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Sekretariat UMY Grace Gedung AR B Lantai 4 Kampus Terpadu Universitas Muhammadiyah Yogyakarta Geblagan, Tamantirto, Kec. Kasihan, Bantul, Daerah Istimewa Yogyakarta 55184
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Universitas Muhammadiyah Yogyakarta Undergraduate Conference Proceeding
Published by Universitas Muhammadiyah Yogyakarta
ISSN : -     EISSN : -     DOI : -
Core Subject : Economy, Health, Education, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Public Health Social Sciences
In the rapid progress of the world today, the contribution and role of the younger generation becomes a obligation to be present in every problem in the world. To deal with various problems, The Sustainable Development Goals (SDGs) are presented as a common goal for a better world to maintain the sustainability of nature and social life by promoting sustainable development. The 1st University of Muhammadiyah Yogyakarta Undergraduate Conference (UMYGRACE) presented to accommodate a variety of contributions to ideas and ideas that are solutive from the younger generation to contribute to the joint effort to achieve the goals of the SDGs. Scope of the Journal; Business Accounting and Management Health and Nursing Social Humanities, Religious Studies and Law Engineering and Technology
Arjuna Subject : Umum - Umum
Articles 17 Documents
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Search results for , issue "Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare" : 17 Documents clear
The Potential of Red Watermelon Extract as Teeth Whitening Toothpaste Marahaini, Nur Azizah; Arumnada, Ghania; Masyithoh, Dini Amalia Dewi; Setyawati, Any
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Introduction – The teeth are composed of enamel, dentine, pulp, and cementum. The enamel of the tooth contains hydroxyapatite crystals [Ca10(PO4)6(OH)2] which are small in size and allow for the transfer of ions in chromogen substances causing discoloration of the teeth. Tooth discoloration will eliminate the aesthetic value of the individual's appearance. The use of chemicals and abrasive materials contained in conventional toothpaste in whitening teeth can cause side effects in the form of irritation of the oral mucosal tissue and abrasion of the surface of the teeth, so a safe natural treatment is required. Malic acid in red watermelon (Citrullus lanatus) is a powerful oxidizer that can be used to whiten teeth. Methodology/Approach – Data source search is done using the Google Scholar, Pubmed, and Science Direct search engine with Medical Subject Headings and selected for publication in the past five years. Findings – The principle of dental whitening is oxidation reaction between whitening agent and chromogenic factor, regardless red watermelon has a malic acid as a powerful oxidizer and can be used to whiten teeth. Implication – Home and office dental whitening with carbamide or hydrogen peroxide can cause dental sensitivity. There is a new bleaching proposal without the use of chemical ingredients, thus reducing post-treatment sensitivity. Red watermelon has such a whitening toothpaste with natural ingredients.
RESISTANCE EXERCISE TO IMPROVE IMMUNE OF ELDERLY IN NEWNORMAL ERA: REVIEW LITERATURE Cahyaningsih, Andika Nur; Widyastuti, Zulanda Indah; Febrianti, Lusi; Ramadhani, Alinda Nur
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Introduction – The high rate of transmission of Covid-19 in Indonesia has brought enormous changes to society, especially with the applied of new normal regulation. New normal regulation requires the public to continue carrying out their usual activities by implementing health protocols. The elderly are a population with high risk of covid-19 transmission. Various efforts can be made to maintain the immune system in the new normal era, one of them is by doing exercise. One of the exercises that can be done by the elderly is resistance exercise. Purpose – The purpose of this study was to identify the effect of resistance exercise to increase immunity in the elderly based on evidence based. Methodology/Approach – This study is a literature study that summarizes some relevant literature on the same theme. Literature search using 3 databases: Pubmed, Pedro and BMC Central. Key words used in the literature search included: "immune system", "resistance exercise" and "elderly". Findings – Based on the results of the literature review, it was found that resistance exercise can increase immunity in the elderly. The form of resistance exercise are: horizontal leg press, knee extension, knee flexion, horizontal supine, triceps extension pulley, biceps curl, sitting row, plantar flexion, shoulder press, hip flexion-extension. Originality/ Value/ Implication – The elderly can perform resistance exercise regularly to increase immune system during new normal era.
Musical Instruments Recommendation System Using Collaborative Filtering and KNN Puspita, Alfriska Deviane; Permadi, Vynska Amalia; Anggani, Aliza Hanum; Christy, Edwina Ayu
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Introduction – The trend of e-commerce and online shopping has offered customers more product choices, but it also resulted in information overload. Nowadays, users are equipped with technology that allows websites to automatically deliver products that they may be interested in so that they can easily locate their favorite items from enormous options. To automate the recommendation process, recommender systems are created and built. This research creates a musical instrument recommendation system based on user reviews. Methodology/Approach – In this paper, we design and implement a recommendation system that combines the k-Nearest Neighbor (kNN) algorithm with a collaborative filtering framework. Collaborative filtering is chosen in this case because of its capability of providing new information to users by collecting information that has been obtained from the other users. Furthermore, kNN is considered as a suitable combination in this case since this method is relatively simple and able to find the similarity of objects being compared. Findings – To evaluate this study, the recommendation results are evaluated using the Root Mean Square Error (RMSE) calculation method, and the RMSE result obtained is 0.8734 for schema that divides dataset into 70% data train and 30% dataset using KNNWith Means with pearson measurements, and the MAE (Mean Absolute Error) result obtained is 0.5998 with schema 60% data train and 40% data test using KNNBasic algorithm with cosine similarity. Originality/ Value/ Implication – We present experimental results of consolidating the kNN algorithm in the collaborative filtering framework using Amazon’s musical instrument dataset. Furthermore, we can see that kNN together with a collaborative filtering algorithm performs a satisfactory outcome.
Evaluasi Sistem Manajemen Mutu Pekerjaan Pengaspalan Pada Proyek Jalan Kawasan PBPB Karimun Zulviandika, Fernanda; Soebandono, Bagus
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (653.558 KB) | DOI: 10.18196/umygrace.v1i2.275

