Results 11 to 20 of about 513,872 (297)

《PSKE—900》

open access: yesJixie chuandong, 1989
机械电子部郑州机械研究所齿轮检测中心于1988年从西德克林贝尔公司购进一台“齿轮单面啮合检查仪”,型号为PSKE—900。
doaj   +1 more source

Evaluation of the Role of Dry and MQL Regimes on Machining and Sustainability Index of Strenx 900 Steel

open access: yesLubricants, 2022
Sustainable technologies draw attention in the machining industry thanks to their contributions in many aspects such as ecological, economic, and technological.
Abdullah Aslan   +2 more
doaj   +1 more source

From cataloging to the portal: the digital library of 20th century literature of the National Central Library of Rome

open access: yesGriseldaonline, 2021
The portal of the Italian literature of the 20th century created by the National Central Library of Rome is presented, in which the cataloging and digitization projects of archives and author libraries have converged.
Andrea De Pasquale
doaj   +1 more source

Effects of molecular weight of raw material and heat-treatment temperature on mechanical properties of dry-spun SiC fibers

open access: yesNihon Kikai Gakkai ronbunshu, 2021
SiC fiber reinforced SiC matrix composites (SiC/SiC composites) are a kind of ceramic matrix composites (CMC) and have attracted attention as a new material for aerospace engines because of their high strength, high temperature resistance, and oxidation ...
Kohei SOEDA   +6 more
doaj   +1 more source

Mechanical properties of biomedical 316L stainless steel plates with in-plane orthogonal anisotropy by aligning crystallographical orientation via additive manufacturing

open access: yesNihon Kikai Gakkai ronbunshu, 2021
Low stiffness in the axial direction is required to suppress stress shielding, whereas high stiffness in the torsional direction is required to promote bone healing in metallic implants.
Masaaki NAKAI   +4 more
doaj   +1 more source

Improvement of experimental device for high cycle fatigue tests of copper alloy strips and characterizing fatigue properties

open access: yesNihon Kikai Gakkai ronbunshu, 2021
In this research, we improved the fatigue test method for copper alloy strips which was standardized by Japan Copper and Brass Association. In order to increase test frequency and obtain repeatable test results for 108 cycles, the design of fixed block ...
Natsuhiro MITA   +2 more
doaj   +1 more source

Multi-material robust topology optimization considering uncertainty of material properties

open access: yesNihon Kikai Gakkai ronbunshu, 2021
This paper proposes a solution to a multi-material robust topology optimization problem of density type considering material uncertainties based on H1 gradient method.
Kohei SHINTANI   +2 more
doaj   +1 more source

Pathological, bacteriological, and molecular characteristics of natural outbreaks of Johne's disease in goats of Fars Province, Iran

open access: yesInternational Journal of Mycobacteriology, 2016
Objective/Background: Johne's disease, also called paratuberculosis, is a very important chronic infectious disease of ruminants worldwide. The causative agent is an acid-fast bacterium, Mycobacterium avium paratuberculosis (MAP).
F Zarei Kordshouli   +2 more
doaj   +1 more source

Seven new narrowly endemic species of Gulella Pfeiffer, 1856 from eastern South Africa (Gastropoda, Streptaxidae) and status revision for another

open access: yesEuropean Journal of Taxonomy, 2023
Seven new species of very small Gulella Pfeiffer, 1856 are described from two regions in the interior of south-eastern South Africa within the Maputaland-Pondoland-Albany biodiversity hotspot.
Mary L. Cole, David G. Herbert
doaj   +1 more source

Leibniz e l’Archivio di Filosofia nel ‘900

open access: yesNoctua, 2023
In the 20th century, Leibniz studies flourished in Italy, as attested by the large number of scholarly articles and translations of his main works. Articles on Leibniz’s philosophy were published in the Archivio di Filosofia, which has long been the ...
Roberto Palaia
doaj   +1 more source

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