Results 51 to 60 of about 654,548 (335)

Spatio-Temporal Variation in Water Uptake in Seminal and Nodal Root Systems of Barley Plants Grown in Soil

Frontiers in Plant Science, 2020
The spatial and temporal dynamics of root water uptake in nodal and seminal roots are poorly understood, especially in relation to root system development and aging.
Hannah M. Schneider, Hannah M. Schneider, Johannes A. Postma, Johannes Kochs, Daniel Pflugfelder, Jonathan P. Lynch, Dagmar van Dusschoten   +6 more
doaj   +1 more source

Universal phase transition and band structures for spinless nodal-line and Weyl semimetals

, 2017
We study a general phase transition between spinless topological nodal-line semimetal and Weyl semimetal phases. We classify topological nodal lines into two types based on their positions and shapes, and their phase transitions depends on their types ...
Murakami, Shuichi, Okugawa, Ryo
core   +1 more source

Pretreatment Identification of Head and Neck Cancer Nodal Metastasis and Extranodal Extension Using Deep Learning Neural Networks

Scientific Reports, 2018
Identification of nodal metastasis and tumor extranodal extension (ENE) is crucial for head and neck cancer management, but currently only can be diagnosed via postoperative pathology.
B. Kann, S. Aneja, G. Loganadane, J. Kelly, Stephen M. Smith, R. Decker, James B. Yu, Henry S. Park, W. Yarbrough, A. Malhotra, B. Burtness, Z. Husain   +11 more
semanticscholar   +1 more source

Two-dimensional Weyl nodal-line semimetal in a d0 ferromagnetic K2N monolayer with a high Curie temperature

Physical review B, 2020
Nodal line semimetals in two-dimensional (2-D) materials have attracted intense attention currently. From fundamental physics and spintronic applications points of view, high Curie temperature ferromagnetic (FM) ones with nodal lines robust against spin ...
Lei Jin, Xiaoming Zhang, Y. Liu, X. Dai, Xunan Shen, Liying Wang, Guodong Liu   +6 more
semanticscholar   +1 more source

Early asymmetric cues triggering the dorsal/ventral gene regulatory network of the sea urchin embryo

eLife, 2014
Dorsal/ventral (DV) patterning of the sea urchin embryo relies on a ventrally-localized organizer expressing Nodal, a pivotal regulator of the DV gene regulatory network.
Vincenzo Cavalieri, Giovanni Spinelli
doaj   +1 more source

Primary Nodal Gastrinomas

Archives of Pathology & Laboratory Medicine, 2000
Abstract Background.—The term primary lymph node gastrinoma was first used to describe a group of patients with gastrin-producing tumors present in lymph nodes located in a well-defined anatomic region. The patients had no known primary tumors in the pancreas or gastrointestinal tract and had disease-free survival for up to 18 years. The
M E, Herrmann, M C, Ciesla, G, Chejfec, S A, DeJong, S L, Yong   +4 more
openaire   +2 more sources

Constant-Parameter Average-Value Model of Power-Electronic Voltage-Source Converters With Direct Interface in Electromagnetic Transient Simulators

IEEE Open Journal of Power Electronics
Average-value models (AVMs) of voltage-source converters (VSCs) are widely used as numerically efficient alternatives to their discrete switching models in electromagnetic transient (EMT) simulations. Recently, a so-called directly-interfaced AVM (DI-AVM)
Seyyedmilad Ebrahimi, Taleb Vahabzadeh, Juri Jatskevich   +2 more
doaj   +1 more source

2019 ESC Guidelines for the management of patients with supraventricular tachycardia

Российский кардиологический журнал, 2020
The Task Force for the management of patients with supraventricular tachycardia of the European Society of Cardiology (ESC)Developed in collaboration with the Association for European Paediatric and Congenital Cardiology (AEPC)
article Editorial
doaj   +1 more source

Scaling Relations in the Vortex State of Nodal Superconductors

, 2005
In contrast to multigap superconductors (e.g. MgB$_{2}$), the low-temperature properties of nodal superconductors are dominated by nodal excitations. Here we extend for a variety of nodal superocnductors the earlier work by Simon and Lee and K\"ubert and
Maki, K., Parker, D., Won, H.
core   +1 more source

Symmetry demanded topological nodal-line materials [PDF]

, 2017
The realization of Dirac and Weyl physics in solids has made topological materials one of the main focuses of condensed matter physics. Recently, the topic of topological nodal line semimetals, materials in which Dirac or Weyl-like crossings along ...
Shuo Yang, Hao Yang, E. Derunova, S. Parkin, Binghai Yan, Mazhar N. Ali   +5 more
semanticscholar   +1 more source