Abstract

Penerapan sistem manajemen mutu terhadap pelaksanaan perkerasan jalan merupakan bagian terpenting yang memberikan pengaruh terhadap keberhasilan suatu proyek jalan. Penerapan standar mutu yang dapat dilakukan antara lain seperti memantau, mengawasi, dan menilai proses implementasi pekerjaan supaya hasil akhir dari pekerjaan tersebut sesuai dengan spesifikasi teknik pekerjaan terkait. Penelitian ini bertujuan untuk menilai penerapan sistem manajemen mutu pekerjaan pengaspalan pada Proyek Jalan Kawasan PBPB Karimun. Penilaian meliputi tahap persiapan, penggunaan bahan, alat yang digunakan, tahap pelaksanaan, dan pengendalian mutu yang mengacu pada Spesifikasi Umum Bina Marga 2018 Revisi 2. Penilaian tersebut mengacu pada SNI ISO 9001:2015 Sistem Manajemen Mutu pada Klausul 8.1 tentang Perencanaan dan Pengendalian Operasi dan Klausul 8.2 tentang Persyaratan Produk dan Jasa. Hasil penilaian menunjukkan sistem manajemen mutu yang diterapkan oleh penyedia jasa memperoleh nilai 9,066, dikategorikan sangat baik. Pengendalian mutu perkerasan jalan terhadap ketebalan dan kepadatan aspal sudah memenuhi persyaratan Spesifikasi Umum Bina Marga 2018 Revisi 2.
IT VALUE ESTIMATION USING PARTIAL ADJUSTMENT VALUATION WITH TOBIN’S Q DYNAMIC FACTOR Doloksaribu, Lastri M. A; Abdurrahman, Lukman; Fauzi, Rokhman
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

The rapid development of Information Technology (IT) directly and indirectly forces companies to adopt IT in the company's work processes/systems. These developments and being followed by the Covid 19 pandemic directly demanded almost all lines of life, especially in companies, to utilize IT to support the continuity of processes/performance systems in the company. IT is a system used by companies to optimize company performance. To find out, it is necessary to measure IT performance in work units that adopt IT, which is called IT Value. The value of IT is a quantitative measure of the use of IT in the company whether it provides positive or negative optimization for the company. The value of IT can be used as a measure of a company's value in the market after and before using IT. Measurement of IT Value can be done in various ways, in this journal research the estimation of IT Value uses Partial Adjustment assessment with two-factor model (primary data K, L, Tobin's Q) and three-factor model (with primary data K, L, I, Q Tobin). The estimation results of the two-factor model and the three-factor model will be compared to calculate the Performance Measure of IT Value in terms of Performance Ratio (PR) in ratio units and Performance Value (PV) in rupiah. The results of the value of IT PV and PR can be used by companies as evaluation and decision-making materials for optimizing the use of IT in the company for the present and the future.
IT VALUE ESTIMATION USING PARTIAL ADJUSTMENT VALUATION WITH MVA DYNAMIC FACTOR Nurhakim, Maiziah Azka; Abdurrahman, Lukman; Fauzi, Rokhman
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

