Results 101 to 110 of about 70,919 (340)

Road Equipment Procurement and Utilization Study, October 2002 [PDF]

open access: yes, 2002
Final report of road equipment procurement and utilization ...

core  

Impact of Hot Isostatic Pressing on Microstructure Evolution and Creep Performance of Powder Bed Fusion–Laser Beam Processed CM247LC

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of Hot Isostatic Pressing (HIP) temperature on the microstructure and creep performance of powder bed fusion–laser beam processed CM247LC superalloy is investigated. Grain growth and γ’ precipitate evolution are characterized following HIP at varying temperatures.
Ahmed Fardan   +4 more
wiley   +1 more source

Improving machine dynamics via geometry optimization

open access: yes, 2011
The central thesis of this paper is that the dynamic performance of machinery can be improved dramatically in certain cases through a systematic and meticulous evolutionary algorithm search through the space of all structural geometries permitted by ...
Sobester, Andras   +2 more
core   +1 more source

Pengaruh Mindful Parenting Terhadap Parental Involvement Melalui Penurunan Stres Pengasuhan pada Orang Tua dengan Anak Berkebutuhan Khusus [PDF]

open access: yes, 2023
Parental Involvement sangat dibutuhkan oleh anak berkebutuhan khusus dalam kehidupan sehari-hari. Parental involvement dipengaruhi oleh keadaan psikologis orang tua.
Nikmatunasikah, Kintan
core  

Ag Cluster‐Modified K0.5Na0.5NbO3 Piezocatalyst for Enhanced Electrochemical Dinitrogen Reduction Reaction

open access: yesAdvanced Engineering Materials, EarlyView.
Ag cluster‐modified K0.5Na0.5NbO3 acts as an efficient piezocatalyst for electrochemical N2 reduction, enhanced by built‐in electric fields under mechanical actuation. Comparative studies between static and actuated electrodes reveal improved performance under dynamic conditions.
Benedict Witulski   +7 more
wiley   +1 more source

Aerial, ground and chemigation spray deposition on corn for the control of spodoptera frugiperda (lepidoptera: noctuidae) Deposição de calda por aplicação aérea, terrestre e via água de irrigação na cultura do milho para o controle de Spodoptera frugiperda (Lepidoptera: Noctuidae)

open access: yesCiência e Agrotecnologia, 2013
Pesticides can be applied by aircraft, ground-sprayers or sprinkler irrigation. However, selecting the best option is complicated by the limited number of studies comparing these techniques.
João Paulo Arantes Rodrigues da Cunha   +1 more
doaj  

Chemical Weed Control in Field Crops [PDF]

open access: yes, 1953
PDF pages ...
Willard, C. J.
core  

Determination of pesticides in the respirable fraction of airborne particulate matter by high-performance liquid chromatography–tandem mass spectrometry [PDF]

open access: yes, 2017
Potential harmful effects of pesticides include risks to human health of workers involved in the wet spray application in cultivated areas. Inhalation exposure depends on several factors including pesticide concentrations in the respirable fraction of ...
Buiarelli, Francesca   +7 more
core   +1 more source

Study of the Effect of Process Parameters and Heat Treatment on the Formation and Evolution of Directed Energy Deposition of IN718‐CuCrZr Interface

open access: yesAdvanced Engineering Materials, EarlyView.
Bimetallic structures of Inconel 718 and CuCrZr are fabricated using the laser powder directed energy deposition method. The study reveals a strong dependence of interface characteristics such as width and interfusion on processing and heat treatment strategies.
Hamidreza Javidrad, Bahattin Koc
wiley   +1 more source

UJI DISTRIBUSI SEMPROTAN SPRAYER PESTISIDA DENGAN PATTERNATOR BERBASIS WATER LEVEL DETECTOR

open access: yesJurnal Teknik Pertanian Lampung, 2020
The research aimed to examine droplet distribution using a knapsack sprayer with a water level detector-based patternator. The tests consist of measuring spraying discharge, effective spray wide and height, droplet distribution patterns and areas, and ...
Agus Dharmawan, Siswoyo Soekarno
doaj   +1 more source

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