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But success eluded them because the process gives rise to an unstable oil with a very low liquid yield that's mostly unusable.
But the intermediate host is only one piece of the puzzle. Locating the actual viral origin is so difficult that it wasn't until 2016 that Chinese scientists said they had traced the natural carrier of the SARS virus to horseshoe bats in a cave from Yunnan province. Shi said scientists might need to do the same time-consuming field work to find the source for the new virus.

By 2020, the western regions as whole will see its ecological, business, opening-up and innovation environment to be substantially improved.
But with the expense of making the Kindle Fire reportedly well above the retail price of the device, all those sales will come at a cost to the Seattle company’s bottom line, at least in the short term.
By Monday, 183,800 had been relocated to safer areas.
来源:资阳报