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Showing 1 to 12 of 193 entries
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Life: the science of biology

science instructors

Hillis DM, Heller HC.
GSID: bQV4w3Yl-MQJ
DE Sadava, DM Hillis, HC Heller - 2009 - books.google.com

… In response to instructors who asked for more real-world data, we have incorporated a feature introduced online in the Eighth Edition, WORKING WITH DATA. There are now 36 of these exercises, most of which relate to an Investigating...

Nucleation of amorphous shear bands at nanotwins in boron suboxide.

Nature communications

An Q, Reddy KM, Qian J, Hemker KJ, Chen MW, Goddard WA.
PMID: 27001922
Nat Commun. 2016 Mar 22;7:11001. doi: 10.1038/ncomms11001.

The roles of grain boundaries and twin boundaries in mechanical properties are well understood for metals and alloys. However, for covalent solids, their roles in deformation response to applied stress are not established. Here we characterize the nanotwins in...

Atomic-Level Understanding of "Asymmetric Twins" in Boron Carbide.

Physical review letters

Xie KY, An Q, Toksoy MF, McCauley JW, Haber RA, Goddard WA, Hemker KJ.
PMID: 26551123
Phys Rev Lett. 2015 Oct 23;115(17):175501. doi: 10.1103/PhysRevLett.115.175501. Epub 2015 Oct 20.

Recent observations of planar defects in boron carbide have been shown to deviate from perfect mirror symmetry and are referred to as "asymmetric twins." Here, we demonstrate that these asymmetric twins are really phase boundaries that form in stoichiometric...

Comparison of rapeseed cultivars and resynthesized lines based on allozyme and RFLP markers.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Becker HC, Engqvist GM, Karlsson B.
PMID: 24169668
Theor Appl Genet. 1995 Jul;91(1):62-7. doi: 10.1007/BF00220859.

It has frequently been suggested to use the resynthesis of rapeseed (Brassica napus) from B. campestris and B. oleracea to broaden its genetic base. The objective of the present study is twofold: (1) to compare the genetic variation within...

Inhibition of blood coagulation factors by serine esterase inhibitors.

FEBS letters

De Lange JA, Hemker HC.
PMID: 11946685
FEBS Lett. 1972 Aug 15;24(3):265-268. doi: 10.1016/0014-5793(72)80369-7.

No abstract available.

Deformation twinning in nanocrystalline aluminum.

Science (New York, N.Y.)

Chen M, Ma E, Hemker KJ, Sheng H, Wang Y, Cheng X.
PMID: 12714676
Science. 2003 May 23;300(5623):1275-7. doi: 10.1126/science.1083727. Epub 2003 Apr 24.

We report transmission electron microscope observations that provide evidence of deformation twinning in plastically deformed nanocrystalline aluminum. The presence of these twins is directly related to the nanocrystalline structure, because they are not observed in coarse-grained pure aluminum. We...

[School children and the pediatrician].

Zeitschrift fur arztliche Fortbildung

HEMPEL HC.
PMID: 13312386
Z Arztl Fortbild (Jena). 1956 Jan 15;50(1):36-8.

No abstract available.

[New possibilities in pediatric surgery].

Arztliche Wochenschrift

LINDER F, HECKER WC.
PMID: 14417129
Arztl Wochensch. 1960 Feb 19;15:129-34.

No abstract available.

Measurement of the high energy two-body deuteron photodisintegration differential cross section.

Physical review letters

Schulte EC, Ahmidouch A, Armstrong CS, Arrington J, Asaturyan R, Avery S, Baker OK, Beck DH, Blok HP, Bochna CW, Boeglin W, Bosted PY, Bouwhuis M, Breuer H, Brown DS, Bruell A, Cadman RV, Carlini R, Chant NS, Cochran A, Cole L, Danagoulian S, Day DB, Dunne JA, Dutta D, Ent R, Fenker HC, Fox B, Gan L, Gao H, Garrow K, Gaskell D, Gasparian A, Geesaman DF, Gilman R, Glashausser C, Gueye P, Harvey M, Holt RJ, Jackson HE, Jiang X, Keppel CE, Kinney ER, Liang Y, Lorenzon W, Lung AF, Mack DJ, Markowitz PE, Martin J, McIlhany K, McKee D, Meekins DG, Miller MA, Milner RG, Mitchell JH, Mkrtchyan H, Mueller BA, Nathan AM, Niculescu G, Niculescu I, O'Neill TG, Papavassiliou V, Pate SF, Piercey RB, Potterveld DH, Ransome RD, Reinhold J, Rollinde E, Roos P, Saha A, Sarty AJ, Sawafta R, Segbefia E, Shin T, Stepanyan S, Strauch S, Sutter MF, Tadevosyan V, Tang L, Tieulent R, Uzzle A, Vulcan WF, Wood SA, Xiong F, Yuan L, Zeier M, Zihlmann B, Ziskin V.
PMID: 11531475
Phys Rev Lett. 2001 Sep 03;87(10):102302. doi: 10.1103/PhysRevLett.87.102302. Epub 2001 Aug 16.

The first measurements of the d(gamma,p)n differential cross section at forward angles and photon energies above 4 GeV were performed at the Thomas Jefferson National Accelerator Facility (JLab). The results indicate evidence of an angular dependent scaling threshold. Results...

Bloch wave analysis of the Eshelby twist contrast around end-on screw dislocations in bcc Mo.

Ultramicroscopy

Mendis BG, Hemker KJ.
PMID: 18403123
Ultramicroscopy. 2008 Aug;108(9):855-64. doi: 10.1016/j.ultramic.2008.02.005. Epub 2008 Feb 29.

In high-resolution electron microscopy (HREM), dislocation core structures are examined by tilting the dislocation end-on along the appropriate zone axis. For end-on screw dislocations diffraction contrast is largely due to surface relaxation in the form of the Eshelby twist....

Comparison between left and right heart function in the isolated biventricular working rat heart.

Experimental and clinical cardiology

Müller-Strahl G, Hemker J, Zimmer HG.
PMID: 19644573
Exp Clin Cardiol. 2002;7(1):7-19.

OBJECTIVE: To provide a basic characterization of the crystalline perfused isolated rat heart preparation in its biventricular working mode.ANIMALS AND METHODS: In 110 isolated biventricular heart preparations, flows and intraventricular pressures were examined by applying 24 and 28 different...

Man and sea urchin - more closely related than African and American trypanosomes?.

Parasitology today (Personal ed.)

Hecker H.
PMID: 15463707
Parasitol Today. 1993 Feb;9(2):57. doi: 10.1016/0169-4758(93)90035-e.

No abstract available.

Showing 1 to 12 of 193 entries