植物密度 的英文怎麼說

中文拼音 [zhíwùmìdù]
植物密度 英文
plant density
  • 植 : Ⅰ動詞1. （栽種） plant; grow; cultivate 2. （樹立） establish; set up Ⅱ名詞（姓氏） a surname
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 植物 : plant; flora; botany; stray; greenery; phyton; phytum; phyta; phyt ; phyto ; phyte : 草本植物 her...
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究，結果表明：不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢；油篙新梢的年生長動態呈s型曲線，檸條新梢春季生長速度較快， 7月份以後生長速度緩慢或基本停止生長；檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型， 4種配置方式下共有8種1年生植物人侵，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. Herbs bourgeoned with a high density and a low coverage in early july. with the coming of rain season, the velocity of growth in herbs enhanced with the higher coverage in august. in september, the growth of herbs stopped and the density and coverage of herbs descended

    草本植物在7月初萌發，平均密度大，但植株較小，蓋度也小;隨著降雨量的增加，在8月份一一草本植物的快速生長期，草本植株個體長大，平均蓋度達最大值，但是密度卻有所下降;到了9月中下旬基本成熟並逐漸死亡，蓋度和密度均下降。
  3. The factors that in fluences the nest - site selection of great bustard mainly are the hight and density of vegetation

    大鴇巢址選擇的影響因於主要為植物高度和植被密度。
  4. The ability to move air through plant canopies is related directly to the tightness of the green house.

    空氣通過植物冠層移動的能力直接與溫室的密閉程度有關。
  5. In other four species, gentiana przewalskii, aconium tanguticum, pedicularis kansuensis and delphinium monanthum, the whole starch grains were light in

    在其餘4種高山植物中，澱粉粒的電子密度均較低。
  6. The results showed that the density and coverage of shrubs growing in the intervale of sand fixing region were biggest, but those of herbs were smallest. in contrast, the density and coverage of shrubs growing in the lee slope of dune were smallest, but those of herbs were biggest

    不同地形條件下，丘間低地灌木植物密度、蓋度最大，草本植物的密度和蓋度卻最小;背風坡灌木植物密度、蓋度最小，而草本植物的密度、蓋度卻最大。
  7. The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands

    大鴇是雜食性鳥類，但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地，植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素；在非火燒地，植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。
  8. The animal experiment is carried out in the first hospital of shanghai through renovating the injured nerve of the rats. four projects are used in this experiment : the conduits coated with pgla, the conduits coated with chitosan, the conduits coated with chitosan adding bridge - yarn and self - nerve migration. after 12 weeks, we observe and analyze the thickness of marrow theca, the diameter of axone, the density of regeneration nerve and then do electromyography and statistics analyzing, finding out that the third conduits have the best recovering effects on the injured nerve, close to the self - nerve migration

    因此我們選用加筋結構神經導管進行動物實驗。本課題動物實驗在上海市第一人民醫院進行，分別通過加筋結構塗pgla導管、加筋結構塗甲殼胺導管、加筋結構塗甲殼胺並加載縫芯線導管和自體神經移植四種方案對大鼠進行損傷神經修復實驗。在術后12周對四種方案再生神經的髓鞘厚度、軸突直徑、數量密度進行觀察分析，並進行肌電圖檢測和統計學分析。
  9. The great bustard selects the areas with abundant plant species. higher vegetative cover score. smaller proportion of bare area and taller plants to display on postfire grasslands ; the important factors that influence the great bustard to selection display fields are the proportion of hay, stipa baicalensis density and the thickness of hay on unburing grassland

    在火燒地，大鴇會選擇植物種類數較多、蓋度較大、裸地比例較小及植株相對較高處進行求偶炫耀；在非火燒地，枯草比例、貝加爾針茅密度及枯草厚度是影響其求偶場選擇的重要因素。
  10. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。
  11. 5. the injury degree of so2 on plant is a funition of the exposure time and so2 concentration. the injury critical concentration depends on the exposure time, and the time length is closely relevant to so2 concentration

