Search results for keyword: him
Precipitation and smelting of bismuth sulfide concentrate
Bismuth sulfide is a mineral ore that is rich in bismuth and is the primary source of bismuth for chemical and industrial applications. Bismuth sulfide is originally found in a naturally occurring combination with various metals such as lead, tin, and copper, as well as with other sulfide minerals......
1097 
Emily
natural ventilation
Natural ventilation
Natural ventilation is the process of supplying and removing air for the purpose of improving indoor air quality. It relies on the natural forces of wind, gravity, and pressure differences to facilitate air movement in and out of buildings. Natural ventilation is a cost-effect......
carbon disulfide poisoning
Carbon Monoxide Poisoning
Carbon monoxide (CO) poisoning is a preventable but potentially fatal condition caused by exposure to high levels of the colorless, odorless, and tasteless gas. Carbon monoxide poisoning is a serious issue, annually resulting in over 500 deaths in the United States, and ......
ACCIDENT
Railway Accidents and their Devastating Effects
Railway accidents have been around since the beginning of the railway and have caused severe damage to life, property and the environment. Railway accidents can occur for various reasons, ranging from human error, system failures, mechanical failure......
Factory local ventilation
，题目：local ventilation in factory
Factory work environments can be dangerous and hazardous to workers. In addition to the potential for accidents, workers are often exposed to substances and gases that can cause a variety of ailments and illnesses. Local ventilation is a form of ventilation used......
Comprehensive utilization of smoke and dust
Integrated Utilization of Tobacco Dust
Tobacco dust, commonly known as tobacco wastes, are the by-products of tobacco processing and the remaining tobacco fragments formed in the process of cigarette packaging. Tobacco dust is abundant in China. It is estimated that the annual output of tobacco d......
Fly Ash Treatment and Utilization
Fly Ash Treatment and Utilization
Fly ash is a fine, powdery material composed of the finely divided mineral particles that are driven out of the combustion chamber with the flue gases during combustion of pulverized coal. The components of fly ash can vary depending on the geological characteris......
Smoke and Dust Control in Blast Furnace Casthouse
Iron Produced in Blast Furnaces Treatment of Dust
Iron is an important metal in industrial production. It plays an important role in the development of modern industry. Blast furnaces are used for production of this metal. In the process of iron production, a lot of dust is produced. The treatment......
iron man of song dynasty
The Song Dynasty Iron Man
During the Song Dynasty in China, a man named Zhao Kuangyin began making what became known as the Iron Man. Zhao was born into a military family in 927, and it was here that he learned the art of war. As a young man, he joined the Liangzhou army, and it was during this s......
Density meter
Density meter
A density meter is a scientific instrument commonly used in laboratories or manufacturing facilities to measure the density of a material. Density meters are particularly useful for measuring the density of liquids, but can also be used to measure solid or gas materials. Density met......
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