Traditional examples of exclusionary strategies cover the avoidance of any investments in companies that are fully or partially engaged in gambling, sex related activities, the production of alcohol, tobacco, firearms, fossil fuels or even nuclear energy. These exclusionary categories have been extended,...
Various studies have shown that although fossil fuels are still the primary source of energy for the world, the utilization of more sustainable energy resources is on the rise. However due to current competitive bidding strategies and underlying practices that typically consider sustainable features ...
… That gold sale in 2013 was a naked short. The seller had no gold to sell. COMEX reported having gold only equal to about half of the short sale in its vaults, and not all of that was available for delivery (quite a lot of it belonged to the german government) In effect the nak...
source.We then put the cages back into the different habitatsso that the microbiomes experienced pretty dramatic changes in climate.We expected that the microbes from the cooler placeswould die out when we moved them to the warm places like the hot desert,and that they would lose their ...
Furthermore, environmental pollution caused by burning fossil fuels is another problem of the long-term use of these fuels. So, using methods that optimize energy consumption and increase efficiency is essential, especially for renewable energies. One practical technique is storing energy using Phase-...
The conspicuous features of proposed T & SC-BC are: (i) a high voltage conversion ratio (Vo/Vin); (ii) continuous input current (Iin); (iii) single switch topology; (iv) single input source; (v) low drain to source voltage (VDS) rating of control switch; (vi) a single inductor ...