水松葉 的英文怎麼說
中文拼音 [shuǐsōngyè]
水松葉
英文
chinese deciduous cypress leaf-
Abies yuanbaoshanensis is a guangxi endemic and endangered evergreen coniferous arbor, listed in the red data book of plant in p. r. c, being one of the stated - proteced first - class rare and endangered plants. it is distributed only in yuanbaoshan mountain in northern guangxi
元寶山冷杉是松科冷杉屬的常綠針葉喬木,是20世紀70年代發現的新種,它是世界上僅產于廣西融水縣北部元寶山的殘遺瀕危種,已被列為一級保護的瀕危植物。Soil eoc1 under broad - leaved stand increased gradually with temperature and reached the maximun in july and september. a more flat curve of soil eoc1 was observed in masson pine stand with a peak in july
從0一20厘米至60一80厘米,整個剖面上各層土壤水溶性有機碳占土壤總有機碳比率均是杉木林最高,闊葉林次之,馬尾松林最低。Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis
摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。Corythosaurus was a plant eater. it ate pine needles, seeds, fruit, twigs and magnolia leaves
冠龍是草食動物。它吃很多種植物,比如松樹葉,種子,水果,嫩樹枝,還有木蘭葉。A very small tongue - shaped flap of tissue inserted on the upper surface of the leaves ( microsporophylls ) and sporophylls of certain clubmosses ( e. g. selaginella ) and quillworts ( isoetes )
某些石松門(如卷柏)和水韭類植物(水韭屬)的孢子葉上具有的一種極小的舌狀結構, 。Abstract : soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and erman ' s birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in erman ' s birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in erman ' s birch forest. because the forests of broad - leaved / korean pine, dark coniferous and erman ' s birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil
文摘:為了研究土壤溫度和土壤含水量對闊葉紅松林(山地暗棕壤) 、雲冷杉暗針葉林(山地棕針葉林土壤)和岳樺林(生草森林土)的土壤呼吸的影響,於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的含水量,將土壤含水量分為9 , 、 21 、 30 、 37和43 5個等級,土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24小時.闊葉紅松林土壤在0 ( 35范圍內,土壤呼吸速率與溫度呈正相關.在一定的含水量范圍內( 21 ( 37 ) ,土壤呼吸隨含水量的增加而升高,當含水量超出該范圍,土壤呼吸速率則隨含水量的變化而降低.土壤溫度和水分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異,大小順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的最佳條件是土壤溫度35 ,含水量37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的最佳條件是25 , 21 ;岳樺林土壤呼吸作用的最佳條件是35 ,含水量37 .但是,由於長白山闊葉紅松林,雲冷杉林和岳樺林處在不同的海拔帶上,同期不同森林類型土壤溫度各不相同,相差4 ~ 5 ,所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率,山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25Soil incubation experiments were conducted in lab to delineate the effect of soil temperature and soil water content on soil respirations in broad - leaved / korean pine forest ( mountain dark brown forest soil ), dark coniferous forest ( mountain brown coniferous forest soil ) and ermans birch forest ( mountain soddy forest soil ) in changbai mountain in september 2001. the soil water content was adjusted to five different levels ( 9, 21, 30, 37 and 43 ) by adding certain amount of water into the soil cylinders, and the soil sample was incubated at 0, 5, 15, 25 and 35 for 24 h the results indicated that in broad - leaved / korean pine forest the soil respiration rate was positively correlated to soil temperature from 0 to 35. soil respiration rate increased with increase of soil water content within the limits of 21 to 37, while it decreased with soil water content when water content was over the range. the result suggested the interactive effects of temperature and water content on soil respiration. there were significant differences in soil respiration among the various forest types. the soil respiration rate was highest in broad - leaved / korean pine forest, middle in ermans birch forest and the lowest in dark coniferous forest. the optimal soil temperature and soil water content for soil respiration was 35 and 37 in broad - leaved / korean pine forest, 25 and 21 in dark coniferous forest, and 35 and 37 in ermans birch forest. because the forests of broad - leaved / korean pine, dark coniferous and ermans birch are distributed at different altitudes, the soil temperature had 4 - 5 variation in different forest types during the same period. thus, the soil respiration rates measured in brown pine mountain soil were lower than those in dark brown forest and those measured in mountain grass forest soil were higher than those in brown pine mountain soil