This paper discusses the substance of the value of IT in an IT-based company, namely PT. Telkom Indonesia. IT value is a value in financial benefits when capital expenditures include IT factors compared with capital expenditures that do not include IT. Nowadays, IT has become a business enabler that can improve the performance of business organizations efficiently and effectively in the company. The method used in this study is Partial Adjustment Valuation (PAV), which states that changes in output that occur in the production process are usually not exactly the desired one, so a Speed of Adjustment coefficient is needed to bridge the desired output with the actual output. This paper uses Dynamic Speed of Adjustment to calculate the fluctuates in IT values and the Market Value Added (MVA) factor to measure its dynamics. This study uses two calculation models: a three-factor model (K, L, and I) and a two-factor model (K and L) to prove the benefits of the IT value within a company. These measurements are split into two units: the currency unit (Performance Value) and the ratio unit (Performance Ratio). This paper leads to an understanding that the value of IT is real in improving business performance and refutes the paradox that states there is no relationship between IT investment and the size of the profits received by the company. Thus, the results of this study are open to studies that discuss the value of IT to develop further.
The Effect of Frequency of Stem Wounds Towards The Growth and Yield of Cassava Renek Ma'rifah, Fitriatul; Astuti, Agung; Mulyono, Mulyono
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

This study was aimed to investigate the effect of the number and frequency of stem wounds towards the growth and yield of cassava Renek. This study was conducted experimentally in the preparation of a single factor RAKL (Complete Randomized Block Design) which consisted of 4 treatments, namely control treatment, frequency of wounding 1 time before planting, frequency of wounding 2 times before planting, and 1.5 BST. and frequency of wounding 3 times before planting cropping, 1.5 BST and 2.5 BST. Observation parameters include the number of mycorrhizal infections in cassava roots, number of spores, root length, root weight, root dry weight, root proliferation, plant height, shoot fresh weight, shoot dry weight, number of leaves, number of tuber plants, tuber length, tuber diameter, tuber weight per plant, and tuber yield. At the age of 5 months, the frequency of wounding 3 times of mycorrhizal cassava Renek only gave a significant difference in the parameters of root length, root weight, and root dry weight. The best number and frequency of wound treatment in 5-month-old mycorrhizal cassava was the frequency of 1 time before planting had a good effect on the parameters of tuber weight per plant (5.09 kg) and tuber yield (50.91 Ton / Ha).
DIFFERENCES IN THE NUMBER OF LEUKOCYTES WITH STRENUOUS PHYSICAL ACTIVITY AND WITHOUT PHYSICAL ACTIVITY Silviani, Ana; Kurniawan, Aziyo; Bastian, Bastian; Sari , Indah
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Introduction – Physical fitness is the body's ability to carry out physical activities, a person will get good fitness for physical sports activities.Physical fitness consists of several components, namely respiratory endurane carido,muscle endurance,muscle speed, and flexibility.Physical activity's movement.Muscles of the body and their support systems consisting of light,moderate, and strenuous physical activity.Strenuous physical activity will result in a lot of sweat with a counted heart rate>145 beats/minute.The effect of exercise on changes in immunity can be seen through changes in the number of leukocytes.. Purpose – This study to determine whether there are differences of leukocytes with heavy physical activity and without activity. Methodology – The type of research used comparative Cross-sectional at Hematology Laboratory of IKesT Muhammadiyah Palembang. Samples were taken from 30 respondents with the inclusion criteria.The results were processed using the Statistical Product and Service Solution (SPSS) program.Research data on differences of leucocytes with heavy physical activity and without activity by the dependent t test. Findings – The average number of leucocytes with heavy physical activity was 8.66 thousand/mm3,while the average without activity was 7.98 thousand/mm3.The results by dependent T Test show that the significant value’s p=0.000.The p value obtained is p<0.05,Can be concluded that there's an effect of leukocytes with strenuous physical activity and no activity. Based on the results of study can be concluded,there are differences of leukocytes with physical activity and without activity. Originality – This study used 30 blood samples to determine the difference of leukocytes with strenuous physical activity and without activity by Dependent T test
Mechanical Strength of Hybrid Laminate Composite Glass/Carbon Fibers on Savonius Blade Turbine Application Sukri, Niam; Yudhanto, Ferriawan; Shomad, Muhammad Abdus; Anugrah, Rinasa Agistya
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Introduction – VI (Vacuum Infusion) method. The HLC consist of 1 ply carbon woven roving carbon 4 plies glass fiber woven roving (WR-WR), and another variation is 1 ply carbon woven roving and 4 plies glass fiber chopped strand mat (WR-CSM). The different types of glass fiber on the carbon woven roving of HLC is objecting to this research. The manufacture of HLC by VI using 0.8 Bar pressure to flow the polyester resin. The panel HLC cutting according to the ASTM (American Standard Testing and Material) D3039 for tensile strength and ASTM D790 for the flexural test of HLC. The HLC mechanical strength depends on the excellent bonding in the interfacial laminate stress. The direction of WR-WR gives a good effect against tensile load, and the fracture after the test is minor multiple cracks (ductile) and lowest delamination fracture. The WR-WR has the highest tensile stress and modulus by 162.9 MPa and 5.2 GPa, respectively. The flexural test has been resulted in the highest modulus by 8.8 GPa. These mechanical characteristics according to applicated on Savonius Blade Turbine. Purpose – Knowing the mechanical strength of the Carbon/Glass-reinforced hybrid laminate composite, which is suitable for application to the savonius turbine blade Methodology/Approach – We are composing one carbon fiber and four glass fibers in a WR-CSM and WR-WR arrangement. The process of making hybrid laminate composite with the Vacuum Infusion method. Findings – The result of this research is to choose a fiber arrangement that has high mechanical strength and good bonding between fiber layers. Originality/ Value/ Implication – The composite manufacture with vacuum infusion process produces a thin product which light and strong properties.
Comparative Analysis Of The Feasibility Inpari IR Nutri Zinc Paddy Farming With Other Varieties In Nanggulan Sub-district Kulon Progo District Nafiatunnisa, Galuh; Satyarini, Triwara Buddhi; Rahayu, Lestari
Proceedings of Universitas Muhammadiyah Yogyakarta Graduate Conference Vol. 1 No. 2 (2022): Engaging Youth in Community Development to Strengthen Nation's Welfare
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

