In core making with cold core box, the solvent content in the binding material has a greater influence on the sand core strength.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
Lastly, studies transportation characteristic of bed load sediment of upstream end before vegetation dam. Preliminarily clear sand-binding mechanism of vegetation "flexible dam".
最后对植物坝前上游段推移质泥沙的输移特性进行了研究，初步探明了植物“柔性坝”的固沙机理。
The resin films of coated sand will be overheated and carbonized while the coated sand is scanned by the laser with a high enough power, and thus lose the binding effect.
用激光扫描覆膜砂，当激光功率足够大时，覆膜砂的树脂膜会发生过烧和炭化而失去粘结作用。
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