rock-wool

基本解釋

This paper analyzed the property of rice seedling that was cultivated with a new technique of rock-wool seedling combining with proportional nutrients.
本文探討了以巖棉為基質(zhì)，以育苗專用肥為養(yǎng)分給源的水稻育苗技術(shù)所培育的秧苗在生長、形態(tài)及生理素質(zhì)方面的特點(diǎn)。
In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed…
還對(duì)乙丙橡膠用量、增塑劑用量、發(fā)泡劑用量和巖棉用量對(duì)材料吸聲性能的影響做了研究。
In the present paper, the effects of EPR, blowing agent, plasticizer and rock-wool content on the sound absorption coefficient of the foamed materials were also studied and analysed. Optimum base…
還對(duì)乙丙橡膠用量、增塑劑用量、發(fā)泡劑用量和巖棉用量對(duì)材料吸聲性能的影響做了研究。

So even a dyed-in-the-wool Zynga bear might be forced to consider that the stock may have finally hit rock bottom.
FORBES: Zynga Spikes; Suddenly, Investors See A Raging Bargain