This review article covers some of the founding literature that helps develop our understanding of the National Innovation System (NIS) concept.Subsequently, several versions of NIS, including system-functional approaches, are discussed and compared with narrow research and development (R&D) and market-based approaches.Finally, the article contends
Constitutional democracy recognises the ancient democratic principle that government of a country is based on and legitimated by the will and consent of the governed, which is determined by regular multi-party elections based on universal adult franchise.Constitutional democracy limits this principle by subjecting the democratically elected governm
Marriage is the inner bond between a man and a women as husband and wife with the aim of forming a happy and everlasting family that based on the lordship of the almighty.The marriage agreement is a very important thing in the course of marriage.The marriage agreement in the civil code and the Marriage Law is a joint agreement between husband Face
The current study was focused on the evaluation of the performance of a modified flocculant (PEI-T) for the removal of turbidity and heavy metals from wastewater.Thioglycolic acid was introduced into the molecular chain of cationic flocculant polyethyleneimine (PEI) through an amidation reaction to form a new flocculant PEI-T.Results revealed that:
Numerical analyses of the energy supply for heating of air supported structure for indoor tennis in Sofia via district heating, gas and liquid fuels are performed.The computational procedures are implemented through thermal balances of the structures, calibrated on the base of in Paper Piecing situ measurements of the indoor temperature and the amo