The obtained fattyacid is above 50% of total amount of the spent material.

下脚料分离所得的产品脂肪酸占下脚料总量的50％以上。

youdao

He spent 27 years writing Compendium of Material Medica.

他花了27年撰写了《本草纲目》。

youdao

Designers spent more than one year choosing and testing ideal materials, and finally picked a new kind of material that can resist the very difficult conditions on the Moon.

设计师们花了一年多的时间选择和测试理想的材料，最终挑选出一种能够抵御月球上异常恶劣条件的新型材料。

youdao

Both sides are expressing concern over North Korean statements on Friday that Pyongyang is continuing to extract plutonium from spent nuclear fuel for material useable in weapons.

VOA: standard.2009.09.06

Izhar Gafni, from Israel, spent 18 months just folding the material every-which-way in order to discover a strong enough design, and now he claims his technique is almost ready for mass production.

ENGADGET: Cardboard bicycle 'close to mass production': tough, green and just $20

Mr Curtin said he had spent his entire childhood building with the toy construction material and was excited to have the "largest set in the world".

BBC: Work begins on 'giant Meccano bridge' in Bolton

Marsalis, JLCO's music director, said he was impressed by the amount of time the rock trio spent rehearsing the complex arrangements in order to master material outside their comfort zone.

WSJ: Crosby, Stills and Nash get jazzy with Marsalis