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Nusantara Science and Technology Proceedings
Published by Future Science
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Articles 1,542 Documents
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The Impact of Nurses' Fear of Covid-19 on Work Stress, Intention to Leave and Job Satisfaction with the Moderating Role of Supervisor Support Fety Landari; Salamah Wahyuni
Nusantara Science and Technology Proceedings Multi-Conference Proceeding Series C
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2611

Abstract

The Covid-19 pandemic is an unprecedented test for the healthcare system. They experience great pressure while treating patients infected with Covid-19, which will affect the quality of health services for patients. This study aims to assess the impact of nurses' fear of Covid-19 on work stress, intention to leave the organization and profession, and job satisfaction, moderated by supervisor support. The study was conducted with a cross-sectional approach and using a simple random sampling method in taking a sample of 222 nurses. Method of data analysis using multiple linear regression test. The results showed that the variable fear of Covid-19 affected work stress, intention to leave the organization and profession, and job satisfaction. The supervisor support variable as a moderator affected the relationship between the fear of Covid-19 variable with job stress and job satisfaction but did not affect the relationship between fear of Covid-19 and the intention to leave the organization and profession.
The Stereotypical Women and Empowered Women Narration in the Novel Bidadari Bermata Bening Dian Rizky Azhari; M. Yoesoef; Turita Indah Setyani
Nusantara Science and Technology Proceedings Multi-Conference Proceeding Series C
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2612

Abstract

A cursory reading of the novel Bidadari Bermata Bening will give the impression that this novel voices the idea of empowered women. However, it turns out that there is also a strong narrative of stereotypical women in the text. Based on the explanation, this study aims to reveal why there are two such contradictory narratives in one text. This study uses an analysis of the narrative elements of the text based on Gerard Genette's theory, assisted by the theory of the power of discourse from Michel Foucault. The text is explored intrinsically, through analysis of characterizations, narrator's voice, and character’s focalization. Then by using discourse analysis, the text is analyzed to find out which discourses play in it and build ideological ideas. Based on the results of the analysis, it appears that the narrative of empowered women emerges through an omniscient narrator and is assisted by voices (focalization) from subordinate characters. Meanwhile, the narrative of stereotypical women emerges from the subjectivity of the women main character. Behind the contradictions of the two narratives, it appears that the discourse of Islamic values actually dominates the construction of ideas, both narratives of empowered women and stereotypical women. The text legitimizes both narratives by using religious arguments, in this case Islam. This can be interpreted as a text effort in propagating the discourse of Islamic women.
Phenological Characteristics, Distinctness, Uniformity, and Morphological Stability of Potential Genotypes of Upland Rice Lailatul Badriyah; Dewi Nawank Sary; Thoriq Ahmad Syauqy; Ricoh Darisman Sihombing; Eries Dyah Mustikarini; Gigih Ibnu Prayoga; Ratna Santi; Budi Waluyo
Nusantara Science and Technology Proceedings Multi-Conference Proceeding Series C
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2613

Abstract

Every cultivar has characteristics that distinguish it from another cultivar. As opposed to within the cultivar it is required to be uniform and not indicate variations due to segregation. Knowledge of the characteristics of local rice and high-yielding cultivar will be more advantageous if it is supported by knowledge of the morphological changes of plant parts at each stage of growth. This study was conducted to determine the distinctness, uniformity, and stability of 10 potential upland rice genotypes and obtain information about growth stages based on phenology. The research was conducted based on an experimental study using a randomized block design with three replications. Observation of rice genotype characteristics was carried out based on the phenological measurement guide from the Biologische Bundesanstalt, bundessortenamt und CHemische Industrie (BBCH) for rice, and the DUS characterization guide from UPOV. The results showed that the growth stages of 10 rice genotypes consisted of 10 primary growth phases and there are variations in phenological phases in each genotype. Morphological characterization showed that 10 genotypes had a uniform and stable morphology and were grouped into 2 clusters. Cluster 1 consisting of G1, G2, G3, G4, G5, G8, and G10. Cluster 2 consists of G6, G7, and G9. The phenology of rice and morphological differences indicate variations in the genetic potential that each genotype possesses. The timing of morphological and agronomic observations of rice can be determined using the information on plant phenology.
Daily Performance Profile Comparison Test of Monocrystalline and Poly-Crystalline Solar Panels Primasari Cahya Wardhani; Nur Aini Fauziyah; Aulia Dewi Fatikasari; Bagas Aryaseta; Achmad Dzulfiqar Alfiansyah
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2721

