determine the gas-solid heat transfer efficiency.
By using the metallic foam, journal explains the schematic diagram of the test.
In this work, heat transfer experiments were run with each foam sample under eight different flow superficial velocities.
“Heat transfer between the foam structures and the fluid was described by a dynamic, heterogeneous two-phase one-dimensional(1D) model.”
model in ISD. Dick & Carey model and R2D2 model also exist in ISD and these two things compared with ADDIE model several time by many expert. At first, we will search about ADDIE.
ADDIE model
The ADDIE model is most well-known model among many ISD model. This model is the generic process traditionally used by instructional designers and training developers. The five phases-Analysis, Desig
1. 서론
1.1. 연구목적 및 방법
■ 연구의 목적
자동차 배기가스로 인한 환경오염을 해결하기 위해 무연휘발유를 개발하였다. 무연휘발유는 옥탄가 향상제로 산소계 화합물인 에테르 화합물은 높은 산소 비율로 휘발유 불완전 연소 감소 및 배기가스 중 일산화탄소의 양을 줄여 대기오염의 감소 효
offering customers powerful, richly configured systems at competitive prices. Dell introduced the latest relevant technology much more quickly than companies with slow-moving, indirect distribution channels, turning over inventory an average of every four days. In less than two decades, Dell became the number-one retailer of personal computers, outselling IBM, Hewlett-Packard, and Compaq (2002).
Ⅱ. Theory
1. 기본 물성값
이번 프로젝트에서 선택한 물질은 에탄올과 DMC(ethanol/Dimethyl carbonate)이다. 그 물성치들은 아래와 같다.
MW
ρ/gcm3
R J. Gmehling, U. Onken, and W. Arlt, Vapor-Liquid Equilibrium Data Collection, Chemistry Data Wervice, DECHEMA, Frankfurt/Main, 1984-1990
Q1)
46.07
0.7851
2.1055
1.9728
(1) 에탄올 (ethanol, C2H5OH)
1.1 Study Designs
․Retrospective Studies
․Prospective Studies
※ Survival Analysis
; Deals with analysis of data that have "time to an event".
※ Survival time
; Time until an event occurs.
※ Event
; a. relapse of a disease
b. death
c. response to a treatment
; Economical,
To obtain answers quickly because the cas
I. Introduction of the Project
1. The Reasons for Selecting Companies
For this project, after discussion our team has chosen two major airline companies in the United States which are Delta Airlines and Hawaiian Holdings.
Why we selected this industry because it is very interest part for hospitality industry and they are very famous companies in the United States. When we finished final proj
Overview
The printer that is widely used is 2D printer. 2D printer is operated with papers and ink. It can print the letters, shapes and colored pictures on the paper. However, 3D printer can make 3D structure with ink like polymer. 3D printers make the product with not the top-down method but the bottom-up method. The most useful advantage of 3D printer is that it is the more useful device wh
Ⅰ. Introduction
1. Study background and objectives
Recently, due to environmental pollution and climate change, attention to environment is more growing than ever. Especially, buildings form 40% of energy and resource consumption, 30-40% of carbon dioxide emission, 20-25% of waste discharge, 17% of water consumption, and 25% of wood consumption, so buildings are mainly responsible for
Clinical Trials
Ⅰ. About Clinical Trial.
1. Definition of clinical trials
Although there are many definitions of clinical trials, they are generally considered to be biomedical or health-related research studies in human beings that follow a pre-defined protocol. Observational studies are those in which individuals are observed and their outcomes are measured by the investigators.
2.