Results 31 to 40 of about 4,101,114 (282)

Climate and Land Degradation [PDF]

open access: yes, 2005
On the occasion of the Seventh session of the Conference of Parties, The World Meteorological Organization (WMO) has prepared this brochure which explains the role of different climatic factors in land degradation and WMO's contribution in addressing ...

core   +1 more source

Effect of enclosure on reproductive allocation of wheatgrass Agropyron mongolicum populations in desert steppes

open access: yesEcology and Evolution, 2019
Plants generally adopt different reproductive strategies to adapt to their environments and increase their fitness. Here, we studied the effects of enclosure cultivation on the reproductive allocation of a wheatgrass species Agropyron mongolicum in the ...
Guoqi Li   +5 more
doaj   +1 more source

Cost functions for degradation control of electric motors in electric vehicles [PDF]

open access: yes, 2015
This paper introduces a novel set of electric motor degradation cost functions based on energy usage, energy loss and work output, against their continuous operation rated values recommended by the manufacturer.
Longo, Stefano, Samaranayake, Lilantha
core   +1 more source

Platinum-containing compound platinum pyrithione suppresses ovarian tumor proliferation through proteasome inhibition

open access: yesJournal of Experimental & Clinical Cancer Research, 2017
Background Ovarian carcinoma is one of the most aggressive gynecological malignant neoplasms and makes up 25–30% of all cancer cases of the female genital tract.
Hongbiao Huang   +14 more
doaj   +1 more source

Natural Degradation: Polymer Degradation under Different Conditions

open access: yesPolymers, 2022
Natural degradation (ND) is currently one of the main directions of polymer research [...]
Alexandre A. Vetcher   +1 more
openaire   +3 more sources

Mild‐Photothermal Effect Induced High Efficiency Ferroptosis‐Boosted‐Cuproptosis Based on Cu2O@Mn3Cu3O8 Nanozyme

open access: yesAdvanced Science, 2023
A core‐shell‐structured Cu2O@Mn3Cu3O8 (CMCO) nanozyme is constructed to serve as a tumor microenvironment (TME)‐activated copper ionophore to achieve safe and efficient cuproptosis.
Wei Chen   +6 more
doaj   +1 more source

Degradation modeling applied to residual lifetime prediction using functional data analysis

open access: yes, 2011
Sensor-based degradation signals measure the accumulation of damage of an engineering system using sensor technology. Degradation signals can be used to estimate, for example, the distribution of the remaining life of partially degraded systems and/or ...
Gebraeel, Nagi   +2 more
core   +1 more source

Hyperglycemia triggers HIPK2 protein degradation [PDF]

open access: yes, 2016
Homeodomain interacting protein kinase-2 (HIPK2) is an evolutionary conserved kinase that modulates several key molecular pathways to restrain tumor growth and induce p53-depending apoptotic cell-death in response to anticancer therapies. HIPK2 silencing
Baldari, Silvia   +6 more
core   +2 more sources

Structure Characterization and Electrical Properties of Sn0.9Ga0.1P2O7/KH2PO4/KPO3 Composite Electrolyte for Medium Temperature Fuel Cells

open access: yesInternational Journal of Electrochemical Science, 2020
In this study, Sn0.9Ga0.1P2O7/KH2PO4/KPO3 was synthesized by solid-phase method. The sample was characterized by Raman spectrometer and X-ray diffractometer.
Yan Han   +5 more
doaj   +1 more source

Soil structural degradation and nutrient limitations across land use categories and climatic zones in Southern Africa [PDF]

open access: yes, 2019
Although soil degradation is a major threat to food security and carbon sequestration, our knowledge of the spatial extent of the problem and its drivers is very limited in Southern Africa.
Kihara, Job   +6 more
core   +1 more source

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