During the COVID-19 pandemic, low- and middle-income countries struggled with lower vaccination rates compared to wealthier countries, posing challenges to reducing virus transmission, mitigating healthcare system pressures, and promoting economic recovery. Communications campaigns offer...

Conflict is either caused by, or brings about, drastic changes in the underlying social relationships between members of a community involved in the conflict. The conflict literature has taken note, and a growing number of studies attempt to determine the relationship between conflict and social...

A new solar boiling water system with conventional vacuum-tube solar collector as primary heater and the holistic solar funnel concentrator as secondary heater had been designed. In this paper, the system was measured out door and its performance was analyzed. The configuration and operation...

As one of the most important component of Non-Revenue Water (NRW), apparent loss exists in all kinds of water distribution system but hardly can be assessed due to its complexity and invisibility. Aimed to analyze the different component of apparent loss on the basis of the characteristic of...

Three types of congregated solar concentrators or so-called light funnels have been designed. They are a Compound Parabolic Concentrators (CPC) superposed light funnel, a CPC superposed light funnel with a deflector and a mirror focus superposition light funnel. Their light-concentrating...

It is generally believed that Japan's cost-oriented and export-oriented direct investment has introduced a bilateral intra-industry trade pattern in ChinaJapan trade through which China imports accessories from Japan, processes them and exports the product to Japan. Based on investment and trade...

It is generally believed that Japan's cost-oriented and export-oriented direct invest­ment has introduced a bilateral intra-industry trade pattern in China–Japan trade through which China imports accessories from Japan, processes them and exports the product to Japan. Based on investment and...