- 重点词汇
- 相关例句
Xylan is one of the component of hemicellulose, exises in various plant resources.
摘要木聚糖是半纤维素的一种重要组成成分, 广泛存在于各种植物资源中.
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Its xylem conduit develops, gas is rooted much, recovery capability is very strong.
它的木质部导管发达, 气生根多, 再生能力很强.
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中柱包括从原形成层衍生而来的全部初生组织,由中柱鞘 、 韧质部和木质部组成.
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A system confined to the transport of mineral elements is known as the xylem.
专门用来运输矿物元素的系统称为木质部.
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Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
原生木质部:初生木质部的成分,最早由原形成层形成.
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Both xylem and phloem form a continuous branched system in the whole plant body.
木质部和韧皮部在植物体内构成一个连续的分支系统.
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品种石新733主要生育期叶片木质部导管空穴化及气栓塞发生特性进行了研究.
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Secondary xylem consists of pitted vessels, parenchyma fibers and rays.
次生木质部由孔纹导管 、 薄壁组织及射线所组成.
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Thereafter the bottle is filled to the lip with commercial grade xylene.
然后,将工业品二甲苯放入瓶中,使达到瓶口.
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Solubility: Soluble in methanol, ethanol. Hardly soluble in toluene, xylene.
溶解度: 溶于甲醇 、 乙醇. 难溶于甲苯 、 二甲苯.
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