Results 71 to 80 of about 555,187 (313)

L’appareil éditorial au service de la photographie

open access: yesFocales
A "new photographic edition" can be recognized by its spirit and the way it conveys its subject: photography. Obviously artistic, this photographic writing is built upon three pillars: the publisher's website, a true showcase for these works, where the ...
Pascal Krajewski
doaj   +1 more source

Indoor thermal performance evaluation of Daystar solar collector [PDF]

open access: yes
The test procedures used and results obtained from a test program to obtain thermal performance data on a Daystar Model 21B, S/N 02210, Unit 2, liquid solar collector under simulated conditions are described.
Shih, K., Sr.
core   +1 more source

Quantum Coupon Collector

open access: yesCoRR, 2020
17 pages ...
Srinivasan Arunachalam   +5 more
openaire   +4 more sources

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

Improvement of device characteristics by multiple step implants or introducing a C gettering layer [PDF]

open access: yes, 1992
Ion implantation is used for realization of the collector in vertical bipolar transistors in a BiCMOS process. Secondary defects, remaining after annealing the implant damage, can give rise to an increased leakage current and to collector-emitter shorts.
Custer, J.S.   +4 more
core   +3 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Mass Distribution of Organic Carbon, S-Containing Compounds and Heavy Metals During Flotation of Municipal Solid Waste Incineration Fly Ash

open access: yesRecycling
Flotation was investigated to treat incineration fly ash with diesel, kerosene, TX-100, or SDS as a collector and methyl isobutyl carbinol (MIBC) or 2-Octyl alcohol as a frother. Fly ash was separated into light and residual materials.
Weifang Chen   +3 more
doaj   +1 more source

REGULARITIES OF CHANGE OF EFFICIENCY OF OIL WELLS OF THE FIELD OF VELICHAEVSKO-KOLODEZNE

open access: yesВестник Северо-Кавказского федерального университета, 2022
In article comparison of various geological parameters of oil pools to level of production of hydrocarbons on wells is carried out. On the actual material extent of influence of various geological factors at sizes of efficiency of oil wells is estimated.
Mikhail V. Nelepov   +2 more
doaj  

Large-scale solar thermal collector concepts [PDF]

open access: yes, 1975
Thermal collector could be used ultimately to power steamplant to produce electricity. Collector would consist of two major subsystems: (1) series of segmented tracking mirrors with two axes of rotation and (2) absorber mounted on centrally located ...
Brantley, L. W., Jr.
core   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

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