- 更多网络例句与桫椤相关的网络例句 [注：此内容来源于网络，仅供参考]
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The aim of the research was to primarily discuss the bacteriostatic activity of Alsophila spinulosa leaves and stems so as to provide basis for developing and utilizing Chinese traditional medicine Longgufeng.
初步探讨桫椤叶和茎干提取物的抑菌活性，为中药龙骨风研究开发提供依据。
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There are rare plants Alsophila spinulosa.
又有珍稀植物刺桫椤。
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MethodWith Staphylococcus aureus,Escherichia coli and Bacillus subtilis as tested bacterium,the bacteriostatic effects of ethanol extracts from Alsophila spinulosa leaves and stems on 3 kinds of bacteria were studied and compared with that of coptis extracts.
方法以金黄色葡萄球菌、大肠杆菌、枯草芽孢杆菌为供试菌种，研究了桫椤茎叶和茎干甲醇提取物对它们的抑菌作用，并与黄连提取物的抑菌效果进行比较。
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Simian Mountain is China's "treasure house of species gene", there are more than 1500 kinds of plants, 19 kinds of rare and endangered plants, including Alsophila spinulosa is 3.5 billion years ago prehistoric relict plant.
四面山是我国"物种基因的宝库"，有植物1500多种，珍稀濒危植物19种，其中刺桫椤是3.5亿年前的史前残遗植物。
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Characteristics of the individual ecological field gradient of the endangered plant Alsophila spinulosa was studied by constructing the individual ecological field gradient model.
通过构建濒危植物桫椤个体生态场梯度模型，研究桫椤个体生态场梯度的变化特征。
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Biological study and observation of the tree fern Alsophila spinulosa.
标题 桫椤生物学特性观察及初步研究。
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In a conclusion, there were a considerable proportion of relict and remnant elements which can be traced back to Mesozoic, and even Paleozoic, as well as typical ancient endemism. All of these fully showed evolutionary conservatism and phylogenetic antiquity of the Alsophila spinulosa community during the process of vegetation evolution.
由此可见，桫椤群落区系组成与起源年代都十分古老；与桫椤伴生的成分中存在较大比例的中生代甚至古生代的古老遗存物种，也明显表现出其在植被进化中的保守性和种系发生的古老性。
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Composition of both spermatophyte and pteridophyte flora of a relict Alsophila spinulosa community in Wutongqiao Nature Reserve of Leshan region was discussed. It shows the proportion of Tropic and Cathaysia elements in both spermatophyte flora and pteridophyte flora was almost 2/3 of the total at the genus level, and even more at the family level. There was a distinct ancient endemism phenomenon in spermatophyte flora, owning to being 8 relict and remnant endemism genera in the total of 9. Furthermore, the proportion of Tropic and Cathaysia elements both at family and genus level in the pteridophyte flora were much greater.
选以乐山五通桥桫椤自然保护区-桫椤群落的种子植物区系与蕨类植物区系组成为研究对象，发现种子植物区系在属的水平上热带成分与古华夏成分占到近2/3，在科的水平上则更高；种子植物区系中有9个中国特有属，其中8个为残遗或原始类型的古特有属，表现出典型的古特有现象；而在蕨类植物区系中热带成分和华夏成分所占比重更大。
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Cyatheaceae Jigongshan community is now focused on the protection of the relevant departments and Changtan Nature Reserve has become an eco-tourism attractions, people watching Cyatheaceae feel beautiful natural environment, can also be informative, fun temperament.
鸡公山桫椤群落现已得到有关部门的重点保护，并已成为长潭自然保护区生态旅游的一处新景点，人们在观赏桫椤、感受大自然优美环境的同时，亦可以增长见识，陶冶情趣。
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Measuring recreational value and existence value of agricultural land in Shiliuhong leisure farm in Wuhan;2. This research adopts the quantitative method to value direct extractive value,direct service value,indirect economy value, existence value of Chishui Alsophina spinulosa Nature Reserve.
本研究采用定量的方法对桫椤保护区生物多样性的直接实物价值、直接服务价值、间接经济价值、存在价值进行评估，以及对桫椤保护区生物多样性的保护效益进行分析，为行政部门和环境保护部门对保护区的科学管理提供理论依据。
- 更多网络解释与桫椤相关的网络解释 [注：此内容来源于网络，仅供参考]
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Alsophila spinulosa：桫椤科 桫椤
桫椤科 中华桫椤 Alsophila costularis 2 | 桫椤科 桫椤 Alsophila spinulosa 2 | 桫椤科 南洋桫椤 Alsophila loheri 2
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Alsophila contanminans：大羽桫椤 Diplobechnum fraseri 假木桫椤
Cyatheaceae 桫椤科 | Alsophila contanminans 大羽桫椤 Diplobechnum fraseri 假木桫椤 | Platyceriaceae 鹿角蕨科
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Alsophila costularis：桫椤科 中华桫椤
桫椤科 笔筒树 Sphaeropteris lepifera 2 | 桫椤科 中华桫椤 Alsophila costularis 2 | 桫椤科 桫椤 Alsophila spinulosa 2
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Alsophila jigerj：南洋桫椤
Alsophil fenicis 兰屿笔筒树 | Alsophila jigerj 南洋桫椤 | Diplobexchnum fraseri 假木桫椤
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Cyathea spp：桫椤属所有种
uviferum 桫椤 科 CYATHEACEAE | ★桫椤属所有种 Cyathea spp. #1 | 苏铁科 CYCADACEAE
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Cyatheaceae Cyathea：桫椤属
桫椤科 Cyatheaceae | 桫椤属 Cyatheaceae Cyathea | 黑桫椤 Cyatheaceae Cyathea podophylla
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Cyatheaceae：桫椤科
桫椤为桫椤科(Cyatheaceae)大型木本蕨类植物,共9属约650种,中国有3属20种,主要分布在热带、亚热带的热带雨林. 桫椤是较原始的高等植物,茎直立,通常高1-6米,叶聚生茎顶,以孢子繁衍后代. 由于分布区狭窄、自然繁殖困难和人类的砍伐等原因,
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Cyatheaceae spp：桫椤科
蕨类植物 Pteridophytes | 桫椤科 Cyatheaceae spp. | 桫椤 Alsophila spinulosa Ⅱ
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Cyatheaceae Cyathea pseudogigantea：毛轴桫椤
篦齿桫椤 Cyatheaceae Cyathea pectinata | 毛轴桫椤 Cyatheaceae Cyathea pseudogigantea | 大桫椤(新拟) Cyatheaceae Cyathea gigantea
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Cyatheaceae Cyathea podophylla：黑桫椤
桫椤属 Cyatheaceae Cyathea | 黑桫椤 Cyatheaceae Cyathea podophylla | 狭羽桫椤 Cyatheaceae Cyathea tinganensis