Results 101 to 110 of about 7,887,672 (307)
Method and apparatus for measuring minority carrier lifetime in a direct band-gap semiconductor [PDF]
, 1987 A direct band-gap semiconductor is exposed to intensity-modulated photon radiation having a characteristic energy at least as great as the energy gap of the semiconductor. This produces a time dependent concentration of excess charge carriers through the
Vonroos, Oldwig
core +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Study on the Balise Antenna Interference Problem on Nanjing Metro Line 7
Chengshi guidao jiaotong yanjiuObjective Due to the complex installation environment of the train in actual application, the balise antenna is subject to varying degrees of interference, sometimes even affecting its normal operation.
HE Yuqin, XIE Wei
doaj +1 more source
Modified fast frequency acquisition via adaptive least squares algorithm [PDF]
, 1992 A method and the associated apparatus for estimating the amplitude, frequency, and phase of a signal of interest are presented. The method comprises the following steps: (1) inputting the signal of interest; (2) generating a reference signal with ...
Kumar, Rajendra
core +1 more source
Mapping the evolution of mitochondrial complex I through structural variation
FEBS Letters, EarlyView.Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin +2 more
wiley +1 more source
Chengshi guidao jiaotong yanjiuObjective The turnout friction current on-site testing and adjustment involve three major unfavorable aspects of complex processes and high risks, high professional requirements for maintenance personnel, and significant subjective component in ...
Xiaoli QIU +3 more
doaj +1 more source
FEBS 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
Reconfiguring redundancy management [PDF]
, 1982 A redundancy management system is described wherein input signals from a sensor are provided redundantly in parallel so that a primary control signal may be selected. Median value signals for groups of three sensors are detected in median value selectors
Gelderloos, H. J. C.
core +1 more source
Organoids in pediatric cancer research
FEBS 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
Signal conditioner test set [PDF]
, 1973 Compact, light-weight, solid-state test set can be used to check signal conditioning modules while they are installed in system. Test sets may also be used to cycle ground computer, if it is suspected of malfunctioning, rather than using signal ...
Houck, W. H., Stiberg, J. D.
core +2 more sources