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"Menipisnya kandungan bahan bakar fosil serta naiknya harga BBM mengakibatkan pasokan BBM ke pembangkit listrik di PLN sering terganggu. Hal ini berdampak sering terjadi pemadaman secara bergantian oleh PLN.Green Medical Box Portable merupakan kotak penyimpan vaksin dan obatobatan lainnya yang tidak terlalu tergantung dengan energi listrik dari PLN. Alternatif sumber energi listrik yang digunakan berasal dari cahaya matahari (solar panel) dan batere, sehingga apabila terjadi pemadaman listrik dari PLN, maka vaksin dan obat-obatan lainnya di dalam Green Medical Box tetap dijaga temperaturnya sesuai dengan yang diinginkan.Green Medical Box Portable mempunyai dua tempat penyimpanan, penyimpanan pertama (freezer) dengan volume + 20,4 liter untuk vaksin dengan temperature penyimpanan ? 15°C. Sedangkan tempat penyimpanan kedua (cooler) dengan volume + 45,15 liter untuk vaksin dengan tempeatur penyimpanan 5 °C.Untuk sistem refrigerasinya, Green Medical Box Portable menggunakan kompresor DC dari Danfoss dengan tipe BD35K. Refrigeran yang digunakan adalah R 600a.

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The contents of fuel-oil are now running low and its prices are becoming more expensive that causes the supply of fuel-oil to the power station in PLN disturbed. Dimmed in district consecutively by the PLN is cause by this event.

Green Medical Box Portable is a storage for the vaccine and other medicine which doesn?t need to depend on electricity from PLN. Alternative source of electricity can be used from the sunlight (solar cell) and battery, so if there is any electricity failure then the temperature can still be obtained and the vaksin and other medicine always in good conditioning.

This Green Medical Box Portable have two storages. The volume of the first storage (freezer) is about 20,4 litre which temperature of storage is about ? 15 °C. Whereas the volume of second storage (cooler) is about 45,15 litre which temperature of storage is about 5 °C.

The refrigeration system of Green Medical Box portable uses DC (Direct Curent) compressor from Danfoss with BD35K type. The refrigerant that used is R 600a."

"Generic group algorithms solve computational problems defined over algebraic groups without exploiting properties of a particular representation of group elements. This is modeled by treating the group as a black-box. The fact that a computational problem cannot be solved by a reasonably restricted class of algorithms may be seen as support towards the conjecture that the problem is also hard in the classical Turing machine model. Moreover, a lower complexity bound for certain algorithms is a helpful insight for the search for cryptanalytic algorithms. Tibor Jager addresses several fundamental questions concerning algebraic black-box models of computation : Are the generic group model and its variants a reasonable abstraction? What are the limitations of these models? Can we relax these models to bring them closer to the reality?"