Search results for keyword: acoustic
Aperture measurement
Drilling Aperture Measurement
Drilling aperture measurements are important for many industrial applications. With the use of an aperture meter or bore gauge, drilling machines can measure the inside diameter of drilled holes. This allows for accurate and precise measurements of the size of the ho......
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GB/T 3222-94 acoustic Environmental Noise Measurement Method
，内容是GB/T 3222-94声学 环境噪声测量方法
In 1994, GB/T 3222 was released by the China National Standards on acoustics to provide a standard method to measure sound levels in the environment. The standard was developed to meet the needs of new acoustic construction regulations in China and to reduc......
Welding and Welding-Rolled Titanium Tube GB 4367-84
，题目是GB 4367-84 Welding and Rolling of Titanium Pipes
Welding and Rolling of Titanium Pipes GB 4367-84
Titanium is a lightweight, strong, corrosion-resistant metal that is increasingly used in construction and other fields. Its properties make it suitable for a wide range of applications, such......
GB 12348-90 Boundary Noise Standards for Industrial Enterprises
Noise Standards for Industrial Enterprises
The 12348-90 Noise Standard for Industrial Enterprises is an important national noise standard formulated by the Chinese government to guide the development of a safe, healthy and rational production environment for the industrial sector. It aims to ensu......
S10-4-3-10 use
The internet has been a major player in the way people interact in their everyday lives. It has created a world where people from all corners of the globe can communicate with each other and access the same information at the same time. In a way, the internet has allowed the world to become one gi......
S185 use
Background
The Philips S185 is a modern smartphone with a display size of 5 inches. It is a mid-range device that comes with many features including a quad-core processor, 1 GB of RAM and 8 GB of storage. It also comes with a 13MP rear and 5MP front facing camera.
Design
The S185 is a relativel......
Korean low carbon carbon structural steel steel grade
Low Carbon Steel Structures in South Korea
South Korea has seen rapid development and industrialization in recent years, and its steel industry has become one of the most important in Asia. Consequently, the demand for various types of steel, including low carbon steel structures, has grown signi......
Iron-nickel soft magnetic alloy (GB/T198-1988)
Iron-Nickel Soft Magnetic Alloy
Iron-nickel soft magnetic alloys are widely used in electrical and electronic applications due to their excellent magnetic properties and excellent mechanical properties. As a material, this non-ferrous alloy has a high magnetic permeability, high electrical resist......
GB/T 2970-91 Ultrasonic wave inspection method for medium and thick steel plates
Introduction
Ultrasonic testing (UT) is one of the most versatile, accurate and economical methods used to detect and repair cracks, inclusions, and other defects in a variety of materials, including thick steel plates. UT was first developed in the 1950s and has since been used for the detectio......
Mechanical design terminology in Chinese and English (2)
Design Terminology
Architectural Engineering: The integration of architecture, engineering, research and design for the purpose of creating high-functioning, cost effective and aesthetically pleasing structures for society.
Civil Engineering: The design, construction, and maintenance of public w......
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