Derald J. Holtkamp - Articles - Scientific Research Publishing

Development and Validation of an Objective Risk Scoring System for Assessing the Likelihood of Virus Introduction in Porcine Reproductive and Respiratory Syndrome Virus-Free Sow Farms in the US (Articles)

Derald J. Holtkamp, Hui Lin, Chong Wang, Dale D. Polson

Open Journal of Veterinary Medicine Vol.3 No.2, June 6, 2013

DOI: 10.4236/ojvm.2013.32026 4,528 Downloads 7,247 Views Citations
Women’s Underrepresentation in German Politics—Reforms and Reform Needs Based on the Local Level (Articles)

Lars Holtkamp, Rosalyn Dressman

Open Journal of Political Science Vol.12 No.2, April 29, 2022

DOI: 10.4236/ojps.2022.122016 512 Downloads 3,451 Views Citations
This article belongs to the Special Issue on Political Reform and Democracy
New components of the mercury’s perihelion precession (Articles)

J. J. Smulsky

Natural Science Vol.3 No.4, April 20, 2011

DOI: 10.4236/ns.2011.34034 10,586 Downloads 16,806 Views Citations
Simple General Purpose Ion Beam Deceleration System Using a Single Electrode Lens (Articles)

J. Lopes, J. Rocha

World Journal of Engineering and Technology Vol.3 No.3, August 6, 2015

DOI: 10.4236/wjet.2015.33014 8,438 Downloads 10,028 Views Citations
Calculation of Statistics Relating to Periodic Variation (Articles)

J. J. Howarth

Open Access Library Journal Vol.1 No.4, July 16, 2014

DOI: 10.4236/oalib.1100640 4,166 Downloads 5,383 Views Citations
Effect of Solidification Process Parameters on the Microstructure of Some Meltspun Nickel-Based Hardfacing Alloys (Articles)

J. A. Ajao

Journal of Minerals and Materials Characterization and Engineering Vol.8 No.10, October 20, 2009

DOI: 10.4236/jmmce.2009.810067 9,375 Downloads 11,536 Views Citations
Scanning Electron Microscopy of Some Slowly Cooled Nickel-Based Hardfacing Alloys Containing Iron Additions (Articles)

J. A. Ajao

Journal of Minerals and Materials Characterization and Engineering Vol.9 No.2, February 20, 2010

DOI: 10.4236/jmmce.2010.92012 6,479 Downloads 8,667 Views Citations
Preparation and Structural Characterization of Vanadium Doped Ni – B Binary Hard Alloys (Articles)

J. A. Ajao

Journal of Minerals and Materials Characterization and Engineering Vol.9 No.6, June 20, 2010

DOI: 10.4236/jmmce.2010.96040 7,303 Downloads 9,219 Views Citations
Sources of the Ultra-High Energy Cosmic Rays (UHECRs) (Part II) (Articles)

J. Wirsich

Open Access Library Journal Vol.4 No.1, January 12, 2017

DOI: 10.4236/oalib.1103107 1,354 Downloads 3,193 Views Citations
Utilizing Occupancy Models and Platforms-of-Opportunity to Assess Area Use of Mother-Calf Humpback Whales (Articles)

J. J. Currie, S. H. Stack, J. A. McCordic, J. Roberts

Open Journal of Marine Science Vol.8 No.2, April 18, 2018

DOI: 10.4236/ojms.2018.82014 1,665 Downloads 4,040 Views Citations
High Energy and Large Scale Structures as Gauge Invariant Spectra of Local Super-Symmetry (Articles)

J. Towe

Journal of Modern Physics Vol.9 No.5, April 30, 2018

DOI: 10.4236/jmp.2018.95069 941 Downloads 2,026 Views Citations
Stabilization of Linear Multistage Amplifiers (Articles)

J. Ladvánszky

Circuits and Systems Vol.9 No.11, November 12, 2018

DOI: 10.4236/cs.2018.911017 1,311 Downloads 3,991 Views Citations
The Study of the Polignac Numbers (Articles)

J. Czopik

Advances in Pure Mathematics Vol.9 No.6, June 30, 2019

DOI: 10.4236/apm.2019.96027 1,436 Downloads 2,355 Views Citations
Rindler Observer Sublimation (Articles)

J. A. Rosabal

Journal of Modern Physics Vol.11 No.9, September 22, 2020

DOI: 10.4236/jmp.2020.119086 485 Downloads 1,527 Views Citations
Influence of Weather Conditions on the Surface Morphology and Wetting Behaviour of Superhydrophobic Quaking Aspen Leaves (Articles)

J. J. Victor, U. Erb

American Journal of Plant Sciences Vol.4 No.5A, May 30, 2013

DOI: 10.4236/ajps.2013.45A010 7,991 Downloads 10,967 Views Citations
This article belongs to the Special Issue on Plant Growth and Development
Exactly Solvable Schrödinger Equation with Hypergeometric Wavefunctions (Articles)

J. Morales, J. García-Martínez, J. García-Ravelo, J. J. Peña

Journal of Applied Mathematics and Physics Vol.3 No.11, November 26, 2015

DOI: 10.4236/jamp.2015.311173 7,088 Downloads 9,301 Views Citations
Sonographic evaluation of the post-operative rotator cuff: Does tendon thickness matter? (Articles)

J. Lasbleiz, T. Benkalfate, J. N. Morelli, J. Jan

Open Journal of Clinical Diagnostics Vol.3 No.3, September 24, 2013

DOI: 10.4236/ojcd.2013.33015 7,197 Downloads 11,209 Views Citations
Validating HeartSmart^® against the Cardiopulmonary Bypass Machine (Articles)

Kenneth J. Warring-Davies, Martin J. Bland

Surgical Science Vol.3 No.1, January 13, 2012

DOI: 10.4236/ss.2012.31004 7,374 Downloads 10,684 Views Citations
Dynamic Problems of the Planets and Asteroids, and Their Discussion (Articles)

Joseph J. Smulsky, Yaroslav J. Smulsky

International Journal of Astronomy and Astrophysics Vol.2 No.3, September 28, 2012

DOI: 10.4236/ijaa.2012.23018 8,377 Downloads 12,981 Views Citations
Correlation between Hardness, Structure and Electrochemical Performance of an AlZnMnMg Alloy (Articles)

S. Valdez, B. Campillo, J. J. Islas

Engineering Vol.4 No.9, September 28, 2012

DOI: 10.4236/eng.2012.49075 9,667 Downloads 12,823 Views Citations

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