Search results for keyword: hygienic
GB 10331-1989 hygienic standard for perlite dust in the air of workshops
GB 10331-1989 Standard for hygienic Control of Limestone Dust in Workshop Atmospheres
The General Administration of Quality Supervision, Inspection and Quarantine of Peoples Republic of China (AQSIQ) promulgated the GB10331-1989 Standard for hygienic Control of Limestone Dust in Workshop Atmosphe......
1045 
Aria
GB 11915-89 Water Quality Vocabulary Part Three ~ Part Seven
3rd Part: General Principles
1. Quality of drinking water should be guaranteed on the basis of legal regulations.
2. Water safety should be in accordance with the requirements of the World Health Organization (WHO), and relevant regulations should be formulated and implemented accordingly.
3. The ......
GB 12235-89 General valve flange connection steel globe valve and lift check valve
GB 12235-89 Steel Gate Valve and Lift Check Valve with Flange Connections
This GB 12235-89 standard is suitable for the production of medium and low-pressure steel gate valves and lift check valves with flange connections. It regulates the technical conditions, product inspection and acceptance, ......
GBJ74-84 Code for Design of Petroleum Depots (2)
GBJ 74--84 Petroleum Depot Design Standard
This standard is released by the China National Petroleum Corporation (CNPC) and Guangdong Petroleum Administration Bureau on March 1984, and became effective on April 1, 1984. It is devoted to the regulations for the design and construction of petrole......
GB/T17094—1997 hygienic Standard for Carbon Dioxide in Indoor Air
GB/T17094-1997 Indoor Carbon Dioxide hygienic Standard
Carbon dioxide (CO2) is an air pollutant that is commonly found indoors. The concentration of CO2 indoors can affect the comfort and health of occupants. The indoor CO2 hygienic standard, GB/T17094-1997, was issued by the China Ministry of Pu......
Composite food packaging bag hygienic standard GB 9683-88
，描述Compound food packaging bags hygiene standard GB 9683-88
Compound food packaging bags hygiene standard GB 9683-88
Compound food packaging bags are bags used for the packaging of food. As there is concern about the safety of food due to contamination, this particular standard seeks to regulat......
spray dryer
Spray drying is a particular technique used to remove the moisture content of a material, such as a product, in order to make it easier to handle and store.This process is mainly used in the chemical industry and the food industry, but can also be used in other industries.
The basic principle of ......
Specification for spheroidizing annealing process for cold extruded steel
抄袭费j先写下来
ASTM A270 Standard Specification for Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
1. Introduction
ASTM A270 Standard Specification for Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing is a standard dev......
Press down procedure
Employee Responsibilities and Rules at the Office
The work place should be a place of productivity and collaboration, and in order to ensure that, it is important to have guidelines that each employee should follow. Here are a few important rules for employee behavior in the office:
• Respect e......
Immersion nozzle
Immersion-Style Tap
Have you ever been in a bathroom or kitchen where you are trying to fill up a pot or container with water, but it takes forever because of the way the tap dispenses water? It’s a common problem and can be really inconvenient. Fortunately, there is a great solution: the immers......
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