To assess and improve the reliability of computerized numerical control (CNC) lathes, it is essential to collect field failure information throughout the products’ life and perform analysis on these data. This paper describes the collection of field failure data, codification of data and...

This study investigated the production of natural nitrogen doped carbon from expired fresh milk for use in a supercapacitor electrode. The material was prepared by hydrothermal carbonization followed by sequential KOH-H3PO4 activation. Carbon modified with KOH at a ratio of 1:1 had the largest...

The boost up of soil heavy metal pollution has severely affected the sustainable development of agriculture in China. It is essential to control and resolve the dilemma of deteriorating soil health due to pollution of heavy metals. The contribution of sources and relative sources of heavy metals...