,302

    full texts

    3,817

    metadata records
    Updated in last 30 days.
    Portal Jurnal Politeknik Negeri Semarang
    Access Repository Dashboard
    Do you manage Open Research Online? Become a CORE Member to access insider analytics, issue reports and manage access to outputs from your repository in the CORE Repository Dashboard! 👇