灰分的碱度可能与纤维的细度有关.There is a possibility that alkalinity of ash is related to fiber fineness.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.讨论了...
使集中集中或被聚集; 定位.To concentrate or be concentrated; localize.使集中,使聚合:使 ( 如光线 ) 集中在一中心点或向中心点集中; 集中.To cause ( light rays, for example ) to converge on or toward a central point; concentrate....
NOTES ON ANTS FROM ZHOUSHAN ISLANDS, ZHEJIANG ( HYMENOPTERA: FORMICIDAE )舟山群岛蚁科记述 ( 膜翅目、蚁科 )TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )云南平结蚁属二新种 ( 膜翅目: 蚁科 )...