Sand casting is a mature and widely used metal forming process. It involves melting the desired metal (such as iron, aluminum, and copper) into a liquid state using molds, sand, templates, and models, then pouring the molten metal into the mold and allowing it to cool to form the desired shape. Sand casting accounts for over 80% of all castings...
Many people's understanding of electricity is limited to 110V, which is mostly used for household appliances, while 220V is generally used for factory instruments and other related equipment. However, few people know about the characteristics of these two voltages. Next, I will organize them and present them in a table.
Recently, a new test method for the lightfastness of anodes has been added to the industry. Its full title is "Aluminum and Aluminum Alloy Anodizing - Artificial Light Accelerated Test of Colored Anodic Oxide Films." We have briefly excerpted its relevant content for your reference. The relevant content is as follows:
When we are testing and managing related drugs, the pH value is the basis for us to judge the status of the drug solution. The pH meter is an indispensable analytical tool. Anyone with relevant drug solution management experience can use and calibrate it, but do you understand its structure? Let's take a closer look here.
Before the term ESG came into being, companies focused on company status and profits in their management. However, nowadays, only the first two items are mentioned, which is not enough to evaluate their sustainable development and social responsibility. In order to better understand the status of companies, ESG and CSR have been derived.
In order to drink clean water, we use filtering equipment to filter out impurities and drink clean water; in the surface treatment industry, in order to keep the liquid clean and further extend its life, we also use filters to remove impurities and dirt in the solution. But there are so many types of filters, how do we choose? Here...
First, we first set the input light as "incident light", and select a material surface as the "reflective surface", with an angle of 90 degrees to the reflective surface as N.
What is ΔE* (Delta E)? It is a numerical value used to judge the difference between colors. We call it the total color difference value.
