1) enriching helium from naturalgas
天然气提氦
2) rich-helium type natural gas
富氦天然气
1.
Preliminary study about genesis and pool formation conditions of rich-helium type natural gas;
汾渭盆地富氦天然气成因及成藏条件初探
3) Helium bearing natural gas
含氦天然气
4) Helium extraction
提氦
1.
Introduced are the application of Helium in different fields and main technologies of Helium extraction from natural gas at home and abroad; In view of natural gas containing helium in some gas field,studied comparatively are 3 kinds of low temperature Helium extraction processes.
介绍了氦气在不同领域的应用和国内外主要提氦工艺技术。
5) nature extract
天然提取物
1.
In order to study the antioxidant activities of nature extract such as glycyrrhizin and peanut hull etc, We adopted Oven-storag method to induce lard occuring peroxide reaction, and detected peroxide value as the basis of estimating antioxidant activities.
为了研究甘草、花生壳等天然提取物的抗氧化活性 ,采用查理烘箱法高温诱导猪油发生过氧化反应 ,测定其过氧化值作为评价抗氧化性能的依据。
6) extraction of natural product
天然物提取
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条