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How It Works: Gate Valves

All valves are designed to stop, allow, or throttle the flow of a process fluid. Gate valves—one of the original valve designs—are ideally suited for on-off, primarily liquid, service. A gate valve functions by lifting a rectangular or circular gate out of the path of the fluid. When the valve is fully open, forged ste…[Leggi tutto]

Glass vs. metal baking pans

Size isn’t the only thing that counts when choosing a pan from the many in your cupboard. The material it’s made of will affect both the baking time and the color of your breads, pies, cakes, and brownies.

Glass pans give food a darker, browner crust, so they’re generally best for breads and pies, which benefit from…[Leggi tutto]

Great Challenges in Organic Chemistry

The current scope of organic chemicals typically covers the theory and practice of (i) new synthetic methods and methodologies, (ii) isolation and synthesis of natural products, (iii) organic reaction mechanisms based on physical and theoretical chemistry approaches, (iv) bioorganic and medicinal chemistry,…[Leggi tutto]

Oil from pumpkin seeds

Pumpkin (Cucurbita pepo L.) is an annual climber and is in flower from July to September, and the seeds ripen from August to October [1]. Pumpkin seeds oil is an extraordinarily rich source of diverse bioactive compounds having functional properties used as edible oil or as a potential nutraceutical. In recent years,…[Leggi tutto]

Failure analysis of a commercially pure titanium tube in an air conditioner condenser

Joining of titanium and stainless steel is challenging due to the formation of hard, brittle intermetallics. This study focuses on engineering ductile materials for joining transition metals. Friction welding of tube to tube-plate by an external tool, a novel…[Leggi tutto]

Risk-Optimal Arrangement of Stiffeners in Steel Plate Shear Walls

Placement of ferritic stainless steel plate shear walls in the building cores around the elevators and stairs necessitates door-type openings in these systems. Because of large dimensions of door openings, the energy dissipation capacity drops significantly and thus, the…[Leggi tutto]

A Reluctant Online Furniture Shopper Orders Article’s Most Popular Sofa

Moving is the worst. Everyone knows there’s no joy to be found sorting through all your things, packing up whatever you keep, and then paying someone to lug it out, or worse, having to do it yourself. But decorating the new place, that’s the fun part, right? For me, it was…[Leggi tutto]

Guide to Essential Oil Diffusers

Essential Oil Diffusion is the process of dispersing essential oils so that their aroma fills a room or an area with the natural fragrance. From the simple to the elaborate, many different methods exist for diffusing essential oils into a room. Three easy aromatherapy diffusion methods exist which can be done with…[Leggi tutto]

Where Is Stainless Steel Pipe Used?

Desculpe, este conteúdo só está disponível em Inglês Americano. For the sake of viewer convenience, the content is shown below in the alternative language. You may click the link to switch the active language.

With so many different products like seamless pipes, welded pipes and flanges it might be over…[Leggi tutto]

Thermal Paper Rolls are used in thermal printers for customer receipts, tickets, etc. Obviously, there are lots of brands of thermal printers popular, such as Epson, Zebra. For each model of the printer, it has the fixed paper roll size it needed. This makes it easy for us to choose paper rolls for our printer.

Paper Roll Size:

The three key…[Leggi tutto]