1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
영어로는 Design이라 하며 그 어원은 라틴어의 데시그나레(designare)로서 "계획을 명시하다."에서 유래되었다. 오늘날 일반적으로 디자인이라 하면 넓은 의미로서 모든 조형물에 대한 계획을 가리키며 근대적 조형정신과 미의식에 의한 합목적조형을 가리킨다. 과학적으로 엄밀한 정의를 내리기는 매우 어
Aim
eBay’s mission: to provide a global trading platform where practically anyone can trade practically anything.
More than 94 million people have registered for eBay.
Authority
It has improved its policies and process and people trust it.
It has local sites and it is a profitable online company.
Design
Colorscheme
User-friendly format
Various categories
1. Register
colorscheme that darkens as the site progresses from the airy, white gallery space to the slate-colored cafe-library to the large, charcoal-hued gig space and finally to the sleek, black cocktail bar.
With its newly streamlined acoustics, Six D.O.G.S. is probably the best spot in the neighborhood for hearing local D.J.’s and bands. And for an indie scene more concerned with listening to the m
colorimetric, electrochemical, chemiluminescence, electro chemiluminescence 등의 method가 사용되는데, 그 중 가장 많이 사용되는 것은 colorimetric detection이다.
(1) Colorimetric assay
Colorimetric method는 color의 변화를 통해 특정 chemical을 detection하는 방법이다. Color signal을 육안으로 쉽게 식별할 수 있으며, 단순한 관찰만으로도 de