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GB/T 15265-94 Gravimetric method for determination of dust fall in ambient air
介绍
GB/T 15265-94 Specification for the determination of dust in environmental air-Gravimetric method
GB/T 15265-94 Specification for the Determination of Dust in Environmental Air — Gravimetric Method is a national standard for the determination of dust in air released by specified sources, pro......
1057 
Sophia
Horizontal extrusion machine
Horizontal extruder
Horizontal extruders are a type of machine used to extrude products through a pre-determined section. Generally involves converting plastic raw material or other raw materials into a solid, molded shape. This method of making plastic and rubber parts has multiple advantages ov......
special purpose vehicle
Some Advancements in Commercial Vehicle Technology
In a world of rapid technological advancement and globalization, commercial vehicles are increasingly important elements of modern society. Whether they are used to move goods and services to store shelves or to transport people to their destinat......
ruler
Drugs and Alcohol Abuse
Drugs and alcohol abuse are common issues among adolescents. The growing rate of substance abuse among younger adults has increased significantly over the years and for this reason, parents, teachers, and adults should always be informed about it. Drugs affect the brain an......
carrier bridge
Suspension bridge
A suspension bridge is a type of bridge in which the deck (the load-bearing portion) is hung below suspension cables on vertical suspenders. The first modern example of this type of bridge was the Wuppertal Suspension Bridge, designed by German engineer Eduard Haber in 1901, tho......
heat pump
Introduction
Heat pumps are a popular choice in homes and commercial buildings because they use electricity to deliver up to four times the amount of heat energy compared to traditional heating systems. Heat pumps are economical, efficient and require minimal maintenance. Heat pumps can also be u......
Grinding machine: brake pad grinding machine
Brake Pad Grinding Machine
A brake pad grinding machine is a type of equipment used to repair damaged brake pads on various types of vehicles, such as cars, trucks, motorcycles and boats. It helps by providing precise and accurate grinding of brake pads to restore them to their original shape an......
Frame type, fitter, combined image, electronic level
Welding Inspection
Welding inspection is an important part of welding process, it includes various inspections and tests like visual inspection, dimensional and surface inspection, destructive and non-destructive testing. Quality assurance ensures the safety of the weldments and serves as evidenc......
McPherson Suspension
Benjamin Franklin is one of Americas most beloved Founding Fathers. He was an inventor, scientist, printer, statesman, politician, diplomat, andpostmaster. He was also a prolific writer and public speaker.
Franklin was born on January 17, 1706, in Boston, Massachusetts. He was the tenth of 17 chi......
Dial Indicators and Dial Indicators
Percentages and Decimals
The world of mathematics is known to be a complex one, with a range of different operations, measurements, and formulas that must be mastered in order to work with it effectively. One such concept that often represents a challenge to those attempting to comprehend mathema......
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