速生树种

黎蒴（Castanopsisfiss）为优良的乡土速生树种。

Castanopsis fiss is an excellent indigenous fast-growing tree species .

速生树种集成材（Glulam）受弯构件结构性能研究速生树种胶合板弯曲弹性性能优化设计

Study on the Structural Performance of Poplar Glued-Laminated Beams ; Optimizing design of fast-growing woody species plywood bend elastic properties

速生树种胶合板弯曲弹性性能优化设计

Optimizing design of fast-growing woody species plywood bend elastic properties

发展速生树种定向培育工业用材林的研究

Study on development of fast growing species and directed cultivation of industrial timber stands

黎蒴栲和尾巨桉是中国南方两种比较具有代表性的速生树种。

Breakingfruit Chinkapin and eucalypt are the representational tree species in south of China .

速生树种（杨树）与微量元素的关系及产生的经济效果

Relationship Between Poplar And Microelement And Economy Effect

工程的核心是选择多功能速生树种。

The key of this project is to select multipurpose and fast growing trees and herbs .

相思树是我国南方一种对土壤适应性强，根瘤固氮的速生树种。

Acacia is a kind of fast growing wood that strongly fit for soil in south China .

试验结果表明：水杉、Ⅰ-69杨、Ⅰ-72杨是宜于制浆的优良的速生树种，可以考虑在造纸工业中使用。

Results indicate that the fossil tree , poplar 1-69 and poplar 1-72 are excellent fast-growing wood which merits consideration in its application to paper-making industry .

大力发展用速生树种制造高强度、高弹性、耐气候、耐室外四季变化的自然条件的结构胶合板，对我国具有现实意义。

It has great meaning to develop structural plywood with high strength , high flexibility , resistance to climate , and resistance to outdoor conditions with fast-growing tree species .

是世界三大速生树种之一，同时也是优良的林业经济植物，主要用于工业纸浆原料、人造板和提炼桉油。

It is both one of the three fast-growing species and an excellent raw economical plant for forestry , which is mainly used for industrial pulp , artificial board and refining eucalyptus oil .

这种木塑复合材的力学强度、体积稳定性均较素材有显著改善，是木材改性和提高速生树种材质的一种好方法。

The mechanical properties and dimensional stability of PWC are significantly improved in comparison with that of plain timber . It is indeed a good method for timber modification and improvement of wood quality for fast-growing species .

在林分改造和营林中适当增加阔叶速生树种，改善凋落物性质，对促进凋落物分解和养分周转、改善土壤养分状况、提高柏木人工林的生态和经济效益是很必要的。

It is necessary to introduce some fast-growth broadleaf woody species in managing pure artificial Cupressus forest to improve litter property , to speed up nutrient release , turnover and cycling , and to enhance economic benefits .

南抗杨和四季杨是近年来选育出的速生树种新品种，我们于2001年在攀西地区首次引种进行扦插和造林试验。

Nankang Poplar and evergreen poplar are new fast-growing tree species of new varieties selectively breeded out in recent years . In 2001 , we firstly introduced these varieties and carried on cutting and afforestation tests at Panxi District .

美国黑核桃主要木材物理力学性质与国产核桃、核桃楸以及北方常见的速生树种杨树、泡桐相比，木材材质好，但木材干缩性略差；

The physico-mechanical properties except shrinkage of wood of American black walnut is better than that of not only the English walnut and Manchurian walnut , but also poplar and paulownia wood that are fast-growing species mainly produced in North China .

落叶松是我国北方林区主要的造林速生树种之一，经过50多年的森林营建，落叶松人工林大部分已进入近熟林、成熟林阶段，已成为我国重要的用材林基地。

Larch is the primary fast growing tree species for forestation in north forest region of China . After 50 years forestation , the larch plantations have already became near-mature forest or mature forest and been the important commercial forest base now .

