Determining manufacturing batch sizes for a lumpy delivery system with trend demand

Determining manufacturing batch sizes for a lumpy delivery system with trend demand http://repository.uhamka.ac.id/1623/ This paper considers a manufacturing system that procures raw materials and converts them to a finished product. The life cycle of the product usually has three distinct phases: increasing (inception), level (maturity) and declining (phasing out) demand. The finished products are supplied… Continue reading Determining manufacturing batch sizes for a lumpy delivery system with trend demand

Operations policy for a supply chain system with fixed-interval delivery and linear demand

Operations policy for a supply chain system with fixed-interval delivery and linear demand http://repository.uhamka.ac.id/1624/ This research addresses a production-supply problem for a supply-chain system with fixed-interval delivery. A strategy that determines the optimal batch sizes, cycle times, numbers of orders of raw materials, and production start times is prescribed to minimize the total costs for… Continue reading Operations policy for a supply chain system with fixed-interval delivery and linear demand

VARIATION CONCENTRATION OF CITRIC ACID AS ACID SOURCES ON THE PHYSICAL PROPERTIES OF THE PERICARP MANGOSTEEN (Garcinia mangostana L) EXTRACTS EFFERVESCENT TABLET

VARIATION CONCENTRATION OF CITRIC ACID AS ACID SOURCES ON THE PHYSICAL PROPERTIES OF THE PERICARP MANGOSTEEN (Garcinia mangostana L) EXTRACTS EFFERVESCENT TABLET http://repository.uhamka.ac.id/1657/ Aim: Citric acid is an acid source in effervescent tablet which reacts rapidly with solvent. It can increase dissolving time. In this research, extract was made into effervescent tablet. The research aimed… Continue reading VARIATION CONCENTRATION OF CITRIC ACID AS ACID
SOURCES ON THE PHYSICAL PROPERTIES OF THE PERICARP
MANGOSTEEN (Garcinia mangostana L) EXTRACTS EFFERVESCENT
TABLET