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GB 12827-91 standard reference acetylene carbon black and identification method
Carbon black refers to black powdery or granular material, which is composed of many tiny particles with the average particle size of between 10 and 2000 nanometers. It is composedot many carbon atoms buthydrophobic in nature. Carbon black can be prepared by pyrolysis of hydrocarbons such as coal ......
1039 
Lily
Bismuth
Bismuth is a mineral that is commonly found in granites, pegmatites and other insoluble parts of igneous rocks. Native bismuth is a silvery-white metal that is brittle and often has a pinkish tinge when exposed to air. Bismuth is the most diamagnetic element known and shows only a very weak respon......
Mineral Spectroscopy Analysis
Mineralogy is the scientific study of minerals, their structures and physical properties. Mineralogy information provides scientists, engineers, and policy makers with the evidence they need to understand the geologic formation and composition of rocks, soils, and sediments that make up our planet......
Mineral Optical Properties
Mineral optic property
Minerals are naturally occurring solid compounds, which have a wide range of optical properties. The most common optical properties of minerals are birefringence, pleochroism, and anisotropy. The optical properties of minerals are dependent on their composition, composition ......
electro-optic eye disease
Introduction
Electronic-graphic ophthalmic disease is a type of ocular disorder that is caused by a disruption in the transmission of light signals through the optic nerve. It generally affects the range of vision, and it is believed to occur as a result of genetic abnormalities or the excessive ......
Determination of physical properties of dust
Dust Physical Property Testing
Dust is an issue found in the environment of many industrial and commercial buildings. For example, dusty construction activities or dry processes that involve grinding, sanding or chipping may lead to raised dust levels. While dust is mostly associated with general......
Displacement Measuring Instrument
Precision displacement measurement is a measurement technique which has a two dimensional orientation of two equivalent real planes. This technique can measure the precise displacement between two points in space by measuring the difference between two points, or positions. Precision displacement ......
photoelectric microscope
Introduction
The optical microscope is a widely used tool in modern scientific research, medicine, and the industrial world. This magnifying instrument is used for a variety of different tasks, from examining bacteria to conducting industrial product inspections. One form of the optical microscop......
Selection of Equipment for Improving the Quality of Bronzing Process
Introduction
Heat transfer printing is a relatively mature process, and how to improve the quality of hot stamping technology has become the focus of discussion in the industry. Good hot stamping equipment can not only improve production efficiency, but also reduce production costs. Through conti......
GB/T 6206-1999 Industrial acetone
GB/T 6206-1999 Acetone
GB 6206-1999, Industrial acetone, was issued on April 20th, 1999, and effective October 1, 1999. It is a national standard formulated by the Standardization Technical Committee of dye and organic and mineral substances under the China National Standardization Management Com......
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