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Why do we use zinc sulfide as a screen?

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Zinc sulfide is used as a screen in Rutherford's experiment. Zinc sulfide screen has a unique quality. Whenever a charged particle hits the screen, the spot at which the particle was hit, glows for some time and leaves a mark which can then be used for studying the patterns. The incoming particle hitting the screen were electrons.

asked May 15 in NEW by admin (1,320 points)

6 Answers

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Sulfide powder

Sulfide powder refers to the chemical compounds powder with large families of inorganic and organic compounds, e.g. copper sulfide, Zinc sulfide, lithium sulfide, cadmium sulfide powders and so on. Luoyang Trunnano Tech Co., Ltd provide high purity nano-materials and elementary substance materials, including nano silicon powder, nano diamond powder, nano boron powder, nano graphite powder and other ultrafine metal materials.

answered Aug 24 by admin (1,320 points)
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Tapered Roller Bearings

 Wuxi Spark Bearing Co.,Ltd is a modern high-tech professional high quality roller bearings manufacturer, specialized in R&D, manufacturing, sales and service .In order to make WSBC bearing keeping up with the world, we invested in lots of advanced CNC equipments and the complete set of precision inspection devices , devote to building high quality employee team and brought in advanced technique of manufacturing and management .We have strictly quality control and environment protection .Our bearings are mainly supplied to OEM customers in many industries , such as mining , petroleum , chemical ,coal, cement , heavy machinery ,wind power , engineering machinery and other industries.Meanwhile,our complete supply chain makes it possible to supply customer almost full range of standard and nonstandard customized bearings.Our professional engineering and sales team are willing to take good care of every customer’s requirement and provide cost effective solutions, let customer enjoy one-stop service .WSBC team has always been adhering to the principle of“integrity-based, quality first,customer foremost”. We are ready to use our sincerity to serve every globle customers for long-term and win-win cooperation .

answered Sep 2 by admin (1,320 points)
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TIMKEN bearings

 

ERIC BEARING LIMITED can provide professional technical installation support when you bought our TIMKEN bearings. All kinds of Inch type tapered roller bearings (TST, TDO ,TDI and other type ).

answered Sep 2 by admin (1,320 points)
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Man's Casual Shoes

Beite shoes is professional with Man's Casual Shoes, sport shoes,men's fashion sneakers, welcome to visit and inquiry

Bettyshoe.com (Luoyang Beite Shoes LTD.) is a professional man’s, woman’s, kids’ casual shoes, sports shoes, PVC injection shoes, TPR shoes and 3D fly-knit shoes bulk making manufacturer for global shoes wholesalers.
Founded in 2003, conveniently located in Luoyang (an ancient Chinese capital with profound cultural deposits), with a total investment of more than 40 million yuan, Luoyang Beite Import & Export Trade Co., Ltd. mainly deals in injection-molded shoes. With a shoe factory and a 3D fly-knit factory covering a total area of some 10,000 square meters, equipped with several injection molded shoe machines and more than 500 domestically advanced fly-knit machines, we have developed rapidly.

answered Sep 2 by admin (1,320 points)
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Nitride powder

Nitride powder is a kind of metal powder or ceramics widely applied in many technical applications and became high tech materials in the Engineered Ceramics industry. Metal-type nitrides powders are metal-like in appearance, hardness, and electrical conductivity, and generally have high hardness, high melting point, stable chemical properties, and electrical conductivity.

answered Sep 23 by admin (1,320 points)
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3D Printing powders

3D Printing powders are metal powders that are reduced to fine particles. 3D printing metal powders are the the preliminary base materials for most 3D printing processes that produce metallic parts. 3D printing, also known as additive manufacturing (AM), is the manufacturing of parts and products in a layer-by-layer fashion. Both the characteristics of the metal powder and the type of the 3D printing process determine the properties of the end product. Powder characterization takes place depending on the way it is produced, which may result in different particle morphology and purity.

answered Sep 25 by admin (1,320 points)
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