cell. These sources work respectively or simultaneously according to the driving condition to increase efficiency. Hybrid cars run on battery power at low speeds and switch to traditional internal-combustion at higher speeds. Since the capability of a secondary battery is not enough to replace the existing engine, it still needs to have both battery-powered motor and engine to generate enough pow
platform, but also via cell phone or other devices. The competitive substitutes are transforming with technical innovation. This might be a huge threat to eBay once they become true rivals as eBay haven’t performed any innovation yet. Also the traditional competitors begin to invest for innovation. For example, amazon.com developed the hardware and software platform called ‘kindle’ for read
미국에서도 충분히 수용되어 성공할 가능성이 있다고 생각됩니다. 미국의 스마트폰 이용자는 2012년 기준으로 1억 5천만여명에 이르며(약 50%) M-상거래의 성장세도 우리나라나 일본에 비해 낮기는 하지만 꾸준히 커져가고 있다고 합니다. 이러한 인구통계학적 성공 가능성이 있고 또 미국에서 실시한 연
1. Location-Based Service Background
1.1. Definition of Location-Based Service
Location-Based services refer to general class of computer program-level services used to include specific controls for location and time data as control features in computer programs. Location-Based services utilize location information to improve business productivity as well as adding value to a comfortable life.
5.2 Drug Delivery System
5.2.1 Advantage of Nano-drug delivery system
By diagnosis, and for treatment, we need enhanced drug delivery system. Drug delivery system of these days is just eat and let it flow through the body. It is not good at efficiency. Because the digestive system sometimes digest and remove the drug before it reaches to the target.
For enhancing the efficiency of drug