Element flow has gradually become an important method for studying urban spatial structure. This study examined 11 prefectural cities in the Guanzhong Plain agglomeration; constructed a measurement model information, traffic, migration, and composite networks; analyzed structure of network agglomeration through social analysis visualization. The had Xi’an as center Xianyang, Baoji, Weinan Tians...

Executive Summary While research on school finance equity has traditionally focused on disparities across school districts, recent years have witnessed increased attention to resource differences across individual schools, particularly within large school districts. With a majority of the existing evidence on intra-district equity coming from the nations largest districts, little is known about...

A pulmonary mucinous cystadenocarcinoma is an extremely rare tumor that is considered to be a cystic variant of mucin-producing lung adenocarcinoma. We present a case of pulmonary mucinous cystadenocarcinoma in a 54-year-old woman. Chest CT scans showed a 4.3-cm-sized, lobulated, well-defined, and homogeneous mass in the right middle lobe with peripheral stippled calcifications that demonstrate...

In this short note, we give a brief introduction to the status of technology usage in mathematics education in China. We first introduce the government’s effort to build the infrastructure for CAI. Then we discuss representative CAI software systems developed in China. Finally we discuss efforts to integrate technology and education in middle schools, and curriculum developments. 1 Infrastructu...