Recently, Huayou Group Chongqing Kaiyuan Co., Ltd. officially released the updated Ventilation Operation Regulations, marking a significant step forward in operational safety and efficiency. All ventilation service employees are now required to wear "protective clothing" as part of the new protoc
The coal stockpiles at Bohai Bay ports have declined for the eighth consecutive week, signaling a continued downward trend in supply. According to recent data, inventory levels fell by 172,000 tons during the week of March 31 to April 6, bringing the total to 17.013 million tons—a 1% decrease
On February 27, the Technical Committee of the State Administration of Safety Supervision was officially established. This move reflects a deep recognition by national safety authorities of the importance of science and technology in ensuring safety. It also challenges the traditional belief that se
On February 27, the Technical Committee of the State Administration of Safety Supervision was officially established. This move reflects a deep understanding of science and technology by the national safety production supervision department, emphasizing the importance of technological security. It c
At present, an increasing number of LED displays are being integrated into indoor environments, especially in large hotels and supermarkets, where they have become a popular choice for advertisers. When it comes to the use of indoor full-color LED screens in large-scale hotels, there are several key
In recent years, the adoption of LED displays in indoor environments has been on the rise, especially in large hotels and supermarkets, where they have become a popular choice for advertisers. When it comes to selecting an indoor full-color LED screen for large-scale hotels, several factors need to
**Abstract**
Announcement Date: On March 19, 2014, in accordance with the principles of fairness, impartiality, and transparency, the Tendering and Purchasing Management Center of Jilin University will conduct a domestic public bidding process for this procurement project. Qualified bidders are he
**Abstract**
Announcement Date: On March 19, 2014, in accordance with the principles of fairness, impartiality, and transparency, the Tendering and Purchasing Management Center of Jilin University will conduct a domestic public tender for this procurement project. Qualified bidders are hereby invi
Stud welding is a fast and efficient method for attaching fasteners to materials. It not only enhances productivity but also ensures high-quality welds through specialized equipment that achieves full penetration, guaranteeing good thermal and electrical conductivity as well as strong joint strength
The use of rare earth elements in steel has a long history, spanning nearly 30 years. Through extensive research on the behavior and mechanisms of rare earth metals in steel, scientists have clearly defined their roles. Experimental studies on the addition process have helped establish optimal condi
The application of rare earth elements in steel has a long history, spanning nearly three decades. Through extensive research on the behavior and mechanisms of rare earth metals in steel, scientists have clearly defined their roles. Experimental studies on the addition process have enabled precise c
As the spring peanut planting season approaches, both wheat and summer peanuts are entering their preparation phase. On March 27, the Ministry of Agriculture Oil Crops Experts Guidance Group and the National Agricultural Technology Promotion Center released this year's technical guidelines for peanu