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French press. The French pressure cell press, or French press, is an apparatus used in biological experimentation to disrupt the plasma membrane of cells by passing them through a narrow valve under high pressure. [1] The French press can also be used for disintegration of chloroplasts, homogenates of animal tissue, and other biological particles.
Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
A Batch EDS consists of at least one sterilisation tank (also known as a kill tank, or a cook tank). The sterilisation tank is commonly a jacketed vessel , which is a container with hollow walls. Effluent flows into the kill tank either by gravity or through being pumped into the tank.
The Garchey System was an early refuse disposal system in the United Kingdom. Devised by Louis Garchey, a Frenchman, it was first installed in blocks of flats in France during the 1930s. [ 1 ] It was first used in the UK in 1935 after the City of Leeds installed it in one of its housing blocks. [ 2 ]
Sodium hypochlorite (NaClO), usually as a 3–6% solution in water, usually called "liquid bleach" or just "bleach". Historically called " Javel water" ( French : eau de Javel ). It is used in many households to whiten laundry, disinfect hard surfaces in kitchens and bathrooms, treat water for drinking, and keep swimming pools free of ...
It is commonly available in powder or granular form and has many industrial and household uses, including as a pesticide, as a metal soldering flux, as a component of glass, enamel, and pottery glazes, for tanning of skins and hides, for artificial aging of wood, as a preservative against wood fungus, and as a pharmaceutic alkalizer.
It is a highly toxic emerald-green crystalline powder [4] that has been used as a rodenticide and insecticide, [5] and also as a pigment. It was manufactured in 1814 to be a pigment to make a vibrant green paint, and was used by many notable painters in the 19th century.
Binders are the film forming component of a paint as it dries and affects the durability, gloss, and flexibility of the coating. Polyurethanes, polyesters, and acrylics are all examples of common binders. The solvent is the medium in which all other components of the paint are dissolved and evaporates away as the paint dries and cures. The ...