    植物受so _ 2的傷害程度是暴露時間和so _ 2濃度的函數，其中傷害的臨界濃度取決于暴露時間，而其時間的長短與so _ 2濃度密切相關。
  12. The habitats for moving about of great bustard are hillocks on grassland. and they prefer to move about on the valleies of grassland during their breeding season. there are 4 main vegetation characteristic factors that determine the nest - site selection, the factors are the vegetation canopy, vegetation density, food and the height of plant. the great bustard selects the areas with higher vegetation canopy, vegetation density, plant species and insect quantity. most height of plants are below 20cm, but we also found they move about in tall grass occasionally

    大鴇繁殖期活動棲息地為波狀起伏的草原漫崗地，多喜歡活動在海拔為170 300m左右，四周高、中間凹的漫崗凹地中。決定大鴇繁殖期棲息地選擇的主要植被特徵因子共有4個，分別為植被蓋度因子、植被密度因子、食物因子和植物高度因子。大鴇多選擇在植被蓋度和密度較大、植物種類和昆蟲數量較多及多數植物高度在20cm以下，但又不乏高草的地方活動。
  13. Plant population and plant vigor decrease rapidly after the first harvesting cycle

    第一輪收獲后植物密度和長勢很快下降。
  14. Only the water at jiekou had been eutrophic. the result of biological assessment was that the average density of phytoplankton at all the sampling spots was more than 1, 000, 000 per litre, indicating that the lake was eutrophic going by the population density. but this density of phytoplankton was higher than that in similar lakes at the same pollution level

    生物評價結果認為，千島湖浮遊藻類平均密度較同類營養水平的淡水水體高，其所有取樣點浮遊藻類平均密度都10 ~ 6個? l ，國內外一般認為當浮游植物平均密度10 ~ 6個? l時，其已經達到富營養化水平，因此單從浮游植物密度來看，可以認為千島湖已達到水體富營養化。
  15. But the activity of roots of per plant was lowed by scc excluding the activity of roots of all plant per area was raised

    對植株密度、生物量、葉綠素含量及根系活力均有明顯提高。
  16. According to the ratio of no # + - n / z n ( 85. 5 % ), species of pyrrophyta could not be the predominant species of yundang lagoon

    在浮游植物密度很高的季節，藻類個體死亡釋放有機物也是影響湖水中有機物質濃度的重要因素。
  17. The average density and biomass of zooplankton were 1391. 63 ind. / l and 2. 27 mg / l, respectively. most of the predominant species are indicators of eutrophication

    0xl夕cen口ml ;隨水體中n 、 p濃度的增加而增加，隨浮游植物密度的上升而下降，與浮遊動物密度的變化趨勢相反。
  18. In plant - dense habitats, phalanx species with higher ramet density may prevent establishment of other species by seedling and / or vegetative propagules. in a community, the occurrence of monodominant patches of clonal species may lead to a lower species diversity

    在高植物密度生境中，高度密集的密集型克隆分株，阻止其它物種的定居，容易形成局部壟斷的格局，從而降低群落物種多樣性。
  19. The density and coverage of shrubs in vegetation had a negative correlation with the fixing - sand time, but those of herbs had a positive correlation

    灌木植物的密度和覆蓋度與沙地固定時間呈負相關;草本植物密度和覆蓋度與人工植被沙地固定時間呈正相關。
  20. The velocities of growth in shrubs were different in different sand fixing region. the growth of plants in the sand fixing region with a shorter time were faster than that with a longer time. this maybe directly resulted in the difference of the density and coverage of shrubs

    不同年代固沙區灌木植物的生長速度各不相同，沙地固定時一間短的樣地內灌木植物的生長較快，這可能直接導致不同年代固沙區灌木植物密度和蓋度的差異。
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