用FA型可视式中压砂床滤失仪对聚丙烯酰胺和棉纤维复合堵漏剂进行了室内试验研究。
Laboratory experiments were done on the evaluation of a composite lost circulation material (LCM) prepared by Polyacrylamide and cotton fibers on a FA Model Filter tester.
用水、沙、化学药物撞击它们的“高压水砂破裂法”能释放出气泡，这个过程也称“水力压裂”。
By cannoning water, sand and chemicals at them, a process known as hydraulic fracturing, or “fracking”, the bubbles can be released.
根据蒸压材料工艺学原理，使用石材厂的石粉泥浆为原料制备蒸压灰砂砖。
Based on the principle of autoclaved process, autoclaved sand-lime brick have been made using stone powder slurries from stone processing factories.
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