poplar bark
英 [ˈpɒplə(r) bɑːk]
美 [ˈpɑːplər bɑːrk]
网络 杨树皮
双语例句
- Pilot scale extraction of lipid from poplar bark
杨树皮类脂萃取中试报告 - Phosphorus content of the poplar bark was correlated positively with both the disease index and the available P in the soil layer.
树皮中全P含量与该层土壤速效P含量及感病指数均具有显著的正相关性。 - Typical symptom of the poplar ulcer disease is the large ulcerate spots on the bark.
杨树大斑溃疡病的典型症状是产生大型溃疡病斑，当病斑包围树干时，上部即死亡。 - Relation Between Peroxidase and Polyphenoloxidase Activities in Poplar Bark and Canker-Resistance
杨树树皮内过氧化物酶和多酚氧化酶活性与抗溃疡病的关系 - Study on separation of unsaturated fatty acids from poplar bark extract
从杨树皮提取分离不饱和脂肪酸的研究 - The purified unsaturated fatty acid ethyl ester from poplar bark is a product of highly purified linoleic acid whose content reached to 94.04%.
精制的杨树皮不饱和脂肪酸乙酯产品是高纯度的亚油酸制品。产品中主要成分是亚油酸，其含量达94.04%。 - In regard to the composition of gas product, gas from leaves contain more oxygen and less hydrogen element. For the gas from poplar bark and wood, the oxygen contained in gradually reducing and hydrogen elements in the progressive rise.
在产生气体的元素组成方面，杨树叶所产气体中含有较多的氧元素和较少的氢元素，而由杨树皮和杨树木屑所产生的气体中含有的氧元素逐步降低，氢元素逐步升高。