Vaginal infections like bacterial vaginosis (BV) can be diagnosed and treated by a doctor. However, if you are unable to see a healthcare professional, you can use an at-home BV test. These over-the-counter testing kits can measure the pH levels in t…
The application of fourth-generation and fifth-generation rapid test kits is currently high. The adoption and innovation of digital HIV self-testing tools have increased in recent times, with website-based innovation becoming highly popular.…
Acrylic, also known as PMMA or plexiglass, is derived from English acrylic (acrylic plastic), and the chemical name is polymethyl methacrylate. It is an important plastic polymer material developed earlier, with good transparency, chemical stability,…
The Growth History of Boron Nitride Boron is a ceramic material that has useful chemical and physical properties. It was first produced commercially from 1954 through the Carborundum Corporation. It was acquired by Saint-Gobain in the year 1996. Now,…
According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
The purity of carbonaceous raw materials such as petroleum coke and pitch coke is relatively high, and the ash content is usually less than 0.5%, while the purity of natural graphite treated by flotation is relatively low, and the carbon content is u…
At present, the global green industry is developing rapidly, and many countries are accelerating the pace of institutional innovation and technological innovation, promoting the transformation and upgrading of the economy, energy and industrial struc…
At present, the global green industry is developing rapidly, and many countries are accelerating the pace of institutional innovation and technological innovation, promoting the transformation and upgrading of the economy, energy and industrial struc…
This is a major move by the American Transportation Workers Union. SMART, the International Association of Sheet Metal, Air, Rail and Transportation Workers, is one of the most dynamic and diverse unions in North America, with 203,000 members. The un…
What is slitting line? A slitting line works by cutting a large roll of metal into multiple, narrower rolls. It’s a continuous production process that is very precise. Slitting is a metal manufacturing process wherein a coil of material, such as alum…
In order to satisfy the controllable rotation of precision equipment, one is to point accurately, the other is to repeat positioning, and the third is to stop and stop. Therefore, zero clearance or negative clearance is very important for slewing bea…
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