GOITER, IODINE BIOAVAILABILITY AND INTRAUTERINE GROWTH RESTRICTION IN INDIGENOUS AND AFRO-DESCENDANT PREGNANT WOMEN FROM SIX NON-METROPOLITAN AREAS OF COLOMBIA (2019-2020)

Goiter, iodine bioavailability and intrauterine growth restriction in Indigenous and Afro-descendant pregnant women from six non-metropolitan areas of Colombia (2019-2020)

Introduction: Iodine is an essential mineral for fetal growth and brain development.The aim of this research was to evaluate goiter, iodine deficiency and intrauterine growth restriction in pregnant women Weave Care of minority ethnic groups in Colombia.Methods: A cross-sectional study was performed in six non-metropolitan areas of Colombia.Results

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Flowrate control methods based on PLC in wafer clean tool

Several in common use flowrate control methods in semiconductor wafer clean tool are introduced in this paper, including the flowrate control of process chamber and chemical proportioning, then corresponding control methods are brought Drying Rack forward according to different applications.The chemical flowrate is directly used as the feedback sig

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