A few days ago, the Guangdong local standard for lithium battery for drones, "Technical Requirements for Lithium Ion Batteries and Battery Packs for Unmanned Aerial Vehicles" was held at the Guangdong Provincial Product Quality Supervision and Inspection Institute (hereinafter referred to
Laser TVs are not equivalent to laser projection. There are also many differences between LCD TVs and OLEDs currently available on the market. The author will introduce them in detail and hope to give you answers. Laser Television Technology Principle Since the discovery of the laser, after many
Wang Haibo Harbin Electric Power Vocational and Technical College Han Xiaohui Heilongjiang Electric Power Worker University Han Jingsheng Harbin Institute of Electrical Machinery and Wensheng's distribution law. The rationality and reliability of the stator end structure design of the generat
According to the type of the well, the laneway speed has the following different indicators: Direct Roving
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This is the problem that the first batch of friends who eat crabs have to face in the early stages of their development. The battery life, battery capacity, charging time, and battery temperature control system have all become unique and important vehicle parameters/configurations for pure electri
In the beneficiation plant, crushing and grinding operations of equipment investment, production costs, power consumption and steel consumption is often the largest percentage share of: equipment costs account for about 60 percent of the production costs account for 40% to 60%; power consumption by
The license plate recognition parking system is currently considered to be the most convenient set of equipment used in the parking lot, eliminating manual management and increasing the speed of vehicle traffic. However, many people may not have thought of the license plate recognition parking syst
By Nacha Cattan and Brendan Case
Kia Motors Corp. (000270) plans to build its first assembly plant in Mexico as the South Korean automaker follows European and Asian rivals in adding regional production.
Mexican President Enrique Pena Nieto said today the company will i
The official website of the National Compressor Standardization Technical Committee released on October 8 the “Circular on Release of the Second Batch of Compressor Industry Standards Revision Plan for 2015â€: According to the letter of the Ministry of Industry and Information Technolog
The Chinese rail transit industry has experienced a rapid development process in recent years. Among them, the construction and reform of Chinese railways focusing on high speeds, speed increases, and heavy loads are even more successful in the "fast track" of development. This u
The Ministry of Finance, the National Development and Reform Commission, the General Administration of Customs, and the State Administration of Taxation jointly issued the “2012 Adjustment of Import Catalogue for Domestic Investment Projects Not Exempted from Taxesâ€. The revise
Fatty acids and soaps are an important class of collectors in the flotation process, its most important use is as flotation on a mineral oxide (e.g. hematite, fluorite ore, etc.). Collector. Since fatty acids have very active carboxyl functional groups, almost all minerals can be floated. In genera