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1.831  Articles
1 of 184 pages  |  10  records  |  more records»
Teeth bleaching is one of the treatments for teeth discolouration. Teeth bleaching can do in-home or in-office. The material for that use in-office bleaching is 35% hydrogen peroxide. Hydrogen peroxide is a chemical compound that is tough and has a micro ... see more

Peneltian terkait inovasi kampas rem non-asbestos telah banyak dilakukan. Selulosa asetat sebagai serat buatan memiliki ketahanan yang tinggi terhadap panas. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan selulosa asetat terhadap nilai hard... see more

Herein, we have formulated a simplistic semi-empirical model for Vicker’s hardness of rare earth based pyrochlore compounds. We have considered the  structured 97 pyrochlore compounds for Vicker’s hardness calculations. The plasmon energy (h?p) depen... see more

Abstract - The effect of age hardening heat treatment on the hardness values of 93.95Al-5Zn-1.05Sn/5Al2O3-SiO2 particulate composite has been studied. The data used for the work was generated at the National Metallurgical Development Centre, Jos Foundry s... see more

The wheels are a vital component for safety in driving as well as supporting the vertical load of the vehicle when the vehicle is rotating or at rest and serves as a continuation of the rotary motion of the engine to move from one place to another. These ... see more

The selection of proper current is closely related to the depth of penetration of welds on metal and will affect the mechanical properties of the resulting welded joints. The purpose of this study was to determine the effect of current on penetration dept... see more

Analysis of methods for determining the hardness of the winding shows that all existing methods require a lot of labor and time. When measuring the layer-by-layer hardness, the known methods do not allow obtaining continuous values, and in the case of mea... see more

Background: Demineralisation and remineralisation is a natural process in tooth enamel. It is influenced by the content of calcium and phosphorus in saliva, which concentrations are affected by the consumption of food, including formula milk. Demineralisa... see more

Metal is an element that cannot be separated from human life. Almost all of human activities includes metal element in it. Metals can be formed through several ways, one of which is metal casting. Metal casting is one of technique in producing products wh... see more

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