Search Results - "De Beer, A. S."

Diagnosis of heroin body packing using computed tomography by de Beer, S A, Fa-Si-Oen, P R

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Surgery for Body Packing in the Caribbean: A Retrospective Study of 70 Patients by de Beer, S. A., Spiessens, G., Mol, W., Fa-Si-Oen, P. R.

“…Background Body packing is a way to deliver packages of drugs hidden in body cavities, across international borders. This may cause mechanical bowel…”
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Impact of vacuum bell on thoracic shape and cardiac function in pectus excavatum by van Schuppen, J., de Beer, S.A., van der Hulst, A.E., Planken, R.N.

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Intra‐nodal nevi in sentinel node‐negative patients with cutaneous melanoma does not influence survival by Beer, F.S.A., Diest, P.J., Sigurdsson, V., El Sharouni, M.

“…Background Melanoma patients with intra‐nodal nevi (INN) and without melanoma metastasis in the sentinel lymph node biopsy (SLNB) are generally treated as…”
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The impact of postoperative complications on health-related quality of life in older patients with rectal cancer; a prospective cohort study by Couwenberg, Alice M., de Beer, Fleur S.A., Intven, Martijn P.W., Burbach, Johannes P.M., Smits, Anke B., Consten, Esther C.J., Schiphorst, Anandi H.W., Wijffels, Niels A.T., de Roos, Marnix A.J., Hamaker, Marije E., van Grevenstein, Wilhemina M.U., Verkooijen, Helena M.

“…As result of the aging population and increasing rectal cancer incidence, more older patients undergo treatment for rectal cancer. This study compares…”
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Some considerations for miniaturized measurement shunts in high frequency power electronic converters by Joannou, A. J. L., Pentz, D. C., van Wyk, J. D., de Beer, A. S.

“…Power semi-conductors are able to achieve switching transients within a few nanoseconds and possibly even faster. These fast switching transients will need to…”
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Contactless Power Line Communications at 2.45GHz by de Beer, A.S., Igboamalu, F.N., Sheri, A., Ferreira, H.C., Han Vinck, A.J.

“…In this paper it is shown how a power line can be used to conductively carry and re-radiate 2.45GHz Wi-Fi signals over a distance. This can be useful when a…”
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Contactless power-line communications by de Beer, A. S., Ferreira, H. C., Vinck, A. J. Han

“…Power lines that carry communication signals tend to produce radiated electromagnetic interference (EMI). In this paper it is shown how this, usually negative…”
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Noise generated by modern lamps and the influence on the smart-grid communication network by Emleh, A., de Beer, A. S., Ferreira, H. C., Han Vinck, A. J.

“…The metal halide lamp is a high energy electric lamp that produces visible light by an electric arc tube and it is a type of high-intensity discharge (HID)…”
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On mercury vapor lamps and their effect on the smart-grid PLC channel by Emleh, A., De Beer, A. S., Ferreira, H. C., Han Vinck, A. J.

“…The mercury vapor lamp is the oldest high intensity discharge technology lamp that uses an electric arc, and comes in different shapes and designs. It creates…”
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The influence of fluorescent lamps with electronic ballast on the low voltage PLC network by Emleh, A., de Beer, A. S., Ferreira, H. C., Vinck, A. J. Han

“…The fluorescent lamps or fluorescent tubes are low pressure mercury-vapor gas-discharge lamps that use fluorescence to produce visible light. These lamps…”
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Noise detection on the low voltage network PLC channel for direct and indirect connections by Emleh, A., de Beer, A. S., Ferreira, H. C., Vinck, A. J. Han

“…The power-line communications channel (PLC) is one of the harsh and challenging channels due to heavy load and noise impairments. Sending and/or receiving of…”
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An experimental study of switching GaN FETs in a coaxial transmission line by Joannou, A. J. L., Pentz, D. C., van Wyk, J. D., de Beer, A. S.

“…The switching characteristics of GaN FETs have not yet been measured accurately because of their small electromagnetic size in relation to the circuit and the…”
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Dupilumab facial redness: Positive effect of itraconazole by de Beer, Fleur S.A., Bakker, Daphne S., Haeck, Inge, Ariens, Lieneke, van der Schaft, Jorien, van Dijk, Marijke R., de Bruin-Weller, Marjolein S.

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Factors Influencing Common Mode EMI Generation in Boost Converters by de Beer, A.S., Faul, K.

“…This paper gives three factors that govern the generation of Common Mode (CM) Electromagnetic Interference (EMI) in Boost Converters. They are the magnitude of…”
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Influence of cable selection on channel frequency response for low voltage indoor cables by de Beer, A. S., Sheri, A., Ferreira, H. C.

“…The Channel Frequency Response (CFR) is an important parameter in the specification of Power Line Communications (PLC) equipment. In this paper, low voltage…”
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The effect of coupling circuits on impulsive noise in power line communication by Samakande, T., Shongwe, T., de Beer, A. S., Ferreira, H. C.

“…Most researchers in the Power Line Communications (PLC) field have adopted the practice of using idealized impulse noise models directly at the input of the…”
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Estimating radiating current from digital PCB's with attached wire by de Beer, A. S.

“…This paper shows the problematic aspects when estimating radiating current from digital PCB's with attached wires. Variances in the digital waveform,…”
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A Practical Method to Identify Contributions of Harmonics in Power Systems by de Beer, A.S., Kasemuana, S., Pretorius, J.H.C.

“…This paper presents a practical method to quantify the contribution of harmonics between the utility and a customer at the point of common coupling (PCC). This…”
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Journalism education finding its way into the 2000s by de Beer, A. S, Prince, E.

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