树皮

In an earlier stage, phenol-formaldehyde-tannin adhesives were synthesized using tannin extracts from Pinus pinaster bark.

在早期阶段，苯酚甲醛单宁粘合剂使用合成鞣质提取马尾松松树树皮。

These PUFT adhesives were prepared by copolymerisation of Pinus pinaster bark tannins with phenol-urea-formaldehyde prepolymers.

这些PUFT粘合剂，制备了copolymerisation松松树树皮单宁与酚醛脲醛预聚物。

Even though the change pattern of protein content was similar, its occurrence is much earlier in staminate than in pistillate plants.

杜仲雌雄株树皮中的蛋白质含量变化趋势基本一致，但雄株发生变化的时间比雌株早。

In the course of the summer I had discovered a raft of pitch pine logs with the bark on,pinned together by the Irish when the railroad was built.

夏天里，我曾经发现了一个苍松的木筏，是造铁路的时候，爱尔兰人钉起来的，树皮都还保留着。

" The plebe snaps to attention and barks,"No, sir!

"该plebe照片，以关注和树皮，"没有，先生！

As mangrove grow in habitats of alternating with dry and wet and have high salt contents both in soil and sea water and lack of oxygen, as a result, mangroves have their own adaptive characteristics: such as vivipary, prop root, buttress-like root and pneumatophore.

由于红树植物生长在干湿交替，高盐和缺氧的湿地生态系统中，因此，为适应这样的环境特点，它逐渐在生理和形态上有了其适应性：如胎生，支柱根和板状根，呼吸根，树皮富含单宁等。

The diseased tree is marked by protuberance on their bark.

有病的树木可由其树皮上的结节看出。

Psylla chinensis Yang et Li is distributed in Northeast, North and Northwest of China and Shandong, Anhui, Henan Province, etc.. It damages pear.

生活习性：在辽宁一年发生3代，河北3代～5代，山东4代～6代，以成虫在树皮缝、杂草、落叶层及土缝中越冬。

In mid- March and mid- May when the Psylla chinensis adults of the generation of winter and the first generation become richer, foundation function had been done when several control measures had been carried on to prevent the pests.

结果表明，在中国梨木虱越冬代和第一代成虫发生盛期实施冬季清园、刮树皮并树干涂抹石硫合剂、植物源药防治和种植趋避植物等多项措施可以有效减少梨木虱发生。

By a decaying stump he saw the puff adder, though it was almost indistinguishable from the flakes of old bark, thickened inside a widened cleft of the wood.

在一个烂树墩旁，他看见了鼓腹毒蛇，尽管在那些老树皮的鳞片中几乎认不出它，它深藏在那片木头中宽大的裂缝中。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。