pitch pine

1. The main components which can cause pitch trouble in the process of paper making with Masson pine TMP was simulated by using fatty acid, resin acid and oleic triglyceride as model materials.
   以脂肪酸、树脂酸、三油酸甘油脂为模型物，模拟了马尾松TMP造纸过程中造成树脂障碍的主要成分。
2. The sulphur-like pollen of the pitch pine soon covered the pond and the stones and rotten wood along the shore, so that you could have collected a barrelful.
   苍松的硫磺色的花粉不久就铺满了湖面和圆石以及沿湖的那些朽木，因此你可以满满地装上一桶。
3. Large 3-needled pine of sandy swamps of southeastern United States; needles longer than those of the northern pitch pine.
   美国东南多沙沼泽中生长的一种大型三针松；针叶比北方的刚松长。
4. Lipase pitch control of Masson pine acid sulfite pulp
   利用脂肪酶控制马尾松酸性亚硫酸盐浆树脂的沉积
5. Control Pitch Trouble of Masson Pine TMP with Oxidants
   氧化剂控制马尾松TMP树脂障碍
6. Pitch Control of Mason Pine TMP with the Combination of Lipase and Surfactant
   脂肪酶结合表面活性剂控制树脂障碍

noun

1. large three-needled pine of the eastern United States and southeastern Canada

   Synonym:    northern pitch pinePinus rigida

2. large three-needled pine of southeastern United States having very long needles and gnarled twisted limbs

   Synonym:    longleaf pinesouthern yellow pineGeorgia pinePinus palustris