Abstract

The use of electrical energy for each region is increasing every year, along with the community’s increasing needs. Surabaya, a metropolis in Indonesia, is listed as the third-largest user of electrical energy in Indonesia. The community has widely used solar panels as new renewable energy, such as in the construction of traffic lights, street lighting, and several households. This study aims to determine the daily performance profile of the daily value of voltage, current, and energy stored from solar panels with different types of solar panels, namely, using polycrystalline and monocrystalline solar panels mounted on the roof of the house. Data retrieval was carried out with an interval of data collection every hour when the sun is high enough until the afternoon (06:00 WIB – 18:00 WIB). The results showed that the average voltage value for monocrystalline solar panels was 21.09 V and polycrystalline solar panels were 19.32 V. In addition, the output current values for monocrystalline and polycrystalline solar panels were 0.903 A and 0.27 A. Meanwhile, the monocrystalline output power value was 19.72 W and polycrystalline 5.43 W. Based on the research data, it can be concluded that the energy stored in the battery and the efficiency value for each monocrystalline solar panel produces a higher output value than that produced by polycrystalline solar panels, 12,98%, and 4.04%. However, polycrystalline solar panels that produce a lower and stable electric current can extend the lifetime of the battery where the electric charge is stored from the solar panel.
Rajungan Shell (Portunus pelagicus) as Antitoxic Mask Coated with Chitosan Polymer Medium (CPM) For Nicotine Reduction Using Spray Coating Method Santika Octaviana Putri Br. Purba; Hafidya Norista Pramesti; Nizar Muflih Nuruddin; Nur Laili Alfiatin Mukharomah; Achmad Gufron; Yayok Suryo Purnomo
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2722

Abstract

Exposure to cigarette smoke in passive smokers has a bad impact because the substances inhaled are 4-6 times greater than the levels inhaled by active smokers. Nicotine is a dangerous substance in cigarettes that can cause respiratory disease. Crab shell waste in Indonesia is very abundant and has a chitin content of 50%-60%. Thus, the purpose of this study was to determine the effectiveness of Rajungan Shell (Portunus pelagicus) as an antitoxic mask coated with Chitosan Polymer Medium (CPM) for nicotine reduction using the spray coating method. Variations in CPM variables were concentrations of 10,000 ppm, 20,000 ppm, 30,000 ppm, 40,000 ppm, and 50,000 ppm with a total of 3 sprays, 5 sprays, and 7 sprays. The results obtained were the degree of deacetylation 69.45%, percent nicotine removal 80.73%, and adsorption capacity of 4,9993 mg/g.
Application of Biotechnology in the Production of Derivatives of Dairy Products: A Review Rahmawati Rahmawati; Larestananda Asmaul Husna Hizaumi Putri; Lutfiah Ayu Khoirunisa; Milenia Fitria Cholifah
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2723

Abstract

The increasing population has led the food industry to be more adaptable in their business, especially in production aspects. This is due to the need for improving the quantity and quality aspects of end products, including dairy food products. To meet consumer expectations the food industries are urged to produce and/or modify the methods of production to ensure the quality of the food and production cost. This review focuses on the application of biotechnological aspects during the production of cheese, kefir, and yogurt, to obtain certain characteristics, especially its sensory attributes such as color, texture, taste, and odor.
Wastewater Treatment of Shrimp Crackers Industry Using Aerobic Biological by Contact-Stabilization Technology Ketut Sumada; Cindy Saskia Damayanti; Tiur Lina
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2724

