Results 21 to 30 of about 4,107 (206)

TOF underground accurate positioning technology based on message multiplexing

open access: yesGong-kuang zidonghua, 2019
In view of problems that symmetric-double-sided two-way ranging (SDS-TWR) method had low ranging efficiency and poor expansibility and there was still room for improvement in the ranging efficiency and positioning system capacity of asymmetric-double ...
CHEN Kang   +5 more
doaj   +1 more source

Energy Efficient Space–Time Line Coded Regenerative Two-Way Relay Under Per-Antenna Power Constraints

open access: yesIEEE Access, 2018
In multiple-input multiple-output (MIMO) systems, per-antenna power constraint (PAPC) has been considered to enhance the power efficiency of the multiple power amplifiers.
Jingon Joung
doaj   +1 more source

TWRS privatization bibliography [PDF]

open access: yes, 1996
The purpose of this bibliography is to present a select set of documents that may be of interest to the Offeror, covering a variety of subject areas related to the TWRS Privatization Project. The organization of this bibliography is by subject area. Some of the documents overlap subject areas, and may be presented in more than one.
openaire   +5 more sources

The effects of the Two-Week Rule on NHS colorectal cancer diagnostic services: A systematic literature review

open access: yesBMC Health Services Research, 2006
Background The Two-Week Rule (TWR) was introduced to ensure that all patients with a suspected colorectal cancer (CRC) saw a hospital specialist within 14 days of an urgent GP referral.
Hutchings Hayley A   +2 more
doaj   +1 more source

Experimental investigation of nanographene mixed in the copper electrodes for electrical discharge machining [PDF]

open access: yesEngineering and Technology Journal
Nanotechnology in electrode manufacturing is a new technique to enhance the machinability of materials that are difficult to machine using electrical discharge machining (EDM).
Osama Sabbar   +2 more
doaj   +1 more source

Influence of graphene coating in electrical discharge machining with an aluminum electrode

open access: yesJournal of the Mechanical Behavior of Materials, 2023
Since the cost of electrodes in electrical discharge machining (EDM) is usually too high, it leads to a significant increase in the production cost.
Pham Van Dong   +6 more
doaj   +1 more source

The spatial dimension of the flexible workplace : exploring the relationship between utilization practices and architectural space quality [PDF]

open access: yes, 2020
Purpose: The observed gap between intended and actual utilization of activity-based workplaces indicates a lack of insights on what drives the knowledge workers to use the space and which are motivators and attractors in the office.
Monero Flores, Virna
core   +1 more source

Prediction and optimization of tool wear rate during electric discharge machining of Al/Cu/Ni alloy using adaptive neuro-fuzzy inference system

open access: yesHeliyon, 2020
Aluminum (Al)-copper (Cu)-nickel (Ni) alloy is a versatile material with lightweight and excellent strength. It also possesses properties such as superior corrosion resistance, fatigue strength. These alloys are essential in sectors viz.
Mangesh Phate   +3 more
doaj   +1 more source

ALTERNATYWIZM, DYSJUNKTYWIZM I PLURALIZM DOŚWIADCZENIOWY [PDF]

open access: yesStudia Humanistyczne AGH, 2018
W artykule krótko przedstawiono aksjomaty teorii wielości rzeczywistości Leona Chwistka (TWR), stanowiącej podstawę jego teorii teorii wielości rzeczywistości w sztuce (TWRS).
Paweł Jakub Zięba
doaj   +1 more source

Investigation of the Effect of Nano Powder Mixed Dielectric on EDM Process [PDF]

open access: yesEngineering and Technology Journal, 2020
In this paper, Artificial Neural Network was adopted to predict the effect of current, the concentration of aluminum oxide (Al2O3) and graphite Nanopowders in dielectric fluid for the machining of Carbon steel 304 using Electrical Discharge Machining ...
Rasha R. Elias
doaj   +1 more source

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