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Excluded genus Chrysolepis, the distribution of Castanopsis is tropical Asia.

排除金鳞果属后,属的分布类型应属热带亚洲分布。

Fossil history Modern and geological distributions of Castanopsis are studied based on published data and herbarium specimens as well as fossil records .

根据文献资料和标本馆及化石记录,讨论了壳斗科属植物的现代分布和地史分布。

Based on the data collected from sample plots with an area of 3000m2,the floristic composition,physiognomy,and spatial structure of Castanopsis kawakamii community in Sanming,China,were analysed.

3公顷样地调查材料的基础上,分析了福建三明小湖地区格氏群落的植物区系成份、群落外貌、水平结构和垂直结构特征。

Based on 122 pieces of literatures on Castanopsis kawakamii searched from the CNKI database from 1979 to August 2009,this paper made a statistical analysis on the distribution of the research fields, publication time, journal categories, research areas and the number of authors.

统计分析了1979至2009年8月中国知网数据库中检索的122篇格氏文献的研究领域、时间分布、期刊分布、省份分布及作者人数构成等内容。

Red mangrove, Elaeocarpus, and so tall C.carlesii arbor tree height up to 30 meters, diameter 08 meters, with a clear plate-like root.

、杜英、米槠等高大乔木树高可达30余米、胸径08米,具明显的板状根。

The seasonal changes in photosynthetic characteristics of three deciduous broad-leaved species (Fagus lucida, Acer davidii, and Liquidambar acalycina) and four evergreen broad-leaved species (Castanopsis lamontii, Cyclobalanopsis oxyodon, Manglietia chingii, and Schima argentea) in Guangxi Mao'er Mountain were studied.

研究分析了广西猫儿山中山森林中3种落叶阔叶树(亮叶水青冈Fagus lucida;青榨槭Acer davidii;缺萼枫香Liquidambar acalycina)和4种常绿阔叶树(铁椎Castanopsis lamontii;曼青冈Cyclobalanopsis oxyodon;桂南木莲Manglietia chingii;银木荷Schima argentea)光合特性的季节性变化。

The results show that results with four methods are similar, the 5 wind-damaged slash in the restorable communities are divided into 3 formations by 5 investigation. They are Castanopsis carlesii formation, Gordonia acuminata and Cunninghamia lanceolata formation and Neosinocalamus affinis formation.

结果表明,4种分类结果基本相似,所调查的5个风灾迹地恢复群落样地分为小叶群系、四川大头茶+杉木群系和慈竹群系等3个群系。

Photosynthetic characteristics in leaves of Castanopsis hystrix saplings in Longyandong Forestry, Guangzhou, were studied during early summer and autumn under natural conditions by leaf gas exchange and chlorophyll fluorescence techniques.

用LI-6400便携式光合测定系统和PAM-2100便携式植物荧光分析仪分别在初夏和秋季测定了广州龙眼洞林场刺幼树叶片的气体交换和叶绿素a荧光参数。

A microcosm system was used in laboratory to study the decomposition of mixed foliar litters from Cunninghamia lanceolata and,either Michelia macclurei var.sublanea,Castanopsis hystrix or Schima superba to explore the possible interaction between various species litters during their decomposition.

采用缩微实验法,初步系统研究了杉木叶凋落物分别与火力楠、红和木荷 3个阔叶树种之一的叶凋落物两两混合分解的动态变化,以探明凋落物混合分解过程中可能存在的相互作用。

The paper takes Breakingfruit Chinkapin fibre and other wood fiber compound manufacturing MDF's Processing-parameter for research object. Use the diagonal intersection trial law designing the trial scheme. The focal point is studied the major Processing-parameter of Breakingfruit Chinkapin with other woods to manufacture MDF. And internal bond strength, modulus of rupture, modulus of elasticity, formaldehyde emission content, thickness expansion rate of water absorbing and density of MDF are analysed. From Variance, Range and other methods seek the better Processing-parameter.

本文以黎蒴材热磨纤维与其他树种热磨纤维复合制造MDF工艺为研究对象,采用正交试验法设计试验方案,并根据国家标准规定的测试方法对压制成的MDF的内结合强度、静曲强度、静曲弹性模量、甲醛释放量、吸水厚度膨胀率等多项性能进行分析,利用方差、极差等分析手段寻找合理的制造工艺参数。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。