Results 71 to 80 of about 2,645,891 (207)

Mea culpa: revisiting the zooarchaeological perspective on the origins of metal use for quotidian activities at Jericho (Tel es-Sultan)

open access: yesFrontiers in Environmental Archaeology
The advent of hard tin-bronze metallurgy significantly changed the way in which metals are used during the Bronze Age from primarily display/prestige to quotidian/utilitarian technologies.
Haskel J. Greenfield   +1 more
doaj   +1 more source

Tackling cancer stemness with nanotechnology in the era of precision medicine

open access: yesBMEMat, EarlyView.
Precise customization of nanoparticles (NPs) enables active targeting of cancer stem cells (CSCs), thereby improving drug delivery and therapeutic efficacy. NP‐based probing enhances CSC detection through imaging and liquid biopsy, whereas diverse therapeutic payloads improve therapeutic outcomes.
Shaolei Guo   +9 more
wiley   +1 more source

Experimental methods in chemical engineering: Magnetometry

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Magnetometry is a non‐invasive technique to characterize the behaviour of magnetic materials of which the most common contain Fe, Co, and Ni. Vibrating sample magnetometers (VSMs) vibrate samples at a fixed frequency in a static, homogeneous magnetic field to induce a voltage in pick up coils according to Faraday's law of induction.
Michael Claeys   +3 more
wiley   +1 more source

Evaluation of Drillability of the Mahu Conglomerate Formation in Xinjiang, China

open access: yesEnergy Science &Engineering, EarlyView.
This graphical abstract illustrates the workflow for developing an optimized prediction model using measurement while drilling (MWD) data. A total of 90 MWD cases are divided into a training set (80%) and a test set (20%). Four logging‐while‐drilling parameters—compensation density, acoustic travel time, resistivity, and neutron porosity—are selected ...
Yun Xia   +8 more
wiley   +1 more source

Structural design and 3D printing of flexible integrated electronic systems

open access: yesFlexMat, EarlyView.
This review provides a comprehensive overview of design and integration strategies for individual components in flexible electronics, highlights the 3D‐printing fabrication techniques, and discusses recent advances in system‐level integration and their applications in real‐time monitoring and intelligent robotics.
Jiani Gong   +8 more
wiley   +1 more source

A chipped stone characterization of Ghwair I: A Neolithic village in southern Jordan

open access: yes, 1999
Ghwair I, a Pre-Pottery Neolithic B (PPNB) village in the Wadi Feinan in Southern Jordan, has been excavated from 1993 through 2000. The chipped stone recovered from Ghwair I (N = 48,388) has undergone a techno-typological analysis to help characterize ...
Gervasoni, John Patrick
core   +1 more source

Obsidian treatment technology in the Lengyel culture

open access: yesDocumenta Praehistorica
The article examines the treatment technology of the obsidian chipped stone industry, which, like the other findings, is mostly obtained from the major feature B15. The remains of an oven with a dome-shaped vault were also discovered inside it. Obsidian
Lucia Popovičová   +1 more
doaj   +1 more source

Geochemistry and Geochronology of Magmatic Rocks in Southwestern and Northeastern Cambodia: Implications for the Tectonic Evolution and Metallogenesis of the Loei Fold Belt

open access: yesGeological Journal, EarlyView.
The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang   +6 more
wiley   +1 more source

A preliminary typology of Aztec formal chipped stone tools

open access: yes, 2012
This preliminary typology of Aztec formal chipped stone tools was created taking into account the context in which the lithics were recovered, their morphology, and manufacturing processes.
Guyah, Timothy J.
core  

Interface Engineering of Boron Nitride–Polymer Composites for High Thermal Conductivity

open access: yesInformation &Functional Materials, EarlyView.
This review comprehensively discusses the impacts of interfacial design and fabrication strategies on boron nitride–polymer composites, and systematically classifies and summarizes recent advances in interfacial engineering based on the interaction modes between boron nitride fillers and polymer matrices.
Zhao Chen   +4 more
wiley   +1 more source

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