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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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The isomorphism type of the centralizer of an element in a ...

Let G be an 1-connected simple Lie group, and let x\inG be a group ,element,. We determine the isomorphism type of the ,centralizer, C_{x} in term of a minimal...

Classification of groups in which the centralizer of every ...

Well, in a finite group, if the ,centralizer, of each non-identity ,element, is cyclic, then each Sylow subgroup is cyclic ( for every prime) ... Rips found (torsion-free) ,examples, of finitely generated but infinitely presented (and hence not hyperbolic) subgroups of hyperbolic groups in the early '80s.

3.3 Constructing Examples - NIU

This shows that C(A) ∩ C(B) is the identity matrix, and since any ,element, in the center of Gmust belong to C(A) ∩C(B), our calculations show that the center of G is the trivial subgroup, containing only the identity ,element,. 27. Compute the ,centralizer, in GL2(Z3) of the matrix 1 −1 0 1 . Solution: Let A= 1 −1 0 1 , and suppose that X ...

ALGEBRAS IN WHICH NONSCALAR ELEMENTS HAVE SMALL

elds) in which the ,centralizer, of every nonscalar ,element, is commutative. 1. Introduction Let Abe a unital algebra over a eld F. We identify Fwith F1, the set of scalar multiples of 1. Let C(a) denote the ,centralizer of an element, a2Ain A. The goal of the paper is to classify algebras in which every nonscalar ,element, has trivial ,centralizer,, i.e.,

regular element of a Lie algebra - PlanetMath

An ,element, X ∈ 𝔤 of a ,Lie algebra, is called regular if the dimension of its ,centralizer, ζ 𝔤 (X) = {Y ∈ 𝔤 ∣ [X, Y] = 0} is minimal among all centralizers of elements in 𝔤. Regular elements clearly exist and moreover they are Zariski dense in 𝔤 .

GroupCentralizer—Wolfram Language Documentation

GroupCentralizer[group, g] returns the ,centralizer, of the ,element, g in group.

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