Results 41 to 50 of about 6,393,807 (299)

Spatial division of abandoned mine methane reservoir: Taking 12501 working face of Tunlan Coal Mine as an example

open access: yesMeitan kexue jishu, 2023
The accurate division of the disturbance space of abandoned mine methane(AMM) reservoir is an important basis for the evaluation, development and utilization of AMM resources. In this paper, taking the No.
YANG Zhaobiao   +6 more
doaj   +1 more source

Clinical Insights Into Hypercalcemia of Malignancy in Childhood

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Hypercalcemia of malignancy (HCM) is a rare but life‐threatening metabolic emergency in children that occurs in less than 1% of pediatric cancer cases, with a reported incidence ranging from 0.4% to 1.0% across different studies. While it is observed in 10%–20% of adult malignancies, pediatric HCM remains relatively uncommon.
Hüseyin Anıl Korkmaz
wiley   +1 more source

Reconstruction of 3D Conductive Networks in Metal‐Filled Elastomer Composites Indicates Dominance of Contact Resistances

open access: yesSmall Structures
Conductive polymer composites (CPCs) combine the stretchability of an elastomeric matrix with the electrical conductivity of a metallic filler. The 3D structure of this filler particle network (FPN) and the contact resistances between particles above ...
Dominik Perius   +4 more
doaj   +1 more source

A New Approach to Grouping Learners Based on Behavioral Engagement in CSCL Environments

open access: yesActa Infologica
In Computer-Supported Collaborative Learning (CSCL) environments, forming a group is essential for the success of the learning process. Furthermore, several studies on forming groups in CSCL environments have been conducted recently to form ones that ...
Souhila Zerdoudi   +3 more
doaj   +1 more source

Smart pooling: AI-powered COVID-19 informative group testing

open access: yesScientific Reports, 2022
Massive molecular testing for COVID-19 has been pointed out as fundamental to moderate the spread of the pandemic. Pooling methods can enhance testing efficiency, but they are viable only at low incidences of the disease.
María Escobar   +18 more
doaj   +1 more source

Survival Outcomes and Complications Among Canadian Children With Retinoblastoma: A Population‐Based Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Purpose Retinoblastoma (RB) is the most common pediatric ocular cancer, yet population‐based data on survival and risk factors remain limited. This study aimed to describe survival in a large national RB cohort and identify predictors of death and complications.
Samuel Sassine   +14 more
wiley   +1 more source

Study of the Microstructural Characteristics of Low-Rank Coal under Different Degassing Pressures

open access: yesEnergies, 2022
Low-rank coal samples from the Xishanyao Formation in the southern Junggar basin of Xinjiang were processed under different negative pressures in order to examine the microstructural characteristics of low-rank coal reservoirs. The pore structures of low-
Yuanzhen Ma   +4 more
doaj   +1 more source

Study of planktonic morphotype of the Abderaz Formation at type section, Iran [PDF]

open access: yes, 2009
Abderaz Formation at its type section with an age of Turonian-Early Campanian and a thickness of 300 m contains light grey shale and marl. The study of the planktonic foraminifera in isolated form led to differentiate three morphotype groups.
Meysam Shafiee Ardestani
core   +2 more sources

Heterogeneous Networks Underfoot: the Agency of Colorful Socks

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія: Соціологічні дослідження сучасного суспільства: методологія, теорія, методи
This article examines the role of objects as active agents in the production of social relations and group formation, using the case of colored socks in the Ukrainian context.
Vladyslav Tyaglo
doaj   +1 more source

Randomization tests for peer effects in group formation experiments

open access: yes, 2019
Measuring the effect of peers on individual outcomes is a challenging problem, in part because individuals often select peers who are similar in both observable and unobservable ways.
Basse, Guillaume   +3 more
core   +1 more source

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