1) birch bark tar
桦皮焦油
2) birch tar,birch tar oil
桦木焦油
3) Betula bark
白桦树皮
1.
A three-wavelength spectrophotometric method is proposed for determination of Condensation-tannis in Betula bark based on the reduction of potassium ferricyanide-ammonium ferric sulphate by Condensation-tannis in the acid medium.
建立了三波长分光光度法测定白桦树皮中缩合鞣质含量的分析方法。
2.
A new method of determining the antioxidant activity of betulin from betula bark is established.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
4) Betula luminifera
光皮桦
1.
Genetic Diversity of Betula luminifera Populations at Different Altitudes in Wuyi Mountains and Its Association with Ecological Factors;
武夷山不同海拔光皮桦种群遗传多样性及其与生态因子的相关性
2.
The effect of different afforestation density and mixed tree species on young plantation of Betula luminifera;
不同造林密度和混交树种对光皮桦幼林生长的影响
3.
Study on the Growth of Betula luminifera in Fuyuan County;
富源县光皮桦生长规律研究
5) Betula luminifera
光皮桦木
1.
Biomass and Spatial Distribution of the Fine Root of the Betula luminifera-Hemarthria compressa Composite Mode;
光皮桦木-扁穗牛鞭草复合模式细根草根生物量及空间分布
6) Betula utilis
糙皮桦
1.
The results showed that the annual decomposition ratios of leaf litter in the 4 artificial forests were Betula utilis(0.
通过人为施加蔗糖和硝酸铵对林地进行外源性C、N干扰和凋落叶分解的原位试验,结果表明,四川岷江流域上游地区的4种典型人工林地凋落叶年分解率及其大小顺序为糙皮桦(0。
2.
Aims Betula utilis and Abies faxoniana are two typical, important plants in timberline ecotone in subalpine regions of western Sichuan, China.
采用开顶式生长室(Open-top chamber,OTC)模拟增温对植被影响的研究方法,研究了川西亚高山林线交错带糙皮桦(Betula utilis)和岷江冷杉(Abies faxoniana)幼苗物候及生长特性对模拟增温的响应。
补充资料：煤焦油间歇蒸馏(见煤焦油蒸馏)
煤焦油间歇蒸馏(见煤焦油蒸馏)
batch distillation of coal tar
meijiaoyou Jian珊zhen目iu煤焦油间歇蒸馏(batch distillation of coaltar)见煤焦油蒸馏。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条