Current Design Rules for Welding of Wind Energy Structures for Arctic Conditions

2019 ◽  
Vol 822 ◽  
pp. 452-458
Author(s):  
Sergey Lopaev ◽  
Pavel Layus ◽  
Paul Kah ◽  
Sergey Parshin
Keyword(s):  
Wind Energy ◽  
Structural Integrity ◽  
Structural Characteristics ◽  
Welding Process ◽  
Climatic Conditions ◽  
Welding Parameters ◽  
Reliable Operation ◽  
Arctic Conditions ◽  
Current Design ◽  
Standards And Guidelines

An article presents a review of current standards and guidelines in the field welding fabrication requirements for wind energy structures in arctic conditions. Extreme climatic conditions, such as Arctic, have a strong influence on the requirements for wind turbines structural characteristics, materials and fabrication methods. Special attention has to be paid for selecting steels with suitable mechanical properties, processing methods and delivery conditions. Additionally, it is highly important to select proper welding process and welding parameters, so that the structural integrity and reliable operation can be achieved.

Blood Pressure

PEDIATRICS ◽  
1987 ◽  
Vol 80 (3) ◽  
pp. 459-460
Author(s):  
MYUNG K. PARK
Keyword(s):  
Blood Pressure ◽  
Laboratory Testing ◽  
Normative Data ◽  
Task Force ◽  
Pressure Control ◽  
Proper Treatment ◽  
Blood Institute ◽  
National Heart Lung ◽  
Standards And Guidelines

To the Editor.— Recently the National Heart, Lung, and Blood Institute Task Force on Blood Pressure Control in Children published revised normal BP standards and guidelines for children.1 I welcome this effort, as reliable normative data have been unavailable but are prerequisite for the early detection of hypertension and its proper treatment. The guidelines published by the Task Force for the detection of hypertension, the diagnostic evaluation, follow-up laboratory testing, and treatment are, in my opinion, excellent.

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