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Search results for keyword: ives
Background of ISO14000 series standards
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......
JB/T4750-2003 "Pressure Vessels for Refrigeration Devices" is a recommended industry standard (replacing JB6917-1998)
Pressure Vessels for Refrigerating Apparatus This industry standard JB/T4750—2003 replaces JB6917-1998 and provides instructions for design and assessment tests for safe performance of pressure vessels for refrigerating apparatus. 1. Scope This standard applies to pressure vessels used in the ......
NF is the French standard
NF is the French Standard France is a developed country with a rich history, culture, and economy. It also has a broad impact across the globe. A testament to this impact is NF, the French Standard, which has become internationally recognized. But what is NF, and how has it become so influential......
tags: standards nf quality nf french products
1028
Sophia
Steel bars for prestressed concrete (YB/T111-1997)
Abstract This article introduces the technology of steel bars in pre-stressed concrete. It consists in three parts. The first part introduces the characteristics of steel bars in pre-stressed concrete, namely, the tensile strength, elastic modulus and so on. The second part gives the structure of......
Classification method of radiography and film grades of steel castings (abstract) GB 5677-85
X-ray photography and film grading of castings is a widely accepted practice used to detect any discontinuities and flaws in the casting. In recent times, this method has become a standard to evaluate the quality of castings and to determine the necessary measures needed to achieve certain quality......
Self-spraying oil recovery method
Self-Spray Oil Recovery Technology Oil recovery technology is an important part of the oil and gas industry. With the development of the industry, more and more oil recovery technologies have been invented and put into practical use, such as self-spray oil recovery technology. Self-spray oil rec......
Steel name, usage, characteristics, symbol (2)
Steel is an elemental metal used in every walk of life. It is a metal alloy composed of iron and other elements such as carbon, chromium, and nickel. Depending on the composition, steel may have different properties and applications. Here, we would be discussing two of the most common types of ste......
tags: steel used other hsla steels steel
1037
Sophie
National standard
Standardization Standardization involves creating standards that help individuals agree on a common set of rules and measurements when sending and receiving data, documents, and goods. Standardization reduces inconsistencies in the way that these things are expressed and communicated. It also hel......
Gray cast iron (GB/T9439-1988)
Gray casting iron (GB/T9439-1988) Gray cast iron, commonly known as cast iron, is a metal alloy consisting predominantly of iron with carbon and silicon as the main alloying elements. Gray cast iron has a comparatively high strength and wear resistance, and is used in a wide variety of applicatio......
tags: iron cast grade iron cast grey
1024
Oliver
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