Heroes and Villains - A little light reading. Here you will find a brief history of technology. Initially inspired by the development of batteries, it covers technology in general and includes some interesting little known, or long forgotten, facts as well as a few myths about the development of technology, the science behind it, the context in which it occurred and the deeds of the many ...
Chapter 77 - Chemical Processing CHEMICAL INDUSTRY. L. De Boer* *Adapted from 3rd edition, Encyclopaedia of Occupational Health and Safety. The business of the chemical industry is to change the chemical structure of natural materials in order to derive products of value to other industries or
Roller screws offer a performance level far beyond the capabilities of ball screws. They are well suited for heavy loads, high duty, high rotational speed, high linear speed, high acceleration (especially planetary roller screws), ultimate precision and rigidity, and for operation in harsh environments.
Iron is the primary raw material used to produce steel — itself an alloy of concentrated iron with a minute amount of carbon. Iron is the primary raw material used to produce steel — itself an alloy of concentrated iron with a minute amount of carbon. Globally, steel production drives 98 per ...
The environmental impact of paper is significant, which has led to changes in industry and behaviour at both business and personal levels. With the use of modern technology such as the printing press and the highly mechanized harvesting of wood, disposable paper became a relatively cheap commodity, which led to a high level of consumption and waste.
Acid Alkali Bleaches and dyestuffs Coal-tar chemicals Copperas Explosives Fertiliser Paint and pigments Pharmaceuticals Plastics Soap: Cumbria does not normally spring to mind as a centre for the chemical industries, but most branches of the industry have been represented in the county.
Sasmita Chand 1 *, Biswajit Paul 1 and Manish Kumar 2. 1 Dept. of Environmental Science and Engineering, Indian School of Mines, Dhanbad, India. . 2 Dept. of Environment and Sustainability, CSIR- Institute of Minerals and Materials Technology-IMMT, Bhubaneswar, India. .