落葉松木 的英文怎麼說
中文拼音 [làyèsōngmù]
落葉松木
英文
larch- 落 : 落名詞[方言] (北方對蓮花落的俗稱) a kind of folk song
- 松 : Ⅰ名詞1 (松樹) pine 2 (絨狀或碎末狀食品) dried meat floss; dried minced meat 3 (姓氏) a surn...
- 木 : Ⅰ名詞1 (樹木) tree 2 (木頭) timber; wood 3 (棺材) coffin 4 (姓氏) a surname Ⅱ形容詞1 (木...
- 落葉 : 1 (落下的樹葉) fallen leaves2 [植物學] (每年落葉的) deciduous leaf3 (落葉期) defoliation落...
- 松木 : pine松木板 deals; deal board
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Qualitative classification of softwood round timber - larches and douglas firs
圓軟木的定性分類.落葉松和樅木Qualitative classification of softwood round timber. larches and douglas firs
軟木圓材的定性分類.落葉松木和黃杉木Qualitative classification of softwood round timber - part 3 : larches and douglas firs ; german version env 1927 - 3 : 1998
軟圓木質量分級.第3部分:落葉松和花旗松Sawn timber - appearance grading of softwoods - part 1 : european spruces, firs, pines, douglas fir and larches
鋸材.軟木的外觀分級.第1部分:歐洲雲杉冷杉松木黃杉和落葉松Hongxing forestry is rich in natural resources, it has 15. 5million cubic meters of active timber reserves, in addition, it has more than one hundred kinds of trees such as korean pine, larch dragon spruce, fir, birch, oak and manchurian ash, etc, gold and iron, etc, many kinds of metal mines, such as abound in free burning coal, marble and limestone deposits ; hundreds of wild medicine materials with developing prosperity, such as acanthopanax, fruit of chinese magnoliavine and dangshen, etc
紅星區自然資源相當豐富,活立木總蓄積1550萬立方米,有紅松、落葉松、雲冷杉、樺木、曲柳等百余種樹木;黃金、鐵等多種金屬礦,長焰煤炭、大理石、石灰石等儲量豐富,礦質優良;刺五加、五味子、黨參等幾百種野生藥材頗有開發前景。Due to different exploitation intensity and ecological restoration measures used in hongchiba region, wuxi county, the vegetation have been formed a series of succession stages, i. e. herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest
巫溪縣紅池壩地區由於歷史上開發強度和生態恢復措施的不同,使當地植被形成了從草本群落灌木灌叢林灌過渡帶日本落葉松( larixdaempferi )針葉純林華山松( pinusarmandii )針闊葉混交林天然闊葉落葉林的一系列生態恢復演替階段。Regulations governing the use of timber in structure. visual classification for the use of the main coniferous and deciduous wood types in structures
結構用木材使用的控制規則.結構用主要松柏類和落葉類木材使用的目視分類Niche breadth of four dominate populations at three age groups was studied by the methods of resource utilization ability and ratio. the result shows that : symplocos sectchuanensis is a typical gengeration species whi ch resource utilization ability is strong, and distribution is wide. meanwhile, go rdonia acuminata, castanopsis fargesis and pinus massoniana specialized at some d egree in resource utilizationm, their distribution is limited. especially, the ju venile of pinus massoniana specialized outstandingly. with the devlopment of pinu s massoniana, which is the pioneer population in mt. jinyun, the environment become s unfit to it ' s juvenile. it turns to needle and evergreen broad - leaves mixed fo r est. because the tolerance toward shading of gordonia acuminata is lower than tha t of castanopsis fargesis, gordonia acuminata will be substituted by castanopsis fargesis and other evergreen broad - leaves species are the edificators. the popul ation ' s ability of resource utilization is the inner factor of population distri bution and community succession. the distribution of light and the concentrate of nutrient ( such as n ) is the outer factors of community succession
