Search Results - "Ruhnke, H. L."

Computer simulation of a downward negative stepped leader and its interaction with a ground structure by Mazur, V., Ruhnke, L. H., Bondiou‐Clergerie, A., Lalande, P.

“…A scheme for computer simulation of a negative stepped leader is developed, based on a physical description of the processes occurring during step development…”
Get full text

Global scale comparison of simultaneous ionospheric potential measurements by Markson, R, Ruhnke, L.H, Williams, E.R

“…A unique series of simultaneous ionospheric potential ( V I) balloon soundings were obtained every 3 h over 2 full days at Weston, MA and Darwin, Australia, on…”
Get full text

Common sulfoglycolipid receptor for mycoplasmas involved in animal and human infertility by LINGWOOD, C. A, QUINN, P. A, WILANSKY, S, NUTIKKA, A, RUHNKE, H. L, MILLER, R. B

“…Sulfoglycolipids are ubiquitous components of the male germ cell membrane. Sulfogalactoglycerolipid (SGG) is restricted to mammalian cells and has recently…”
Get full text

Model of electric charges in thunderstorms and associated lightning by Mazur, Vladislav, Ruhnke, Lothar H.

“…An axisymmetrical electrostatic model of charges in a thunderstorm cloud at the mature stage is used to initiate a bidirectional vertical leader that develops…”
Get full text

Studies on inactivation of pathogenic microorganisms in culture media and in bovine semen by photosensitive agents by Eaglesome, M D, Bielanski, A, Hare, W C, Ruhnke, H L

“…The application of three photosensitive agents for disinfection of bovine semen was investigated. Bovine microbial pathogens suspended in tissue culture medium…”
Get more information

Determining the striking distance of lightning through its relationship to leader potential by Mazur, Vladislav, Ruhnke, Lothar H.

“…A new method for estimating lightning leader potential in negative stepped leaders from electric field changes during the first return stroke process in…”
Get full text

Mass Mortality of Harbor Seals: Pneumonia Associated with Influenza A Virus by Geraci, J. R., St. Aubin, D. J., Barker, I. K., Webster, R. G., Hinshaw, V. S., Bean, W. J., Ruhnke, H. L., Prescott, J. H., Early, G., Baker, A. S., Madoff, S., Schooley, R. T.

“…More than 400 harbor seals, most of them immature, died along the New England coast between December 1979 and October 1980 of acute pneumonia associated with…”
Get full text

Mycoplasma infection of the hand acquired from a cat by McCabe, S J, Murray, J F, Ruhnke, H L, Rachlis, A

“…Mycoplasmas, the smallest known organism capable of a free existence, have been recognized as human pathogens for 25 years. However, a soft tissue cellulitis…”
Get more information

Determining leader potential in cloud-to-ground flashes by Mazur, Vladislav, Ruhnke, Lothar H.

“…A new method for estimating lightning leader potential is proposed, based on multi‐station measurements of electric field changes during the first return…”
Get full text

Isolation of Mycoplasma bovis from intact and microinjected preimplantation bovine embryos washed or treated with trypsin or antibiotics by Bielanski, A, Eaglesome, M D, Ruhnke, H L, Hare, W C

“…Incubation of day 7 bovine embryos with 10(4) or 10(6) CFU/ml of Mycoplasma bovis (M. bovis) or microinjection of M. bovis into the cells of day 7 embryos did…”
Get more information

Effects of Ureaplasma diversum on bovine oviductal explants: quantitative measurement using a calmodulin assay by Smits, B, Rosendal, S, Ruhnke, H.L, Plante, C, O'Brien, P.J, Miller, R.B

“…Calmodulin (CAM) acts as an intracellular regulator of calcium, an important mediator of many cell processes. We used the CAM assay and electron microscopy to…”
Get full text

Mycoplasma phocidae sp. nov., isolated from harbor seals (Phoca vitulina L.) by Ruhnke, H L, Madoff, S

“…In 1979 and 1980, more than 400 harbor seals (Phoca vitulina) along the New England coast of the United States died of epizootic pneumonia that was attributed…”
Get more information

Experimental studies on the pathogenicity of Mycoplasma ovipneumoniae and Mycoplasma arginini for the respiratory tract of goats by Goltz, J.P, Rosendal, S, McCraw, B.M, Ruhnke, H.L

“…Mycoplasma ovipneumoniae and Mycoplasma arginini were the species of Mollicutes most commonly isolated from 175 goats with respiratory disease in Ontario. The…”
Get full text

Obituary by Ruhnke, L H

Get full text

effect of intrauterine inoculation with Ureaplasma diversum on bovine fertility by Kreplin, C.M.A, Ruhnke, H.L, Miller, R.B, Doig, P.A

“…To determine the influence of Ureaplasma diversum on bovine fertility 11 uninfected virgin heifers with normal ovarian cyclic activity were randomly allocated…”
Get full text

Isolation of Mycoplasma mycoides subspecies mycoides from Polyarthritis and Mastitis of Goats in Canada by Ruhnke, H L, Rosendal, S, Goltz, J, Blackwell, T E

“…The clinical signs, pathomorphological changes, and microbiological findings in Canadian goats infected with Mycoplasma mycoides subspecies mycoides are…”
Get full text

Isolation of an apparently new species of Mycoplasma from cattle by Ruhnke, H L

Get more information

Isolation of ureaplasma from sheep with granular vulvitis by Doig, P A, Ruhnke, H L

Get more information

Protein A gold identification of ureaplasmas on the bovine zona pellucida by Britton, A.P, Miller, R.B, Ruhnke, H.L, Johnson, W.M

“…The object of this study was to develop a prefixation protein A gold labelling technique for Ureaplasma diversum and to apply this to bovine embryos. Sixteen…”
Get full text

Bovine granular vulvitis associated with ureaplasma infection by Doig, P A, Ruhnke, H L, MacKay, A L, Palmer, N C

“…A granular vulvitis syndrome associated with ureaplasma infection was first recognized in Ontario dairy herds in 1972. The acute form of the disease was…”
Get full text