With the rapid development of China’s economy, urbanization is gradually accelerating, but income gap between urban and rural areas growing, which may constrain economic development. To test impact on urban–rural gap, this paper uses panel data 31 provinces (cities/autonomous regions) in China from 2007 to 2018, combines ArcGIS technology construct Spatial Dubin Model. This finds that increase ...

Agriculture is the national economy’s primary industry, and its carbon emissions (CE) are one of most significant factors influencing environment. As a large agrarian province, reducing emission intensity (CEI) agricultural great practical significance to sustainable development agriculture in Henan province. In this paper, CEI rice, maize, wheat from 2001 2020 18 prefecture-level cities provin...

Digital preservation is fundamental to information stewardship in the 21 century. Although much useful work on preservation strategies has been accomplished, we do not yet have an adequate conceptual framework that articulates precisely and formally what preservation actually is. The intention of the account provided here is to bring us closer to this goal. Following an initial analysis of the ...