Results 1 to 10 of about 692,283 (120)

Research on the development of three-dimensional visual management system for mines: A case study of Chongqing Shuijiang aluminum mine [PDF]

open access: yesE3S Web of Conferences, 2023
In recent years, problems such as unclear mine mining data and illegal mining have brought challenges to mine safety production, ecological environment restoration and mineral resources management.
Li Yinghong   +6 more
doaj   +1 more source

Simultaneous Determination of 15 Mycotoxins in Grains by Solid Phase Extraction with Impurity Adsorption and UPLC/MSMS

open access: yesLiang you shipin ke-ji, 2021
To establish a method for the simultaneous determination of 15 mycotoxins in grains by ultra performance liquid chromatography tandem mass spectrometry (UPLC/MSMS).
LIU Xiao-xiao   +6 more
doaj   +1 more source

Graphene-based nanomaterials for stimuli-sensitive controlled delivery of therapeutic molecules

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Stimuli-responsive drug delivery has attracted tremendous attention in the past decades. It provides a spatial- and temporal-controlled release in response to different triggers, thus enabling highly efficient drug delivery and minimizing drug side ...
Elnaz Khakpour   +4 more
doaj   +1 more source

Exogenous DCPTA Treatment Increases Mung Bean Yield by Improving Carbon Metabolism Pathway and Up-Regulating Photosynthetic Capacity and Antioxidants

open access: yesFrontiers in Plant Science, 2022
Mung bean is characterized by having a good edible and medicinal value, while its flowers and pods have low production. Being a tertiary amine, DCPTA [2-(3,4-dichlorophenoxy) triethylamine] substantially regulates the growth and development of crops ...
Yuling Gao   +24 more
doaj   +1 more source

Local economic development in theories of regional economies and rural studies [PDF]

open access: yesEkonomika Poljoprivrede (1979), 2016
In this paper is a detailed analysis of the basics in the theory of economic development during the period from mid last century until today. It states the most significant theories, points out their ranges, offers a critical review regarding their ...
Kačar Bahrija   +2 more
doaj   +1 more source

Impact of Exogenous Melatonin Application on Photosynthetic Machinery under Abiotic Stress Conditions

open access: yesPlants, 2023
Inhospitable conditions that hinder plant growth and development encompass a range of abiotic stresses, such as drought, extreme temperatures (both low and high), salinity, exposure to heavy metals, and irradiation.
Sameera Karumannil   +3 more
doaj   +1 more source

The effects of age on cerebral activations: internally versus externally driven processes

open access: yesFrontiers in Aging Neuroscience, 2012
Numerous studies using functional magnetic resonance imaging (fMRI) have described increased or decreased regional brain activations in older as compared to younger adults.
Sien eHu   +4 more
doaj   +1 more source

Endogenous and Exogenous Stimuli-Responsive Drug Delivery Systems for Programmed Site-Specific Release

open access: yesMolecules, 2019
In this study, we reviewed state-of-the-art endogenous-based and exogenous-based stimuli-responsive drug delivery systems (DDS) for programmed site-specific release to overcome the drawbacks of conventional therapeutic modalities.
Ali Raza   +5 more
doaj   +1 more source

Attention and predictions: control of spatial attention beyond the endogenous-exogenous dichotomy

open access: yesFrontiers in Human Neuroscience, 2013
The mechanisms of attention control have been extensively studied with a variety of methodologies in animals and in humans. Human studies using non-invasive imaging techniques highlighted a remarkable difference between the pattern of responses in dorsal
Emiliano eMacaluso   +2 more
doaj   +1 more source

Associations and Dissociations between Oculomotor Readiness and Covert Attention

open access: yesVision, 2019
The idea that covert mental processes such as spatial attention are fundamentally dependent on systems that control overt movements of the eyes has had a profound influence on theoretical models of spatial attention. However, theories such as Klein’
Soazig Casteau, Daniel T. Smith
doaj   +1 more source

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