搜索结果: 1-11 共查到“工学 precursor”相关记录11条 . 查询时间(0.181 秒)
Application of empirical mode decomposition to very low frequency signals for identification of seismic-ionospheric precursor phenomena
Earthquake Precursor Phenomena Empirical Mode Decomposition
2015/8/24
This study investigates the application of empirical mode decomposition to signals from very low frequency transmitters in Europe that were received in Thessaloniki, Greece, to provide a method for de...
The Effects of Precursor Emission and Background Concentration Changes on the Surface Ozone Concentration over Korea
Ozone Low-pass KZ-filter Emission effect OZIPR Long range transport
2016/3/28
The meteorologically adjusted long term variations of the surface ozone concentrations over 6 major cities in Korea were
determined by using the low-pass Kolmogorov and Zurbenko (KZ)-filter and multi...
Combining precursor incidents investigations and QRA in oil and gas industry
Quantitative risk analyses Investigation Precursor incident Oil and gas industry
2012/4/16
Accident investigation is the collection and examination of facts related to an occurred specific incident. Quantitative Risk Analysis (QRA) is the systematic use of available information to identify ...
Application of Highly Concentrated Substrate to Enzymatic Synthesis of Aspartame Precursor
aspartame enzymatic reaction peptide synthesis
2009/7/7
N-(benzyloxycarbonyl)-L-aspartyl-L-phenylalanine methyl ester (ZAPM) was synthesized enzymatically from highly concentrated N-(benzyloxycarbonyl)-L-aspartic acid (ZA) and L-phenylalanine methyl ester ...
Comparative Analysis of the Infuence of the Kindand Amount of Two Ferromagnetic Nanoadditives on the Structural Properties of Precursor Polyacrylonitrile Fibres
precursor fibres polyacrylonitrile nanoadditive ferromagnetic
2009/6/15
A comparative analysis of the influenceoftwodifferentferromagneticnanoadditivesontherheological properties of polyacrylonitrile spinning solutions in DMF, as well as on the porous
structure and tensi...
Effect of Fibre-spinning Conditions on the Properties of Nanosilica-containing Precursor PAN Fibres
polyacrylonitrile fibres nanoadditions precursor fibres
2009/2/9
Conditions for spinning nanosilica-containing precursor polyacrylonitrile fibres have been developed. The effect of process parameters on the structure and properties of nanocomposite PAN fibres has b...
Precursor Alginate Fibres Containing Nano-particles of SiO2
precursor alginate fibres calcium alginate nano-particles bone reconstruction
2009/2/7
Conditions for the manufacture of fibres from calcium alginate have been developed. These fibres contain nano-particles of SiO2, and are characterised by a high total volume and internal surface. Thei...
Resistance of Carbon and Active Carbon Precursor Nonwovens
electrode materials resistance active nonwovens
2009/2/5
Active carbon nonwovens tend to be attractive intermediate products for electrochemical
sources of electric current; they may be applied as electrode material in electrical capacitors
and super-capa...
Synthesis and rheological investigation of a magnetic fluid using olivary silica-coated iron particles as a precursor
Magnetic fluid Core–shell particle Rheology
2015/3/30
A new type of magnetic fluid was prepared by dispersing monodispersed iron–silica (Fe–SiO2) composite particles in polyethylene glycol (PEG) 400. The composite particles Fe–SiO2 were synthesized by hy...
Effect of prefiring temperature on the texture and optical property of Bi4Ti3O12/MgO(100) prepared by using a metal naphthenate precursor
prefiring temperature metal naphthenate
2011/5/6
The effect of prefiring temperature on the crystal structure and optical property of the Bi4Ti3O12 films on MgO substrates by using a metal naphthenate precursor was investigated. As-deposited films w...
Superconducting Thick-Films From a Y-Ba-Cu-O Precursor
thick film super conduction high temperature superconductors
2010/12/16
We have prepared screen-printed films of the Y-Ba-Cu-O compound starting from a spray-pyrolysis precursor powder. BeO ceramic substrates are confirmed to be inert with respect to the film up to about ...