Results 81 to 90 of about 975,705 (292)

3D‐Printing Aided Rapid Prototyping of Pretensioned Tensegrity Structures for Robotic Applications

Advanced Robotics Research, EarlyView.
Printing, injection molding, and assembly (PMA) is a method for rapid prototyping mesoscale, topologically complex, and tensioned tensegrity structures. In combination with PMA method, two mold design strategies: modular mold and compact channel layout, enable efficiency and scalability for tensegrity fabrication.
Yi Sun, Jan Petrš, Omar Aloui, Dario Floreano   +3 more
wiley   +1 more source

Social contextual factors contributing to child and adolescent labor: an ecological analysis

Revista de Saúde Pública, 2011
OBJECTIVE: To examine the relationship between social contextual factors and child and adolescent labor. METHODS: Population-based cohort study carried out with 2,512 families living in 23 subareas of a large urban city in Brazil from 2000 to 2002.
Vilma Sousa Santana, Martha Suely Itaparica   +1 more
doaj   +1 more source

Explaining Variation in Child Labor Statistics [PDF]

Child labor statistics are critical for assessing the extent and nature of child labor activities in developing countries. In practice, widespread variation exists in how child labor is measured.
Bardasi, Elena, Beegle, Kathleen, Dillon, Andrew, Serneels, Pieter   +3 more
core  

“We Live Subject to their Orders”: A Three-Province survey of Forced Child Labor in Uzbekistan’s 2008 Cotton Harvest [PDF]

, 2009
This report highlights the continued use of forced child labor in the cotton industry in Uzbekistan in the fall 2008 harvest. While international pressure from retailers and consumers has had some effect in curbing forced child labor in the production of
International Labor Rights Forum
core   +1 more source

Challenges and Future Directions in Assessing the Quality and Completeness of Advanced Materials Safety Data for Re‐Usability: A Position Paper From the Nanosafety Community

Advanced Sustainable Systems, EarlyView.
Nanosafety data provide a guiding example for establishing best practices in data management, aligning with FAIR principles and quality criteria. This review explores existing quality assessment approaches for reliability, relevance, and completeness, emphasizing the need for harmonization and adaptation to nanomaterials and advanced materials. The aim
Verónica I. Dumit, Irini Furxhi, Penny Nymark, Antreas Afantitis, Ammar Ammar, Monica J. B. Amorim, Dalila Antunes, Svetlana Avramova, Chiara L. Battistelli, Gianpietro Basei, Cecilia Bossa, Emil Cimpan, Mihaela Roxana Cimpan, Dmitri Ciornii, Anna Costa, Camilla Delpivo, Maria Dusinska, Ana Sofia Fonseca, Steffi Friedrichs, Vasile‐Dan Hodoroaba, Danail Hristozov, Panagiotis Isigonis, Nina Jeliazkova, Nikolay Kochev, Eva Kranjc, Dieter Maier, Georgia Melagraki, Anastasios G. Papadiamantis, Tomasz Puzyn, Hubert Rauscher, Katie Reilly, Araceli Sánchez Jiménez, Janeck J. Scott‐Fordsmand, Neeraj Shandilya, Hyun Kil Shin, Gergana Tancheva, Jeaphianne P. M. van Rijn, Egon L. Willighagen, Ewelina Wyrzykowska, Martine I. Bakker, Damjana Drobne, Thomas E. Exner, Martin Himly, Iseult Lynch   +43 more
wiley   +1 more source

Simultaneous Decision Making of Child Schooling and Child Labour in Pakistani Urban Households

Lahore Journal of Economics
In recent years, there has been a rapidly expanding literature on child labor that provides empirical evidence on its nature and determinants. Previous literature on Pakistani child labor includes works by Khan (1982), Hussain (1985), Ahmed (1991), Khan
Karamat Ali and Rana Ejaz Ali Khan
doaj  

The macroeconomics of child labor regulation [PDF]

We develop a positive theory of the adoption of child labor laws. Workers who compete with children in the labor market support the introduction of a child labor ban, unless their own working children provide a large fraction of family income.
Fabrizio Zilibotti, Matthias Doepke
core  

Generalized Mechanism Model for Ecosystem Hysteresis

Advanced Science, EarlyView.
A simplified model examines ecosystem transitions into alternative states after disturbances by leveraging positive and negative feedbacks. It identifies critical tipping points and quantifies hysteresis. Tests conducted on lakes, grasslands, and pitcher‐plant leaves align closely with empirical data and enable the prediction of recovery trajectories ...
Yanbin Hao, Xin Wang, Jie Liu, Mingzi Wu, Jianqing Du, Kai Xue, Xiaoning Song, Xiaoyong Cui, Tong Zhao, Yanfen Wang   +9 more
wiley   +1 more source

Early Child Development and Maternal Labor Force Participation: Using Handedness as an Instrument [PDF]

We estimate the effect of early child development on maternal labor force participation using data from teacher assessments. Mothers might react to having a poorly developing child by dropping out of the formal labor force in order to spend more time ...
Frijters, Paul, Johnston, David W., Shah, Manisha, Shields, Michael A.   +3 more
core  

High‐Performance Ternary Organic Solar Cells via Isomeric Engineering of Nonfullerene Guest Acceptors

Advanced Science, EarlyView.
Two isomeric nonfullerene acceptors, BTP‐γ‐Br and BTP‐δ‐Br, were designed to investigate their effects on the optoelectronic properties and photovoltaic performance of ternary blends. Incorporating BTP‐γ‐Br into the D18:N3 binary system can enhance film crystallinity and suppress charge recombination, achieving a high PCE of 19.2% and a certified JSC ...
Zhenzhong Pan, Renjie Xu, Yuanyuan Jiang, Guangliu Ran, Kerui Liu, Wenkai Zhang, Meisu Zhou, Liheng Feng, Xiaozhang Zhu   +8 more
wiley   +1 more source