Results 41 to 50 of about 223,185 (310)

Study on the Weight of Jumping Exercises in the Development of Explosive Force in Volleyball Players

open access: yesBulletin of the Transilvania University of Braşov: Series IX Sciences of Human Kinetics
We highlighted aspects related to the different ways of using jumps to achieve goals aimed at developing explosive force in female volleyball players.
B.I. Cojocaru   +3 more
doaj   +1 more source

THE EXPERIMENTAL STUDY CONCERNING THE IMPROVING OF THE VERTICAL DETACHEMENT OF THE NINTH CLASS STUDENTS - USING THE SPECIFIC BASKETBALL GAME MEANS [PDF]

open access: yesAnnals of the “Ştefan cel Mare” University: Physical Education and Sport Section - The Science and Art of Movement, 2018
The force is a dynamics quality, highly complex and rather nondescript. The expansion is a force manifestation and it is defined as the ability of muscle groups to develop maximum strength in a short time, strength-speed.
Mirela Gheorghiţă Solcan   +1 more
doaj  

Building and Standardizing the Test of Throwing the Medical 1kg-Ball with the Distinctive Arm of the Chair-Sitting Position on the Earlier Volleyball Players at the Ages Of (14-16) Years

open access: yesمجلة جامعة كويه للعلوم الانسانية والاجتماعية, 2019
The research aims at the following: Build a test that measures explosive power with a distinctive arm in a volleyball game. The standard test measures explosive power with the distinctive arm of the volleyball game. Setting the standard levels
Nawzad H. Darweesh
doaj   +1 more source

Contribution Of Arm Muscle Strength, Arm Muscle Explosive Power And Balance To The Bullets Reject Ability In Junior High School Students

open access: yesJuara, 2023
This study aims to determine; 1) is there a contribution between arm strength and the ability to shoot sideways style on SMP Negeri 19 Makassar students. 2).
M. Imran Hasanuddin, Hasyim Hasyim
doaj   +1 more source

Method of making an explosively welded scarf joint [PDF]

open access: yes, 1974
A method is presented for obtaining a bond joint between thin metal members without the addition of a bonding agent. The method yields bond strengths comparable to the parent metal.
Bement, L. J.
core   +1 more source

Sustainable bioplastics manufacturing from renewable sources

open access: yesFEBS Open Bio, EarlyView.
Bioplastics are manufactured by using polymers from different bio‐based sources. These novel materials not only offer biodegradability but also possess various functional properties that make them suitable for diverse applications. Recent developments in the preparation of bioplastics are reported, highlighting the distinct properties of each type of ...
C. Valeria L. Giosafatto   +6 more
wiley   +1 more source

Totally confined explosive welding [PDF]

open access: yes, 1974
A method and associated apparatus for confining the undesirable by-products and limiting noise of explosive welding are discussed. The apparatus consists fo a simple enclosure into which the explosive is placed and within which the explosion occurs.
Bement, L. J.
core   +1 more source

Thermal Decomposition of Energetic Materials by ReaxFF Reactive Molecular Dynamics [PDF]

open access: yes, 2006
We report the study of thermal decomposition of 1,3,5-trinitrohexahydro-s-triazine (RDX) bonded with polyurethane (Estane) and of the bulk hydrazine by molecular dynamics (MD) simulations equipped with the reactive force field (ReaxFF).
Dasgupta, Siddharth   +4 more
core   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Reliability of measuring various contractile functions of finger flexors of men of various ages [PDF]

open access: yesFizička Kultura, 2018
The aim of the research is to determine the reliability of testing various contractile functions of a male hand based on motoric and functional dominance and age.
Marković Milan R.   +4 more
doaj  

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