Ditapis dengan
The fault detection and diagnosis in rolling element bearings using frequency…
In vibration analysis, fault feature extraction from strong background noises is of great importance. Frequency band entropy based on short-time Fourier transform illustrates the complexity of every frequency component in the frequency domain, and it can be used to detect the periodical components hidden in the signal. This article shows how the frequency band entropy offers a robust way in det…
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- Deskripsi Fisik
- J. Mechanical Engineering Science 227(1) 87–99 , 2012
- Judul Seri
- J. Mechanical Engineering Science
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Transesterification of soybean oil to biodiesel with Zn/I2 catalyst
Abstract. Zn/I2 was found to be a practical and effective catalyst for the transesterification of soybean oil with methanol. A study for optimizing the reaction conditions such as the molar ratio of methanol to oil, the reaction time and the catalyst amount, was performed. The highest conversion of 96% was obtained under the optimum conditions. Further, the effect of free fatty acids and water…
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- Catalysis Letters Vol. 107, Nos. 1–2, February 2006
- Judul Seri
- Catalysis Letters
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Carbon nanotubes coated by carbon nanoparticles of turbostratic stacked graph…
Abstract. Carbon nanotubes (CNTs) decorated by a high density of carbon nanoparticles of turbostratic graphene stacks have been fabricated by low energy hydrocarbon ion deposition at 700 oC. Transmission and scanning electron microscopy show that the carbon particles of turbostratic graphene stacks extend from the nanotube surface. The diameter of CNTs decreases with the increasing percen…
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- CA R B O N 4 6 ( 2 0 0 8 ) 4 3 4 –4 3 9
- Judul Seri
- CA R B O N
- No. Panggil
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Closed-Packed Colloidal Assemblies from Icosahedral Plant Virus and Polymer
A practical process to synthesize bio-colloidal composites was developed on the basis of the noncovalent interactions of icosahedral plant virus turnip yellow mosaic virus (TYMV) and poly(4-vinylpyridine) (P4VP). TYMV particles fully covered the surface of a P4VP ball with a hexagon-like packing. The raspberry-like morphology of TYMV-P4VP colloids and the packing pattern of TYMV were reveale…
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- Chem. Mater. 2009, 21, 1046–1050
- Judul Seri
- Chemistry of Materials
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The influence of YS-1 on the Dll4-Notch1 signaling pathway
In this study, we investigated the role and molecular mechanism of p43 and YS-1 (recombinant human p43 protein) in Dll4-Notch1 signaling pathway. Active, small interfering RNA and recombinant plasmid targeting of p43 protein were used to infect human umbilical vein endothelial cells (HUVECs). Three-dimensional sprouting model, endothelial cell migration assay, and sprouting and tube formation a…
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- Deskripsi Fisik
- Acta Biochim Biophys Sin 2014, 46: 56–64
- Judul Seri
- Acta Biochim Biophys Sin
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