Gas motion within the cylinder is one of the major factors that control the combustion process in spark ignition engine. It also has significant impact on heat transfer. Both the bulk gas motion and the turbulence characteristics of the flow are important and governing the overall behavior of the flow. An arrangement for obtaining a stratified charge, using port injection, is proposed for a ...

We would like to express our deepest gratitude Wally Hopp, Mark Spearman, and the eight commentators—all luminaries in Lean—for their excellent Forum articles (Hopp & Spearman 2021, hereinafter, source “A”; Cusumano et al. “B”). These have stimulated thinking encouraged rich debate community. Over past 40 years, Lean Toyota Production System (TPS) from which it originated sourced much of resear...

forty growing ram lambs (lori-bakhtiari breed) averaging 28 kg (±1.5) were allocated in this study to evaluate the optimal dietary energy density in a lamb fattening enterprise in iran. the feed intake (fi), body weight (bw), gain to feed ratio (g:f) and carcass characteristics were studied. four treatments differed in metabolizable energy content (me) as follow; 2, 2.3, 2.6 and 2.9 mcal/kg for...

undoubtedly, more attention is being made in the word service and industries that can be learnt from manufacturing for improving its production out puts and their associated quality and cost. these include such lean production, jit, tqm, and the relationship between buyer, supplier and finally the customer satisfaction. the main purpose of this paper is to explore the relationship between three...

    Strategic programming, Complex supply chain, Lean, Production programming, Suppliers selection,   ELECTRE This paper represents a model of strategic programming with limited resources in a complex supply chain. The main goal of the proposed model is to increase efficiency and effectiveness of the supply chain with respect to income increases and cost decreases. Using special objective funct...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 introduction: health care organizations have begun applying six sigma methods into their operations. on the other hand, the difficulty of using indicators to compare health care providers in a meaningful way has led to an increased focus on using information about “adverse events”- that is , events that should not happen i...

ABSTRACT Introduction: Interleukin-18 (IL-18) is a proinflammatory cytokine that is produced in adipose tissue and skeletal muscle. The circulating levels of IL-18 increases in obesity and some metabolic and cardiorespiratory diseases. The aim of the present study is to investigate the relationship between circulating levels of IL-18 and leptin, high-sensitivity C-reactive protei...

Introduction: The effective method of treatment of Polycystic Overy Syndrome (PCOS) is lifestyle modification. The aim of this study was to evaluate the effect of 12 weeks aerobic exercise on DHEAso4, 17OH-Progestron Concentrations, number of follicles and menstrual condition of women with PCOS. Methods: In this clinical trial, 40 PCOS patients lean (BMI<20) and obese (BMI>25) randomly divided ...

Lean health care is one of new managing approaches putting the patient at the core of each change. Lean construction is based on visualization for understanding and prioritizing imporvments. By using only visualization techniques, so much important information could be missed. In order to prioritize and select improvements, it’s essential to integrate new analysis tools to achieve a good unders...

Background and Aim: The growing healthcare expenses, technological advancements and increasing competition in healthcare services, brings up new challenges for healthcare industry in providing appropriate services to customers. The Lean methodology, which is a managerial approach, provides tools necessary to eliminate waste and increase customer satisfaction through increasing quality of the se...