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Article
Using combinational logic function to watermark IP based on FPGA
In the field of digital circuit design, the extensive applications of reusable intellectual property (IP) simplify the design procedure based on very large scale field programmable gate array (FPGA), and short...
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Article
Polarized variation of Hodge structures of Calabi–Yau type and characteristic subvarieties over bounded symmetric domains
In this paper, we extend the construction of the canonical polarized variation of Hodge structures over tube domain considered by Gross (Math Res Lett 1:1–9, 1994) to bounded symmetric domain and introduce a s...
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Article
Open AccessImaging findings in 75 pediatric patients with pancreaticobiliary maljunction: a retrospective case study
Pancreaticobiliary maljunction (PBM) is often associated with congenital choledochal cyst, protein plugs and pancreatitis. Early diagnosis and timely treatment largely depend on imaging. We assessed a series o...
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Article
On the monodromy of the moduli space of Calabi–Yau threefolds coming from eight planes in \({\mathbb{P}^3}\)
It is a fundamental problem in geometry to decide which moduli spaces of polarized algebraic varieties are embedded by their period maps as Zariski open subsets of locally Hermitian symmetric domains. In the p...
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Article
Maximal Families of Calabi–Yau Manifolds with Minimal Length Yukawa Coupling
For each natural odd number n≥3, we exhibit a maximal family of n-dimensional Calabi–Yau manifolds whose Yukawa coupling length is 1. As a consequence, Shafarevich’s conjecture holds true for these families. More...
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Article
Open AccessA Comprehensive Model for Real Gas Transport in Shale Formations with Complex Non-planar Fracture Networks
A complex fracture network is generally generated during the hydraulic fracturing treatment in shale gas reservoirs. Numerous efforts have been made to model the flow behavior of such fracture networks. Howeve...
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Article
Acoustic Emission Characteristics of Sedimentary Rocks Under High-Velocity Waterjet Im**ement
The success of waterjet drilling technology requires further insight into the rock failure mechanisms under waterjet im**ement. By combining acoustic emission (AE) sensing and underwater sound recording tech...
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Article
ATP7B Mutation Detection and Pathogenicity Analysis: One Atypical Case of Wilson’s Disease with Adrenocortical Insufficiency
Wilson’s disease (WD) is an autosomal recessive disorder caused by defective function of the copper-transporting ATP7B protein. Symptoms are typically related to the brain and liver, while endocrinologic abnor...
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Article
Open AccessEffect of dilute acid treatment on adhesion properties of Longmaxi black shale
Properties of shale in an acid environment are important when acid or CO2 is injected into geologic formations as a working fluid for enhanced oil and gas recovery, hydraulic fracturing and reduced fracture initi...
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Article
Enhanced erosion on sedimentary rock by adding abrasive nanoparticles in ultrasonic cavitation
Cavitation erosion on sedimentary rocks by addition of abrasive nanoparticles was evaluated through ultrasonic cavitation experiments. Two kinds of typical sedimentary rocks, sandstone and organic-rich shale, ...
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Article
Open AccessCFD analysis and field observation of tool erosion caused by abrasive waterjet fracturing
Abrasive waterjet (AWJ) fracturing has become an accepted horizontal multistage stimulation technique due to its flexibility and high efficiency of extensive fracture placement. The downhole tool failure of AW...
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Article
Open AccessRisk factors associated with renal crescentic formation in pediatric Henoch–Schönlein purpura nephritis: a retrospective cohort study
The long-term prognosis of Henoch-Schönlein purpura (HSP) depends on the severity of renal involvement, and crescent formation is considered an important risk factor for poor prognosis of Henoch-Schönlein purp...
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Article
Open AccessAssessment of irreducible aspects in developmental hip dysplasia by magnetic resonance imaging
The developmental dysplasia of the hip (DDH) can cause a wide range of pathological changes, and often requires surgical treatment. Preoperative evaluation is very important for DDH. We aimed to assess the dia...
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Article
A note on Higgs-de Rham flows of level zero
The notion of Higgs-de Rham flows was introduced by Lan et al. (2019), as an analogue of Yang-Mills-Higgs flows in the complex nonabelian Hodge theory. In this paper we investigate a small part of this theory,...
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Article
Open AccessPore structure characterization and its effect on methane adsorption in shale kerogen
Pore structure characterization and its effect on methane adsorption on shale kerogen are crucial to understanding the fundamental mechanisms of gas storage, transport, and reserves evaluation. In this study, ...
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Article
Quantitative assessment of normal hip cartilage in children under 9 years old by T2 map**
To investigate the variation in T2 at different zones of normal hip cartilage in children and the relationship between T2 value and age.
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Article
Transport Pattern and Placement Characteristics of Proppant in Different Rough Fractures
The transport and placement characteristics of proppant in rough fracture is of great significance for optimizing fracturing parameters and making proppant transport to the deep part of fracture for effective ...
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Article
Prediction of Shale Gas Production by Hydraulic Fracturing in Changning Area Using Machine Learning Algorithms
Machine learning has been widely used for the production forecasting of oil and gas fields due to its low computational cost. This paper studies the productivity prediction of shale gas wells with hydraulic fr...
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Article
A Global Torelli Theorem for Certain Calabi-Yau Threefolds
We establish a global Torelli theorem for the complete family of Calabi-Yau threefolds arising from cyclic triple covers of $${{\mathbb {P}}}^...
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Article
Open AccessPredicting histological grade in pediatric glioma using multiparametric radiomics and conventional MRI features
Prediction of glioma is crucial to provide a precise treatment plan to optimize the prognosis of children with glioma. However, studies on the grading of pediatric gliomas using radiomics are limited. Meanwhil...
