It is often said that magnetic lines of force in a conducting fluid move with the fluid. In the case
of a plasma, this means that the lines of force move with the particle drift velocity 1 v p = ( E …

… Charles Ramsdell dismissed Newcomb and JG Tracy as a "pair of spoilsmen," and suggested
that Newcomb … Similarly, Ernest Wallace argued that Newcomb was primarily interested …

A study is made of so-called “finite-orbit effects” in a two-dimensional guiding-center plasma.
The macroscopic mass motion of the plasma is represented on the basis of a simple …

In 2002, Michelman-Cancelliere Iron Works of Bethlehem, Pennsylvania was a respected
provider of structural steel for large infrastructure projects in the Northeast. Four years later, …

The authors investigated secular trends in age at menarche, age at menopause, and reproductive
life span within a population-based cohort of US women. Study subjects were 22,774 …

… , LB, WC, and SA. SA participated in 1994-1 995 only, and did not contribute to the No
Lessons or Singing groups. No group differed significantly prior to training. LB and WC received …

Background The evidence of an association of lactation with a reduction in the risk of breast
cancer among women has been limited and inconsistent. The effect of lactation appears to …

Previous studies suggest that increased physical activity may lower the risk of breast cancer
incidence, but less is known about whether levels of physical activity after breast cancer …

As more women obtain screening mammograms regularly and at younger ages,the diagnosis
of breast carcinoma in situ becomes more frequent. To examine whether risk factors for …

The relation between body size and breast cancer remains uncertain, particularly with regard
to differences between pre- and postmenopausal women. The authors examined whether …