Results 211 to 220 of about 142,355 (266)

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

Advanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du, Takahiro Kaneko, Xinyu Yan, Takahito Ohmura, Kyosuke Yoshimi   +4 more
wiley   +1 more source

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

Advanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak, Olha Zvirko, Rostyslav Leshchak, Hryhoriy Nykyforchyn   +3 more
wiley   +1 more source

Tailoring Functional Properties of Ti–Ni–Cu Shape Memory Alloy Thin Films for MEMS Actuators

Advanced Engineering Materials, EarlyView.
A comprehensive study of critical parameters required to develop well‐performing Ti–Ni–Cu thin film shape memory alloy microactuators is provided. Materials science and device integration aspects are integrated by addressing structural and physical relationships using complementary characterization techniques as well as a practical fabrication solution
Elaheh Akbarnejad, Aleksander Kostka, Gowtham Arivanandhan, Yujiao Li, Alan Savan, Manfred Kohl, Alfred Ludwig   +6 more
wiley   +1 more source

A Lightweight Procedural Layer for Hybrid Experimental–Computational Workflows in Materials Science

Advanced Engineering Materials, EarlyView.
We unveil a prototype hybrid‐workflow framework that fuses automatedcomputation with hands‐on experiments. Built atop pyiron, a lightweight, parameterized layer translates procedure descriptions into executable manual steps, syncing instrument settings, human interventions, and data capture in real‐time today.
Steffen Brinckmann, Sarath Menon, Raphael Röske, Johannes Steinhülb, Michael Selzer, Jan Janssen, Tilmann Hickel, Ruth Schwaiger, Jörg Neugebauer   +8 more
wiley   +1 more source

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Effect of praziquantel on the immature stages of Schistosoma haematobium

International Journal for Parasitology, 2005
Schistosoma mansoni is known to be refractory to praziquantel treatment in the pre-patent period of infection. Since Schistosoma haematobium has a much longer pre-patent period (10-12 weeks vs. 5-6 for the former species), we asked the question whether a correspondingly longer period of insusceptibility exists in urinary schistosomiasis.
Samia William, Botros S, Livia Pica-Mattoccia   +2 more
exaly   +5 more sources

The Immature Stages of Trichoptera

The Canadian Entomologist, 1964
One of the outstanding problems now involving North American Trichoptera is that about 80% of the species are still totally unknown in the immature stages. As in many other insect groups, most initial work has been concerned with species differentiation, classification and distribution, and has dealt largely with adults.
openaire   +1 more source

Immature stages of Murgantia histrionica (Hemiptera: Pentatomidae)

Zootaxa, 2018
Immature stages of Murgantia histrionica (Hemiptera: Pentatomidae) are described using light and scanning electron microscopy. Specimens of all life stages of M. histrionica were collected on Peritoma arborea (Cleomaceae) in Palm Springs, California.
Brito, Lucas Cavalcanti, Santos, Suelle Maria Dos, Barão, Kim Ribeiro   +2 more
openaire   +2 more sources

Immature Stages of Insect Endoparasites

1984
While dissecting insects, one may encounter the immature stages of insect parasites. These entomophagous (or entomogenous) insects belong to several orders and demonstrate a wide variation in habits and biology. They are sometimes called parasitoids rather than parasites because they develop at the expense of a single host, which is killed as a result ...
George O. Poinar, Gerard M. Thomas
openaire   +1 more source

1.1.2.3 The immature stages

1997
Publisher Summary This chapter describes the immature scale insects of family Coccidae. For diagnostic purposes, the characters discussed for each of the developmental stages present the usual features as they are most commonly seen in the instar being described. Both general appearance and characteristics of slide mounted specimens are discussed for
openaire   +1 more source

Immature Stages of the Western Corn Rootworm123

Journal of Economic Entomology, 1966
In 1963 a study was made of the larval instars and the pupae of the western rom rootworm, Diabetics virgifera Leone, Larvae fed on mature squash fruit and held in the dark at 20°C consistently had 3 in stars. Width of the head capsule was the most constant of the several structures measured and was therefore considered the most valid indicator of the ...
B. W. George, A. M. Hintz
openaire   +1 more source