Results 1 to 10 of about 565,672 (242)

PUNISHMENT DRILL. [PDF]

open access: greenThe Lancet, 1876
n ...
D. L. Duckworth
openalex   +3 more sources

Design and Development of a Warning System for Seed Blockage in a One Row Grain Drill [PDF]

open access: yesJournal of Agricultural Machinery, 2021
Introduction The use of new technology in planters is one of the most important factors in the advancement of agricultural science. In the present study, an electronic warning system has been designed and implemented to prevent large seeds from falling ...
O Esmand   +2 more
doaj   +1 more source

Mental health parity legislation: Anticipating costs and benefits [PDF]

open access: yesFarmeconomia: Health Economics and Therapeutic Pathways, 2012
Arlene Smaldone, Mary Cullen-Drill
doaj   +4 more sources

Classifying the surrounding rock of tunnel face using machine learning

open access: yesFrontiers in Earth Science, 2023
Accurately classifying the surrounding rock of tunnel face is essential. In this paper, we propose a machine learning-based automatic classification and dynamic prediction method of the surrounding rocks of tunnel face using the data monitored by a ...
Shubao Song   +7 more
doaj   +1 more source

Creation of promising technologies for producing holes in parts of a high-frequency ion engine

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
The article considers application areas of various machining methods for perforating holes in parts with unpredictable surface fluctuations. The most effective methods of obtaining holes in parts of a high-frequency ion engine are shown.
A. Yu. Ryazantsev   +2 more
doaj   +1 more source

PENINGKATAN KOMPETENSI KONSTRUKSI BALOK SEDERHANA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING DIPADUKAN DENGAN METODE DRILL

open access: yesJurnal Pensil, 2021
Abstrak Tujuan penelitian ini adalah untuk meningkatkan kompetensi menghitung konstruksi balok sederhana melalui model Problem Based Learning dipadukan dengan Metode Drill.
Windri Eka Candri
doaj   +1 more source

Numerical Simulations and Experiments on Single-Tooth Rock-Breaking

open access: yesMachines, 2022
The rock-breaking efficiency of a drilling tool directly affects the production costs and progress of foundation construction. It is essential to understand the mechanism of mechanical rock-breaking to improve rock-breaking efficiency.
Heyuqiu Li   +5 more
doaj   +1 more source

Difficult birth of the agent. Memory of the body, identity and social competence

open access: yesAnaliza i Egzystencja, 2021
Body memory is a relatively new philosophical notion, entangled in interiorization of the past – paradoxically this entanglement liberates the individual from the dictature of the present flow and enables her/his autonomy.
Magdalena Żardecka
doaj   +1 more source

Analysis of drilling conditions by a catalog mining method based on Fuzzy c-means algorithm

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2020
To support the engineer in the selection of drills and their machining parameters, we propose a novel catalog mining system based on data mining techniques applied on drill catalogs by using twice the Fuzzy c-means method along with the Maximum ...
Claire-Amelie JANOT   +5 more
doaj   +1 more source

Effect of Bit Configuration in Impact Penetration Tests with Button Bits

open access: yesJournal of MMIJ, 2016
Computer simulation of percussive rock drilling requires appropriate numerical models for the interactions among the drill body, rod, rod joint, bit, and rock.
Yingzong LIANG   +4 more
doaj   +1 more source

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