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Article
Observability inequalities for thin shells
We consider the exact controllability problem from boundary for thin shells. Under some checkable geometric assumptions on the middle surface, we establish the observability inequalities via the Bochner techni...
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Article
An Improved Architecture of Sixth Subharmonic Mixers in E-Band
An improved architecture of sixth subharmonic mixers is proposed in this paper. In order to meet the need of low conversion loss, antiparallel diodes are selected and the length of four open/shorted microstrip...
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Article
A Novel Circuit Architecture for High Performance of High-order Subharmonic Mixers
A novel circuit architecture for high performance of high-order subharmonic (SH) mixers is proposed in this paper. According to the specified harmonic mixing order, one or more mixer diodes sub-arrays and corr...
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Article
Low Conversion Loss Mixers with Improved Finline Transition and Bandstop Filter
A Ka-Band hybrid integrated single-ended mixer with low conversion loss is designed in this paper. In the proposed circuit architecture, metallic via holes are implemented along the mounting edge of substrate ...
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Article
Global smooth solutions for semilinear Schrödinger equations with boundary feedback on 2-dimensional Riemannian manifolds
This paper considers the existence of global smooth solutions of semilinear schrödinger equation with a boundary feedback on 2-dimensional Riemannian manifolds when initial data are small. The authors show tha...
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Article
Energy decay for the Cauchy problem of the linear wave equation of variable coefficients with dissipation
Decay of the energy for the Cauchy problem of the wave equation of variable coefficients with a dissipation is considered. It is shown that whether a dissipation can be localized near infinity depends on the c...
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Article
Editorial
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Article
General decay rate estimates for viscoelastic wave equation with variable coefficients
The authors study decay properties of solutions for a viscoelastic wave equation with variable coefficients and a nonlinear boundary dam** by the differential geometric approach.
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Article
Open AccessStructure-based Mechanistic Insights into Terminal Amide Synthase in Nosiheptide-Represented Thiopeptides Biosynthesis
Nosiheptide is a parent compound of thiopeptide family that exhibit potent activities against various bacterial pathogens. Its C-terminal amide formation is catalyzed by NosA, which is an unusual strategy for ...
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Article
Decay rates of the hyperbolic equation in an exterior domain with half-linear and nonlinear boundary dissipations
This paper considers the energy decay of the wave equation with variable coefficients in an exterior domain. The dam** is put on partly the boundary and partly on the interior of the domain. The energy decay...
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Article
Experimental study and prediction of the diameter of melt-electrospinning polypropylene fiber
Firstly, the effects of the spinning temperature, spinning voltage, tip-to-collector distance and ambient temperature on the diameter of melt-electrospinning polypropylene (PP) fibers were studied. The results...
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Article
Synthesis, structure and magnetic properties of two nickel(II) complexes of N-(pyridyl-3-sulfonyl)-l-threonine
Two Ni(II) complexes, [Ni2L2(H2O)4]·4H2O (1) and [Ni(HL)2(H2O)2] n ·3nH2O (2) (H2L = N-(pyridyl-3-sulfonyl)-l-threonine), were obtained from the reactions of Ni(NO3)2 with H2
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Article
Crystalline phase evolution behavior and physicochemical properties of glass–ceramics from municipal solid waste incineration fly ash
Appropriate management and treatment of fly ash from municipal solid waste (MSW) incineration plant have become an urgent environmental protection problem. In this study, glass–ceramics have been prepared from...
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Article
Structure regulation and properties of melt-electrospinning composite filter materials
Two kinds of composite filter materials were prepared by regulating the structure of melt-electrospinning polypropylene (PP) webs. The self-designed multi-nozzle melt-electrospinning device was used to produce...
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Article
Weighted L2-estimates of solutions for damped wave equations with variable coefficients
The authors establish weighted L2-estimates of solutions for the damped wave equations with variable coefficients u tt − divA(x)∇u+au t = 0 in
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Article
Boundary controllability of structural acoustic systems with variable coefficients and curved walls
This paper studies a structural acoustic model consisting of an interior acoustic wave equation with variable coefficients and a coupled Kirchhoff plate equation with a curved middle surface. By the Riemannian...
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Article
Biodegradable multiblock copolymers containing poly[(3-hydroxybutyrate)-co-(3-hydroxyvalerate)], poly(ε-caprolactone), and polyhedral oligomeric silsesquioxane: synthesis, characterization, and tensile property
Biodegradable multiblock copolymers based on poly[(3-hydroxybutyrate)-co-(3-hydroxyvalerate)] (PHBV), poly(ε-caprolactone) (PCL), and polyhedral oligomeric silsesquioxane (POSS) were synthesized by one-step co...
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Chapter and Conference Paper
Distribution Forest: An Anomaly Detection Method Based on Isolation Forest
Anomaly detection refers to finding patterns in the data that do not meet expectations. Anomaly detection has a variety of application domains and scenarios, such as network intrusion detection, fraud detectio...
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Article
The nuclear GSK-3β regulated post-transcriptional processing of mRNA through phosphorylation of SC35
Glycogen synthase kinase-3β (GSK-3β) is a multifunctional serine/threonine kinase and regulates a variety of biological processes. Recent studies show GSK-3β can regulate pre-mRNA processing and transcription ...
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Article
Open AccessMicrovesicles and chemokines in tumor microenvironment: mediators of intercellular communications in tumor progression
Increasing evidence indicates that the ability of cancer cells to convey biological information to recipient cells within the tumor microenvironment (TME) is crucial for tumor progression. Microvesicles (MVs) ...
