1) natural steroid
天然甾体
1.
In this paper we review the recent progress of synthesis by the conversion of natural steroid.
讨论了近年来天然甾体合成 1α ,2 5 二羟基维生素D3 的研究进展状
2) Natural steroids
天然甾类
3) natural phytosterols
天然植物甾醇
1.
With the increasing demand in these industries,researchers have been paying attention to how to prepare high purity natural phytosterols.
天然植物甾醇具有多种重要生理功能,目前广泛应用于医药、食品及化妆品等行业。
4) natural soybean phytosterol
天然大豆甾醇
6) natural water
天然水体
1.
Study on the fuzzy synthetic evaluation for natural water quality;
模糊综合评价在天然水体水质评价中的应用研究
2.
The relationship between the purification and distribution of Fe and Oxalate in natural water;
天然水体中Fe和草酸根分布与水体净化的关系
3.
This paper is inclined to present the results of our natural water degradation simulated experiments so as to gain a better under- standing over the behavior of the photooxidation degradation of aniline in a photochemical reactor designed by ourselves.
为了更好地了解苯胺类物质在环境中的化学行为,在自行设计的光化学反应器上进行模拟天然水体的苯胺光降解实验,用气相色谱法测定苯胺的残余质量浓度,考察了水体pH值、光强、反应时间、光敏化剂、水质等条件影响下苯胺的光降解效果和规律。
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