本课题以我国南方速生树种之一的杉木间伐材为对象，对炭化理论及其炭化物在环境保护中的应用进行了研究。

This paper attempts to do some researches on mechanism of carbonization and application of carbonized materials in environmental protection by using thinning wood of Chinese fir as raw materials , one of the rapidly growing trees in Southern area of China .

香樟、构树、悬铃木这些速生树种在20世纪80年代或更早以前建造的小区里出现的频率为100%，而在1998年后营建的小区中则更多地出现色叶树种、季相树种。

The occurrence rate of such fast-growing trees as Cinnamomum camphora , Broussonetia papyrifera , Platanus acerifolia planted in the living area built in 1980s or even earlier is 100 percent while the color-leaf trees and aspect trees are used widely in the residential regions built after 1998 .

桤木（（Alnus）作为速生用材树种和水土保持树种，在湖南省已进行大面积的推广种植。

Alnus species ( spp. ), which are used as fast-growing timber and water and soil conservation tree species , are widely cultivated in Hunan province .

厚朴属于早期速生型树种，树高、胸径和树皮生长高峰期分别为3～10a，4～12a和6～14a。

The high-speed periods of tree height , DBH and rind were 3 ~ 10 , 4 ~ 12 and 6 ~ 14 years respectively .

木荷是我国南方省区最重要的生物防火树种和优质速生用材树种。

Schima superba is the most important biological fire-resistance and good fast-growing timber wood species in southern China .

杨树是我国重要的速生用材树种之一，用途广泛。

Poplar is one of important timber species with fast-growing in China , and a wide range of uses .

而杨树具有生长快、是伊春地区速生用材树种之一。

But the poplar tree has grows quickly , is one of Yichun area fast-growing timber wood tree seeds .

它具有生长快，材质好，抗性强和适应性广等特点，是我国重要的速生用材树种。

It has fast growth , good material , strong resistance and wide adaptability , is an important fast-growing timber species .

桉树是优质速生丰产树种，在我省已广泛引种栽培，但低温成为限制其北移的主要因素。

Eucalyptus has the characters of fast growing and fertility , cultivated widely in Hunan Province , but low temperature is the primary factor to limit its northern cultivation .

橡胶树是一种速生经济树种，由于含有淀粉，糖类和蛋白质等物质，容易遭受霉菌和蓝变菌的侵害并发生变色使其降等。

Hevea brasiliensis is a type of economic trees . Rubberwood is rich of sugars , starch , andprotein ; as a result , it can be easily infected by mould and sapstain fungi .

采用速生灌木树种木豆的种子代替大豆制成豆胶用于压制胶合板，其胶合强度达到或超过GB984688的规定。

The glue made from seeds of pigeonpea-a fast-growing shrub was substituted for soybean glue in the study . The test results showed that the bond strength of the plywood reached or surpassed National standard GB 9846-88 .

泡桐是我国特有的速生用材树种之一，其生长迅速、轮伐期短，对林地土壤养分消耗快，而土壤养分是土壤肥力最重要的物质基础。

Paulownia is one of the most important fast-growing timber species in China . Paulownia forests consume a large number of soil nutrient because of rapid growth and short rotation . Soil nutrient is the most important material basis for soil fertility .

研究结果表明：（1）绿楠是比较速生的树种，地径、胸径、树高和材积的年生长都呈多峰态曲线；

The results indicated that : ( 1 ) Manglietia hainanensis , an indigenous timber tree species , grew quickly , and its annual increment of tree height , stem basal and breast height diameter , and tree volume had many peaks .

杉木是我国特有的优良速生用材树种，已有一千多年的栽培历史，因其易繁殖、生长快、材质优、产量高、好管理而深受群众的钟爱。

Chinese fir ( Cunninghamia lanceolata ( lamb . ) Hook ) is a native fast-growing timber species in China with the characteristics of easy to breeding , fast-growth , excellent timber quality and high productivity , and has been planted and cultivated for more than 1000 years .