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Displaying 1926 - 1950 of 74084

CAPABILITIES IN SOFTWARE SYSTEMS for METAL ADDITIVE MANUFACTURING - A REVIEW

August 8, 2022
Author(s)
Shaw C. Feng, Paul Witherell, Albert T. Jones, Tesfaye Moges, Hyunseop Park, Mostafa Yakout, Hyunwoong Ko
Additive manufacturing (AM) is rapidly transitioning to an accepted production technology. This transition has led to increasing demands on data analysis and software tools. Advances in data acquisition and analysis are being propelled by an increase in

Towards a North Pacific Ocean long-term monitoring program for plastic pollution: A review and recommendations for plastic ingestion bioindicators

August 6, 2022
Author(s)
Matthew Savoca, Susanne Kuhn, Chengjun Sun, Stephanie Avery-Gomm, Anela Choy, Sarah Dudas, Sanghee Hong, David Hyrenbach, Tsung-Hsien Li, Connie Ka-yan Ng, Jennifer Provencher, Jennifer Lynch
Marine debris is now a ubiquitous component of the Anthropocene global ocean. Plastic ingestion by marine wildlife was first reported in the 1960s and since that time, roughly one thousand marine species have been reported to consume this debris. This

Electron Paramagnetic Resonance Study of Carbonated Hydroxyapatite Synthesized through Calcium Phosphate Cements

August 5, 2022
Author(s)
Alline F. Myers, Shozo Takagi, Stanislav Frukhtbeyn, Laurence Chow, Veronika Szalai, Lonnie Cumberland, Ileana Pazos, Eaman Karim
Ionizing radiation-induced paramagnetic defects in calcified tissues like tooth enamel are indicators of irradiation dose. Hydroxyapatite (HA), the principal constituent in these materials, incorporates a variety of anions (CO32, F, Cl, SiO44 ) and

Equations of State for n-Hexadecane and n-Docosane

August 5, 2022
Author(s)
Raffaela Romeo, Eric W. Lemmon
Equations of state for n-hexadecane (C16H34) and n-docosane (C22H46) have been developed as functions of the Helmholtz energy with independent variables of temperature and density. The equations were developed based on experimental values of density, speed

The kilogram: inertial or gravitational mass?

August 5, 2022
Author(s)
Stephan Schlamminger, Giovanni Mana
The redefinition of the international system of units fixes the values of the unperturbed ground state hyperfine transition frequency of the $^133}$Cs atom, speed of light in vacuum, and Planck constant. Therefore, differently from the past, the kilogram

Structural Fingerprinting of siRNA Therapeutics by Solution NMR Spectroscopy

August 4, 2022
Author(s)
Owen Becette, Anh Tran, Jace Jones, John Marino, Robert Brinson
Nucleic acids are an increasingly popular platform for the development of biotherapeutics to treat a wide variety of illnesses, including diseases where traditional drug development efforts have failed. To date, there are 14 short oligonucleotide

The Effect of Organic Coatings in the Magnetization of CoFe 2 O 4 Nanoparticles

August 4, 2022
Author(s)
Priscyla L. Andrade, Valdeene Silva, Kathryn L. Krycka, Juscelino Leao, I-Lin Liu, Maria P. Silva, J. Albino Aguiar
Cobalt ferrite has attracted considerable attention in recent years due to the unique physical properties such as high Curie temperature, large magnetocrystalline anisotropy, high coercivity, moderate saturation magnetization, large magnetostrictive

Prototype of high accuracy single input phase measurement instrument

August 2, 2022
Author(s)
Nicholas G. Paulter Jr., Ioan Tudosa, Francesco Picariello, Pasquale Daponte, Luca De Vito, Sergio Rapuano
A prototype implementation of a phase measurement method (PMM) for a sine-wave signal delivered at the output port of a generator and its experimental assessment is presented. This PMM is capable of measuring the output phase of a sine-wave signal respect

D-to-A_eff converter

August 1, 2022
Author(s)
Patrick Egan, Eric S. Stanfield, John R. Stoup
Recent developments in diameter metrology at NIST have enabled the dimensional characterization of piston-cylinder assemblies (PCA) with unprecedented precision. For the newest generation of PCA, standard uncertainty on measurement of outer diameter is 12
Displaying 1926 - 1950 of 74084