端员 meaning in English
endmember
Examples
- It has been mined as a precious gem for four thousand years or more . peridot is mentioned in the bible under the hebrew name of pitdah
橄榄石的组成，主要是由mg2 sio4和fe2 sio4两个端员组份形成的完全类质同象混晶。 - The tourmaline is a kind of boron and silicate mineral , calling " the green imperial or royal seal " of the gems , there are its colors in many , the crystallization has nothing in common with each other , the crystal structure has tripartite crystal , six arrises body , post form body and one bunch of needles form fibrous respectively , the hardness of the tourmaline is generally about 7 . 3 - 9 . 6 , the relative density is 3 . 03 - 3 . 25
式中r代表金属阳离子，当r为mg2 fe2或li al3时，分别构成镁电气石黑电气石和锂电气石三个端员矿物种。电气石晶体呈近三角形的柱状，两端晶形不同，柱面具纵纹，常呈柱状针状放射状和块状集合体。 - In combination with the source characteristics , the three oil groups can be extrapolated to three end - member oils , or three oil populations : population a derived from wenchang source rock , population b derived from enping formation with absence of 4 - methylsterane , and population c might be sourced from the wenchang source rocks in the leftover sags with lowest maturity as a typical feature
结合源岩分子组成特征，上述三类原油可被外延至三类端员油： a类端员油，来于文昌组源岩； b类端员油，来于恩平组源岩； c类端员油，可能来于残留洼陷文昌组源岩。