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Heart failure with preserved ejection fraction (HFpEF) is a form of heart failure in which the ejection fraction – the percentage of the volume of blood ejected from the left ventricle with each heartbeat divided by the volume of blood when the left ventricle is maximally filled – is normal, defined as greater than 50%; [1] this may be measured by echocardiography or cardiac catheterization.
Nepal Engineering Council (NEC) is an autonomous government body formed on 11 March 1999 under The Nepal Engineering Council Act. [1] [2] The council was established in order to mobilize the engineering profession in a systematic and scientific manner by making it effective, as well as to make provision for, among other matters, the registration of the names of engineers as per their ...
The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment in the United States. It is part of the National Fire Code series published by the National Fire Protection Association (NFPA), a private trade association . [ 1 ]
The NEC contracts now form a suite of contracts, with NEC being the brand name for the "family" of contracts. [16] When it was first launched in 1993, it was simply the "New Engineering Contract". This specific contract has been renamed the "Engineering and Construction Contract" which is the main contract used for any construction based project.
Marne, David J. McGraw Hill's National Electrical Safety Code (NESC) 2023 Handbook. McGraw-Hill Education. The 2023 NESC Handbook represents a next-generation tool for the professional who needs to understand the NESC. The handbook was developed for use at many levels in the electric and communication industries, including those involved in ...
By far the most common version is NEC-2, the last to be released in fully public form. There is a wide and varied market of applications that embed the NEC-2 code within frameworks to simplify or automate common tasks. Later versions, NEC-3 and NEC-4, are available after signing a license agreement.