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This paper aims to identify challenges and opportunities that are associated with installing PV (Photovoltaic) systems in existing residential building complexes in Vienna. For this purpose, a project-oriented approach was chosen and hence a representative residential building complex in Vienna was chosen and analyzed to demonstrate the challenges that are associated with such projects. Furthermore, a particular focus lies on exploring different operating models that are available when it comes to the execution of such a project. As this paper builds on the rather novel topic of exploring new operating models for installing PV systems on existing residential building complexes in Vienna, many further suggestions for research can be identified that exceed the scope of this paper.
In tropical fruits such as durian (Durio zibethinus) and jackfruit (Artocarpus
heterophyllus), only one quarter to one third of the fruit is edible. Finding more
ways to industrially use the other components of the fruit can reduce the waste
burned or dumped in landfills. Another fruit tree of interest that can also grow
in Austria is the fig tree (Ficus carica). Currently, the fruits are the main product
of that plant; however, components in the latex of the tree are of interest too.
The latex is known to contain natural rubber, which could potentially be used for
industrial applications. Jackfruit trees also produce latex, which contains natural
rubber. In both cases, the natural rubber has different properties compared to
the conventionally used rubber from the rubber tree (Hevea brasiliensis). This
could provide new opportunities in various applications. Therefore, the purpose
of this research is to analyze the properties of the natural rubber obtained from
the jackfruit and fig trees. Additionally, durian fruit also produces a sticky liquid,
so the same experiments were also carried out with durian samples.
The experimental procedure included extraction with acetone and
cyclohexane as well as polymer length determination with gel permeation
chromatography and polymer analysis with differential scanning calorimetry.
The results show that in both jackfruit and fig tree latex, there is natural
rubber of similar polymer length. Durian pulp also contains a polymer; however,
with these experiments, it could not be identified. Further research is required to
identify the durian polymer and to confirm the results of this experiment.
On the surface, the process landscape for fixed income securities trading within most banks has changed only slightly in the past four decades. The value chain remains divided amongst front-, middle-, and back office, with IT in support. Front office negotiates deals with customers and other banks, middle office manages risks and reporting, and back office ensures that payments are made in exchange for a transfer of the bonds that have been traded. Though these processes have gradually migrated to electronic mediums, much of the work in all functional areas remains manual. But the advent of digital technologies, primarily process automation software and data integration in an open software architecture, allows banks to dramatically change how the processes along the value chain are carried out. Repetitive and predictable tasks can be performed by automated software, allowing humans to concentrate on complex activities that require flexibility and discretion. Those tasks that remain in the hands of humans can also be made more efficient by extracting data from software applications along the entire process chain and providing them to the human user at the right point in time in the right system.