Chinese Construction Project Supervision Standard (GB50319-2000)
China has experienced a dramatic shift in its labor force and economy in the last few decades. This shift has necessitated the adoption of stricter and more comprehensive regulations, standards, and guidelines for China’s construc......
Metal Charpy (U-notched) Impact Test Method
The Charpy impact test, also known as the Charpy V-notch test, is a type of fracture testing methodology. It is used to determine impact fracture strength of particular metals. The Charpy U-notch test method, as specified in GB229–84, is intended to pr......
GB 3838-88 Groundwater Environment Quality Standard
Introduction
The quality of groundwater is important for human activities, environment protection and ecological security. To ensure the quality of groundwater, the Environmental Protection Agency of China (EPA) established the Groundwater Env......
GB/T 13201--91 Technical Method for Establishing Local Atmospheric Pollutant Emission Standards
This paper focuses on the technical method formulated in the standard of GB/T 13201--91, designed to establish local atmospheric pollutant emission standards. This standard specifies the steps and proc......
Introduction
GB/T24001-2004 is a national standard in China for environmental management systems stipulating the requirements of an environmental management system. This standard applies to any organization that wants to establish and maintain an effective environmental management system (EMS) an......
The International Organization for Standardization (ISO) is an international body whose purpose is to maintain standards for goods, services, and systems across the world. The ISO14000 series of standards is a subset of ISO standards which are specifically designed to help organizations understand......
GB 3190–82 is the standard for chemical compositional requirements for aluminum and aluminum alloy processing products. It sets forth the minimum and maximum allowable nitrogen, carbon, silicon, manganese, magnesium, zinc, aluminum, phosphorus and other key elements, as well as their impacts on p......
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Metal Material’s Properties
Metal materials have been used in construction, manufacturing and engineering since ancient times. Metal’s popularity is attributed to its unique combination of superior physical and chemical qualities, including strength, durability, malleability, du......
20CrMo and 30CrMo are two medium carbon alloy structural steels often used for manufacturing auto parts and components. The steel contains high levels of chromium and molybdenum for improved strength and durability characteristics. 20CrMo alloy steel is often used for significant components such a......
Globalization, Inequality and Poverty
Globalization is an increasingly pervasive force in todays world. It involves migration, the free flow of goods and services along with the free flow of capital, technology and labor. It also involves the integration of economic, social and cultural spheres.......