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News

  • Prediction of new super hard structure of beryllium nitride

    Superhard materials play an important role in industrial production.When designing and synthesizing superhard materials from the perspective of light elements, strong 3d covalent bond compounds composed of light elements B, C, N and O are mainly considere

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  • Nano nitride as lubricant additive

    As a new type of lubricant additive, nano nitride plays an important role in friction reduction and wear resistance.Nano-nitride can directly act on the metal surface of friction pair with lubricating oil, and can be activated and firmly infiltrated into

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  • Transition metal semiconductor chromium silicide CrSi2

    Chromium disilicide (CrSi2), relative density 5.5;Melting point is 1475 ℃.Insoluble in water, soluble in hydrochloric acid, hydrofluoric acid.Chromium silicide film has high resistivity and low temperature coefficient. CrSi2 , like other transition metal

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  • Characteristics and application prospect of two-dimensional nanometer semiconductor gallium telluride

    Two-dimensional nano-semiconductor materials have unique electrical, optical, magnetic and mechanical properties.Currently the most representative two-dimensional semiconductor functional materials include graphene, molybdenum disulfide and boron nitride.

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  • Characteristics and application of high purity ultrafine tungsten chloride

    Tungsten chloride pentafluoride, tungsten tetrachloride difluoride, and tungsten pentachloride fluoride have been prepared, and evidence for the existence of the dichloride tetrafluoride has been obtained. The n.m.r. and infrared spectra of the chloride p

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  • Characteristics and applications of tungsten chloride

    Tungsten chloride , dark blue or blue-violet crystal.Relative density of 3.52 g/cm3 (25 ℃), melting point 275 ℃, boiling point 346.7 ℃, soluble in carbon disulfide, soluble in ether, ethanol, benzene, carbon tetrachloride, vulnerable to hot water decompos

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  • Performance of zirconium hydride

    Zirconium hydroxide chemical formula ZrH2, density 5.6g/cm3, decomposition before melting, it is a stable powder, stable to air and water under normal conditions.With antioxidants and acid radical reaction, can be smoothly when ignition combustion, decomp

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  • Properties and application of terbium oxide

    Terbium oxide is often used to explain the electron configuration of atoms, the electronic state and bond formation of molecules, and the mechanism of REDOX reaction. Although some major group elements and transition metal elements can have very high oxid

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  • Synthesis and application of tantalum silicide

    Tantalum silicide is a very important high temperature structural material and electrical material.Because of its high hardness, high melting point, oxidation resistance and good thermal conductivity, etc., in the integrated circuit, many fields such as a

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  • Technology has changed lives, and here comes graphene planar supercapacitors

    With the continuous development of miniaturization and wearable electronic products, people have an increasingly urgent demand for micro storage systems, such as mobile phones, computers and robots, etc., which have an increasingly urgent demand for m

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