منابع مشابه
Hormonal control of conception.
Prior to 1938 no form of oral hormonal contraception was possible as none of the then availablehormones were active when given orally. The era of oral contraception commenced withthe reports of Pincus et al (3). The contraceptive pills used today contain a synthetic oestrogenand a synthetic progestational agent. Oestrone and oestradiol were available prior to 1938as esters but these were active...
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Oral contraceptives are associated with serious untoward effects and have been proscribed for woman over 35 years of age. It was thought that the use of a natural estrogen (pellets of 25 mg of 17 beta-estradiol) implanted in descending doses (four, three, two, one) at 6-month intervals might cause less disturbance in metabolic parameters and side effects. Our experience with this regimen encomp...
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Control of diesel fuel injection is very important and has influence not only at engine operating conditions but also at emission of toxic gases as NOx, HC, and Particulate Matter (PM) are effect of combustion process. Directly observing of combustion process is very difficult, but implementation to injection control algorithm procedures based on additional sensors as knock sensor, cylinder pre...
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*IBISC, CNRS & University of Evry, [email protected] **LMP, CNRS & University of Marseille, [email protected], Abstract – In remote control situations, sensorial impoverishment is one of the main difficulties. One way to minimize its influence on the system's performance is helping the human operator to perceive and understand the remote system's behavior. This paper is based on the con...
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1932
ISSN: 0002-9572
DOI: 10.2105/ajph.22.8.885-b