As the size of coal pillar increases, the width of neutral plane area increases. However, the speeding-up of neutral plane area occupying the width of coal pillar decreases and becomes stable.
随煤柱尺寸增加，中性面区域的宽度逐渐增大，但其占煤柱宽度比例增速降低并逐渐趋于稳定。
This investigation of the mechanism of premixing alum-rosin size for neutral-alkaline papermaking process focused on the mixture solution charge and particle size distribution.
中碱性造纸过程中松香明矾预混和过程的研究主要集中在混和液的电荷及粒度分布。
Several alkyl rosin ester rosin sizes and glycerin rosin ester rosin size were prepared and used for paper sizing under neutral alkaline conditions.
本研究制备了多种烃基松香酯松香施胶剂及松香甘油酯松香施胶剂，并对其在中、碱性造纸施胶中的应用进行了探讨。
Main shelves will be in a neutral white, so that products will be even more outstanding, or in stainless steel, with smaller sections and size.
天然纯白的主货架和不锈钢次货架让本身质优的产品显得更亮眼。
Main shelves will be in a neutral white, so that products will be even more outstanding, or in stainless steel, with smaller sections and size.
天然纯白的主货架和不锈钢次货架让本身质优的产品显得更亮眼。
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