Search Results - "ARMSTRONG, R. L"

Recent northern hemisphere snow extent: A comparison of data derived from visible and microwave satellite sensors by Armstrong, R. L., Brodzik, M. J.

“…During the past four decades much important information on Northern Hemisphere snow extent has been provided by the NOAA weekly snow extent charts derived from…”
Get full text

Investigation of the near-surface soil freeze-thaw cycle in the contiguous United States: Algorithm development and validation by Zhang, T., Armstrong, R. L., Smith, J.

“…A combined frozen soil algorithm was developed and validated to detect the near‐surface soil freeze/thaw cycle over snow‐free and snow‐covered land areas in…”
Get full text

Soil freeze/thaw cycles over snow-free land detected by passive microwave remote sensing by Zhang, T., Armstrong, R. L.

“…The timing, duration, and areal extent of the near‐surface soil freeze/thaw status were investigated using passive microwave satellite remote sensing data for…”
Get full text

Incidence and Prevalence of Recurrent Respiratory Papillomatosis among Children in Atlanta and Seattle by Armstrong, L. R., Preston, E. J. D., Reichert, M., Phillips, D. L., Nisenbaum, R., Todd, N. W., Jacobs, I. N., Inglis, A. F., Manning, S. C., Reeves, W. C.

“…The incidence and prevalence of recurrent respiratory papillomatosis (RRP) for children aged <18 years were estimated in 2 US cities, Atlanta and Seattle, in…”
Get full text

Fractals in Microcavities: Giant Coupled, Multiplicative Enhancement of Optical Responses by Kim, W., Safonov, V. P., Shalaev, V. M., Armstrong, R. L.

Get full text

Changes in tuberculosis epidemiology, United States, 1993-2017 by Armstrong, L. R., Winston, C. A., Stewart, B., Tsang, C. A., Langer, A. J., Navin, T. R.

“…BACKGROUND: After 20 years of steady decline, the pace of decline of tuberculosis (TB) incidence in the United States has slowed.METHODS: Trends in TB…”
Get full text

Hantavirus Pulmonary Syndrome: The First 100 US Cases by Khan, Ali S., Khabbaz, Rima F., Armstrong, Lori R., Holman, Robert C., Bauer, Sally P., Graber, Judith, Strine, Tara, Miller, Gayle, Reef, Susan, Tappero, Jordan, Rollin, Pierre E., Nichol, Stuart T., Zaki, Sherif R., Bryan, Ralph T., Chapman, Louisa E., Peters, C. J., Ksiazek, Thomas G.

“…In the spring of 1993, hantavirus pulmonary syndrome (HPS) “emerged” in the southwestern United States, where a multiagency investigation led to the rapid…”
Get full text

Measurement of nonuniform current density by magnetic resonance by Scott, G.C., Joy, M.L.G., Armstrong, R.L., Henkelman, R.M.

“…A noninvasive tissue current measurement technique and its use in measuring a nonuniform current density are described. This current density image is created…”
Get full text

Tuberculosis Among Foreign‐Born Persons Diagnosed ≥10 Years After Arrival in the United States, 2010–2015 by Tsang, C. A., Langer, A. J., Navin, T. R., Armstrong, L. R.

“…This report highlights the association of tuberculosis in foreign‐born individuals in the United States, emphasizing that this can occur even in those…”
Get full text

The aspirin and heme-binding sites of ovine and murine prostaglandin endoperoxide synthases by DEWITT, D. L, AL-HARITH, E. A, KRAEMER, S. A, ANDREWS, M. J, YAO, E. F.K, ARMSTRONG, R. L, SMITH, W. L

“…Acetylation of Ser-530 of sheep prostaglandin endoperoxide (PGG/H) synthase by aspirin causes irreversible inactivation of the cyclooxygenase activity of the…”
Get full text

Analysis of Ground-Measured and Passive-Microwave-Derived Snow Depth Variations in Midwinter across the Northern Great Plains by Chang, A. T. C., Kelly, R. E. J., Josberger, E. G., Armstrong, R. L., Foster, J. L., Mognard, N. M.

“…Accurate estimation of snow mass is important for the characterization of the hydrological cycle at different space and time scales. For effective water…”
Get full text

Caves and karst-like features in Proterozoic gneiss and Cambrian granite, southern and central Sri Lanka: An introduction by R. Osborne, L. Armstrong, Weliange, Wasantha S., Jayasingha, Pathmakumara, Dandeniya, A.S., P. Algiriya, A.K. Prageeth, Pogson, Ross E.

“…There has been little study of the geology and geomorphologyof the caves and karst-like features developed in the Proterozoicgneiss and Cambrian granite of Sri…”
Get full text

Utilizing Multiple Datasets for Snow-Cover Mapping by Tait, A.B, Hall, D.K, Foster, J.L, Armstrong, R.L

“…Snow-cover maps generated from surface data are based on direct measurements. However, they are prone to interpolation errors where climate stations are…”
Get full text

Significance and Monitoring by Osborne, R. Armstrong L.

“…Za vsak program monitoringa v jamah je nujno potreben predhodni popis vseh bistvenih lastnosti nekega procesa. Monitoring ni sam sebi namen, pač pa je del…”
Get full text

The Troubles with Cupolas by Osborne, R. Armstrong L.

“…Kupole so korozijske tvorbe v obliki kupol, znane tako s krasa v apnencih kot tudi v anhidritih. Medtem ko je bilo v literaturi precej razpravljanja o…”
Get full text

Dating ancient caves and related palaeokarst by Osborne, R. Armstrong L.

“… There are few cases of open caves that have been reliably dated to ages greater than 65 Ma. This does not mean that such caves are extremely rare, rather it…”
Get full text

An earth-gridded SSM/I data set for cryospheric studies and global change monitoring by Armstrong, R.L., Brodzik, M.J.

“…The National Snow and Ice Data Center (NSIDC) has distributed DMSP Special Sensor Microwave Imager (SSM/I) brightness temperature grids for the Polar Regions…”
Get full text

Experimental evidence for the Haldane gap in a spin-1, nearly isotropic, antiferromagnetic chain by BUYERS, W. J. L, MORRA, R. M, ARMSTRONG, R. L, HOGAN, M. J, GERLACH, P, HIRAKAWA, K

“…Neutron scattering has shown that the lowest spin excitations in the spin-1 antiferromagnet CsNiCl sub(3) in its one-dimensional phase occur at finite…”
Get full text

The World’s Oldest Caves: - How -Did They Survive and What Can They Tell Us? by Armstrong R. L. Osborne

“…Parts of an open cave system we can walk around in today are more than three hundred million years old. Common sense tells even enthusiasts like me that open…”
Get full text

Surface-plasmon-enhanced radiation effects in confined photonic systems by Shubin, V.A., Kim, W., Safonov, V.P., Sarychev, A.K., Armstrong, R.L., Shalaev, V.M.

“…Combined action of a resonant cavity and metal nanocomposites is shown to result in dramatic enhancement of spontaneous emisson rate in the optical spectral…”
Get full text