Search Results - "Stahl, Ullrich"

Long-Term Stability of Polymer-Coated Surface Transverse Wave Sensors for the Detection of Organic Solvent Vapors by Stahl, Ullrich, Voigt, Achim, Dirschka, Marian, Barié, Nicole, Richter, Christiane, Waldbaur, Ansgar, Gruhl, Friederike J, Rapp, Bastian E, Rapp, Michael, Länge, Kerstin

“…Arrays with polymer-coated acoustic sensors, such as surface acoustic wave (SAW) and surface transverse wave (STW) sensors, have successfully been applied for…”
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Adsorption dynamics of Cd2+(aq) on microwave-synthetized pristine biochar from cocoa pod husk: Green, experimental, and DFT approaches by Correa-Abril, Jhonny, Stahl, Ullrich, Cabrera, Elvia V., Parra, Yonathan J., Vega, Michael A., Taamalli, Sonia, Louis, Florent, Rodríguez-Díaz, Joan Manuel

“…Biochar obtained via microwave-assisted pyrolysis (MAP) at 720 W and 15 min from cocoa pod husk (CPH) is an efficient adsorbent of Cd2+(aq). Biochar of…”
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Natural and Activated Allophane Catalytic Activity Based on the Microactivity Test in Astm Norm 3907/D3907M-2019 by Jiménez Calderón, Edward Henry, Paucar Tipantuña, Ana Emperatriz, Herrera Mullo, Paulina Fernanda, Hidalgo Cháfuel, Daniel Alejandro, Ruiz, Washington, Stahl, Ullrich, Bermudez, José

“…The optimal conditions of the catalytic activation of allophane were evaluated for possible use as a catalyst within a fluidized bed catalytic cracking unit…”
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Nanotechnological characterization of allofanite and faujasite (Y-faujasite) catalysts and comparing with a commercial FCC catalyst (X-zeolite) by Jiménez, Edward, Lalangui, Santiago, Guacho, Edison, Emperatriz Paucar, Ana, Herrera, Paulina, Vaca, David, González, Humberto, Ochoa, Patricia, Stahl, Ullrich, López, Gustavo

“…We studied the synthesis variables of the faujasite using natural clinker of the Cotopaxi volcano, and allophane (allofanite) from the province of Santo…”
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Detection of coffee flavour ageing by solid-phase microextraction/surface acoustic wave sensor array technique (SPME/SAW) by Barié, Nicole, Bücking, Mark, Stahl, Ullrich, Rapp, Michael

“…•A new and affordable method to measure coffee ageing is presented.•This method is compared to traditional analytical techniques.•The new method showed a…”
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Long-term capability of polymer-coated surface transverse wave sensors for distinguishing vapors of similar hydrocarbons by Stahl, Ullrich, Voigt, Achim, Dirschka, Marian, Barié, Nicole, Richter, Christiane, Waldbaur, Ansgar, Gruhl, Friederike J., Rapp, Bastian E., Rapp, Michael, Länge, Kerstin

“…•Polymer-coated acoustic sensors are stable for at least one year.•Acoustic sensor array allows distinguishing vapors of similar hydrocarbons.•Xylene and…”
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Adsorption dynamics of Cd 2+ (aq) on microwave-synthetized pristine biochar from cocoa pod husk: Green, experimental, and DFT approaches by Correa-Abril, Jhonny, Stahl, Ullrich, Cabrera, Elvia V, Parra, Yonathan J, Vega, Michael A, Taamalli, Sonia, Louis, Florent, Rodríguez-Díaz, Joan Manuel

“…Biochar obtained via microwave-assisted pyrolysis (MAP) at 720 W and 15 min from cocoa pod husk (CPH) is an efficient adsorbent of Cd (aq). Biochar of residual…”
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Vacuum-deposited wave-guiding layers on STW resonators based on LiTaO sub(3) substrate as love wave sensors for chemical and biochemical sensing in liquids by Barie, Nicole, Stahl, Ullrich, Rapp, Michael

“…A promising approach to apply the Love wave concept to commercially available low-loss surface acoustic wave (SAW) devices of the type Murata SAF 380 is…”
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Vacuum-deposited wave-guiding layers on STW resonators based on LiTaO 3 substrate as love wave sensors for chemical and biochemical sensing in liquids by Barié, Nicole, Stahl, Ullrich, Rapp, Michael

“…A promising approach to apply the Love wave concept to commercially available low-loss surface acoustic wave (SAW) devices of the type Murata SAF 380 is…”
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Vacuum-deposited wave-guiding layers on STW resonators based on LiTaO3 substrate as love wave sensors for chemical and biochemical sensing in liquids by BARIE, Nicole, STAHL, Ullrich, RAPP, Michael

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Vacuum-deposited wave-guiding layers on STW resonators based on LiTaO(3) substrate as love wave sensors for chemical and biochemical sensing in liquids by Barié, Nicole, Stahl, Ullrich, Rapp, Michael

“…A promising approach to apply the Love wave concept to commercially available low-loss surface acoustic wave (SAW) devices of the type Murata SAF 380 is…”
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On the mass sensitivity of Rayleigh surface acoustic wave (RSAW) resonators by Avramov, Ivan D., Stahl, Ullrich

“…We provide and discuss experimental data on the mass sensitivity of Rayleigh surface acoustic wave (RSAW) two-port resonators (TPR) as an alternative to the…”
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Theoretical and experimental mass-sensitivity analysis of polymer-coated SAW and STW resonators for gas sensing applications by Yantchev, V.M., Strashilov, V.L., Rapp, M., Stahl, U., Avramov, I.D.

“…Polymer-coated surface transverse waves (STW) resonators have recently been successfully studied for organic gas sensing applications. The first results…”
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Lost chapter of Physical Chemistry means convergence between Fisher Kolmogorov equation and tunnel effect by Edward, Jimenez, Hector, Mosquera, Marco, Cortez, Jimenez, Esteban, Ayala, Carlos E, Gustavo, Lopez, Ullrich, Stahl

“…In this work we show that the dynamics of chemical reactions of order zero, one and two have a representation through logistics probability. This probability…”
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