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As the bark beetle damages in the trunk or the inner bark of trees, it can be easily transmitted during international trade in timber and wooden packing material, so the quarantine of bark beetle is very important.

由于其在木材和树皮下危害,使得小蠹虫随木材进口和各种货物木质包装材料在国际间传播的机会大大增加,因此具有十分突出的检疫重要性。

At present,restricted by customs clearance time and quarantine facility,the main method of bark beetle quarantine is to check the cargo with eyes and hand.It is hard to avoid oversight with the backward technology.

由于其在木材和树皮下危害,使得小蠹虫随木材进口和各种货物木质包装材料在国际间传播的机会大大增加,因此具有十分突出的检疫重要性。

Woodpecker is a well-known forest birds that feed, in addition to eradication of pests such as bark beetle larvae than its wood chisel marks can be used as an indicator of forest health logging, which is known as the forest a doctor.

啄木鸟是著名的森林益鸟,除消灭树皮下的害虫如天牛幼虫等以外,其凿木的痕迹可作为森林卫生采伐的指示剂,因而被称为森林医生。

Woodpecker Woodpecker is the famous forest birds that feed, in addition to eradication of pests such as bark beetle larvae than its wood chisel marks can be used as an indicator of forest health logging, which is known as the forest a doctor.

啄木鸟啄木鸟是著名的森林益鸟,除消灭树皮下的害虫如天牛幼虫等以外,其凿木的痕迹可作为森林卫生采伐的指示剂,因而被称为森林医生。

The carrier can be paper, gold foil, bark, leaves, cloth, leather, leather and other sheet materials.

其载体可以是纸张、金银箔、树皮、树叶、布、皮、革等片状材料。

Chinese Cinnamaldehyde which also named Cinnamaldehyde alias, is the main component of volatile oil which obtained by steam distillation from dry skin and cinnamon bark of lauraceae plants . It is researched as a root canal sterilization drug in recent years, it can seriously undermine the bacterial cell surface structure, and thus has a wider antibacterial spectrum and strong antibacterial activity; gallnut hundred, also known as worms, it is a kind of gall that be formatted by Schlechtendalia species of insects including Schlechtendalia and times aphid eggs in their parasitic plants Anacardiaceae Rhus chinensis, Green bran Yang or red bran Yang, the main ingredient for gallnut tannin, can solidification microbial protoplasts and a variety of body enzymes, a wide range of bacteria, fungi, yeasts are inhibited.

中药桂皮醛别名肉桂醛,是樟科植物肉桂的干皮及树皮经水蒸气蒸馏得到的挥发油中的主要成分,是近年来研究较多的根管消毒药物,它能够严重破坏细菌细胞表面结构,从而具有较广的抗菌谱和较强的抗菌活性;五倍子又名百虫,是倍蚜种昆虫角倍蚜或倍蛋蚜在其寄生漆树科植物盐肤木、青麸杨或红麸杨等树上形成的虫瘿,其主要成分为五倍子鞣质,能够凝固微生物体内的原生质及多种酶,对多种细菌、真菌、酵母菌都有明显的抑制作用。

In this paper,its morphology, microstructure,the chemical composition of leaves, fruits, bark, resin and its biological activities were discussed and summarized, in favor of Liquidambar formosana on the further study.

本文对枫香树的形态特征,显微结构,树叶、果实、树皮、树脂的化学成分和其生物学活性进行了探讨和总结,以便于对枫香树的进一步研究。

The extraction conditions of myricanol in Myrica esculenta bark were studied and its content was determined by HPLC.

研究从毛杨梅树皮中提取杨梅醇的工艺条件及用HPLC法测定其含量的色谱条件。

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。

Furthermore, the ability of betulinic acid to induce apoptosis in melanoma and other cell types and the favoral therapeutic index suggests that betulinic acid is an attractive and promising antitumor agent.

虽然白桦酯酸存在于很多植物种类中,但其普遍含量很低,由于其巨大的研究价值,仅靠植物提取已经不能满足越来越多的研究需求,与白桦酯酸结构很相近的化合物白桦酯醇,在白桦树皮中含量高于10%,而白桦又是北半球数量丰富的树种。

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