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Article
Compression behavior of metal foams with real pore structures through CT scan images
Based on the real pore structure obtained from computed tomography (CT) scan images, a three-dimensional (3D) model of the metal foam sample with specified porosity is established, and the model is compressed ...
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Article
Recent progress in porous Mg-based foam preparation approaches: effect of processing parameters on structure and mechanical property
Porous metals are a class of cellular materials with lightweight and unique mechanical, electrical, thermal, physical and acoustic characteristics. Magnesium and magnesium alloy foams have exhibited excellent ...
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Article
Displacement model error-based method for symmetrical cable-stayed bridge performance warning after eliminating variable load effects
This paper proposes a displacement model error-based performance warning method to detect structural anomalies in bridges. A displacement data pre-processing method based on multi-rate fusion method is propose...
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Article
Exploiting the Community Structure of Fraudulent Keywords for Fraud Detection in Web Search
Internet users heavily rely on web search engines for their intended information. The major revenue of search engines is advertisements (or ads). However, the search advertising suffers from fraud. Fraudsters ...
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Article
The Bang–Bang Property of Time-Varying Optimal Time Control for Null Controllable Heat Equation
In this paper, we consider bang–bang property for a kind of time-varying time optimal control problem of null controllable heat equation. The study is a continuation of a recent work (Chen et al. in Syst Contr...
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Article
Design and application of structural health monitoring system in long-span cable-membrane structure
Cable-membrane structures have small rigidity and are highly sensitive to wind. Structural health monitoring is necessary to ensure the serviceability and safety of the structure. In this research, the design ...
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Article
Monitoring-based analysis of the static and dynamic characteristic of wind actions for long-span cable-stayed bridge
Wind action is one of the environmental actions which has substantial static and dynamic effects on the long-span bridges. The main objective of the paper is to reveal the static and dynamic characteristics of...
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Article
Fabrication of Al foam without thickening process through melt-foaming method
By using calcium carbonate (CaCO3) powder as the blowing agent, Al foams with porosities of ~ 60 to 85% and pore size of ~ 1.5 mm were fabricated via melt-foaming method. Instead of adding a thickening agent to i...
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Article
Scaling laws and mechanical properties of nanoporous copper
Through molecular dynamics simulations, the mechanical behavior of nanoporous copper under impact loading was investigated with relative densities ranging from 77.91% to 98.36%, focusing on deformation mechani...
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Article
Detecting impact factor manipulation with data mining techniques
Disingenuously manipulating impact factor is the significant way to harm the fairness of impact factor. That behavior should be banned with effective means. In this paper, data mining techniques are used to so...
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Article
Cloning, expression, and characterization of a four-component O-demethylase from human intestinal bacterium Eubacterium limosum ZL-II
Eubacterium limosum ZL-II was described to convert secoisolariciresinol (SECO) to its demethylating product 4,4′-dihydroxyenterodiol (DHEND) under anoxic conditions. However, the reaction...
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Article
Binary chromatographic fingerprint analysis of Stemonae Radix from three Stemona plants and its applications
The dried root tubers of Stemona tuberosa, S. japonica and S. sessilifolia are the original sources of Stemonae Radix (SR) for antitussive and insecticidal activities. The products of SR which are available on th...
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Article
Optimal actuator location for time and norm optimal control of null controllable heat equation
We consider minimal time and minimal norm of the optimal controls for a multi-dimensional internally controlled heat equation with control domain varying over a class of open sets. Two problems are formulated ...
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Article
Absorptive constituents and their metabolites in drug-containing urine samples from Wuzhishan miniature pigs orally administered with Buyang Huanwu decoction
Buyang Huanwu decoction (BYHWD), a famous traditional Chinese medicine prescription for the treatment of cerebrovascular diseases, is composed of seven commonly used Chinese herbs—Astragali Radix, Angelicae Si...
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Article
On nodal line of the second eigenfunction of the Laplacian over concave domains in ℝ2
In this note, the Payne’s conjecture from convex domains to concave domains is generalized. It is shown that the nodal line N of the second eigenfunction of the Laplacian over some simply connected concave domain...
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Article
The antidepressant effect of secoisolariciresinol, a lignan-type phytoestrogen constituent of flaxseed, on ovariectomized mice
Secoisolariciresinol (SECO) is a natural lignan-type phytoestrogen constituent mainly found in flaxseed. It can be metabolized in vivo to mammalian lignans of enterodiol and enterolactone, which have been prov...
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Article
Comparison of contents of five ephedrine alkaloids in three official origins of Ephedra Herb in China by high-performance liquid chromatography
In the present paper, a fast and economical HPLC method [on a Phenomenex Polar-RP column with a solution of (phosphoric acid:triethylamine:dibutylamine:water = 0.40:0.1:0.2:499.3) and methanol] is developed, a...
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Article
Open AccessProduction of enterodiol from defatted flaxseeds through biotransformation by human intestinal bacteria
The effects of enterolignans, e.g., enterodiol (END) and particularly its oxidation product, enterolactone (ENL), on prevention of hormone-dependent diseases, such as osteoporosis, cardiovascular diseases, hyp...
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Article
Reliability-based citation impact factor and the manipulation of impact factor
According to the definition of reliability-based citation impact factor (R-impact factor) proposed by KUO & RUPE and the cumulative citation age distribution model, a mathematical expression of the relationshi...
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Article
Compression properties of cellular AlCu5Mn alloy foams with wide range of porosity
Cellular AlCu5Mn foams with porosity of 91.2–45.8% were fabricated by melt-foaming method. The measured compression properties show that both strength and energy absorption capacity of cellular AlCu5Mn foams a...
