Judul: Analisis Peningkatan Kualitas pada Rantai Pasok Buah Pepaya Calina
Abstrak: Post-harvest handling of local fruits especially in Calina papaya supply chain (IPB 9) has problems that can affect the value of the quality appearance so it needs quality improvement. The purposes of this research are (1) Identifying the key attributes of Calina papaya quality improvement based on desires of consumer and to know the level of customer satisfaction using Quality Function Deployment, (2) Analyzing the cause of quality problems Calina papaya, and (3) Analyzing strategies or ways on improving the quality of Calina papaya in Indonesia. The result in this research that there are three main attributes of customer satisfaction are the sweet taste, color of fruit meat, and texture of fruit meat. Supply chain activities that have the highest interests of rate based on analysis of QFD are the maintenance (value 521) of cultivation. There are two attributes that had mismatches of quality, which are bruise and pests-diseases. The causes are materials, management, labor, environment, machine and method. The highest priority that can be chosen as the alternative strategy is increasing production capacity, product quality, and food safety assurance by expanding the distribution network with score 6,290
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Judul: Analisis Nilai Tambah dan Penentuan Metrik Pengukuran Kinerja Rantai Pasok Pepaya Calina (Studi Kasus : PT. Sewu Segar Nusantara)
Abstrak: Calina papaya or better known as California papaya has advantages such as thicker papaya flesh, smoother skin, and sweeter taste. However, along the entire supply chain, Calina Papaya suffered 20% damage as a result of errors during the process of delivery and distribution. Therefore it needs supply chain management to improve value-added and performance of supply chain, so it requires measurement and determination of the value-added supply chain performance measurement metrics Calina papaya. The purpose of this study was to analyze the condition of the supply chain approach papaya Calina with Asian Productivity Organization (APO), analyzing the value-added generated by each member of the Calina papaya supply chain, and designing metrics measure the performance of supply chain members. Hayami method and Analytic Network Process (ANP) is a method used to calculate value-added design and determine supply chain performance measurement metrics Calina papaya. Value of the benefits achieved by farmers is 57,74%. While some companies get more value for Sunpride 50,7% and 55.56% for Sunfresh. As for retail and traditional markets, the value of the benefits is 36% and 16,56%. In determining metrics of supply chain performance measurement using ANP quality (0,274) is considered the most influential indicator by experts to determine sustainable supply chain. This is due to ability of quality to set the price, delivering satisfaction to consumers and creating long-term customer loyalty. Therefore no wonder, if the farmer became the most influential party in the supply chain (0.287) because it is the major determinant of the quality and quantity of products papaya Calina in the overall supply chain leading to future economic benefits supply chain.
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Judul: Solusi Geometri Schwarzschild untuk Dimensi 4+1 dengan Invarian Rotasi Isotropik.
Abstrak: Metrik Schwarzschild merupakan solusi eksak pertama dari persamaan medan Einstein dengan mangasumsikan metrik statik dan simetris. Metrik Schwarzschild yang ditemukan oleh Karl Schwarzschild masih dalam dimensi 3+1, namun seiring dengan teori-teori terbaru yang menunjukkan bahwa alam semesta tidak hanya di dimensi 3+1. Maka melalui penambahan dimensi, tujuan penelitian ini memperoleh solusi pada geometri Schwarzschild untuk dimensi 4+1 dengan memodifikasi koordinat bola yang invarian rotasi isotropik dan melalui penurunan rumus seperti koordinat bola, simbol Christoffel, dan tensor Ricci. Selain mendapatkan solusi ini, metrik Schwarzschild dimensi 4+1 dapat digunakan sebagai metrik dasar untuk memperoleh solusi blackhole dan wormhole pada dimensi 4+1. Hasil akhirnya, dengan memanfaatkan modifikasi koordinat bola, metrik Schwarzschild dapat dibentuk sehingga diperoleh solusi geometri Schwarzschild untuk dimensi 4+1.
Keyword: metrik Schwarzschild, persamaan medan Einstein, modifikasi koordinat bola, penambahan dimensi, invarian rotasi isotropik