P. A. Sheppard

Edward James Sheppard

He married, in 1870, Miss S. D. Jones, and took a farm near ?Kingsteignton, Devonshire. He entered at the Bristol Medical School when he was over thirty vears of age. He then went to Edinburgh and got Qualified in 1884. Besides his work as a general practitioner, he was Public Vaccinator for the Clifton District, and he attended gratuitously, for more than twenty-five years, the inmates of St. ...

The Sheppard-Towner Act: progressivism in the 1920s.

Sheppard-Towner Maternity and Infancy Protection Act (1921)

In November 1921, US Congress passed the National Maternity and Infancy Protection Act, also called the Sheppard-Towner Act. The Act provided federal funds to states to establish programs to educate people about prenatal health and infant welfare. Advocates argued that it would curb the high infant mortality rate in the US. Many states accepted funding through the Sheppard-Towner Act, leading t...

Payne R , Jassey VEJ , Leith ID , Sheppard LJ ,

17 Nitrogen pollution affects many peatlands with consequences for their biodiversity and ecosystem 18 function. Microorganisms control nutrient cycling and constitute most of the biodiversity of peatlands 19 but their response to nitrogen is poorly characterised and likely to depend on the form of deposition. 20 Using a unique field experiment we show that ammonia exposure at realistic point s...

درباره تعداد جواب های معادله x^p^k=a در یک p-گروه متناهی

تعیین تعداد جواب های معادله ای به شکل x^p^k=a که در آن a عضوی از گروه مفروض است در مشخص کردن ساختار آن گروه تعیین کننده است.در سال 1931 کولاکف ثابت کرد که در یک p-گروه غیر دوری (p فرد) تعداد جواب های x^p^k=1 مضربی از{ p^{k+1 است به شرط آنکه نمای گروه مضربی از p^k باشد. هرگاه a عضو دلخواهی از گروه باشد در اینصورت تعداد جواب های x^p^k=a برای p-گروه غیردوری که 2-گروه رده ماکسیمال نیست و نمای آن حد...