Abstract

Wastewater from the shrimp cracker industry is produced from the cracker production process from the steam room, washing of raw materials, equipment, production process facilities, and from the steam supply unit that uses coal as an energy source so that it is appropriate for the industry to manage its waste products according to to waste treatment rules in an integrated, efficient, and effective manner. Wastewater of the shrimp cracker industry contains various types of pollutants with levels of Chemical Oxygen Demand (COD) ranging from 916,1 mg/L and Biological Oxygen Demand (BOD) ranging from 431,9 mg/L with a degree of acidity (pH) = 6,0 ±0,4. Increasing the quality of wastewater and decreasing Chemical Oxygen Demand (COD) or Biological Oxygen Demand (BOD) can be done by controlling the F/M ratio which is not yet optimal so that it can be seen the effect of flow rate and the number of microbes on the quality of wastewater from the shrimp cracker industry. Based on the research that has been done, the best results are obtained at a flow rate of 20000 L/day with a significant decrease in BOD and COD, respectively 95,675% and 95,5325%. The quality of the wastewater produced after treatment has a BOD in the amount of 7,928 mg/L and COD in the amount of 16,8 mg/L and this is smaller than the wastewater quality standard BOD in the amount of 50 mg/L and COD in the amount of 120 mg/L.
Single Reinforced Concrete Design of Simple Beam with Simple Formulation Method Nia Dwi Puspitasari; Achmad Dzulfiqar Alfiansyah
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2725

Abstract

A quick and practical method of designing a single-layer reinforced concrete beam will be analyzed. This article provides a new simple formulation to design simple beam-reinforced concrete. The dimension and reinforcement ratio can be generated by using the formulation. The variables that must be known at using the formulation are the concrete strength (f`c), the ultimate uniform load (qu), the yield strength of steel (fy), and the span length of the simple beam (L). There are two main parameters obtained from the formulation including the cross-sectional dimensions (W and H) and reinforcement ratios (?). Moreover, the required diameter and amount of steel reinforcement can be converted from the result. The beam dimensions and reinforcement ratio results obtained from this design method are verified by mathematical calculations based on the SNI 03-2847-2019. Designing a single-layer reinforced concrete beam using the simple formulation method provides high precision.
Supply Chain Performance Measurement in a Refractory Brick Industry Dira Ernawati; Sinta Dewi; Ni Ketut Sari
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2726

Abstract

Every company needs to optimize and improve its performance. Performance improvement strategies cannot be well formulated if there has never been a performance measurement itself before. Determining the overall condition of the company can be done by assessing the performance of the entire lines of the supply chain. The SCOR model is considered appropriate for complex supply chain activities because it has a measurement process of plan, source, make, deliver, and return. The scale for each process in the supply chain is different, so the Snorm De Boer normalization technique is applied to equalize the assessment units for each criterion. Based on the performance indicator (PI) calculation, six PIs scores are below the average performance. Those six Pis are raw material planning, production planning, planning cycle time, yield, product defect from production, and the number of equipment maintenance. The six PIs are assessment indicators for the planning process and production process, so an improvement of the management system for both activities is essential to be carried out immediately to improve overall supply chain performance.
Inventory Control of Lubricating Oil Raw Materials with Silver Meal Heuristic Method at PT. Alp Petro Industri - Pasuruan Enny Aryanny; Dwi Prasetyo; Rizqi Novita Sari
Nusantara Science and Technology Proceedings 3rd International Conference Eco-Innovation in Science, Engineering, and Technology
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2022.2727

Abstract

Alp Petro Industri is a company engaged in the lubricating oil industry. The raw materials needed are Feed Stock, Base Oil, and Additives. PT. ALP Petro Industri experienced problems in its inventory, which sometimes experienced excess inventory which resulted in high storage costs, and sometimes experienced a shortage of raw materials which resulted in the cessation of the production process so that the company could not fulfill the products desired by consumers. This study aims to determine the level of inventory control of lubricating oil raw materials at PT. Alp Petro Industri Pasuruan optimally to minimize inventory costs. The existing data in the company has the characteristics of varying demand levels, so it is processed with a dynamic deterministic inventory control model, namely the Heuristic Silver Meal method. From the calculation of the total cost of inventory with the company's method of IDR. 50,722,980,000 while the Heuristic Silver Meal method is IDR. 50,536,660,000. The Heuristic Silver Meal method produces a total cost of inventory that is cheaper than the company's method of IDR. 50,722,980,000 with a savings of IDR. 186.320.000. The optimal number of orders for raw materials for Feed Stock raw materials is 348,697 kg per month, Base Oil raw materials are 408,733 kg per month, and Additives raw materials are 141,783 kg per month.

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