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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
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 ...
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 ]
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.
Chlorine releasing solutions, such as liquid bleach and solutions of bleaching powder, can burn the skin and cause eye damage, [2] especially when used in concentrated forms. As recognized by the NFPA, however, only solutions containing more than 40% sodium hypochlorite by weight are considered hazardous oxidizers.
The paint is sorted into different streams and sent to registered processors to be recycled into new paint, used in other products or in energy recovery, or sent for proper disposal if necessary. Any processor that receives paint must be registered with the Paint Recycling Program and meet all applicable environmental, transportation, health ...
Bonsai enthusiasts use undiluted lime sulfur to bleach, sterilize, and preserve deadwood on bonsai trees while giving an aged look. [5] Rather than spraying the entire tree, as with the pesticidal usage, lime sulfur is painted directly onto the exposed deadwood, and is often colored with a small amount of dark paint to make it look more natural.