Low Dose CT Image Reconstruction Based on Structure Tensor

Low dose computed tomography (CT) has drawn much attention in the medical imaging field because of its ability to reduce the radiation dose. Recently, statistical iterative reconstruction (SIR) with total variation (TV) penalty has been developed to low dose CT image reconstruction. Nevertheless, the TV penalty has the drawback of creating blocky effects in the reconstructed images.

Does 2020 mark a critical juncture in Chinas low-carbon

apparently contradictory policy announcements, bracketed the launch and delivery of the national economic recovery plans. In this context, the paper addresses the question of whether the year 2020 marks a critical juncture in Chinas management of the low-carbon energy transition. A critical juncture is a period of uncertainty,

Hitachi Global

Hitachi delivers digital solutions utilizing Lumada in five sectors including Mobility, Smart Life, Industry, Energy and IT, to increase our customer's social, environmental and economic value.

A 10-year observation of PM 2.5 -bound nickel in Xian

24/01/2017 · This study presents the first long term (10-year period, 20042013) datasets of PM2.5-bound nickel (Ni) concentration obtained from the daily sample in urban of Xian

U.S.-China Strategic & Economic Dialogue Outcomes of the

24/06/2015 · Low NOx Boiler Emission Reduction Feasibility Study and Pilot Project: The United States Trade & Development Agency and the Beijing Environmental Protection Bureau decided to work together to conduct a feasibility study and pilot project to demonstrate low nitrogen oxides (NOx) burner technologies to meet stricter NOx emission requirements for gas-fired boilers in Beijing.


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Latest News headlines, exclusives and opinion | The Sun

KING OF SCOOPS. RIP John Kay - The Sun reporter who broke Fleet Street's biggest stories. KING of Page One, John Kay, the reporter behind many of The Suns greatest exclusives, has died age 77.

Research on PM 2.5 concentration based on dissipative

02/10/2020 · Xian is a famous tourist city and 13 dynasties established capital in Xian. It has a total area of 10,752 square kilometers. In this study, the main urban area of Xian, including Weiyang


OSTI.GOV - OSTI.GOV is the primary search tool for Department of Energy science, technology, and engineering research information funded by the US Department of Energy and the organizational hub for the Office of Scientific and Technical Information. - search tool, Department of Energy science, Department of Energy technology, Department of Energy engineering, Department of Energy research

'Forgotten, ignored and patronised' - Partick Thistle

09/05/2020 · 'Forgotten, ignored and patronised' - Partick Thistle blast SPFL over decision to end reconstruction talks The Jags are fuming over the decision to end reconstruction