對縉雲山森林植被的4個優勢種群3個年齡級生態位寬度進行了研究.結果表明,川灰木利用資源的能力最強、分佈廣,為典型的泛化種.大頭茶、栲樹、馬尾松對資源的利用在一定程度上特化,分佈上有一定的局限性.馬尾松的中齡組與幼齡組特化現象十分顯著.縉雲山森林植被的先鋒種馬尾松的發展,導致環境的改變不適于其幼齡個體的生長,群落演替到針闊葉混交林階段,最後發展為以栲樹等為建群種的常綠闊葉林.種群的資源利用能力,是種群分佈與群落演替的內在原因,光因子和營養元素(如n )是群落演替的主要外部動力It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands
摘要在野外調查、實測的基礎上,採用因子分析、系統聚類分析的方法,根據土壤層水土保持功能的強弱,將黃浦江源區主要植被類型分為4類:落闊林、灌木林為第一類,表現出很強的水土保持功能;茶園、草地、松林為第二類,土壤水土保持功能較強;毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性,但滲透性能並不突出,土壤貯水能力也一般,水土保持功能中等,為第三類;裸露地水土保持性能很差,單獨作為第四類,其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。Studies on physical and chemical properties of lignosulfonate from dahurian larch bark residue after extraction
落葉松栲膠廢渣木質素磺酸鹽理化性能的研究Stand development during the 12 years following thinning was characterized by high mortality in the unthinned stands, which occurred primarily for larch and broadleaved tree species
伐后對照樣地表現為較高的枯損,枯死木主要是落葉松和闊葉樹。Seed zones of chinese forest trees - seed zones of larix gmelini rupr
中國林木種子區興安落葉松種子區Deciduous cypress trees come from the southern united states, growing to 45 metres in height with a girth to 3. 5
落羽松是一種由美國南部傳入的落葉喬木,生長高達45米而具有3 . 5米的樹圍。The result showed that the biomass of different organs of chinese - fir treated with aqueous extracts of schima superba, castanopsis fargesii and pinus massoniana after six years were increased in some degree, the higher the concentration was, the higher the positive effect was, and low concentration had positive effect on the bark, branch and litter biomass distribution, high concentration had positive effect on the leaf, root and stem biomass distribution ; that the biomass of chinese - fir treated with cunninghamia lanceolata after six years were decreased, the higher the concentration was, the higher the inhibited effect was, and low concentration had positive effect on the leaf, bark, root, branch and stem biomass distribution, high concentration had positive effect on the litter biomass distribution
結果表明絲栗栲、馬尾松、木荷水浸液處理杉木6年後,各器官的生物量有不同程度的提高,隨著濃度加大其促進作用增強,在低濃度時有利於皮、枝和枯枝落葉生物量分配率,高濃度時有利於葉、根、乾的生物量分配率;杉木水浸液處理杉木6年後,各器官生物量有不同程度的降低,隨著濃度加大其抑制作用增強,在低濃度時有利於葉、皮、根、枝和乾等各器官生物量分配率,高濃度時有利於枯枝落葉生物量分配率。Experimental plots were established for thinning effects on stand and tree growth, tree species composition, species diversity and soil factors etc. in the mixed larch - spruce - fir stands which originated from planted larch pure forest by observations for 12 years after thinning
摘要以15塊人工落葉松純林演化后形成的落葉松雲冷杉混交林為對象,間伐后12年觀測結果,研究間伐對林分和樹木生長、樹種組成、物種多樣性及土壤等因子的影響。She was aware of the rapping of a woodpecker, then of the wind, soft and eerie through the larches
她聽見落葉松林里一隻啄木鳥的聲音,然後是一陣輕柔的神秘的風聲。Effects of intensive microwave irradiation on the permeability of larch wood
高強度微波輻射對落葉松木材滲透性的影響Seed zones of chinese forest trees - seed zones of larix principis - rupprechtii mayr
中國林木種子區華北落葉松種子區Seed zones of chinese forest trees - seed zones of larix olgensis henry
中國林木種子區長白落葉松種子區分享友人