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All Journal Jurnal Pangan dan Agroindustri Math Educa Journal Jurnal Optimalisasi J-Kesmas: Jurnal Kesehatan Masyarakat (Indonesian Journal of Public Health) Journal of Nutrition Science Jurnal Teknologi Pengolahan Pertanian
Rahma, Cukri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Control & Systems Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mathematics Medicine & Pharmacology Nursing Public Health Veterinary

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ANALISIS KENDALA SISTEM BELAJAR DARING TERHADAP PEMBELAJARAN MATEMATIKA DI KAMPUS Niani, Cukri Rahmi; Rahma, Cukri
Math Educa Journal Vol 4, No 2 (2020)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v4i2.1730

Abstract

Wabah Covid-19 yang telah menyebar hampir ke seluruh wilayah Indonesia memaksa kita untuk melakukan segala akitivitas dari rumah termasuk kegiatan belajar mengajar di sekolah atau kampus. Pemerintah telah menetapkan bahwa proses belajar mengajar harus dilakukan dari rumah (daring) selama masa pandemi covid-19. Selama proses pembelajaran daring dilaksanakan, banyak kendala yang dihadapi baik dari pihak dosen maupun mahasiswa. Penelitian ini dilakukan untuk mengetahui kendala sistem belajar daring yang mempengaruhi proses pembelajaran matematika pada mahasiswa. Kendala yang dilihat meliputi kendala kuota internet, kendala keluarga, kendala jaringan, kendala fasilitas Hp/Lattop dan kendala materi pembelajaran.Teknik pengumpulan data menggunakan data primer berupa kuesioner. Pemecahan masalah menggunakan teknik analisis regresi linier berganda. Berdasarkan hasil penelitian diperoleh model regresinya . Dapat disimpulkan bahwa kendala kuota internet (x2)  mempeunyai hubungan sebesar 24%  dengan pembelajaran matematika, selanjutnya keluarga (x3) memiliki hubungan 23%, jaringan internet (x1) sebesar 19%, fasilitas Hp/Lattop (x5)  14% dan meteri pembelajaran (x4) sebesar 8%.
Penggunaan Tawas (Al2(SO4)3) dalam Menurunkan Kadar Total Suspended Solid Air Limbah Batubara Rahma, Cukri; Niani, Cukri Rahmi
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2562

Abstract

Wastewater is one of the byproducts produced by coal mining companies. The wastewater contains suspended particles as well as heavy metals. Various attempts have been made to treat wastewater before it is discharged into the environment. This is done so that the waste water does not damage the environment. One way to do this is to settle suspended particles in wastewater or what is known as TSS (Total Suspended solite) using the coagulation-flocculation method. The coagulant used in this study is alum Al2 (SO4) 3. This research was conducted to determine the optimum dose or level of addition of alum into wastewater. The addition of alum is carried out in different doses, this is adjusted to the volume and discharge of waste water that is flowed to the WMP (Water Monitoring Point). The optimum dose of adding or using alum Al2 (SO4) 3 into WPM is 0.03 g / L for WMP 11, and 0.05 g/L for WMP 13.
Analisis Kebutuhan Jumlah Tenaga Kerja Optimal Berdasarkan Penilaian Beban Kerja Fisik Menggunakan Cardiovascular Load dan Stopwatch Time Study (Studi Kasus UD. Batu Alam Kabupaten Aceh Barat) Sofiyanurriyanti, Sofiyanurriyanti; Rahma, Cukri; Pandria, T. M Azis; Hardianto, Hardianto
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.3554

