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MFI Measuring device. The Melt Flow Index (MFI) is a measure of the ease of flow of the melt of a thermoplastic polymer.It is defined as the mass of polymer, in grams, flowing in ten minutes through a capillary of a specific diameter and length by a pressure applied via prescribed alternative gravimetric weights for alternative prescribed temperatures.
This differential, which had not been scientifically investigated until recently, has a large effect on the rate of ice melting and the extent of ice cover. [1] Melt ponds can melt through to the ocean's surface. [2] Seawater entering the pond increases the melt rate because the salty water of the ocean is warmer than the fresh water of the pond.
Polypropylene, highly colorfast, is widely used in manufacturing carpets, rugs and mats to be used at home. [47] Polypropylene is widely used in ropes, distinctive because they are light enough to float in water. [48] For equal mass and construction, polypropylene rope is similar in strength to polyester rope.
Koi (Cyprinus rubrofuscus) (introduced) Redside dace (Clinostomus elongatus) Rosyside dace (Clinostomus funduloides) Grass carp (Ctenopharyngodon idella) Satinfin shiner (Cyprinella analostana) Spotfin shiner (Cyprinella spiloptera) Common carp (Cyprinus carpio) Cutlips minnow (Exoglossum maxillingua) Eastern silvery minnow (Hybognathus regius)
The architecture of the koi pond can have a great effect on the health and well-being of the koi. The practice of keeping koi often revolves around "finishing" a koi at the right time. The concept of finishing means that the fish has reached its highest potential. Koi clubs hold shows where koi keepers bring their fish for judging. [1]
The absence of fish is a very important characteristic of these ponds since it prevents long chained biotic interactions from establishing. Ponds without these competitive predation pressures provides breeding locations and safe havens for endangered or migrating species. Hence, introducing fish to a pond can have seriously detrimental ...
For example, atactic polypropylene is usually amorphous and transparent while syndiotactic polypropylene, which has crystallinity ~50%, is opaque. [30] Crystallinity also affects dyeing of polymers: crystalline polymers are more difficult to stain than amorphous ones because the dye molecules penetrate through amorphous regions with greater ...