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GB 13580.1-92 General Rules for Atmospheric Precipitation Sampling and Analysis Methods
Atmospheric Precipitation Sampling and Analysis Methods General Rules
Atmospheric precipitation is a common component of natural hydrological, meteorological and ecological processes. Prolonged and continuous monitoring of atmospheric precipitation is necessary to understand the hydrological cycl......
1033 
Sophie
GB 16670-1996 Performance requirements and test methods for cabinet type gas fire extinguishing devices
Cabinet-type Gas Extinguishing System Performance Requirements and Test Methods
Introduction
A cabinet-type gas extinguishing system, also known as a total flooding system, is a fire protection system that is effective for the protection of people, environment and property. A cabinet-type gas ex......
Introduction to ISO Standards
International Organization for Standardization (ISO) is an independent, non-governmental, international organization that develops standards, definitions, and specifications to help promote quality and compatibility in global trade. The organizations primary role is to promote the exchange of good......
Features and maintenance of PF455S rice transplanter
PF455S Planting Machine
Introduction
The PF455S Planting Machine is a ground-driven, planting machine that is easily adjustable for various levels of work. It allows for both precision planting and speed for the most challenging applications. This machine is designed for the highest levels of pe......
QC/T 257—1998 Compressed Natural Gas Vehicle Type Test Regulations
Abstract
This article examines the Chinese standard QC/T 257-1998 for Compressed Natural Gas Vehicle Test Regulations. This document contains technical requirements for the specific test procedure, including the safety requirements, test-specific criteria, and performance requirements of the test......
Analysis and Treatment of Soft Faults in Sinumerik 802D System
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Summary
Sinumerik 802D is a computer numerical control (CNC) system used to control machines and automated production lines. It is used to program, operate and monitor the functions of industrial machines and robots. But as a complex system, Sinumerik 802D also has some typical faults that is d......
National standards for environmental testing of electrical and electronic products
National Standards for Environmental Testing of Electrical and Electronic Products
In today’s world, more and more electrical and electronic products are being developed and produced for consumer use. In order to ensure that these products perform safely and effectively in the environment in whi......
Crevice corrosion test
扬废腐蚀试验
Abstract
Lift-off corrosion testing is a method used to evaluate the corrosion resistance of metals and other materials. The corrosion test involves placing a sample in an environment that encourages lift-off corrosion and then applying a load to the sample. The lift-off corrosion t......
Corrosion test
Corrosion Testing
Corrosion testing is one of the most important tests that can be done to evaluate the integrity of certain materials, parts, components and alloys. Corrosion can be defined as the deterioration of a material over time due to the effect of external influences such as chemical age......
Upsetting test
Abstract
Top-down drilling (TDD) is a commonly used technique used to collect rock samples in the oil and gas industry. The idea behind TDD is to use a drill bit to cut through the rock layers and obtain a representative core sample. This technique has been used in the oil and gas industry for man......
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