中继器
Search documents
山东能源单县能源降本增效有真招:旧物“焕新”流程“瘦身”
Qi Lu Wan Bao· 2025-12-09 05:45
Core Viewpoint - Shandong Energy Luxi Mining is actively transforming by focusing on "design optimization, old material utilization, and process reengineering" to enhance cost reduction and efficiency in every aspect of production and operation [1] Group 1: Design Optimization - The production technology department identified inefficiencies in the drilling design during the construction of the 8301 track, leading to a unified optimization of drilling positions and angles, resulting in a reduction of 26 meters per cycle, saving nearly 60,000 yuan in drilling costs over a quarter and allowing for an additional 45 meters of advance in the excavation work [3] Group 2: Utilization of Old Materials - The company encourages employees to repair and reuse materials by establishing a management system that standardizes procedures and behaviors, enhancing cost-saving awareness among workers. For instance, a damaged device was repurposed, saving 4,700 yuan, and a self-made replacement for an underground device reduced costs by 99% [5] Group 3: Process Reengineering - The company aims to eliminate barriers between departments and processes through collaborative efforts, such as automating the emergency power supply startup, which reduced response time by 5 minutes. Additionally, improvements in coal washing processes led to the recovery of 661 tons of clean coal in a quarter, generating nearly 800,000 yuan in profit [6] Group 4: Mechanism Empowerment - The company integrates a management approach called "Six Precision and Six Enhancements" into daily operations, assigning responsibilities to each employee. A mechanism for collaboration between technical staff and frontline teams encourages the submission of cost-saving ideas, fostering a culture of innovation and accountability [8]
不临海却连通世界,武汉企业助力中国“光链”加速出海
Chang Jiang Ri Bao· 2025-09-21 03:02
Core Viewpoint - The advancements in submarine optical cable technology by companies in Wuhan, such as Changfei and FiberHome, are crucial for enhancing global communication infrastructure and ensuring data security, thereby contributing to China's strategic goals in becoming a maritime power [1][3][6]. Group 1: Technological Breakthroughs - Changfei has successfully laid the world's first 7-core optical fiber submarine experimental cable, providing a revolutionary solution for expanding submarine cable capacity without increasing size [3]. - FiberHome, in collaboration with China Mobile and other institutions, achieved a transmission speed of 254.7 Tb/s over a 200 km standard single-mode fiber, supporting long-distance signal transmission [5]. - These technological advancements break the physical limitations of capacity and distance, allowing for enhanced data transmission capabilities [6]. Group 2: Strategic Importance - The developments in submarine optical cable technology are seen as a strategic response to international technological competition, particularly against monopolies held by companies from the US, France, and Japan [3][6]. - The strategic value of these breakthroughs includes enhancing security by ensuring self-sufficiency in technology, reducing costs through improved transmission efficiency, and preparing for future communication technologies like 6G and quantum communication [6]. Group 3: Industry Impact - FiberHome's investment of nearly 3 billion yuan in building Asia's largest marine communication industrial park aims to produce 10,000 km of submarine cables annually, enhancing China's capabilities in marine network solutions [9]. - The establishment of a complete industrial ecosystem in Wuhan, despite its non-coastal location, demonstrates the city's ability to innovate in deep-sea technology and contribute to national maritime strategies [10]. - Collaborations between companies and academic institutions in Wuhan are fostering a sustainable innovation model, enabling rapid conversion of technological breakthroughs into industrial capabilities [10].
路由器组网最全攻略:除有线 Mesh,Wi-FI组网也能大幅改善信号
3 6 Ke· 2025-08-28 11:15
Core Insights - The article discusses the challenges of inadequate wired network infrastructure in homes and presents Mesh networking as a viable solution for enhancing Wi-Fi coverage and stability [1][2]. Group 1: Mesh Networking Overview - Mesh networking is a multi-node interconnected wireless technology that differs from traditional single-router setups by allowing all nodes to communicate with each other, forming a web-like structure [2][6]. - Each Mesh node can serve as both an internet access point and a data relay, providing seamless Wi-Fi coverage throughout the home without the need for manual switching [2][9]. Group 2: Advantages of Mesh Networking - Mesh networks allow for unified management of devices under a single subnet, simplifying network configuration and management [6][9]. - The dynamic pathfinding capability of Mesh nodes enhances network resilience, as devices can automatically reroute through alternative nodes in case of a failure [9][11]. Group 3: Comparison with Traditional Networking - Traditional single-router setups struggle with signal attenuation due to physical barriers, while Mesh networks offer distributed coverage that mitigates these issues [11][12]. - Wireless Mesh networks, while not as stable as wired connections, can still provide sufficient speed and reliability for most household needs, especially with advancements in Wi-Fi technology [15][23]. Group 4: Alternative Networking Solutions - Powerline networking (using electrical wiring) is presented as an alternative for homes lacking wired infrastructure, allowing internet access through electrical outlets [19][20]. - However, powerline networking's performance is heavily dependent on the quality of the electrical wiring and can be affected by interference from high-power appliances [20][22]. Group 5: Target Users for Mesh Networking - The article identifies three main user categories for networking solutions: wired Mesh for new constructions, wireless Mesh for existing homes, and repeaters for budget-conscious users [23][25]. - Mesh networking is particularly beneficial for users with high network demands, such as those using NAS or gaming consoles, as it ensures stable connections [23][25].