Drift reduction of low drift nozzles in spraying citrus orchards

Drift is especially critical when spraying fruit, vine and citrus orchards where pesticides are intensively used. In this context, cone low drift nozzles (LDN) intended for spraying tree crops, have been evaluated relating to cone standard nozzles (STN) in laboratory and deciduous fruit orchards (Van de Zande et al. 2012); (Planas et al., 2013)

TCT-381 Optical coherence tomography for the early detection of cardiac allograft vasculopathy after heart trasplant

Digitalitzat per Artypla

Measuring track vertical stiffness through dynamic monitoring

[EN] This paper proposes a methodology for the evaluation of the track condition by means of the measurement of the track stiffness. This magnitude is calculated from vertical acceleration data measured at the axle box of trains during their normal operation. From the corresponding vertical acceleration spectra, the dominant vibration frequencies for each track stretch are identified and the combined stiffness is then determined. Then the stiffness without the contribution of the rail is calculated. The results obtained for a High Speed ballasted track in several track stretches are within the range 120-130 kN/mm, a result consistent with direct stiffness measurements taken during previous studies. Therefore, the proposed methodology may be used to obtain a first insight to the track condition by means of a continuous measurement of the track combined stiffness. This offers an alternative to traditional stationary stiffness measuring devices and might be a useful complement to dedicated continuous monitoring vehicles.Cano, MJ.; Martínez Fernández, P.; Insa Franco, R. (2016). Measuring track vertical stiffness through dynamic monitoring. Proceedings of the Institution of Civil Engineers - Transport. 169(1). doi:10.1680/jtran.14.00081S169

Efecto de boquillas de baja deriva y convencionales sobre la deriva y el control de Aonidiella aurantii (Maskell) en cítricos

La deriva es la mayor fuente de contaminación durante los tratamientos fitosanitarios en cultivos arbóreos. Una de las tecnologías efectivas para su reducción es el uso de boquillas de baja deriva (LDN). Sin embargo, su uso podría afectar la eficacia de control. El objetivo de este trabajo fue estudiar el efecto de LDN sobre la deriva y la eficacia de los tratamientos fitosanitarios en el control de Aonidiella aurantii en cítricos frente a boquillas convencionales (STN). Para evaluar la deriva se realizó un ensayo siguiendo la metodología de la norma ISO 22866 en una parcela comercial de Clemenules. Para evaluar la eficacia se llevó a cabo un ensayo en una parcela comercial de Clemenules y se emplearon los siguientes productos: Reldan® E + Atominal® 10 EC, Reldan® E y aceite parafínico contra la primera, segunda y tercera generación respectivamente. En ambos casos las aplicaciones se realizaron con un volumen de caldo de aproximadamente 2500 L ha-1, empleando un turboatomizador. Se aplicó un tratamiento con boquillas STN Teejet de disco y núcleo, y otro con boquillas LDN Albuz modelo TVI, seleccionando en cada ensayo el diámetro adecuado para ajustar el volumen aplicado a las características de cada parcela. En el ensayo de eficacia también hubo un tratamiento Control (sin insecticidas). Los resultados mostraron que la boquilla LDN redujo en un 22.7% la deriva depositada. No se encontraron diferencias significativas de eficacia entre los tratamientos con LDN y STN, pero si entre estos y el Control. Por lo tanto, se deduce de este trabajo que las boquillas LDN son la solución para reducir la deriva en tratamientos contra A. auranti en cítricos sin comprometer la eficacia

The Traspena meteorite: heliocentric orbit, atmospheric trajectory, strewn field, and petrography of a new L5 ordinary chondrite

The Traspena meteorite fell on 2021 January 18 about 20 km south-east of the city of Lugo (Galiza, Spain), shortly after a huge and bright fireball crossed the sky for 4.84 s. Astrometric measurements obtained from the fireball cameras of the Universidade de Santiago de Compostela (USC) as well as from many casual videos were used to determine the atmospheric trajectory of this meteoroid which penetrated the atmosphere and generated sound waves that were detected at three seismic stations. The original meteoroid had a diameter of about 1.15 m and a mass around 2620 kg. It impacted the Earth’s atmosphere with a steep entry angle of about 76 . ◦7 from a height of 75.10 km until fading away at 15.75 km with a velocity of 2.38 km s −1 . Before the impact, this small asteroid was orbiting the Sun with a semimajor axis of 1.125 au, a moderate eccentricity of 0.386, and a low inclination of 4 . ◦55. A weak evidence of dynamic link with the PHA (Potential Hazardous Asteroid) Minos was investigated. During the atmospheric entry, two major fragmentation events occurred between heights of 35 and 29 km at aerodynamic pressures between 1 and 5 MPa. The strewn field was computed after calculating the individual dark flights of the main body along with two smaller fragments. For- tunately, 2 month after the superbolide, a 527-g meteorite was found. It was examined using several geochemical and petrographic analyses which allowed us to classify it as a moderately shocked (S3) L5 ordinary chondrite with a bulk density of 3.25 g cm −3 .This paper was supported by the Xunta de Galicia (Spain) under the ED431B 2020/38 grant.Peer reviewe

