1) extraction of water system
水系提取
1.
Information extraction of water system in basin is the first step of the development of water resources.
在利用形状指数去噪音方法的基础上,使用GIS技术去除背景噪音,弥补了形状指数去噪音方法的缺陷,更好的去除了水系提取过程中混入的背景噪音。
4) Water extraction
水提取
1.
)Pok,in this paper the methods of water extraction,ethanol extraction and petroleum ether extraction were used.
采用水提取法、醇提取法和石油醚提取法对小甘菊花的化学成分进行了比较全面的定性实验。
2.
In this research, chemical constituents from the Clematis songarica Bge were obtained were obtained with the method of water extraction, ethanol extraction and petroleum ether extraction.
本实验采用水提取法、醇提取法和石油醚提取法对准噶尔铁线莲的化学成分进行了定性研究。
3.
,the methods of water extraction,ethanol extraction and petroleum ether extraction were used.
采用水提取法、醇提取法和石油醚提取法对核桃隔膜的化学成分进行了比较全面的定性研究。
5) water extract
水提取物
1.
Experimental studies on anti-inflammatory activity of the water extract from Radix et Caulis Ilicis Asprellae;
岗梅水提取物抗炎作用的实验研究
2.
Anti-tumor effect of the Aster water extract in vivo;
紫菀水提取物体内抗肿瘤作用
3.
5),water extract and solvent-extractable organic compounds of PM2.
5)及其水提取物和有机提取物对大鼠肺泡巨噬细胞的细胞毒性和DNA的损伤作用。
6) hot water extraction
热水提取
1.
Based on the comparison between microwave extraction and hot water extraction, by the experiments of microwave extraction and the analysis of orthogonal test, the effects of microwave power, extraction duration and solvent/solid ratio on the extraction ratio of porphyra polysaccharides were investigated.
结果表明:微波提取优于热水提取,微波冻融提取效果最佳,提取率最高达7。
2.
The different extracting methods about polysaccharide of Gracilaria lemaneiformis were inves-tigated, that was based on the comparison between ultrasonic extraction and hot water extraction.
结果表明,超声波提取优于热水提取,其提取率最高达到29。
3.
In this paper,ultrasonic extraction method and hot water extraction method were used for extracting polysaccharide from portulaca oleracea.
采用热水提取和超声波辅助法提取马齿苋中的多糖,分别进行单因素试验和正交试验,并对这2种方法进行比较,以期找出马齿苋多糖的最佳提取工艺条件。
补充资料：长江水系水能资源
长江水系水能资源
hydropower resources of Changjiang (Yangtze) river system
ChongJ一ong sh一Jlx一sh口一ne，、g:一yL;o)、长江水系水能资源[hydropower resourees ofChangjiang(Yangtze)river System]据1950年《中华人民共和国水力资源普查成果》统计，长江水系水能资源理论蕴藏量为23478.2亿kw·h/a，其中技术可开发资源10275.2亿kw·h/a。长江水系可能开发的水能资源占中国比重为53%.主要分布于长江干流和雅碧江、大渡河、乌江、沉江、汉江和赣江等干流，以上河流可能开发资源年发电量占全水系的75%。水系内水能资源分布见表。
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