Results 81 to 90 of about 196,165 (299)
Deep Space Station (DSS-13) automation demonstration [PDF]
The data base collected during a six month demonstration of an automated Deep Space Station (DSS 13) run unattended and remotely controlled is summarized. During this period, DSS 13 received spacecraft telemetry data from Voyager, Pioneers 10 and 11, and
Lorden, G., Remer, D. S.
core +1 more source
In this study, we found that human cervical‐derived adipocytes maintain intracellular iron level by regulating the expression of iron transport‐related proteins during adrenergic stimulation. Melanotransferrin is predicted to interact with transferrin receptor 1 based on in silico analysis.
Rahaf Alrifai +9 more
wiley +1 more source
The investigative work is based on the detection of hot spots in the 13.8 KV distribution line system, from the Sanabacid 1 San Placido feeder, the Playa Prieta - Piedra Azul substation of the CNEL - EP Manabí Business, elaborated with the professional ...
Italo Navarrete García +4 more
doaj +1 more source
A production model and maintenance planning model for the process industry [PDF]
In this paper a model is developed to simultaneously plan preventive maintenance and production in a process industry environment, where maintenance planning is extremely important.
Ashayeri, J., Selen, W.J., Teelen, A.
core +1 more source
Calpain small subunit homodimerization is robust and calcium‐independent
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley +1 more source
Software maintenance in scientific and engineering environments: An introduction and guide [PDF]
The purpose of software maintenance techniques is addressed. The aims of perfective, adaptive and corrective software maintenance are defined and discussed, especially in the NASA research environment. Areas requiring maintenance, and tools available for
Wright, David
core +1 more source
Maintenance and Production Scheduling on a Single Machine with Stochastic Failures [PDF]
In this paper we study the problem of determining a production schedule for an order of n jobs on a single machine which is subject to stochastic machine failures.
Kiesmüller, Gudrun P. +1 more
core
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel +13 more
wiley +1 more source
Technological maintenance process of technical equipments in hierarchical organized systems
In this paper, the characteristics of the productive and technological process of maintenance in the hierarchical business systems are described.
Jugoslav Kodžopeljić
doaj +1 more source

