Distribution of Fluoride with Age in Human Bone.
نویسندگان
چکیده
منابع مشابه
Measurement of Fluoride Concentration in Semnan Drinking Water Distribution
Background: The existence of fluoride ion in potable water has distinctive effects on human health. Fluoride is attracted by positively charged calcium in teeth and bones due to its strong electro-negativity which results in dental, skeletal, and non-skeletal forms of xuorosis and associated health complaints in children as well as adults. Methods: Water samples from groundwater used for dri...
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Fluoride and calcium concentrations in maternal plasma and in placental tissue were determined in 30 healthy women residing in an area with a relatively low water and air fluoride (fluorine) content. The mean fluoride concentrations in maternal plasma and in marginal and central parts o f placenta were 4.27 pMlL, 42.1 pglg of ash, and 33.7 pglg of ash, respectively. The mean calcium concentrati...
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نصب منابع پراکنده در سیستم های توزیع و فوق توزیع علاوه بر مزیت های فراوان، مشکلاتی را هم به همراه دارد. یکی از این مشکلات تأثیر این منابع روی اندازه جریان های اتصال کوتاه است. به طور معمول از حفاظت های مبتنی بر اصل جریان زیاد در سیستم های توزیع و فوق توزیع استفاده می شود. از مهمترین طرح های حفاظتی استفاده شده در فیدرهای توزیع، حفاظت فیوز- ریکلوزر است. همچنین از طرح های حفاظتی جریان زیاد جهتی در...
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ژورنال
عنوان ژورنال: JOURNAL OF DENTAL HEALTH
سال: 1991
ISSN: 0023-2831
DOI: 10.5834/jdh.41.607