heartwood
英['hɑːtwʊd]
美['hɑːrtwʊd]
- n. 赤木质；心材
详细释义
Noun:
-
the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
双语例句
- 1. The sapwood is pinkish and the heartwood pinkish-brown.
- 边材为粉红色，心材为粉红褐色。
youdao
- 2. Up-take of sapwood was obviously higher than that of heartwood.
- 边材上染率明显高于心材。
youdao
- 3. Cedar heartwood is also an excellent choice, at a bit less cost.
- 雪松心也是一个很好的选择，少一点成本。
youdao
- 4. What can be said about the range of dates of the last heartwood rings?
- 怎样描述最后的心材环的日期范围。
youdao
- 5. The black heartwood has uneven red - brown stripes or a marbled effect.
- 黑色心材上有错落的红棕色条纹或大理石纹理。
youdao
- 6. It is important to note, color in this explanation refers to sapwood and heartwood.
- 重要的一点说明是，这里的颜色是指边材和心材的颜色。
youdao
- 7. Removing that layer, one reaches the white wood. Removing that, one comes to the heartwood.
- 再除掉那一层，就达到了白木：再除掉白木，就来至木心。
youdao
- 8. One or more layers of living and functional sapwood cells are periodically converted to heartwood.
- 每个生长周期都有一或多层活的边材细胞转变成心材。
youdao
- 9. This algorism did not consider the interference from knots to sapwood and heartwood identification.
- 但该算法避开了节子对心边材识别的干扰。
youdao
- 10. Possible reasons for the reduced relative durability of extracts visa vis native heartwood were advanced.
- 本土树种的心材提取物相对持久力的减少的可能原因是复杂的。
youdao
- 11. Whether gas or liquid, radial or tangential, the permeability of Masson's pine wood is increasing from heartwood to sap wood.
- 马尾松木材的渗透性都是从心材向边材逐渐增大。
youdao
- 12. Six years ago I founded KIPP Heartwood Academy, a public charter school in San Jose, part of a network of 99 KIPP schools nationwide.
- 六年前我在圣何塞建立了一所公立特许学校——KIPP心材学院，这是全国99所KIPP学校中的一所。
youdao
- 13. Six years ago I founded KIPP Heartwood Academy , a public charter school in San Jose, part of a network of 99 KIPP schools nationwide.
- 六年前我在圣何塞建立了一所公立特许学校——KIPP心材学院 ，这是全国99所KIPP学校中的一所。
youdao
- 14. Extract of the heartwood of acacia catechu used for dying and tanning and preserving fishnets and sails; formerly used medicinally.
- 用儿茶树的心材提取，用于印染、制革、渔网和帆蓬保养，以前用于医药。
youdao
- 15. A spiny tropical American tree(Haematoxylon campechianum) in the pea family, having dark heartwood from which a dyestuff is obtained.
- 洋苏木一种美洲热带产豆科多刺乔木（墨水树）
youdao
- 16. On the basis of this, the relationship between concentrations of stilbenes in the samples and the heartwood resistant ability was studied.
- 并在此基础上，研究木材中细胞次生代谢产物——二苯乙烯类化合物的含量与木材对真菌腐朽耐受性的相关性。
youdao
- 17. In the heartwood of the old trunks, there is ample oak tannin and aromatic materials of oak, which ensures the quality of the oak products.
- 这种老树干的心材中，含有丰富的橡木单宁和橡木的芳香物质，是保证橡木制品质量的关键所在。
youdao
- 18. The dynamic regularity was similar in one year branches, many year branches, heartwood and sapwood, leaves and roots had their own characters.
- 新疆杨一年生枝、多年生枝、心材和边材的离子分布年内动态相似，叶和根有各自独特的特点。
youdao
- 19. Rich and moist soils such as well-drained alluvial soils, do not support sandalwood well; the heartwood in such trees will be deficient in oil.
- 丰富和潮湿的土壤，如排水良好的冲积土壤，不支持檀香很好，在这些树木心材将在石油不足。
youdao
- 20. PROPERTIES:Heartwood growing very slowly, so logs of large diameter used only. wood:Clear difference between pale sapwood and black brown heartwood.
- 木材生长非常缓慢﹐因此此种所利用的原木通常只用大径木。淡色边材与深色心材区别相当明显。
youdao
- 21. Sometimes known as Northern white cedar and Eastern white cedar, the sapwood of white cedar is thin and white, while the heartwood is a light brown.
- 有时就像北方白宫雪松和东欧雪松。白宫雪松的边材是白色的，而日薄，而心是一种浅棕色。
youdao
- 22. The sapwood of walnut is creamy white, while the heartwood is light brown to dark chocolate brown, occasionally with a purplish cast and darker streaks.
- 核桃木的白木质为奶白色，心材则为浅棕至棕黑色，偶有带紫色的出裂纹及较深色条纹。
youdao
- 23. The architects used finishes made from organic, environmentally friendly stains and sealants that contain natural resins and gums extracted from tree heartwood.
- 建筑师用有机、环保的染料和密封剂制成饰面，含有天然树脂和树心提取的树胶。
youdao
- 24. Appearance: diffuse-porous wood, half ring hole material tendency obvious, growth ring slightly obviously, heartwood red brown to purple brown, sawdust water extract of red;
- 外观：散孔材，半环孔材倾向明显，生长年轮略明显，心材红褐至紫红褐色，木屑水浸出液红色；
youdao
- 25. We have found there is strong restrain effect of Wild Siris heartwood extract with in methyl alcohol or with in acetone on Coriolus versicolor, soft rot fungus and Penicillium;
- 山槐心材的甲醇和丙酮提取物对采绒革盖菌、球毛壳菌和宛氏拟青霉菌的抑制效果都很强；
youdao
- 26. We have found there is strong restrain effect of Wild Siris heartwood extract with in methyl alcohol or with in acetone on Coriolus versicolor, soft rot fungus and Penicillium;
- 山槐心材的甲醇和丙酮提取物对采绒革盖菌、球毛壳菌和宛氏拟青霉菌的抑制效果都很强；
youdao
- The narrow band of sapwood is very similar in colour to the heartwood.
边材的窄带颜色与心材非常相似。
用作名词 (n.)
用法讲解
- heartwood rot 心材腐蚀
- heartwood tree 心材树
相关词汇
- duramen 心材
【近义词】
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