英语释义

• the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood

片语

duramen[木] 心材；木心

false heartwood假心材

Heartwood Giant哈特森巨人

heartwood tree心材树种

Heartwood Storyteller哈特森说书人

frost heartwood冻心材

basis metal心材，包层产品之中心金属

heartwood products心材产品

Heartwood Way街道地址

wound heartwood假心材

heartwood d心材

英汉例句

• 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，如排水良好的沖积土壤，不支持檀香很好，在这些树木心材将在石油不足。

• 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。

• 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。

• 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。

• 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。

• sapwood contains xylem vessels, but not as strong as heartwood .

  边材含有木质导管，但不如中心木质那样坚硬。

• this study conducts separation and biological toxic test for extractive substance of heartwood of catalpa bungei. results show that major effective antifungal component are now compounds n and s.

  本研究对楸木心材提取物进行分离和生物毒性试验，结果表明主要的有效抗菌活性成分是新物质n和s。

• heavy wood with dark colored heartwood used for ornaments.

  重硬且心材呈浓色者可供作木艺品制造用。

• the heartwood yields a red dye. seed can be used for oil extraction.

  其心材可生产一种红色的颜料，种子可用来榨油。

• 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。

• rough redwood or construction grade heartwood lumber are the preferred choices for wall construction.

  粗糙红木或建筑系心材是修建隔离墻的优先选择。

• 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。

• the analysis of chemical component showed that the lignin content of solid material was lower, but the carbohydrate content of solid heartwood was higher.

  化学成分分析表明，实心材的木素含量较少，碳水化合物含量较高。

• 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。

• 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。

• the visualization is so perfectly done that the official plans for the stadium are altered to include an exact replica of a suite that heartwood designed for the digital model.

  这个达拉斯牛仔体育场坐落在得克萨斯州阿灵顿。如此完美的可视化是完成计划的官方体育场变更为包括复制品的套件，心材而设计的数字模型。

• 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。

• in the durable species, decay resistance decreases incessantly from the outer heartwood to the pith.

  在耐腐树种中，其耐腐力从心材的外缘到髓芯逐渐降低。

• in this work main chemical changes between green wood and air dried wood, heartwood and sapwood in their extractives of picea jezoensis var.

  研究长白鱼鳞云杉、臭冷杉的木材及其抽出物化学组成，并分析生材与气干材、心材与边材中各种化学组成变化的规律。

• the sapwood is pinkish and the heartwood pinkish-brown.

  边材为粉红色，心材为粉红褐色。

• one must be able to differentiate between cambium and heartwood when buying furniture.

  具的时候，一定要分辨边材和心材。

• in this work main chemical changes between green wood and air dried wood, heartwood and sapwood in their extractives of picea jezoensis var. komarovii and abies nephrolepis are studied.

  研究长白鱼鳞云杉、臭冷杉的木材及其抽出物化学组成，并分析生材与气干材、心材与边材中各种化学组成变化的规律。