Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.
利接枝共聚和磺的方法对落叶松单宁改性。
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Have greatly enjoyed all this huge day, sauntering and seeing, steeping in the mountain influences, sketching, noting, pressing flowers, drinking ozone and Tamarack water. Found the white fragrant Washington lily, the finest of all the Sierra lilies.
非常享受这一重要一天,漫步和观赏,沉浸在山间影响,素描,注意,压花,喝臭氧和松水。找到了白色芬芳华盛顿百合,这是所有塞拉利昂百合最好。
The tall Dahurian larch, the evergreen Scots pine, the slim and straight white birch, the cloud-piercing Korean aspen, the aromatic Siberian fir, along with black birch, oak, mountain elm, Chosenia arbutifolia—whatever they laid eyes on, they cut down.
高大松, 常青樟子松,挺拔白桦, 穿云白杨,芬芳西伯利亚冷杉, 还有黑桦、橡树、山榆、黄栌——他们看什么,就砍什么向下。
The most notable are the Yosemite Gorge Fall and Cascades, Tenaya Fall and Cascades, Royal Arch Falls, the two Sentinel Cascades and the falls of Cascade and Tamarack Creeks, a mile or two below the lower end of the Valley.
最著名是优胜美地峡谷瀑布和瀑布、特纳亚瀑布和瀑布、皇家拱门瀑布、两个前哨瀑布以及瀑布和松溪瀑布, 它们位于山谷下端下方一两英里处。