Comparison of active interrogation methods for source location in a scattering and absorbing medium, consisting of PGNAA, and an AmBe quasi-forward biased directional source.

Source location of Special Nuclear Material (SNM) encompassing 95% U and Pu is identified by utilizing a directional source from Patent No: US20190013109A1 using Prompt Gamma Neutron Activation Analysis (PGNAA) and neutron spectroscopy simulated with Monte-Carlo N-Particle transport 6.2 (MCNP). BC-408, HPGe, LaBr detector arrays were used to identify the location of the SNM using total counts incident on each detector, and PGNAA photopeaks from HPGe and LaBr detector arrays in a polyethylene shield.

Active interrogation of Special Nuclear Material containers using AmBe quasi-forward biased directional source and PGNAA.

Special Nuclear Material (SNM) including 95% U and Pu is capable of being identified by utilizing a quasi-forward directional AmBe source from Patent No: US20190013109A1 using Prompt Gamma Neutron Activation Analysis (PGNAA) simulated with Monte-Carlo N-Particle transport 6.2 (MCNP). HPGe and LaBr detector arrays were used to identify and quantify the peak-to-background and peak-to-total ratios of the associated photon spectra from the SNM encased in a polyethylene shield.

Building Blocks for Healthy Children: Evaluation of a Child Care Center-Based Obesity Prevention Pilot Among Low-Income Children.

Objective: To assess the impact of a multilevel nutrition intervention for low-income child care environments, staff, and center-enrolled children.

Design: A cluster-randomized, controlled trial conducted among eligible centers. Staff and parent self-report surveys and objective field observations at baseline and follow-up were conducted.

Examining Nutrition and Physical Activity Policies and Practices in Maryland's Child Care Centers.

Background: Child care settings provide opportunities for obesity prevention by implementing nutrition/physical activity best practices. This study examines how center policies, provider training, family education, and center demographics relate to best practices for nutrition/physical activity in Maryland's child care centers.

Methods: A survey, including minor modifications to The Nutrition and Physical Activity Self-Assessment for Child Care (Go NAP SACC), was sent by e-mail to center directors statewide.

Queensland nurses' attitudes towards and knowledge of the legislative duty to report child abuse and neglect: results of a state-wide survey.

In 2005, legislation commenced requiring Queensland nurses to make reports of suspected child abuse and neglect to government child protection authorities. This development further harmonised Australian mandatory reporting laws and their application to the nursing profession, although inconsistencies still exist between States and Territories. As indicated by research published in 2006, little is known about nurses and the reporting of child abuse and neglect.