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The helix of sustainability - the Carbon cycle ideal for manufacture and use The international recycling symbol - not nature identical.. The helix of sustainability is a concept coined to help the manufacturing industry move to more sustainable practices by mapping its models of raw material use and reuse onto those of nature.
The triple helix model of innovation, as theorized by Etzkowitz and Leydesdorff, is based on the interactions between the three following elements and their associated 'initial role': [9] universities engaging in basic research, industries producing commercial goods and governments that are regulating markets. [2]
Triplex DNA structure. The arrows are going from the 5' end to the 3' end. (Triple-stranded DNA (also known as H-DNA or Triplex-DNA) is a DNA structure in which three oligonucleotides wind around each other and form a triple helix.
Rigoletto is an opera in three acts [a] by Giuseppe Verdi.The Italian libretto was written by Francesco Maria Piave based on the 1832 play Le roi s'amuse by Victor Hugo.Despite serious initial problems with the Austrian censors who had control over northern Italian theatres at the time, the opera had a triumphant premiere at La Fenice in Venice on 11 March 1851.
Abu Hanifa [a] (Arabic: أَبُو حَنِيفَة, romanized: Abū Ḥanīfa; September 699–767) [5] was a Muslim scholar, jurist, theologian, ascetic, [3] and eponym of the Hanafi school of Sunni jurisprudence, which remains the most widely practiced to this day. [3]