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Article
The value of the radiological diameter-to-thickness ratio in patients with HER2-positive resectable advanced gastric cancer: implications for long survival and stage migration
To investigate the clinical significance and stage migration effect of radiological diameter-to-thickness (DT) ratio in HER2-positive resectable advanced gastric cancer (HER2-p RAGC).
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Article
Open AccessFocused ultrasound enables selective actuation and Newton-level force output of untethered soft robots
Untethered miniature soft robots have significant application potentials in biomedical and industrial fields due to their space accessibility and safe human interaction. However, the lack of selective and forc...
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Article
Macro and Micro Segregations and Prediction of Carbide Equivalent Size in Vacuum Arc Remelting of M50 Steel via Simulations and Experiments
Macrosegregation and coarse primary carbides caused by microsegregation are typical solidification defects during Vacuum Arc Remelting (VAR) which greatly limit the mechanical properties of M50-bearing steel c...
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Article
Open AccessExpansion and diversity of caspases in Mytilus coruscus contribute to larval metamorphosis and environmental adaptation
Apoptosis is involved (directly and indirectly) in several physiological processes including tissue remodeling during the development, the turnover of immune cells, and a defense against harmful stimuli. The d...
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Article
Distinct Mechanisms for Channel Segregation in Ultra-Heavy Advanced Steel Ingots via Numerical Simulation and Experimental Characterization
Channel segregation is one of the most common defects in solidifying steel, particularly in ultra-heavy advanced steel ingots, and it has a significant effect on the mechanical properties of the final products...
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Article
Thermo-mechanics Driven Dynamic Recrystallization Behavior and Mechanism in High Strength Martensitic Stainless Steel
The hot deformation behavior and dynamic recrystallization mechanism of a new High Strength Martensitic Stainless Steel (HSMSS) for aero bearing were systematically studied by the single-pass isothermal compre...
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Article
Effects of Primary Carbide Size and Type on the Sliding Wear and Rolling Contact Fatigue Properties of M50 Bearing Steel
The influences of primary carbide size and type on the sliding wear behavior and rolling contact fatigue (RCF) properties of M50 bearing steel were systematically investigated under oil lubrication condition. ...
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Article
Primary Carbide Refinement in AISI M50 Steel by Dislocation Engineering via Pre-deformation Treatment
A novel mechanism was proposed to accelerate the refinement of metastable M2C in M50 steel by implementing a well-designed pre-deformation treatment. Compared with the samples treated by traditional diffusion, th...
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Article
Modeling of Macrosegregation Formation and the Effect of Enhanced Cooling During Vacuum Arc Remelting Solidification of NbTi Alloy Ingot
Modeling vacuum arc remelting (VAR) is very challenging as this process involves a wide range of physical phenomena and complex interactions. The formations of macrosegregation and channel segregation during V...
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Article
Low-oxygen rare earth steels
Rare earth (RE) addition to steels to produce RE steels has been widely applied when aiming to improve steel properties. However, RE steels have exhibited extremely variable mechanical performances, which has ...
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Article
Open AccessOn the Mechanism of Steel Homogenization via Rare Earth Addition: Experimental Characterization and Numerical Simulation
Macrosegregation is one of the most typical defects during solidification which greatly limits the mechanical properties of the key steel components. Oxygen and its inclusion have been considered to cause the ...
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Article
Experimental Study on the Heating Effect of a Wind-Energy Stirring Heater
In this paper, an experiment system of wind-energy stirring heater has been designed and built. Its heating performance under the rotation speed of 300 r/min has been studied through changing stirring rotor’s ...
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Article
Open AccessPhenotype, molecular characterisation and risk factors for postoperative meningitis caused by ESBL-producing-Enterobacteriaceae: a six years multi-Centre comparative cohort study
To determine the phenotype, molecular characterisation and risk factors of postoperative meningitis induced by Extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae (EPE) in China.
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Article
Open AccessMassive expansion and diversity of nicotinic acetylcholine receptors in lophotrochozoans
Nicotinic acetylcholine receptors (nAChRs) are among the oldest and most conserved transmembrane receptors involved in signal transduction. Despite the prevalence and significance of cholinergic signaling, the...
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Article
Open AccessNext-generation sequencing for D47N mutation in Cx50 analysis associated with autosomal dominant congenital cataract in a six-generation Chinese family
Congenital cataract is the most frequent cause of blindness during infancy or early childhood. To date, more than 40 loci associated with congenital cataract have been identified, including at least 26 genes o...
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Article
Open AccessAllele-specific expression of mutated in colorectal cancer (MCC) gene and alternative susceptibility to colorectal cancer in schizophrenia
Evidence has indicated that the incidence of colorectal cancer (CRC) among schizophrenia is lower than normal. To explore this potential protective effect, we employed an innovative strategy combining associat...
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Correction: Corrigendum: Inclusion flotation-driven channel segregation in solidifying steels
Nature Communications 5: Article number: 5572 (2014); Published: 25 November 2014; Updated: 9 February 2015. In this Article, Supplementary Movies 1 and 2 were incorrectly associated with experiments VII and V...
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Open AccessInclusion flotation-driven channel segregation in solidifying steels
Channel segregation, which is featured by the strip-like shape with compositional variation in cast materials due to density contrast-induced flow during solidification, frequently causes the severe destructio...
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Article
Design of High-Order Extrapolated Impulse Response FIR Filters with Signed Powers-of-Two Coefficients
Expensive multiplication operations can be replaced by simpler additions and hardwired shifters so as to reduce power consumption and area size, if the coefficients of a digital filter are signed power-of-two ...