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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Abstract. We study continuous maps on alternate matrices over complex field which preserve zeros of Lie product. Keywords: Alternate matrix, Lie product, general preserver MSC: 15A86, 15A99, 15B99 1 Introduction and the main theorem Linear preserver problem is the problem which concerns the characterization of linear operators on matrix algebras as well as on more general rings and operator ...

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Let H be the group given in Exercise 17 of Section 3.3 ...
Let H be the group given in Exercise 17 of Section 3.3 ...

Textbook solution for Elements Of Modern Algebra 8th Edition Gilbert Chapter 3.5 Problem 5E. We have step-by-step solutions for your textbooks written by Bartleby experts!

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Persons: Makhnev Aleksandr Alekseevich
Persons: Makhnev Aleksandr Alekseevich

Subject: It is obtained the description of normal closure of non-subnormal tightly embedded 2-subgroup A, if A is noncyclic and non-elementary group. It is determined possible parameters of strongly regular graphs, in which neighborhoods are pseudo-geometric for …

Preserving zeros of Lie product on alternate matrices ...
Preserving zeros of Lie product on alternate matrices ...

Abstract. We study continuous maps on alternate matrices over complex field which preserve zeros of Lie product. Keywords: Alternate matrix, Lie product, general preserver MSC: 15A86, 15A99, 15B99 1 Introduction and the main theorem Linear preserver problem is the problem which concerns the characterization of linear operators on matrix algebras as well as on more general rings and operator ...

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Road West, North Branch, Jingkai Road, Puyang City