experimental research on recovery of mica from tailings of air-separated fragmental mica 從碎云母干選尾礦中回收云母的試驗(yàn)研究
some publications have discussed this issue, but they are either fragmental, legal, or case studies 實(shí)務(wù)工作上很難從這些論文中獲得幫助。
the select principle of drawing interval was given for different coal-gangue fragmental size 給出了不同煤矸塊度條件下的放煤步距選取原則。
introduction of a new method of seeking the derivation of a fragmental function at the point of demarcation 分段函數(shù)于分界點(diǎn)處求導(dǎo)方法之探討
the plant species of shrub in the fragmental evergreen broadleaved forests are less rich than those in the continuous evergreen broadleaved forest 片斷森林的灌木層種類(lèi)不如連續(xù)森林豐富。有些片斷森林只是邊緣的草本較多,林內(nèi)的草本種類(lèi)較少。