The phrase "ancient compounds" is correct and usable in written English.
It can be used when referring to chemical compounds or substances that were created or discovered in ancient times.
Example: "Archaeologists have found evidence of ancient compounds used in early medicinal practices."
Alternatives: "historical compounds" or "old compounds".
"My message has been the same," he said, when asked about the Olympics at an appearance with President Lee Myung-bak in a garden at the Blue House, the ancient compound in Seoul that is the office of South Korea's president.
The chapter also describes how these vesicles are related to naturally occurring substances, particularly the vesicular membranes that are produced from ancient organic compounds present in carbonaceous meteorites.
Since ancient times, compounds containing mercury have been used in the treatment of skin diseases and other ailments.
He secretly hired Arab tribesmen to dig in the mounds and immediately found an ancient palace compound, complete with murals, ivories and wall carvings.
Don't confuse Anantara with Aman — the ne plus ultra chain that is set to open Amanfayun (www.amanfayun.com), a spectacular 42-room resort that evokes an ancient Chinese compound, about 20 minutes from Hangzhou, China.
An argument in the real sense of an argument, it's as if Paine is shouting at you as he rips into the unfairness of a king on one island ruling a continent on the other side of an ocean: "If we will suffer ourselves to examine the component parts of the English Constitution, we shall find them to be the base remains of two ancient tyrannies, compounded with some new Republican materials".
The energy capital of the world recognizes that its most abundant resource is an ancient organic compound, and that sending it into the atmosphere through the ends of pipes isn't the best way to use it, for anyone, and that more precious, valued added products can be created with longer life spans and more integrated value chains.
The clothes stir up scrapbook notions of ancient family trees, summer compounds, boarding school uniforms, and large, granite buildings inscribed with some great-great-grandfather's name.
In both ancient and modern agriculture compounds derived from plants and microorganisms have been used as biopesticides to reduce impact of disease in plant production.
The center is focusing on compounds from ancient Chinese fermented beverages, such as rice wine, but McGovern says they will eventually test Egyptian wines as well.
