Search Results - "Hecker, C"

Streaming potential properties of ceramic nanofiltration membranes – Importance of surface charge on the ion rejection by Árki, P., Hecker, C., Tomandl, G., Joseph, Y.

“…•Determination of the membrane charge using streaming potential measurements.•The membrane charge significantly depending on the pH value of the feed.•Specific…”
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An optimized simulation model for iron-based Fischer–Tropsch catalyst design: Transfer limitations as functions of operating and design conditions by Hallac, Basseem B., Keyvanloo, Kamyar, Hedengren, John D., Hecker, William C., Argyle, Morris D.

“…•Heat and mass transfer resistances for iron Fischer–Tropsch catalysts were modeled.•Optimal conditions are 30bar, 256°C, and 80μm for maximum observed…”
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Toward an on-line characterization of kaolin calcination process using short-wave infrared spectroscopy by Guatame-García, A., Buxton, M., Deon, F., Lievens, C., Hecker, C.

“…In the production of calcined kaolin, the on-line monitoring of the calcination reaction is becoming more relevant for the generation of optimal products. In…”
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The Combined Effect of IgG and Fe Supply and Feeding Management on Growth Rates of Calves on Eight Commercial Dairy Farms in Germany by Hecker, Odile C, Schröter, Iris, Rienhoff, Andreas, Thönnissen, Anne, Meininghaus, Elena, Burkert, Sabrina, Mergenthaler, Marcus, Boelhauve, Marc

“…During the first days of a calf’s life, the foundations are laid for successful growth and thus also for the later performance of the cows. The aim of the…”
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Kinetics of Fischer-Tropsch synthesis on supported cobalt: Effect of temperature on CO and H 2 partial pressure dependencies by Keyvanloo, Kamyar, Lanham, Steven J., Hecker, William C.

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The potential of multidiurnal MODIS thermal band data for coal fire detection by Kuenzer, C., Hecker, C., Zhang, J., Wessling, S., Wagner, W.

“…In this paper we present the results of our analyses of multidiurnal low-resolution Moderate Resolution Imaging Spectroradiometer (MODIS) thermal data for coal…”
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Effect of Support Pretreatment Temperature on the Performance of an Iron Fischer–Tropsch Catalyst Supported on Silica-Stabilized Alumina by Kamyar Keyvanloo, Baiyu Huang, Trent Okeson, Hussein H. Hamdeh, William C. Hecker

“…The effect of support material pretreatment temperature, prior to adding the active phase and promoters, on Fischer–Tropsch activity and selectivity was…”
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Assessing the Influence of Reference Spectra on Synthetic SAM Classification Results by Hecker, C., van der Meijde, M., van der Werff, H., van der Meer, F.D.

“…Spectral matching algorithms, such as the Spectral Angle Mapper (SAM), utilize the spectral similarity between individual image pixel spectra and a spectral…”
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Start-up financing of professional pest control in pig farming in North Rhine-Westphalia in Germany by Hecker, Odile C, Boelhauve, Marc, Mergenthaler, Marcus

“…Due to the risk of spreading epizootic diseases through rodents, pest control is mandatory in pig farming in European countries. However, there is limited…”
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Detecting geothermal anomalies and evaluating LST geothermal component by combining thermal remote sensing time series and land surface model data by Romaguera, M., Vaughan, R.G., Ettema, J., Izquierdo-Verdiguier, E., Hecker, C.A., van der Meer, F.D.

“…This paper explores for the first time the possibilities to use two land surface temperature (LST) time series of different origins (geostationary Meteosat…”
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Effects of buprenorphine, methadone, and cariprazine on economic choice between remifentanil and food in squirrel monkeys by Amirali, Alishan S., Hecker, Jacquelin C., Figueroa-Monsanto, Hector L., Effinger, Devin P., Montoro, Rodrigo A., Jedema, Hank P., Vogt, Caleb D., Newman, Amy Hauck, Schindler, Charles W., Bradberry, Charles W.

“…We recently reported an economic choice task in which squirrel monkeys chose between differing amounts of remifentanil, a fast-acting opioid, or a food reward…”
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Modelling the Transmission Component in TIR Reflectance Spectra of Sandstones to Understand the Effect of Surface Roughness and Clinging Fines by Rost, E., Green, A. A., Werff, H. M. A., Schodlok, M. C., Meer, F. D., Hecker, C. A.

“…Surface roughness of rocks influences the spectral shape and amplitude of thermal infrared spectra, but the relationship is poorly understood. This research…”
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Iron Fischer-Tropsch Catalysts Prepared by Solvent-Deficient Precipitation (SDP): Effects of Washing, Promoter Addition Step, and Drying Temperature by Kyle M. Brunner, Baiyu Huang, Brian F. Woodfield, William C. Hecker

“…A novel, solvent-deficient precipitation (SDP) method for catalyst preparation in general and for preparation of iron FT catalysts in particular is reported…”
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Swelling properties and intrinsic reactivities of coal chars produced at elevated pressures and high heating rates by Zeng, Dong, Clark, Michael, Gunderson, Todd, Hecker, William C., Fletcher, Thomas H.

“…A high-temperature, high-pressure flat-flame burner reactor was developed to prepare char at different pressures. This system achieves particle heating rates…”
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Detection of hydrocarbons in clay soils: A laboratory experiment using spectroscopy in the mid- and thermal infrared by Meijde, M., van der, Knox, N, Cundill, S.L, Noomen, M.F, Werff, H.M.A., van der, Hecker, C

“…Remote sensing has been used for direct and indirect detection of hydrocarbons. Most studies so far focused on indirect detection in vegetated areas. We…”
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Effect of different alumina supports on performance of cobalt Fischer-Tropsch catalysts by Rahmati, Mahmood, Huang, Baiyu, Mortensen, Max K., Keyvanloo, Kamyar, Fletcher, Thomas H., Woodfield, Brian F., Hecker, William C., Argyle, Morris D.

“…[Display omitted] •Silica-modified alumina (Al-Si) is an optimal support for Fischer-Tropsch catalysts.•Silica-alumina support maintains gamma phase even after…”
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Models To Predict Kinetics of NO x Reduction by Chars as a Function of Coal Rank by Guo, Feng, Wu, Ruochen, Baxter, Larry L, Hecker, William C

“…During coal combustion, NO x reduction occurs by two possible routes: homogeneous reduction by hydrocarbons and heterogeneous reduction by char formed during…”
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Kinetics of Fischer-Tropsch synthesis on supported cobalt: Effect of temperature on CO and H2 partial pressure dependencies by Keyvanloo, Kamyar, Lanham, Steven J., Hecker, William C.

“…[Display omitted] •Pco dependency of FT rate decreases from +0.31 to −0.64 as temp increases.•Parallel H-assisted pathways leads to activated denominator…”
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Kinetics of deactivation by carbon of a cobalt Fischer–Tropsch catalyst: Effects of CO and H2 partial pressures by Keyvanloo, Kamyar, Fisher, McCallin J., Hecker, William C., Lancee, Remco J., Jacobs, Gary, Bartholomew, Calvin H.

“…[Display omitted] •Extensive deactivation by carbon data in the absence of other deactivation modes.•Deactivation rate increases with either increasing H2 or…”
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Highly active and stable supported iron Fischer-Tropsch catalysts: Effects of support properties and SiO2 stabilizer on catalyst performance by KEYVANLOO, Kamyar, HECKER, William C, WOODFIELD, Brian F, BARTHOLOMEW, Calvin H

“…Display Omitted * Effects of support properties on catalyst activity and stability were investigated. * A support with large pore volume accommodates higher Fe…”
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