to achieve the desired level of animal performance providing animal food supplies containing mineral elements is essential. for this purpose, mineral elements of 8 important rangeland species, including ferula ovina, prangus uloptera, medicago sativa, lotus goeblia, trifolium montanum, melilotus officinalis, sanguisorba minor and stachys inflate, were measured at different growth stages in the ...

This paper discusses the assumed infinite numbers of antigens and antibodies, and the nature of their interactions, in relation to reproductive immunology. Classical models offered by Pauling, Burnet and Crick are discussed. The author's own model is described, based on selectionist principles, proposing that the numbers are defined, discrete and not infinite. The binding specificity of monoclo...

was "Quite a godsend! Everybody ill, nobody dying"') the 1918-19 variety showed a dreadful propensity to lead on to pneumonic complications and death. The bodies of the deceased, it might be added, were prone to a distressing darkening or even blackening.2 Mortality among pregnant women seemed to be particularly high.3 Edwin Jordan, writing in the 1920s, put the global toll of the pandemic at, ...

When a suspension of bacterial viruses is mixed with specific antiserum, the virus particles are rapidly "inactivated," that is, they lose the power to attack bacteria and to multiply. This inactivation is due to the union of the virus particles with the antibody. The union is irreversible but does not destroy the virus. The original virus may be recovered if the antibody is digested with papai...

After a wave of earthquakes in 1692 and 1693, the astronomer John Flamsteed composed an innovative explanation of their causes. He argued that they did not originate underground but were caused by explosions of nitrous and sulphurous particles in the air. Although the idea now sounds strange, Flamsteed's account was expressed in terms that were familiar to his contemporaries in the Royal Societ...

salivary  gland  tumors  accounts  for  less  than  1%  of  all  tumors.  minor  salivary  gland  tumors (msgts) are uncommon and make up about 10% of all salivary gland neoplasms. the clinical and histopathological distribution of these tumors vary geographically. a case of a 38 yr old man with a minor salivary gland mass at chin region isreported here. the tumor invaded into the anterior surf...

background: it has been reported that curcumin has anti inflammatory, antibacterial, anti tumor and analgesic properties. objective: the purpose of this study was to investigate the efficacy of curcumin in the treatment of minor aphthous stomatitis. methods: the study was a two week, randomized, double blind, placebo controlled of patients with minor aphthous. patients between 18 and 65 years o...