Abstract

This study aims to identify complaints of musculoskletal disorders experienced by operators due to load imbalance received by workers using the Standard Nordic Quistionaire, determine the workload received by workers based on the cardiovascular load method in the paving block manufacturing process and determine the optimal number of workers. according to company needs. about making paving blocks. Based on the results of the SNQ questionnaire distribution, the highest complaints occurred at the work station mixing cement with sand in making paving blocks and at the station for lifting raw materials to the tub for the paving block molding process with a percentage of 80.36 categorized as quite heavy, the second highest percentage was at the transfer station for paving blocks. which is printed to the drying place and moving the paving block to the soaking place with a percentage of 79.46% is categorized as quite heavy and the smallest percentage is at the paving block printing workstation with a percentage of 57.14% categorized as heavy, to overcome this it is recommended to increase the number of workers for the workload and complaints experienced by operators related to the risk of spinal cord injury (musculoskeletal) due to multiple work (Multi Tacking). Workload received by workers based on the cardiovascular load method in the process of making paving blocks with a workload value of 38.92%, the second highest workload with a load value of 34.68% and the third highest workload, namely the Nizam operator with a workload value of 31.60 so that the number The proposed workforce must optimally be employed in accordance with the company's needs in making paving blocks, namely 2 workers with the previous number of workers being 3 workers where the workers also work concurrently in carrying out their work activities.
OPTIMALISASI PELAYANAN UNIT BPJS RSUD MELALUI PERHITUNGAN WAKTU SIKLUS OPERATOR PELAYANAN SEP Cukri Rahma; Angga Ariska; Villa Afriasari
Jurnal Optimalisasi Vol 4, No 1 (2018): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v4i1.1278

Abstract

Now, industry that is engaged in services has increased, this requires the procurement of services must be able to provide optimal service. The business is needed for the company to remain competitive in other service industries. One of the main factors that greatly influences how services are provided. The quality of production is very dependent on the efficient use of time. Measurement of work time can be seen from the production and operating activities in the company whether efficient or not. The more effective and efficient the employee completes a work cycle, the more productive and the resulting output will be as high. Cut Nyak Dhien Regional Hospital is a company engaged in the field of health supply. Cutnyak Dhien Regional Hospital has one service unit, one of which is the Health BPJS unit, where the SEP card (patient eligibility letter) is prepared in this unit. This SEP will be brought to certain poly-poly. The problem found was that operators had to complete SEP for almost an average of five hundred patients per day. Therefore it is necessary to calculate the work time needed to complete the SEP. One way to measure how much work time is needed by an operator in making an SEP is to calculate the cycle time of the SEP manufacturing process. Cycle time is one way to find out the operator's working time in the technique of measuring work time. Measurements were made directly using stop-hours. The measurement was repeated three times with 10 observations for each operator. The measurement results show that the operator can complete SEP within the normal timeframe of around 50 to 70 seconds per patient.
SINTESIS DAN KARAKTERISASI MATERIAL FOTOKATALIS Na2Ti6O13 MENGGUNAKAN METODE HIDROTERMAL Cukri Rahma
Jurnal Optimalisasi Vol 3, No 4 (2017): Jurnal Optimalisasi
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (514.209 KB) | DOI: 10.35308/jopt.v3i4.263

Abstract

hydrotermal method. Hydrotermal method is environmentally frendly way. This matter becaused hydrothermal method is using materials that are safe for life. Sodium hexa titanate is a semiconductor matterial that is widely used in various fields, such as is used as a photocatalyst material. From the characterization results, Na2Ti6O13 with size of 48.44 nm, and energy gap of 3.40 eV has been prepared. Na2Ti6O13 has a monoclinic crystal system with lattice parameters of a = 15.210 Å, b = 3.744 Å, c = 9.165 Å, and β = 99.050o. Photocatalyst activity was tested under UV light irradiation for 3 hours. Degradation of methylene blue (MB) by Na2Ti6O13 is found to be at 51%.Keywords: Photocatalyst, Na2Ti6O13, Degradation methylene blue
Studi Literatur; Analisis Kadar Logam Berat Pada Susu Kental Manis Kemasan Kaleng Cukri Rahma; Itza mulyani; Safrida S
Jurnal Teknologi Pengolahan Pertanian Vol 3, No 2 (2021): Jurnal Teknologi Pengolahan Pertanian
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Research has been carried out on the analysis of heavy metal content in canned sweetened condensed milk. This research aims to determine whether the levels of heavy metals in canned sweetened condensed milk have met the heavy metal quality standards set by BPOM regulations No.23:2017 and SNI-7387:2009. This study uses a literature review method with data collection and screening that has inclusion and exclusion criteria. The results obtained were the levels of heavy metals identified in canned sweetened condensed milk of 76.19% from 21 samples which included Pb 66.66%, Sn metal 33.33% and cadmium metal 19.04%. From the identified data, 85.71% Pb metal and 14.28% Sn metal did not meet the quality standards set by BPOM No.23:2017 and SNI-7387:2009.
Effects of Steaming on the Functional Properties and Mineral Content of Lumi-Lumi Fish (Harpodon Nehereus) Meal Safrida Safrida; Cukri Rahma; Onetusfifsi Putra; Rinawati Rinawati; Winda Nurtiana; Yeni Kurniati
J-Kesmas: Jurnal Fakultas Kesehatan Masyarakat (The Indonesian Journal of Public Health) Vol 10, No 1 (2023): April 2023
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/j-kesmas.v10i1.7462

