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Nazarbayev University Repository is an institutional electronic archive for long term storage, accumulation and provision of long-term and reliable open access to scientific research results and intellectual products of the academic community of Nazarbayev University associated with them.

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Recently Added

Development of a Power Assist Lifting Device With a Fuzzy PID Speed Regulator

Raziyev, Yesset; Garifulin, Ramil; Shintemirov, Almas; Do, Ton Duc (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2019)

This paper introduces the development of a one-degree-of-freedom (1DOF) power assist device that helps to lift objects and facilitate the operator's job. The existing designs were examined for different control approaches ...
Weighted L-p-Hardy and L-p-Rellich inequalities with boundary terms on stratified Lie groups

Ruzhansky, Michael; Suragan, Durvudkhan; Sabitbek, Bolys (SPRINGER-VERLAG ITALIA SRL, 2019-01)

In this paper, generalised weighted Lp-Hardy, Lp-Caffarelli-Kohn-Nirenberg, and Lp-Rellich inequalities with boundary terms are obtained on stratified Lie groups. As consequences, most of the Hardy type inequalities and ...
CRITICAL HARDY INEQUALITIES

Ruzhansky, Michael; Suragan, Durvudkhan (SUOMALAINEN TIEDEAKATEMIA, 2019)

We prove a range of critical Hardy inequalities and uncertainty type principles on one of most general subclasses of nilpotent Lie groups, namely the class of homogeneous groups. Moreover, we establish a new type of critical ...
Silica from Kazakhstan Rice Husk as an Anode Material for LIBs

Kurmanbayeva, Indira; Mentbayeva, Almagul; Sadykova, Almira; Adi, Akylbek; Mansurov, Zulkhair; Bakenov, Zhumabay (Institute of Combustion Problems, 2019)

This paper reports the synthesis of the silica (SiO2) from Kyzylorda rice husk (RH) and investigation of its electrochemical behaviour as an anode material for the lithium-ion battery. Rice husk, considered as agricultural ...
The Electrochemical Performances of n-Type Extended Lattice Spaced Si Negative Electrodes for Lithium-Ion Batteries

Lee, Moonsang; Yoon, Dockyoung; Lee, Uk Jae; Umirov, Nurzhan; Mukanova, Aliya; Bakenov, Zhumabay; Kim, Sung-Soo (Frontiers Media, 2019-07)

The electrochemical performances of lithium-ion batteries with different lattice-spacing Si negative electrodes were investigated. To achieve a homogeneous distribution of impurities in the Si anodes, single crystalline ...