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Showing 1 to 12 of 645 entries
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Experiences with a focus on testing in teaching

science curriculum

Christensen HB.
GSID: y-Kc9x5k13QJ
HB Christensen - Reflections on the Teaching of Programming, 2008 - Springer

Software of high quality is a major concern in teaching programming: simply making any program that fulfills the requirements is not enough. Yet the way teachers often state …

Systematic testing should not be a topic in the computer science curriculum!

science curriculum

Christensen HB.
GSID: udebKPTp4DAJ
HB Christensen - ACM SIGCSE Bulletin, 2003 - dl.acm.org

… In this paper we argue that treating "testing" as an isolated topic is a wrong approach in computer science and software engineering teaching. Instead testing should pervade practical topics and exercises in the computer science curriculum to teach...

Incommensurate Chirality Density Wave Transition in a Hybrid Molecular Framework.

Physical review letters

Hill JA, Christensen KE, Goodwin AL.
PMID: 28949218
Phys Rev Lett. 2017 Sep 15;119(11):115501. doi: 10.1103/PhysRevLett.119.115501. Epub 2017 Sep 14.

Using single-crystal x-ray diffraction we characterize the 235 K incommensurate phase transition in the hybrid molecular framework tetraethylammonium silver(I) dicyanoargentate, [NEt_{4}]Ag_{3}(CN)_{4}. We demonstrate the transition to involve spontaneous resolution of chiral [NEt_{4}]^{+} conformations, giving rise to a state in...

Cranberry Juice and Combinations of Its Organic Acids Are Effective against Experimental Urinary Tract Infection.

Frontiers in microbiology

Jensen HD, Struve C, Christensen SB, Krogfelt KA.
PMID: 28421045
Front Microbiol. 2017 Apr 04;8:542. doi: 10.3389/fmicb.2017.00542. eCollection 2017.

The antibacterial effect of cranberry juice and the organic acids therein on infection by uropathogenic

Early Clinical & Radiographic Results of NFix II Posterior Dynamic Stabilization System.

SAS journal

Acosta FL, Christensen FB, Coe JD, Jahng TA, Kitchel SH, Meisel HJ, Schnöring M, Wingo CH, Ames CP.
PMID: 25802605
SAS J. 2008 Jun 01;2(2):69-75. doi: 10.1016/SASJ-2007-0121-NT. eCollection 2008.

BACKGROUND: Complications associated with rigid posterior instrumented fusions of the lumbar spine include pseudarthrosis, accelerated adjacent-segment disease, hardware failure, and iatrogenic fixed sagittal imbalance. Posterior pedicle screw/rod-based dynamic stabilization systems, in which semirigid rods or cords are used to...

Interspecific hybridization among cultivars of hardy Hibiscus species section Muenchhusia.

Breeding science

Kuligowska K, Lütken H, Christensen B, Müller R.
PMID: 27162501
Breed Sci. 2016 Mar;66(2):300-8. doi: 10.1270/jsbbs.66.300. Epub 2016 Mar 01.

Rose mallows belong to the Muenchhusia section of the Hibiscus genus. They represent a small group of cold tolerant North American plants and are popular ornamentals mainly because of their abundant, large and colorful flowers. Due to their geographical...

Denitrification and oxygen respiration in biofilms studied with a microsensor for nitrous oxide and oxygen.

Microbial ecology

Nielsen LP, Christensen PB, Revsbech NP, Sørensen J.
PMID: 24196255
Microb Ecol. 1990 Jan;19(1):63-72. doi: 10.1007/BF02015054.

Depth distributions of O2 respiration and denitrification activity were studied in 1- to 2-mm thick biofilms from nutrient-rich Danish streams. Acetylene was added to block the reduction of N2O, and micro-profiles of O2 and N2O in the biofilm were...

The Nordic long-term OCD treatment study (NordLOTS): rationale, design, and methods.

Child and adolescent psychiatry and mental health

Thomsen PH, Torp NC, Dahl K, Christensen K, Englyst I, Melin KH, Nissen JB, Hybel KA, Valderhaug R, Weidle B, Skarphedinsson G, von Bahr PL, Ivarsson T.
PMID: 24354717
Child Adolesc Psychiatry Ment Health. 2013 Dec 19;7(1):41. doi: 10.1186/1753-2000-7-41.

BACKGROUND: This paper describes and discusses the methodology of the Nordic long-term OCD-treatment study (NordLOTS). The purpose of this effectiveness study was to study treatment outcome of CBT, to identify CBT non- or partial responders and to investigate whether...

Polarization of membrane associated proteins in the choroid plexus epithelium from normal and slc4a10 knockout mice.

Frontiers in physiology

Christensen IB, Gyldenholm T, Damkier HH, Praetorius J.
PMID: 24348423
Front Physiol. 2013 Nov 27;4:344. doi: 10.3389/fphys.2013.00344. eCollection 2013.

The choroid plexus epithelium (CPE) has served as a model-epithelium for cell polarization and transport studies and plays a crucial role for cerebrospinal fluid (CSF) production. The normal luminal membrane expression of Na(+),K(+)-ATPase, aquaporin-1 and Na(+)/H(+) exchanger 1 in...

Evaluating manta ray mucus as an alternative DNA source for population genetics study: underwater-sampling, dry-storage and PCR success.

PeerJ

Kashiwagi T, Maxwell EA, Marshall AD, Christensen AB.
PMID: 26413431
PeerJ. 2015 Aug 13;3:e1188. doi: 10.7717/peerj.1188. eCollection 2015.

Sharks and rays are increasingly being identified as high-risk species for extinction, prompting urgent assessments of their local or regional populations. Advanced genetic analyses can contribute relevant information on effective population size and connectivity among populations although acquiring sufficient...

Authors' Response to Kaufman and Muntaner.

International journal of epidemiology

Arden R, Luciano M, Deary IJ, Reynolds CA, Pedersen NL, Plassman BL, McGue M, Christensen K, Visscher PM.
PMID: 27018017
Int J Epidemiol. 2016 Apr;45(2):578-9. doi: 10.1093/ije/dyw020. Epub 2016 Mar 27.

No abstract available.

Herbivory and tree mortality across a pinyon pine hybrid zone.

Oecologia

Christensen KM, Whitham TG, Keim P.
PMID: 28306972
Oecologia. 1995 Jan;101(1):29-36. doi: 10.1007/BF00328896.

We examined the abundances of three common insect herbivores on pure and hybrid pinyon pines along a 250-km transect in west-central Arizona, United States. Using six morphological traits, we developed a hybrid index to classify trees as pure Pinus...

Showing 1 to 12 of 645 entries