An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Kenneth A. Snyder, Chiara C. Ferraris, Nicos Martys, Edward Garboczi
The suitability of using the initial current from the rapid chloride test (ASTM C 1202) to determine specimen conductivity is tested using impedance...
A considerable amount of work has been done in order to determine the atomic weight of bromine and the oft-repeated comparison of the atomic weights of silver...
U.S. meter No. 27, like the prototypes of all the principal nations, and also like the international meter, is composed of 90 per cent platinum and 10 percent...
A significant, practical challenge, which arises in developing computationally efficient physical models for use in computer simulations of microelectronic and...
The Message Passing Interface (MPI) is the de facto standard for writing parallel scientific applications in the message passing programming paradigm...
R Schwengner, H Schnare, S Frauendorf, F Donau, L Kaubler, H Prade, E Grosse, A Jungclaus, K P. Lieb, C Lingk, S Skoda, J Eberth, G de Angelis, A Gadea, E Farnea, D R. Napoli, C A. Ur, G Lo Bianco
We discuss the connection of high-energy gamma-ray measurements with precision atomic mass determinations. These rather different technologies, properly...
Richard A. Perkins, M L. Ramires, Carlos A. Nieto de Castro
Absolute measurements of the thermal conductivity of a distilled and dried sample of toluene near saturation are reported. The transient hot-wire technique with...
The activity of calcium in plaque fluid is needed to calculate the saturation level of that fluid relative to the tooth mineral. One method to determine the...