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[2] [3] [4] The term dialysis was first routinely used for scientific or medical purposes in the late 1800s and early 1900s, pioneered by the work of Thomas Graham. The first mass-produced man-made membranes suitable for dialysis were not available until the 1930s, based on materials used in the food packaging industry such as cellophane .
A tube and pipe may be specified by standard pipe size designations, e.g., nominal pipe size, or by nominal outside or inside diameter and/or wall thickness. The actual dimensions of pipe are usually not the nominal dimensions: A 1-inch pipe will not actually measure 1 inch in either outside or inside diameter, whereas many types of tubing are ...
Dialysis tubing is typically supplied either wet or dry in rolls or pleated telescoped tubes. A wide variety of dialysis devices (or dialyzers) are available from several vendors. Dialyzers are designed for specific sample volume ranges and provide greater sample security and improved ease of use and performance for dialysis experiments over ...
Viskase (formerly Visking) is a global corporation based out of Lombard, Illinois, United States that supplies plastic, cellulose, and fibrous film and packaging to the food service industry, including casings for processed meats such as hot dogs and sausages.
This combination of the two digestates consists as a sludge form. The liquid fraction constitutes up to 90% of the digestate by volume, contains 2–6% dry matter, particles <1.2 mm in size, and most of the soluble nitrogen and potassium, while the solid fraction retains most of the digestate phosphorus, and contains dry matter content ˃ 15%. [3]
-5 0.3 to 1 ratio of salt to ice. Liquid N 2: Aniline-6 Ice: Sodium thiosulfate pentahydrate-8 1.1 to 1 ratio of salt to ice. Ice: Calcium chloride hexahydrate-10 1 to 2.5 ratio of salt to ice. Liquid N 2: Ethylene glycol-10 Ice: Acetone-10 1 to 1 ratio of acetone to ice. Liquid N 2: Cycloheptane-12 Dry ice: Benzyl alcohol-15 Dry ice: Ethylene ...
Cavatappi is usually scored with lines or ridges (rigati in Italian) on the surface. Cavatappi is a type of macaroni, or thick, hollow pasta that is made without using eggs. [ citation needed ] It may be yellow in color, like most pastas, or have vegetables or a food coloring added to make it green or red.
Perfluoro(2-methyl-3-pentanone) is a fluorinated ketone with the structural formula CF 3 CF 2 C(=O)CF(CF 3) 2, a fully-fluorinated analog of ethyl isopropyl ketone. It is used as an electronics coolant liquid and fire protection fluid sold commercially by 3M under brand names such as Novec 1230, Novec 649, and FK-5-1-12. It is also known as ...