Results 91 to 100 of about 156,182 (239)

Phosphorus Immobilization in Poultry Litter and Litter-amended soils with Aluminum, Calcium and Iron amendments [PDF]

open access: yes, 1994
Arkansas produces approximately one billion broilers each year. Phosphorous (P) runoff from fields receiving poultry litter is believed to be one of the primary factors affecting water quality in Northwest Arkansas.
Daniels, T. C.   +2 more
core   +2 more sources

CFD Analysis of Dual‐Layer PCM Roofs for Thermal Mitigation in Residential Buildings

open access: yesHeat Transfer, EarlyView.
ABSTRACT This study presents a computational fluid dynamics analysis of dual‐layer phase change material (PCM) roofs for passive cooling in residential buildings under the hot and humid climate of Bangladesh. A three‐dimensional transient model was developed in ANSYS Fluent using the enthalpy–porosity approach to simulate coupled heat conduction ...
Mohammad Junaid   +6 more
wiley   +1 more source

3D‐Printed Models in Oral Surgery Simulation Training: A Scoping Review

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Background Advancements in three‐dimensional (3D) printing have introduced innovative tools for medical and dental education. In dental surgery, 3D‐printed simulation models offer valuable presurgical training. This review explores the scope, study types, key findings, limitations, and future research needs to enhance their application in ...
Shahrzad Rahimizadeh Nahavandi   +5 more
wiley   +1 more source

Impact of gypsum type on the setting and hardening performance and mechanism of water-rich filling materials

open access: yes工程科学学报, 2015
As for the problem that different gypsum types have different influence on the condensation performance of water-rich filling materials,micro experiments,such as X-ray diffraction,scanning electron microscopy and infrared spectroscopy,were used to ...
LIU Juan-hong   +4 more
doaj   +1 more source

Hyperspectral imaging applied to end-of-life (EOL) concrete recycling [PDF]

open access: yes, 2015
The recovery of materials from DW is an important target of the recycling industry and it is important to know which materials are presents in order to set up efficient sorting and/or quality control actions.
Bonifazi, Giuseppe   +2 more
core   +1 more source

Evaluating the Effectiveness of 3D‐Printed Models in Tooth Morphology Training for Students

open access: yesJournal of Dental Education, EarlyView.
ABSTRACT Purpose/Objectives Tooth morphology is a fundamental aspect of dental education, essential for various clinical disciplines. Traditional teaching methods, such as 2D visualizations, gypsum models, and wax or soap carving, have been widely used to develop students’ spatial understanding and manual skills.
Ivet Dzhondrova   +5 more
wiley   +1 more source

A Novel Approach of Semi‐Quantifying Gypsum in Sedimentary Rocks by Visible and Near‐Infrared Diffuse Reflectance Spectroscopy

open access: yesGeochemistry, Geophysics, Geosystems
Gypsum is one of the major evaporite minerals that can be used as a sensitive archive for past climate change, revealing variations in the hydrological cycle and dry‐wet climatic alternations. Measuring variations in gypsum content, rapidly and with high
Jingyu Zhang   +8 more
doaj   +1 more source

Selecting Promising Soil Quality Indicators for Monitoring Soil Management Effects Based on 10 European Long‐Term Field Experiments

open access: yesJournal of Plant Nutrition and Soil Science, EarlyView.
ABSTRACT Background: Soil quality can be measured through soil quality indicators that reflect soil processes. Aim: The aim of this study was to (1) identify a limited set of soil quality indicators that are most sensitive to agricultural soil management and that are widely applicable regardless of pedo‐climatic conditions, and (2) link common ...
Giulia Bongiorno   +14 more
wiley   +1 more source

Study and Discussion on Preparation of Hemihydrate Gypsum by Salt Solution Method

open access: yesKuangchan zonghe liyong
This is an article in the field of mineral materials. The utilization of desulfurized gypsum (FGD) to prepare more widely used hemihydrate gypsum plays a very important role in the resource utilization of industrial by-product gypsum.
Jiyan QU   +4 more
doaj   +1 more source

Nitrogen rates shaping rice yield and groundwater nitrate in the Jamuna River basin of north central Bangladesh

open access: yesJSFA reports, EarlyView.
Abstract Background Understanding how varying nitrogen fertilizer rates influence both rice productivity and groundwater nitrate contamination is critical for ensuring sustainable crop production and environmental protection in the Jamuna River Basin of north‐central Bangladesh.
Md. Israfil Haq   +4 more
wiley   +1 more source

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