Results 111 to 120 of about 847,355 (293)

On the Frequency Dependency of Radio Channel's Delay Spread: Analyses and Findings From mmMAGIC Multi-frequency Channel Sounding

open access: yes, 2017
This paper analyzes the frequency dependency of the radio propagation channel's root mean square (rms) delay spread (DS), based on the multi-frequency measurement campaigns in the mmMAGIC project.
Bamba, Aliou   +9 more
core   +1 more source

Pioglitazone plus (−)‐epigallocatechin gallate: a novel approach to enhance osteogenic performance in aged bone marrow mesenchymal stem cells

open access: yesFEBS Open Bio, EarlyView.
Aged human bmMSCs are seeded in the scaffold. Osteoblastic induction can slightly increase cell's bone‐forming activity to produce bone‐like tissues, shown as the sporadic xylenol orange‐stained spots (the lower left image). Notably, pioglitazone plus EGCG co‐treatment dramatically increases cell's bone‐forming activity and bone‐like tissue production (
Ching‐Yun Chen   +6 more
wiley   +1 more source

On the design of a wireless multi-antenna monitoring system [PDF]

open access: yes, 2004
In this paper we investigate the design of a wireless monitoring system. This system consists of several wireless monitoring units, each transmitting data collected from sensors. This data is received and processed at a central control unit.
Cronie, Harm S., Hofstra, Klaas L.
core   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Determination of economically justified parameters of synchronous disconnection at low-voltage circuit switching via a synchronous vacuum contactor

open access: yesElectrical engineering & Electromechanics, 2014
Dependence of a single switching procedure cost upon the contact opening delay time and delay-time spread is derived for a low-voltage synchronous vacuum contactor.
A.V. Verkhola
doaj  

RMS Delay Spread vs. Coherence Bandwidth from 5G Indoor Radio Channel Measurements at 3.5 GHz Band. [PDF]

open access: yesSensors (Basel), 2020
Debaenst W   +4 more
europepmc   +1 more source

Equilibrium in a market with intermediation is Walrasian [PDF]

open access: yes, 1994
We show that a profit maximizing monopolistic intermediary may behave approximately like a Walrasian auctioneer setting bid and ask prices nearly equal to Walrasian equilibrium prices.
Wooders, John
core   +1 more source

Multi‐omics and low‐input proteomics profiling reveals dynamic regulation driving pluripotency initiation in early mouse embryos

open access: yesFEBS Open Bio, EarlyView.
Mouse pre‐implantation development involves a transition from totipotency to pluripotency. Integrating transcriptomics, epigenetic profiling, low‐input proteomics and functional assays, we show that eight‐cell embryos retain residual totipotency features, whereas cytoskeletal remodeling regulated by the ubiquitin‐proteasome system drives progression ...
Wanqiong Li   +8 more
wiley   +1 more source

Extending UWOC System Applications through Photon Transmission Dynamics Study in Harbor Waters

open access: yesApplied Sciences
Underwater wireless optical communication (UWOC) in harbor waters can facilitate real-time monitoring underwater instruments for environmental monitoring, underwater inspection, and maintenance tasks.
Chang Chang   +8 more
doaj   +1 more source

Jitter in DLL-Based Clock Multipliers caused by Delay Cell Mismatch [PDF]

open access: yes, 2002
This paper describes the jitter problem in\ud DLL-based clock multipliers that arises due to stochastic\ud mismatch in the delay cells that are used in the Voltage Controlled\ud Delay Line of the DLL [1].
Beek, R.C.H. van de   +3 more
core   +2 more sources

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