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Showing 1 to 12 of 281 entries
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STEM EDUCATION IN FORMAL AND INFORMAL ENVIRONMENTS: THE REAL WAY

STEM Education

Jackson C, Wilhelm J.
GSID: zsDvGlGAqwwJ
J Wilhelm, C Jackson - SHORT ORAL COMMUNICATIONS - researchgate.net

This research concerns how well sixth grade students interacted with a project-based curriculum called REAL (Realistic Explorations in Astronomical Learning) as they engaged in …

Creating project-based STEM environments

Asset based approaches STEM training

Cole M, Wilhelm J.
GSID: en1nGksEbU4J
J Wilhelm, R Wilhelm, M Cole - 2019 - Springer

… to the STEM education community due to its research to practice approach. The intended audience is preservice and in-service teachers as well as STEM education researchers. This …

Bulk and molecular compressibilities of organic-inorganic hybrids [(CH₃)₄N]₂MnX₄ (X = Cl, Br); role of intermolecular interactions.

Inorganic chemistry

Barreda-Argüeso JA, Nataf L, Rodríguez-Lazcano Y, Aguado F, González J, Valiente R, Rodríguez F, Wilhelm H, Jephcoat AP.
PMID: 25244664
Inorg Chem. 2014 Oct 06;53(19):10708-15. doi: 10.1021/ic501854g. Epub 2014 Sep 22.

This work reports an X-ray diffraction, X-ray absorption, and Raman spectroscopy study of [(CH₃)₄N]₂MnX₄ (X = Cl, Br) under pressure. We show that both compounds share a similar phase diagram with pressure. A P2₁/c monoclinic structure describes precisely the...

Chemiexcitation Efficiency of Intermolecular Electron-transfer Catalyzed Peroxide Decomposition Shows Low Sensitivity to Solvent-cavity Effects.

Photochemistry and photobiology

Khalid M, de Souza SP, Bartoloni FH, Augusto FA, Baader WJ.
PMID: 27144784
Photochem Photobiol. 2016 Jul;92(4):537-45. doi: 10.1111/php.12599. Epub 2016 Jun 06.

Intermolecular chemically initiated electron exchange luminescence (CIEEL) systems are known to possess low chemiluminescence efficiency; whereas, the corresponding intramolecular transformations are highly efficient. As the reasons for this discrepancy are not known, we report in this work our studies...

Long-term results after endoscopic drainage of pancreatic pseudocysts: A single-center experience.

Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.]

Rückert F, Lietzmann A, Wilhelm TJ, Sold M, Kähler G, Schneider A.
PMID: 28606430
Pancreatology. 2017 Jul - Aug;17(4):555-560. doi: 10.1016/j.pan.2017.06.002. Epub 2017 Jun 03.

BACKGROUND: Pancreatic pseudocysts (PPC) are collections of fluid encapsulated within a well-defined inflammatory wall that develop during pancreatic inflammation. Internal drainage represents the standard of care in lesions that persist and lead to symptoms and complications. Only limited data...

Efficient estimation of resonant coupling between quantum systems.

Physical review letters

Stenberg MP, Sanders YR, Wilhelm FK.
PMID: 25479480
Phys Rev Lett. 2014 Nov 21;113(21):210404. doi: 10.1103/PhysRevLett.113.210404. Epub 2014 Nov 21.

We present an efficient method for the characterization of two coupled discrete quantum systems, one of which can be controlled and measured. For two systems with transition frequencies ωq, ωr, and coupling strength g we show how to obtain...

Spontaneous evisceration of bowel through an umbilical hernia in a patient with refractory ascites.

Journal of surgical case reports

Ogu US, Valko J, Wilhelm J, Dy V.
PMID: 24964319
J Surg Case Rep. 2013 Oct 04;2013(10). doi: 10.1093/jscr/rjt073.

Umbilical hernia in the cirrhotic patient is frequently seen in the setting of refractory ascites. This article reports a rare case of spontaneous rupture of a recurrent umbilical hernia in a patient with persistent ascites, following an acute increase...

NADPH oxidase 4 is not involved in hypoxia-induced pulmonary hypertension.

Pulmonary circulation

Veith C, Kraut S, Wilhelm J, Sommer N, Quanz K, Seeger W, Brandes RP, Weissmann N, Schröder K.
PMID: 27683617
Pulm Circ. 2016 Sep;6(3):397-400. doi: 10.1086/687756.

No abstract available.

Digital Pupillometry in Normal Subjects.

Neuro-ophthalmology (Aeolus Press)

Rickmann A, Waizel M, Kazerounian S, Szurman P, Wilhelm H, Boden KT.
PMID: 28228832
Neuroophthalmology. 2016 Oct 03;41(1):12-18. doi: 10.1080/01658107.2016.1226345. eCollection 2017 Feb.

The aim of this study was to evaluate the pupil size of normal subjects at different illumination levels with a novel pupillometer. The pupil size of healthy study participants was measured with an infrared-video PupilX pupillometer (MEye Tech GmbH,...

Crystallization of potash alum: effect of power ultrasound.

Ultrasonics sonochemistry

Amara N, Ratsimba B, Wilhelm AM, Delmas H.
PMID: 11441609
Ultrason Sonochem. 2001 Jul;8(3):265-70. doi: 10.1016/s1350-4177(01)00087-6.

The influence of power ultrasound on the crystallization of potash alum was investigated. Experiments have been carried out in a batch stirred vessel. It was found that ultrasonic waves decrease the supersaturation limits and modify the morphology of the...

Superconducting single-charge transistor in a tunable dissipative environment.

Physical review letters

Wilhelm FK, Schön G, Zimányi GT.
PMID: 11580615
Phys Rev Lett. 2001 Sep 24;87(13):136802. doi: 10.1103/PhysRevLett.87.136802. Epub 2001 Sep 07.

We study a superconducting single-charge transistor, where the coherence of Cooper pair tunneling is destroyed by the coupling to a tunable dissipative environment. Sequential tunneling and cotunneling processes are analyzed to construct the shape of the conductance peaks and...

Modelling of free radicals production in a collapsing gas-vapour bubble.

Ultrasonics sonochemistry

Sochard S, Wilhelm AM, Delmas H.
PMID: 11237048
Ultrason Sonochem. 1997 Apr;4(2):77-84. doi: 10.1016/s1350-4177(97)00021-7.

This paper deals with a model linking bubble dynamics under an acoustic pressure field and production of free radicals in the resulting collapses of this bubble. The bubble dynamics model includes interdiffusion of gas and vapour in the bubble...

Showing 1 to 12 of 281 entries