Assessment of a New ROS1 Immunohistochemistry Clone (SP384) for the Identification of ROS1 Rearrangements in Patients with Non–Small Cell Lung Carcinoma: the ROSING Study

Introduction: The ROS1 gene rearrangement has become an important biomarker in NSCLC. The College of American Pathologists/International Association for the Study of Lung Cancer/Association for Molecular Pathology testing guidelines support the use of ROS1 immunohistochemistry (IHC) as a screening test, followed by confirmation with fluorescence in situ hybridization (FISH) or a molecular test in all positive results. We have evaluated a novel anti-ROS1 IHC antibody (SP384) in a large multicenter series to obtain real-world data. Methods: A total of 43 ROS1 FISH-positive and 193 ROS1 FISH-negative NSCLC samples were studied. All specimens were screened by using two antibodies (clone D4D6 from Cell Signaling Technology and clone SP384 from Ventana Medical Systems), and the different interpretation criteria were compared with break-apart FISH (Vysis). FISH-positive samples were also analyzed with next-generation sequencing (Oncomine Dx Target Test Panel, Thermo Fisher Scientific). Results: An H-score of 150 or higher or the presence of at least 70% of tumor cells with an intensity of staining of 2+ or higher by the SP384 clone was the optimal cutoff value (both with 93% sensitivity and 100% specificity). The D4D6 clone showed similar results, with an H-score of at least 100 (91% sensitivity and 100% specificity). ROS1 expression in normal lung was more frequent with use of the SP384 clone (p < 0.0001). The ezrin gene (EZR)-ROS1 variant was associated with membranous staining and an isolated green signal FISH pattern (p = 0.001 and p = 0.017, respectively). Conclusions: The new SP384 ROS1 IHC clone showed excellent sensitivity without compromising specificity, so it is another excellent analytical option for the proposed testing algorithm

Evaluation in artificial intelligence: From task-oriented to ability-oriented measurement

The final publication is available at Springer via http://dx.doi.org/ 10.1007/s10462-016-9505-7.The evaluation of artificial intelligence systems and components is crucial for the progress of the discipline. In this paper we describe and critically assess the different ways AI systems are evaluated, and the role of components and techniques in these systems. We first focus on the traditional task-oriented evaluation approach. We identify three kinds of evaluation: human discrimination, problem benchmarks and peer confrontation. We describe some of the limitations of the many evaluation schemes and competitions in these three categories, and follow the progression of some of these tests. We then focus on a less customary (and challenging) ability-oriented evaluation approach, where a system is characterised by its (cognitive) abilities, rather than by the tasks it is designed to solve. We discuss several possibilities: the adaptation of cognitive tests used for humans and animals, the development of tests derived from algorithmic information theory or more integrated approaches under the perspective of universal psychometrics. We analyse some evaluation tests from AI that are better positioned for an ability-oriented evaluation and discuss how their problems and limitations can possibly be addressed with some of the tools and ideas that appear within the paper. Finally, we enumerate a series of lessons learnt and generic guidelines to be used when an AI evaluation scheme is under consideration.I thank the organisers of the AEPIA Summer School On Artificial Intelligence, held in September 2014, for giving me the opportunity to give a lecture on 'AI Evaluation'. This paper was born out of and evolved through that lecture. The information about many benchmarks and competitions discussed in this paper have been contrasted with information from and discussions with many people: M. Bedia, A. Cangelosi, C. Dimitrakakis, I. GarcIa-Varea, Katja Hofmann, W. Langdon, E. Messina, S. Mueller, M. Siebers and C. Soares. Figure 4 is courtesy of F. Martinez-Plumed. Finally, I thank the anonymous reviewers, whose comments have helped to significantly improve the balance and coverage of the paper. This work has been partially supported by the EU (FEDER) and the Spanish MINECO under Grants TIN 2013-45732-C4-1-P, TIN 2015-69175-C4-1-R and by Generalitat Valenciana PROMETEOII2015/013.José Hernández-Orallo (2016). Evaluation in artificial intelligence: From task-oriented to ability-oriented measurement. 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Tractament de manteniment amb metadona: manual de pràctica clínica

Tractament de manteniment amb metadona; Pràctica clínica; DrogodependènciesTratamiento de mantenimiento con metadona; Práctica clínica; DrogodependenciasMethadone maintenance treatment; Clinical practice; Drug addictionsEl Manual pretén ser una eina útil per disminuir la variabilitat de la pràctica clínica i garantir un nivell òptim de qualitat i millora de l'atenció sanitària en el tractament de manteniment amb metadona (TMM). Aplica les normes bàsiques utilitzades per a la preparació de guies de pràctica clínica; en primer lloc, incloent-hi la millor evidència possible sobre la base de revisions sistemàtiques de la literatura, en segon lloc, amb recomanacions clares i curtes, i en tercer lloc, en absència d’una evidència fiable en la literatura, incorporant-hi la opinió d’experts per mitjà de tècniques de consens com el mètode Delphi