為了研究土壤溫度和土壤含水量對闊葉紅松林(山地暗棕壤) 、雲冷杉暗針葉林(山地棕針葉林土壤)和岳樺林(生草森林土)的土壤呼吸的影響,於2001年9月在長白山進行了土壤實驗.利用增加土壤樣柱的含水量,將土壤含水量分為9 , 、 21 、 30 、 37和43 5個等級,土壤樣品分別在0 、 5 、 15 、 25和35的溫度下保持24小時.闊葉紅松林土壤在0 ( 35范圍內,土壤呼吸速率與溫度呈正相關.在一定的含水量范圍內( 21 ( 37 ) ,土壤呼吸隨含水量的增加而升高,當含水量超出該范圍,土壤呼吸速率則隨含水量的變化而降低.土壤溫度和水分對土壤呼吸作用存在明顯的交互作用.不同森林類型土壤呼吸作用強弱存在顯著差異,大小順序為闊葉紅松林>岳樺林>雲冷杉暗針葉林.紅松闊葉林土壤呼吸作用的最佳條件是土壤溫度35 ,含水量37 ;雲冷杉暗針葉林下的山地棕色針葉土壤呼吸作用的最佳條件是25 , 21 ;岳樺林土壤呼吸作用的最佳條件是35 ,含水量37 .但是,由於長白山闊葉紅松林,雲冷杉林和岳樺林處在不同的海拔帶上,同期不同森林類型土壤溫度各不相同,相差4 ~ 5 ,所以野外所測的同期的山地棕色針葉林土呼吸速率應低於暗棕色森林土呼吸速率,山地生草森林土呼吸速率應高於山地棕色針葉林土的呼吸速率.圖2表1參25Before assembling, inspect whether the fasteners are tight and make sure there are no foreign bodies blocked in the runner to avoid the damage to pump impeller and casing
安裝前應檢查機組緊固件有無松動現象,泵體流道內有無異物堵塞,以免水泵運行時損壞葉輪和泵體。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。Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased
結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋度的急劇下降,林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢,而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密度及郁閉度下降,林下植被蓋度逐步得到恢復,根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢,而根際與非根際土壤全磷含量、土壤酸度(特別是交換性鋁)和容重呈增加趨勢。The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var
本文通過固定和典型樣地,對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析,深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系,並提出了林地土壤質量調控措施。Density structure and growth dynamics of larix principis - rupprechtii stand for water resource conservation in wutai mountain region in shanxi province
五臺山華北落葉松水源涵養林密度結構與生長動態Forestland evapotranspiration and water balance of picea asperata mast. and larix gmeini rupr mixed stand
青海雲杉和華北落葉松混交林林地蒸散和水量平衡研究Effect of salicylic acid on membrane lipid peroxidation in chinese pine under water strees
水分脅迫下水楊酸對油松幼苗葉片膜脂過氧化作用的影響Each season here has its beauty : bright flowers in full bloom covering the green slopes in spring, spectacular summer thunderstorms which are rarely seen elsewhere, blue rivers running across the mountains overlaid with red maple leaves in fall, and snow - capped mountains and frosted pine trees in winter that stage a quiet solemn spectacle of particular interest. on a clear day one can see the peaks rising one after another. when the sky is overcast, the horizon disappears into a sea of clouds. mount tai is most famous for its spectacular sunrise and sunset. its landsacpe and numerous historical sites have inspired many great classics of ancient writers, scholars and calligraphers. mount tai has long been the preferred gathering place of artists and poets
泰山的每個季節都有獨特的魅力.春天,綠茵茵的山坡上,爭奇斗艷的花朵到處可見.夏天,泰山的雷暴雨堪稱奇觀. .秋天,楓樹葉漫山遍野,蔚藍色的河水穿流而行.冬天,雪蓋群峰松披霜,景觀素雅悲壯,別有一番情趣.喜逢艷陽日,極目遠眺,重巒疊嶂,盡收眼底.但遇天陰時,環顧四周,蒼茫大地,盡入雲海.泰山的日出與日落,聞名遐邇.壯觀自然風景以及不可計數的歷史名勝,激發了古代文人書法家,為之舞文弄墨,創作了無數經典佳作.泰山歷來是畫家與詩人鐘情的聚集地Each season has its beauty : bright flowers in full bloom covering the green slopes in spring, spectacular summer thunderstorms which are rarely seen elsewhere, blue rivers running across the mountains overlaid with red maple leaves in fall, and snow - capped mountains and frosted pine trees in winter that stage a quiet grandeur spectacle of particular interest
泰山的每個季節都有獨特的魅力.春天,綠茵茵的山坡上,爭奇斗艷的花朵到處可見.夏天,泰山的雷暴雨堪稱奇觀.秋天,楓樹葉滿山遍野,蔚藍色的河水穿流而行.冬天,雪蓋群峰松披霜,景觀素雅悲壯,別有一番情趣Carved from work, days of independence blue jade carvings into a cliff of humans, the foliage is more lifelike sculpture, river rapids and the boat downstream, the figure depicts the age lifelike, a relaxed mood on the heart
作品精雕而成,天藍色的獨玉巧雕成一株崖上的青松,枝葉的雕刻更顯得逼真,江中急流的小舟順水而下,歲人物的刻畫栩栩如生,一種意境悠然上心頭.充滿了生機勃勃的景象。The biomass of different organs and biomass distribution of chinese - fir treated with aqueous extracts of the cunninghamia lanceolata, schima superba, castanopsis fargesii and pinus massoniana under different concentrations after six years was measured
摘要分別用杉木、木荷、絲栗栲、馬尾松枝葉不同濃度水浸液處理杉木6年後測定其各器官的生物量及其分配。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。The histological descriptions of p. armandi franch in chinese herbal compendium ( zhong hua ben cao ) are different form our observations and the descriptions in chinese flora and sichuan flora in the aspects of the shape of the transverse section and the number of vascular bundles. by means of gc - ms, qualitative and quantitative analysis of the essential oils obtained from different species, different production areas and different extracting methods were carried out. the chemical components and their contents of the essential oils vary by the species, production area and extracting method
通過對不同品種(馬尾松、雲南松、華山松) 、馬尾松不同產地(萬源、夾江、資中、瀘州、威遠、康定) 、不同提取方法(水蒸氣蒸餾法、超臨界提取法)的松葉揮發油成分的gc - ms分析比較,表明揮發油成分的組成和含量有差異,且品種、產地、提取工藝均對松葉的揮發油成分有影響。分享友人