According to the approval of the Dongxiang County Government Procurement Leading Group, the Dongxiang County Government Procurement Center of Jiangxi Province conducts competitive negotiation procurement on the administrative examination and approval …

Washing machine is an important cleaning tool in the home, but recently there have been many reports that the washing machine is listed as the five most neglected sanitary corners in the home. At the same time, many medical institutions have pointed out that washing machines have begun to becom…

Abstract: With the continuous development of banking business, people have become increasingly dissatisfied with the bank queuing service. For this, the project team has designed a bank calling mobile queuing system based on the current bank calling queuing system. A s…

• Model NO.: GS-686E
…

We know that mercury is an extremely toxic substance. However, most of the high-efficiency electric light sources currently used contain mercury. The mercury content of various electric light sources is shown in the following table:

…

In the issue of ensuring the safety of drivers and passers-by, the proportion of electronics technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver's cognition and misjudgment. The use of sensors, on-board cameras and navigation systems…