鳞片石墨矿是自然界可浮性最好的矿物之一.Flaky graphite is one of the best mineral in the nature.一般的岩石是不具有浮性的.Ordinary rocks don't have buoyancy.研究了红柱石的可浮性及其与捕收剂烷基磺酸盐的作用机理.Study the floatability of andalusite and mechanism of which with...
Callose stains are aniline blue, resorcin blue and rosolic acid.胼胝质的染剂是苯胺蓝, 间苯二酚蓝和玫红酸.Hypersensitive reaction and callose formation were two important resistance mechanisms.过敏性坏死反应和胼胝质的形成是2个重要的抗锈机制....
...bedridden persons confined to the supine position.那些只能平躺在床上的久病不起的人。He had to spend two years bedridden with an injury.他因伤不得不卧床两年。With two children bedridden the mother was ill at ease.两个孩子病得躺在床上,母亲非常焦急.It is especiall...
验光师把视力表靠近 一点: “ 现在能认出来 吗 ? ”The optician moved the chart closer: " Now can you read it? "我们这里有合格的验光师.We have qualified optometrists here.这迅速的参考是必须有的给全部眼科医师, 验光师和眼睛护理专业人士的口袋指南.This rapid reference is a must - have pocket ...