The following recent email-marketing studies show some of the wide variations in email open and click-through rates based on different industries and types of emails sent: 1  According to the 2012 Silverpop Email Marketing Metrics Benchmark Study, open rates in the United States averaged 19.9% .
Hydrodesulfurization (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products, such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils. The purpose of removing the sulfur, and creating products such as ultra-low-sulfur diesel, is to reduce the sulfur dioxide (SO
What is DTS format. DTS is a series of multichannel audio technologies (formerly known as Digital Theater Systems, Inc.), a company dedicatedly specializing in digital surround sound formats used for both commercial/theatrical and consumer grade applications.-channel stereo with mono surround (Left, Center, Right, Surround). 4-channel quadraphonic (Left, Right, Left Surround, Right Surround). 5-channel surrounding (Left, Center, Right, Left Surround, Right Surround). Generally speaking, DVD's audio is AC-3 or DTS format, which is featured 5.1 surround sound.