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GB/T 9872-1988 Determination of bromine and chlorine in rubber and rubber products by oxygen cylinder combustion method
GB/T 9872-1988 Determination of Bromine and Chlorine Contents in Rubbers and Rubber Products by Oxygen Burning
1 Introduction
GB/T 9872-1988 [1] is a standard specifying a test method to determine the bromine and chlorine contents in rubbers and rubber products by oxygen burning, which was issu......
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GB 15562.1-1995 Environmental protection pictorial signs - discharge port
GB 15562.1-1995 Environment Protection Symbol Logo – Exhaust
The GB 15562.1-1995 Environment Protection Symbol Logo project is an international symbol standards regarding emission restrictions, serving to raise public awareness about pollution and its adverse effects to both the environment and ......
GB/T534-2002 industrial sulfuric acid
GB／T534-2002 Industrial sulfuric acid
1. General
This standard stipulates the quality requirements and its test methods, rules and signs of industrial sulfuric acid. This standard is applicable to sulfuric acid of sulfur dioxide smelting, industry and its products of absorbed water, qualified p......
Common warning signs on packaging
Warning Signs Regulated by Governmental Agencies
The United States government, through various enforcement and regulatory agencies, has a standard set of warning signs that must be used to identify hazards and hazardous conditions found in the workplace or consumer products. There is an extensive......
Regulations on Compilation of Chemical Safety Labels in Workplaces of GB Submission for Approval
Chemical Safety Labels in GB Approved Draft Assignment Places
Introduction
The use of chemical safety labels is an essential part of a safe workplace and is a key part of the safety management process. The purpose of a safety label is to provide information on the safe use, handling and storage of......
HJ/T 56-2000 Determination of sulfur dioxide in exhaust gas from stationary pollution sources by iodometric method
Determination of sulfur dioxide in the exhaust gas from fixed sources of pollution HJ/T 56-2000
The content of sulfur dioxide in exhaust gas is one of the main pollutants that affect urban air quality. According to the technical specification for air pollutants from fixed sources of pollution (HJ......
Diagnosis and treatment of abnormal smoke color of diesel engine
Diesel Engine Exhaust Color Diagnosis and Treatment
Diesel engines are one of the most commonly used power sources for heavy-duty automobiles. Due to their rugged construction and high efficiency, they are widely used in a variety of applications. However, diesel engines are potentially hazardous......
Visual symbols for operation instructions of metal cutting machine tools (6)
及作文
Metal Cutting Machine Tool Operation Instruction Symbols (Six)
Symbol Interpretation
I. Tool/Spindle Retract/Advance
The tool or spindle is used for reaching part to be machined and for retracting or advancing in response to the commands of the computer program used to control the ma......
valve logo
Valves are one of the most important devices used in a myriad of industries, from chemical and food processing plants to plumbing systems and engineering operations. Valve identification is essential to ensure the correct functioning of the entire system these components are embedded in. Every val......
Blue process
丁烷预聚发蓝工艺
Presently, organic syntheses play an important part in many industries, such as the pharmaceutical field, textile industry and more. From a variety of organic reactions, Friedel Crafts alkylation (FCA) being one of the most important of them. amongst all the varieties of FCA, the......
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