Results 1 to 10 of about 543,653 (247)

Hammer-head turn flight control of helicopters by using a thrust selection / desired attitude calculation based on a loading trajectory and a threshold

Nihon Kikai Gakkai ronbunshu, 2021
The design method for reference trajectory calculation and flight control system development of the autonomous hammer-head turn maneuver and verification results applied to unmanned helicopters are described.
Daigo FUJIWARA
doaj   +1 more source

The Influence of an Electromagnetic Field at a Radiofrequency of 900 MHz on the Behavior of a Honey Bee

Agriculture
The development of wireless technology and the desire to improve communication electromagnetic fields (EMFs) of various frequencies have become common across the honey bee’s foraging landscape.
Paweł Migdał, Mateusz Plotnik, Paweł Bieńkowski, Ewelina Berbeć, Krzysztof Latarowski, Natalia Białecka, Agnieszka Murawska   +6 more
doaj   +1 more source

Adsorption of Cr(III) by IRA-900 Resin in Sodium Phosphite and Sulfuric Acid System

Separations
Chromium (Cr), a toxic heavy metal, poses significant environmental and health risks when industrial effluents containing Cr are discharged untreated.
Tingjie Xu, Dahuan Gan, Guowang Wei, Yingjie Yang, Qiankun Wei, Chunlin He   +5 more
doaj   +1 more source

Haag-Streit Biometers: Eyestar 900 and Lenstar 900

Abstract The Eyestar 900 features swept-source technology, enabling precise measurement, as well as topographic assessment, of the front and back corneal surface and the anterior chamber, including the lens, as well as imaging of all these structures. It also includes cornea-to-retina biometry of the entire eye.
openaire   +1 more source

Compositori, impresari e pubblico nell’Anello di Ugo Fleres: Un ritratto del mondo musicale operistico alle soglie del Novecento.

California Italian Studies, 2014
The purpose of this research is to examine the relationship between literary and musical forms in a novel by Ugo Fleres, l’ Anello ( 1898). Fleres, italian writer, Pirandello and Luigi Capuana’s friend , tells the story of Ottavio, mediocre composer ...
Daniela Bombara
doaj   +1 more source

Aldeas en los bosques de Prosopis: Arquitectura residencial y congregacional en el período Formativo tarapaqueño (900 ac-900 DC)

Estudios Atacameños
Este ensayo aborda la relación entre arquitectura residencial y espacios de congregación en un conjunto de aldeas y asentamientos formativos ubicados en las quebradas de Tarapacá y Guatacondo, norte de Chile.
Leonor Adán, Simón Urbina, Constanza Pellegrino, Carolina Agüero   +3 more
doaj   +1 more source

Aldeas en los bosques de Prosopis. Arquitectura residencial y congregacional en el período Formativo tarapaqueño (900 ac-900 dc)

Estudios Atacameños, 2013
Este ensayo aborda la relación entre arquitectura residencial y espacios de congregación en un conjunto de aldeas y sentamientos formativos ubicados en las quebradas de Tarapacá y Guatacondo, norte de Chile.
Leonor Adán Alfaro, Simón Andrés Urbina Araya, Constanza Pellegrino, María Carolina Agüero Piwonka   +3 more
doaj  

There is no $\kappa(900)$

, 2000
In the I=0 sector there are more scalar mesons than can fit in one $q{\bar q}$ nonet. Consequently, many have claimed that there is in fact more than one multiplet, perhaps both $q{\bar q}$ and $qq{\bar {qq}}$. Such proposals require the existence of at least two strange isodoublets (and their antiparticles). The current PDG Tables list just one state,
Cherry, S. N., Pennington, M. R.
openaire   +1 more source

YM 900

Drugs in R & D, 1999
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Datamyte 900 [PDF]

Behavior Research Methods & Instrumentation, 1977
openaire   +1 more source