Results 71 to 80 of about 91,395,120 (258)

Morphological and molecular characterization of a new isolate of entomopathogenic nematode, Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) from the Arasbaran forests, Iran

Journal of Asia-Pacific Biodiversity, 2015
Steinernema feltiae isolate IRAZ13 was recovered from one soil sample collected from the Arasbaran forests, Iran. The new isolate can be distinguished from other isolates by morphologic and morphometric data, and DNA sequences.
Mostafa Nikdel, Gholamreza Niknam
doaj   +1 more source

A compact, large-diameter adiabatic spinflipper for ultracold neutrons

, 2009
We report the design and test of a compact, large-diameter spinflipper for ultracold neutrons based on the principle of adiabatic spinflip. A solenoid rf coil with a high diameter-to-length ratio (d/l~1.7) is surrounded by up to three short magnet coils (
Lauss, B., Petzoldt, G., Goltl, L., Vrankovic, V., Lefort, T., Kuzniak, M., Mtchedlishvili, A., Henneck, R., Knecht, A., Negrazus, M., Kirch, K., Meier, M., Ruettimann, P., Zsigmond, G., Geltenbort, P., Petzoldt, G. (author), Negrazus, M. (author), Knecht, A. (author), Kirch, K. (author), Ruettimann, P. (author), Vrankovic, V. (author), Mtchedlishvili, A. (author), Lauss, B. (author), Kuźniak, M. (author), Henneck, R. (author), Lefort, T. (author), Zsigmond, G. (author), Göltl, L. (author), Meier, M. (author), Geltenbort, P. (author), A. Mtchedlishvili, G. Zsigmond, B. Lauss, P. Ruettimann, T. Lefort, M. Kuźniak, L. Göltl, R. Henneck, M. Meier, M. Negrazus, A. Knecht, K. Kirch, P. Geltenbort, V. Vrankovic, G. Petzoldt   +44 more
core   +1 more source

Influence of Scan Strategies in Electron Beam Powder Bed Fusion on Solidification, Microstructure, and High‐Temperature Compressive Properties of γ′‐Strengthened Inconel 738LC

Advanced Engineering Materials, EarlyView.
Experiments and thermophysical simulations were conducted to investigate the electron beam powder bed fusion electron beam (PBF‐EB/M) process for the γ′‐strengthened nickel‐based superalloy Inconel 738LC. The results demonstrate the impact of process‐induced microstructural variations on high‐temperature mechanical behavior, providing a basis for ...
Jan Niklas Petenati, Karthik Kumar Banku, Prasanth Bondi, Ivan Zhirnov, Yangyiwei Yang, Gordon Schmidt, Jürgen Christen, Georg Hasemann, Manja Krüger, Bai‐Xiang Xu, Bilal Gökce, Silja‐Katharina Rittinghaus   +11 more
wiley   +1 more source

The Correlations of Clinical Outcomes and Vascular Morphology With Infarct Patterns in Middle Cerebral Arterial Occlusion

Brain and Behavior
Objective To compare the clinical outcomes among various infarct patterns and to investigate the associations between the morphological parameters of contralateral middle cerebral artery (cMCA) M1 segment and infarct patterns in ischemic stroke ...
ZhiRong Cai, Yuan Chen, ShaoQing Pei, Yue He, YaNan Zhu, Rui Zhang, JingWei Lin, Yi Yang, Ying Zhu   +8 more
doaj   +1 more source

Experimental Study on Critical Flow of Supercritical CO2 at Steady State and Model Verification

Yuanzineng kexue jishu, 2022
When the loss of coolant accident happens in a reactor, because of the high temperature and high pressure in the reactor and the low external pressure, the critical flow may occur at the break due to sharp depressurization and vaporization.
LI Weiqing;ZHANG Dongxu;ZHAO Minfu
doaj  

High‐Temperature Phase Transformation in a V‐9Si‐6.5B Alloy: The Kinetic and Crystallographic Pathway From V5SiB2 to V8SiB4

Advanced Engineering Materials, EarlyView.
In situ synchrotron high‐energy X‐ray diffraction reveals the real‐time high‐temperature phase evolution of a ternary V‐9Si‐6.5B alloy. The study uncovers a kinetically delayed V5SiB2 → V8SiB4 transformation governed by massive structural and chemical barriers.
Zahra Sabeti, Andreas Stark, Roja Rani Korrayi, Florian Pyczak, Georg Hasemann   +4 more
wiley   +1 more source

Length to diameter ratio and row number effects in short pin fin heat transfer [PDF]

, 1982
The relative effects of pin length to diameter ratio and of pin row geometry on the heat transfer from pin fins, was determined. Array averaged heat transfer coefficients on pin and endwall surfaces were measured for two configurations of staggered ...
Vanfossen, G. J., Brigham, B. A.
core  

Distinct Microstructural Characteristic Lengths Defining Notch Fatigue Crack Initiation and Propagation, and Defect Tolerance in Advanced Steels

Advanced Engineering Materials, EarlyView.
Schematic representation of modes of microcrack nucleation, growth and temporary arrestment at different boundaries, with the criteria for crack propagation in three scenarios: (1) large notch, (2) defect/small sharp notch, and (3) long crack. This work revisits and integrates results on the fatigue behavior of advanced bainitic steels (in particular ...
Lucia Morales‐Rivas
wiley   +1 more source

Gadolinia nanofibers as a multimodal bioimaging and potential radiation therapy agent

AIP Advances, 2015
Continuous bead-free C-type cubic gadolinium oxide (Gd2O3) nanofibers 20-30 μm long and 40-100 nm in diameter were sintered by sol-gel calcination assisted electrospinning technique.
A. M. Grishin, A. Jalalian, M. I. Tsindlekht   +2 more
doaj   +1 more source

Microstructure Modification of Additively Manufactured Mo–9Si–8B by Annealing and Its Effects on High‐Temperature Mechanical Properties

Advanced Engineering Materials, EarlyView.
Postbuild annealing systematically modifies the phase fractions and morphology of EB‐PBF processed Mo–9Si–8B. Quantitative microstructure–property correlations reveal how controlled phase evolution enhances high‐temperature compressive strength and creep resistance.
Christopher Schmidt, Yong Chen, Georg Hasemann, Benjamin Wahlmann, Carolin Körner, Manja Krüger   +5 more
wiley   +1 more source