Results 121 to 130 of about 343,317 (298)

Catalyzers for Social Insurance: Education Subsidies vs. Real Capital Taxation [PDF]

open access: yes
To analyze the optimal social insurance package, we set up a two-period life-cycle model with risky human capital investment, where the government has access to labor taxation, education subsidies and capital taxation.
Hongyan Yang, Dirk Schindler
core  

Large Language Model‐Based Chatbots in Higher Education

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
The use of large language models (LLMs) in higher education can facilitate personalized learning experiences, advance asynchronized learning, and support instructors, students, and researchers across diverse fields. The development of regulations and guidelines that address ethical and legal issues is essential to ensure safe and responsible adaptation
Defne Yigci   +4 more
wiley   +1 more source

Zinc fever in a painter and varnisher: a case report

open access: yesJournal of Medical Case Reports
Background Zinc fever is well described in medical literature, particularly in workers after handling zinc-containing materials at high temperatures e.g., in the welding of hot-dip galvanized steel sheets.
Kerstin Belting   +4 more
doaj   +1 more source

Frequency-Range-Specific Hand–Arm Vibration Exposure and the Risk of Musculoskeletal Disorders of the Upper Extremities: The German Hand–Arm Vibration Study

open access: yesVibration
To quantify the effect of frequency-range-specific hand–arm vibration (FRS-HAV) exposure on the risk of musculoskeletal disorders of the upper limb (UMSDs), we performed an analysis among the study sample of the German Hand–Arm Vibration Study. In total,
Yi Sun   +6 more
doaj   +1 more source

Social Security: An Essential Asset and Insurance Protection for All [PDF]

open access: yes, 2008
Synthesizes twelve organizations' research and outreach to provide a primer on Social Security. Assesses its value to retirees, working families, and communities of color; its growing role as insurance; and implications for policy debates and ...
Robert Rosenblatt
core  

Retinal Vessel Segmentation: A Comprehensive Review From Classical Methods to Deep Learning Advances (1982–2025)

open access: yesAdvanced Intelligent Systems, EarlyView.
Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal   +6 more
wiley   +1 more source

Human biomonitoring of neonicotinoid exposures: case studies after the use of a spray-agent to ornamental plants and a topical medication to pets

open access: yesFrontiers in Public Health
Acetamiprid (ACE) and imidacloprid (IMI) are insecticides of global importance and are used as spray and watering agents for ornamental plants to control biting and sucking insects or as topical medications on pets to remove and control fleas.
Sonja A. Wrobel   +6 more
doaj   +1 more source

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