Oceanic lithosphere is continuously formed at a constant rate at the mid-ocean ridges 1 0 = 0. Thus at x = 0 the temperature is the Heaviside step function. Finally, we assume the system is at a quasi-steady state, so that the temperature distribution is constant in time, i.e. T=T(x,z).
Because preeclampsia can prevent proper blood flow to the placenta, babies may be born prematurely and can suffer from later conditions such as learning disabilities, epilepsy and hearing and vision problems.
To help family physicians and other health care professionals who care for pregnant women better treat this condition , the USPSTF published a recommendation ( www.uspreventiveservicestaskforce.org ) on Sept. 9 that women at high risk for pre-eclampsia should use low-dose aspirin ( 81 mg / day ) after 12 weeks of pregnancy to prevent the condition ...