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IDENTIFIKASI SANDWICH PANEL PADA STRUKTUR GELADAK KAPAL Windra Iswidodo; Auliana Diah Wilujeng; Ahmad Mustofa
Majalah Iptek Politeknik Negeri Medan Polimedia Vol. 23 No. 4 (2020): Edisi November
Publisher : Politeknik Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (525.917 KB)

Abstract

Pengembangan bahan sandwich untuk struktur kapal ditujukan terutama untuk mengurangi bobot kapal sehingga muatan kapal dapat meningkat. Makalah ini membahas pengembangan bahan inti sandwich yang sesuai untuk struktur kapal. Bahan inti terbuat dari resin sintetis dan talak; Persentase talak dengan berat total yang diteliti adalah 10 persen, 20 persen, 30 persen, dan 40 persen. Uji laboratorium yang disyaratkan oleh Lloyd's Register (LR) dan Det Norske Veritas (DNV) dilakukan pada bahan inti. Selain itu, sandwich panel terdiri dari kulit (faceplate) baja dan bahan inti yang dikembangkan diuji dengan menggunakan standar ASTM termasuk uji tarik, geser, dan lentur untuk mengetahui karakteristik material. sandwich panel digunakan untuk mendesain geladak kendaraan pada kapal jenis ro-ro. Analisis geladak sandwich panel pada beban desain dengan menggunakan pendekatan elemen hingga dilakukan untuk memilih bahan core terbaik yang dikembangkan dalam penelitian ini. Hasil penelitian menunjukkan bahwa material sandwich panel yang terbuat dari bahan inti dengan kandungan talak 40 persen lebih baik dari komposisi yang lain. Selain itu, penggunaan sandwich panel mampu menghasilkan perubahan berat konstruksi sebesar 10,73 persen
TWITTER BUZZER DETECTION SYSTEM USING TWEET SIMILARITY FEATURE AND SUPPORT VECTOR MACHINE Ahmad Mustofa; Fitrah Maharani Humaira; Myrna Ermawati; Peni Sriwahyu Natasari; Akhmad Arif Kurdianto; Aries Alfian Prasetyo; A Labib Fardany Faisal
NJCA (Nusantara Journal of Computers and Its Applications) Vol 8, No 1 (2023): June 2023
Publisher : Computer Society of Nahdlatul Ulama (CSNU) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36564/njca.v8i1.306

Abstract

Over the past few years, people have been able to get and share information through social media easily. Some of that information can be a false issue created by a buzzer account that intends to influence people into a specific opinion. Politicians often use social media to maintain a good image in society by utilizing buzzer accounts. The main characteristic of a buzzer account is that they upload the same content repeatedly within a certain period. Before analyzing data taken from social media such as Twitter, we need a buzzer detection system to filter data from buzzer users.  This research attempts to build a buzzer detection system using text processing and classification method. We use the similarity of tweets as a feature for the buzzer detection system by applying Cosine Similarity to the Term Frequency - Inverse Document Frequency (TF-IDF) feature of the tweets. In addition, we will use other features such as the number of followers, number of followings, the intensity of tweets, the ratio of retweets, and the ratio of tweets that contain links as additional features in this study. This research uses these features as inputs to the Support Vector Machine model to determine whether an account is a buzzer or not. This system has promising results by having 89% accuracy, 86.67% precision, 70.91 % recall, and 78% F1-score.
"AKSI GERCEPS" training program to support nutritional knowledge of adolescent integrated health centre cadres in Sampang Regency Nuraini Fauziah; Kristian Triatmaja Raharja; Nindi Pramesthi Vardila Putri; Nadia Dian Rosanti; Renidya Asyura Muttabi' Deya Fa'ni; Cucun Setya Ferdina; Honesty Pujiyani; Abdan Syakura; Ahmad Mustofa
Jurnal SAGO Gizi dan Kesehatan Vol 5, No 3A (2024): Agustus
Publisher : Poltekkes Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/gikes.v5i3A.1732

Abstract

Background: After the covid-19 pandemic, adolescent Integrated Health Centre (IHC) activities in Sampang Regency decreased drastically, both in quantity and quality. Factors related to this problem are the lack of adolescent participation, accompanied by the lack of ability of adolescent IHC cadres to perform their duties. Adolescent IHC is preventive efforts to prevent incidents of stunting.Objective: The study aimed to measure the effect of "AKSI GERCEPS" training on nutrition knowledge among adolescent IHC cadres in Sampang Regency.Methods: : Study quasi-experimental use one-group pretest-posttest design. The research was conducted in Sampang Regency in December 2023. The sample consisted of 72 people, selected using a purposive sampling method representing 12 locus villages stunting. The research variable is the effect of "AKSI GERCEPS" training on increasing the nutritional knowledge of adolescent IHC cadres. Data analysis used the T-test.  Results: Mean scores before and after training were significantly different (p=0,000). At the end of the training, the participants' average score increased to 6,58, whereas before the training  was 2,55. The knowledge of adolescent cadres who had previously received nutrition education was also significantly different from that of those who had never received nutrition education (p=0,000). After the training, cadres who had received nutrition education had an average score of 1,78 higher.Conclusion: Cadres knowledge of nutrition increased after the training. Nutrition training for adolescents needs to be carried out continuously, to be able to provide optimal service.