灰分的堿度可能與纖維的細(xì)度有關(guān).There is a possibility that alkalinity of ash is related to fiber fineness.在足夠的溫度和堿度的情況下, 脂護酯可能被水解產(chǎn)生皂類.At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.討論了...
使集中集中或被聚集; 定位.To concentrate or be concentrated; localize.使集中,使聚合:使 ( 如光線 ) 集中在一中心點或向中心點集中; 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 )舟山群島蟻科記述 ( 膜翅目、蟻科 )TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )云南平結(jié)蟻屬二新種 ( 膜翅目: 蟻科 )...