Results 31 to 40 of about 565,672 (242)
Fatigue strength of 30ХГСА–40ХМФА welded joints produced by rotary friction welding
Frontier Materials & Technologies, 2023 Rotary friction welding (RFW) is used in the production of drill pipes for solid mineral prospecting. The need for the creation of the lightened drill strings for high-speed diamond drilling of ultradeep wells dictates the necessity of a greater focus on
Elena Yu. Priymak +4 more
doaj +1 more source
Drill Based Model of Forehand Drive Practice in Table Tennis for Beginner Athlete
Active: journal of physical education, sport, health and recreation, 2020 The purpose of study was to develop drill based model of forehand drive practice in table tennis for beginner athlete. The forehand drive had important role in table tennis playing.
Bessy Sitorus Pane +2 more
doaj +1 more source
SIVdrl detection in captive mandrills: are mandrills infected with a third strain of simian immunodeficiency virus? [PDF]
, 2004 A pol-fragment of simian immunodeficiency virus (SIV) that is highly related to SIVdrl-pol from drill monkeys (Mandrillus leucophaeus) was detected in two mandrills (Mandrillus sphinx) from Amsterdam Zoo.
Berkhout, Ben +5 more
core +6 more sources
Haiti-Drill: an amphibious drilling project workshop [PDF]
Scientific Drilling, 2020 Abstract. The Haiti region – bounded by two strike-slip faults expressed both onshore and offshore – offers a unique opportunity for an amphibious drilling project. The east–west (EW)-striking, left lateral strike-slip Oriente–Septentrional fault zone and Enriquillo–Plantain Garden fault zone bounding Haiti have similar slip rates and also define the ...
Chastity Aiken +10 more
openaire +6 more sources
Special issue: Community and citizen science
California Agriculture, 2021 In this special issue, California Agriculture presents research and news on community and citizen science projects across California.
Ryan Meyer +2 more
doaj +2 more sources
Dewa Ruci: Jurnal Pengkajian dan Penciptaan Seni, 2018 Penelitian tindakan kelas dengan tema “Peningkatan Kemampuan Praktik Karawitan mata kuliah Karawitan Gaya Surakarta II” terhadap mahasiswa semester II Jurusan Karawitan ISI Surakarta ini merupakan suatu usaha untuk peningkatan kemampuan praktik ...
Sukamso Sukamso
doaj +1 more source
Drilling Burr Minimization by Changing Drill Geometry [PDF]
Materials, 2020 This article presents an attempt to solve the problem of the formation of burrs and drilling caps in the process of drilling in difficult-to-cut materials, specifically in the titanium alloy Ti-6Al-4V. In order to eliminate these phenomena, a chamfer of specific length and angle was made on FANAR drill’s margin.
Emilia Franczyk +2 more
openaire +2 more sources
Impregnated drill bits strengthened by nanoparticles for mineral exploration drilling [PDF]
, 2018 In order to improve the drilling efficiency and service life of impregnated diamond drill bit, WC and ZrO2 nanoparticles were introduced into traditional drill bit matrix.
Baochang, L. +3 more
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Una banda sonora para el respeto: drill, estigma y trayectorias sociales de los hijos de inmigrantes [PDF]
REMHU: Revista Interdisciplinar da Mobilidade HumanaResumen Este artículo analiza la relación entre el drill como género musical y el protagonismo que tienen en él las franjas más desafiliadas de los jóvenes de origen inmigrante.
Andrés Pedreño Cánovas +2 more
doaj +1 more source
Aspects of energy requirements for rock drilling [PDF]
, 1974 Development of laboratory rock breakage techniques to relate energy and surface area produced by slow compression, drop hammer and stamp mill. A detailed study of laboratory rotary-percussive drilling in a wide range of rocks under different ...
Wootton, David
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