Results 21 to 30 of about 223,185 (310)

Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]

open access: yes, 2019
Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O   +3 more
core   +1 more source

Laboratory studies on electrical effects during volcanic eruptions

open access: yesAnnals of Geophysics, 1999
This laboratory study reports on electrical phenomena during the explosive eruption of a basaltoid silicate melt. Contact electricity is produced in the phase of thermo-hydraulic fracturing of magma during the explosive interaction with water.
R. Büttner, B. Zimanowski, H. Röder
doaj   +1 more source

The Effect of Plyometric Training on the Speed, Agility, and Explosive Strength Performance in Elite Athletes

open access: yesApplied Sciences, 2023
The purpose of this study was to evaluate the speed, agility, and explosive strength performance of elite basketball players over an 8-week plyometric training program.
Hsuan Huang, Wei-Yang Huang, Cheng-En Wu
doaj   +1 more source

Force-velocity relationship profile of elbow flexors in male gymnasts [PDF]

open access: yesPeerJ, 2021
Background The theoretical maximum force (F0), velocity (V0), and power (Pmax) of athletes calculated from the relationship between force and velocity (F-V relationship) and the slope of the F-V relationship, reflect their competitive and training ...
Miyuki Nakatani   +3 more
doaj   +2 more sources

INFLUENCE OF ANTHROPOMETRIC CHARACTERISTIC IN MANIFESTATION EXPLOSIV FORCE OF FOOTBALLERS AGE [PDF]

open access: yesSport Mont, 2011
With a purpose to investigate the influence of anthropometric characteristic in manifestation explosive force were organized one experimental study with one Sample from 120 footballer age 16 ± for six months, For purposes of this study were used ...
Ibri Lulzim   +3 more
doaj  

Comportamiento de la fuerza explosiva en las karatecas de la categoría 11-12 años en Cienfuegos

open access: yesRevista Metropolitana de Ciencias Aplicadas, 2021
El Karate-Do es un arte marcial y necesita de la fuerza explosiva que permite la ejecución de la mayoría de los movimientos de las karatecas, esta se debe entrenar porque se realizan acciones explosivas en el Kumite (combate cuerpo a cuerpo) y en los ...
Aliuska Suárez Calderón   +2 more
doaj  

Effect of plyometric training on swimming block start performance in adolescents [PDF]

open access: yes, 2009
This study aimed to identify the effect of plyometric training (PT), when added to habitual training (HT) regimes, on swim start performance. After the completion of a baseline competitive swim start, 22 adolescent swimmers were randomly assigned to ...
  +10 more
core   +1 more source

The Effect of Explosıve Ratıo on Interface Formatıon in Explosıon Weldıng of Non Alloyed and Austenıtıc Steel Plates

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2017
In this study, weldability of austenitic stainless steel sheet to DKP sheet metals by explosive welding and the effect of explosive ratio (Elbar 5) on the joint interface have been investigated experimentally.
Mehmet Serkan YILDIRIM, Ahmet DURGUTLU
doaj   +1 more source

Basketball Player’s Explosive Force Training Skills [PDF]

open access: yesAdvances in Social Science, Education and Humanities Research, 2014
The explosive force is one of comprehensive abilities combining strength and speed, and it gets the comprehensive characteristics of strength and speed. This paper, based on the distinct characteristics of basketball sports and the factors influencing the basketball player's explosive force, discusses the main physical basis, training contents, methods
openaire   +1 more source

Impulse Correlation for Partially Filled Detonation Tubes [PDF]

open access: yes, 2004
The effect of nozzles on the impulse obtained from a detonation tube of circular cross section has been the focus of many experimental and numerical studies. In these cases, the simplified detonation tube is closed at one end (forming the thrust surface)
Cooper, M., Schauer, F., Shepherd, J. E.
core   +1 more source

Home - About - Disclaimer - Privacy