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 fluidhttp://www.mingyivalve.com/for....ged-steel-gate-valve

Accordingly, one of the grand challenges in organic chemistry is how to explore new frontiers at the interface of inorganic chemicals and other science or technology fields. In the past, the majority of interdisciplinary research was between two disciplines in two different laboratorieshttp://www.hongjiachem.net/inorganic-chemicals/

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 nutraceuticalhttp://www.dljhbros.com/raw-ma....tierial-pumpkin-seed

Titanium is a lightweight material whose density is approximately 60 percent of steel's and 50 percent of nickel and copper alloys'. It was recognized in the 1950s as a desirable material for aerospace applications—especially airframe and engine components.http://www.bjchangli.com/titan....ium-nickel-zirconium