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GB 6681-86 General Rules for Sampling of Gas Chemical Products
General Principles of Gas Chemical Products Sampling GB 6681-86 “The General Principles for Gas Chemical Products Sampling” provides criteria for sampling variety of gas chemical products, as well as provisions and modeling diagrams of sampling device. This standard effectively protects the fair ......
1060 
Sophie
International Standard for Ferroalloys - Ferroniobium
Wrought Nimon in an Iron Alloy
Wrought Nimon iron alloy is a type of iron alloy that is composed of primarily three metals: iron, nickel, and manganese. It is a type of iron alloy that is used in applications that require a high level of strength and toughness. It is most commonly used in the con......
Sewing Machine Structure and Type Vocabulary
Seamstresses and Tailors use a variety of seaming machines to sew various types of fabrics and stitching. Understanding the different types and structures of these machines can help ensure that the sewing job is done properly and easily.
Lockstitch Sewing Machine
The most common type of seamstre......
Deep Cone Thickener
Deep cone thickeners (also known as deep cone paste thickeners) are mechanical thickeners with a high side wall and a steep feeding throat that has a cone angle slightly steeper than the cone angle of sedimentation tanks. Deep cone thickeners are used mostly for thickening non-Settling solids in l......
mineral surface contamination
Overview of Mineral Surface Contamination
Mineral surface contamination is a widespread problem that often has serious consequences. Minerals, such as sedimentary rocks, are found in a variety of locations, ranging from soils to streams and lakes. As such, they are commonly exposed to a variety o......
Dense media beneficiation
让您满意
Gravity separation is an important and effective method for heavy-medium selection. Gravity selection is actually a combination of sedimentation, inertia and gravity of a solid particle in a flowing fluid formed by a comprehensive action effect. It works based on the difference of specifi......
Oxygen system
Oxygen Delivery System
An oxygen delivery system is any system used to deliver oxygen to the human body. Oxygen delivery systems are used to improve the quality of lives for individuals with certain medical conditions, such as chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, cys......
Harm of acid gas to human body
The Harms of Acid Rain to Human
Acid rain is a form of precipitation with high levels of sulfuric and nitric acids. It is created when pollutants, such as sulfur dioxide and nitrogen oxide, react in the atmosphere, forms their respective acids, and then fall to the ground. Acid rain is a major en......
Lung cancer in chromate manufacturing workers
Chromium is an element used in the manufacture of stainless steel, an alloy that is used for many purposes. Chromium is also used in a variety of industrial processes, including those used in the manufacture of chrome-plated metals and in production of dyes and pigments. Chromium is a pollutant, a......
Antimony poisoning
Antimony Poisoning
Antimony poisoning is a rare but serious condition. It is caused by the ingestion or inhalation of substances and compounds containing antimony, which is a metal found in the Earths crust. Antimony has been used extensively in a number of industrial applications and is also fou......
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