Inpari IR Nutri Zinc paddy is New Superior Variety (VUB) paddy which has a high potential content of Zn which can reach 34,51 ppm with an average of 29,54 ppm. This study aims to determine the average cost, revenue, income, and profit of Inpari IR Nutri Zinc, Ciherang, and Inpari 42 Paddy farming and to determine of comparison the average of feasibility of Inpari IR Nutri Zinc Paddy farming with Ciherang and Inpari 42 Paddy farming in Nanggulan Sub-district, Kulon Progo District. The basic method used is descriptive analysis. The sampling method is cluster sampling method with a non-proportional for determining the number of respondents in Jatisarono Village, Nanggulan Sub-district, Kulon Progo District with a total sample of 60 farmers. The average cost per 1.000 m2 of Inpari IR Nutri Zinc, Ciherang, and Inpari 42 Paddy farming in Nanggulan Sub-district respectively is IDR 2.001.362, IDR 1.937.718, and IDR 2.024.216. The average revenue per 1.000 m2 of Inpari IR Nutri Zinc, Ciherang, and Inpari 42 Paddy farming respectively is IDR 2.179.575, IDR 2.545.940, and IDR 2.551.111. The average income per 1.000 m2 of Inpari IR Nutri Zinc, Ciherang, and Inpari 42 Paddy farming respectively is IDR 817.141, IDR 1.171.901, and IDR 1.176.587. The average profit per 1.000 m2 of Inpari IR Nutri Zinc, Ciherang, and Inpari 42 Paddy farming respectively is IDR 178.213, IDR 608.222, and IDR 526.895. The average feasibility of Inpari IR Nutri Zinc Paddy farming in terms of R/C, land productivity, labor productivity, and capital productivity are still lower than the feasibility of Ciherang and Inpari 42 Paddy farming.

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