نتایج جستجو برای: template removal
تعداد نتایج: 186024 فیلتر نتایج به سال:
The development of electrocardiogram (ECG) wearable devices has increased due to its applications on ambulatory patients. ECG signals provide useful information about the heart behavior, but when daily activities are monitored, motion artifacts introduced producing saturation signal, thus losing information. typical resolution used record is maximum 16-bit, which might not be enough detect low-...
The first anion-templated synthesis of a lanthanide-containing interlocked molecule is demonstrated by utilizing a nitrite anion to template initial pseudorotaxane formation. Subsequent stoppering of the interpenetrated assembly allows for the preparation of a lanthanide-functionalized [2]rotaxane in high yield. Following removal of the nitrite anion template, the europium [2]rotaxane host is d...
It happens inside: highly active nanoreactors are prepared by encapsulating dendritic Pt nanoparticles (NPs) grown on a polystyrene template inside hollow porous silica capsules. The catalytic activity of these Pt NPs is preserved after encapsulation and template removal. Different metals, such as Ni, can thus be reduced inside the capsules, thereby leading to the formation of composites with t...
Highly crystallized C-doped mesoporous anatase TiO2 is prepared using a multi-walled carbon nanotube (MWCNT) mat as both a “rigid” pore template and a carbon doping source. SEM and TEM characterization shows that the MWCNT template imposed a pore structure in reverse of that of the MWCNT mat. The pore walls are formed by chain-like interconnected TiO2 nanocrystals with an average diameter about...
The co-condensation of a tetraethoxysilane molecule on a neutral n-octylamine surfactant template is a convenient synthetic methodology for mesostructured material preparations. Distinct routes of template removal were investigated. The neutral surfactant was removed by calcination, hot solvent extraction, heating at 150 uC, in vacuo at room temperature and at 100 uC, and air drying, with the p...
Abstract We investigated removal of electrocardiogram (ECG) artifacts from the myoelectric prosthesis control signals, taken from the reinnervated pectoralis muscles of a patient with bilateral amputations at shoulder disarticulation level. The performance of various ECG artifact removal methods including high pass filtering, spike clipping, template subtracting, wavelet thresholding and adapti...
Optical music recognition algorithms have traditionally included removal of stafflines as a first step. In this project we have devised a way to perform OMR without staffline removal. The steps that are used involve template matching, creation of ROC curves to find the best threshold, thresholding to obtain coordinates of matched symbols, and finally pitch determination from the obtained points.
The key step in the preparation of mesoporous silica materials is removal organic templates occluded inside pores including nonionic, cationic, anionic surfactants and even ionic liquid (IL). most common method to remove conventional calcination under air at 550 °C. Although can be completely removed from pores, suffers many serious drawbacks significant framework shrinkage, collapse ordered st...
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