Abstract

The purpose of this study is to evaluate the mineral content, phenolic content, antioxidant activity, and soluble protein of Lumi-lumi fish meal (Harpodon nehereus) treated with and non-steamed for 30 min. The results revealed that iron (Fe) mineral content was significantly higher in the steamed than non-steamed treatment but not in calcium (Ca). However, there was a decrease in the minerals magnesium (Mg), phosphorus (P), and zinc (Zn) during the steamed process, which was not significant. Then, during steamed, there was a significant decrease in antioxidant activity but not in total soluble protein, whereas phenolic content increased. Based on the findings of this study, Lumi-lumi fish (Harpodon nehereus) meal steamed treatment could be the best treatment because it contained the best phenolic and Fe and Ca minerals.
Relationship of Household Income, Age During Pregnancy and Low Birth Weight (LBW) Teuku Muliadi; Marniati Marniati; Cukri Rahma; Sufyan Anwar; Fikri Faidul Jihad; Laila Apriani Hasanah Harahap; Hanif Muchdatul Ayunda
Journal of Nutrition Science Vol 4, No 1 (2023): May, 2023
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jns.v4i1.7401

Abstract

Low birth weight (LBW) is still a major problem in developing countries including Indonesia. The prevalence of LBW tends to decrease from 2013-2018, from 8.6% to 6.51%. Therefore, it is necessary to analyze the relationship between maternal age at pregnancy and household income with the incidence of low birth weight. The type of the study was analytic observational with quantitative method. The population in this study were all mothers who had children aged 6-24 months who resided in West Aceh District and met the inclusion and exclusion criteria by means of simple random sampling. The dependent variable of this study was LB W while the independent variables were maternal age during pregnancy and family income. The risk tendency for each variable was seen using the OR (odds ratio) value which used a Confidence Interval of 95%. The results showed that there was a significant relationship (p=0.049) between the two variables. The amount of household income influences the quality of the mother's health and nutrition intake during pregnancy impacts the weight and health of the child born.
QUALITATIVE IDENTIFICATION OF BORAX CONTENT IN MEATBALL SNACKS USING TURMERIC PAPER AND SHALLOT EXTRACT Cukri Rahma; Yusi Hidjrawan
Jurnal Pangan dan Agroindustri Vol. 9 No. 1: January 2021
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2021.009.01.6

Abstract

Borax as a food additive chemical is very dangerous. Borax is prohibited from being used in food because it can cause various diseases such as cancer, kidney damage, and even death. This study aims to identify the borax content in the meatballs sold in Meulaboh City. The study design uses purposive sampling with a total of 20 meatball samples from each seller collected and continued by a qualitative test using turmeric paper and shallot extract. The study results show that all samples tested were free of borax. This can be seen from the absence of changes in turmeric paper and shallot extract. Therefore, it can be concluded that the meatballs sold in Meulaboh do not contain borax and are safe to consume.
Co-Authors Angga Ariska Anwar, Sufyan Ayunda, Hanif Muchdatul Fikri Faidul Jihad Itza Mulyani Laila Apriani Hasanah Harahap Marniati Marniati Muliadi, Teuku Niani, Cukri Rahmi Onetusfifsi Putra Rinawati Rinawati Safrida S Safrida Safrida SATRIYAS ILYAS Sofiyanurriyanti T. M. Azis Pandria Villa Afriasari Winda Nurtiana Yeni Kurniati Yusi Hidjrawan