Results 41 to 50 of about 719,062 (315)
Velocity structure tomography analysis in southern Hebei Province
地震科学进展The destruction of cratons is one of the key research objects of geophysicists. According to China Earthquake Networks Center, small and medium-sized earthquakes have occurred more frequently in southern Hebei in recent years than before.
Shi Wang +3 more
doaj +1 more source
Bioaccumulation of PCBs and PBDEs in Fish from a Tropical Lake Chapala, Mexico
Toxics, 2021 Lake Chapala is the largest natural freshwater reservoir in Mexico and the third largest lake in Latin America. Lakes are often considered the final deposit of polluting materials; they can be concentrated in the organisms that inhabit them, the water ...
Ernesto Oregel-Zamudio +4 more
doaj +1 more source
How do drying and rewetting events affect nutrient fluxes and bacteria dynamics in subtropical estuarine sediments? [PDF]
, 2018 Drying and rewetting occur frequently in coastal marsh sediments due to oscillations of rising and falling tides, and episodic droughts and floods. Similarly, drying events also occur within freshwater systems due to changing precipitation patterns ...
Jenkins, Jason D.
core +1 more source
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source
Determination of the source location of the 2023 Jishishan M6.2 earthquake in Gansu Province
地震科学进展Based on the P-phase arrival time, we determined the source location of the Jishishan M6.2 earthquake with simulated annealing (SA) method, and quantitatively evaluated the reliability of the results using sample set statistical analysis method.
Zhiyuan Zhao +3 more
doaj +1 more source
Transactions of the Karelian Research Centre of the Russian Academy of Sciences, 2015 Diatom assemblages in Lake Imandra sediments (Kola Peninsula) were investigated in the area affected by heated discharges from the Kola NPP. Diatoms responses to the environmental changes were analyzed; the main stages in the lake ecosystem development ...
Dmitry Denisov +2 more
doaj +1 more source
Geosciences, 2021 Geological contexts that lack minimal stratigraphic and piezometric information can be challenging to produce an initial hydrogeological map in remote territories.
Yan Lévesque +2 more
doaj +1 more source
Exhumation of the Sierra de Cameros (Iberian Range, Spain): constraints from low-temperature thermochronology [PDF]
, 2008 We present new fission-track and (U–Th)/He data from apatite and zircon in order to reconstruct the exhumation of the Sierra de Cameros, in the northwestern part of Iberian Range, Spain. Zircon fission-track ages from samples from the depocentre of the
Casquet +17 more
core +2 more sources
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
Analysis on intelligent upgrading and transformation of seismic stations in Hebei Province
地震科学进展With the increasing number of earthquake stations and scaling up of unmanned stations, the traditional operation and maintenance mode of stations is facing various challenges such as frequent power supply, communication, and instrument failures.
Qin Tian, Kainan Chen, Pengjie Zhang
doaj +1 more source