生物量密度 的英文怎麼說

中文拼音 [shēngwùliángmìdù]
生物量密度 英文
biomass density
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 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
  • 生物 : living things; living beings; organisms; bios （pl bioi bioses）; biont; thing; life生物材料 biol...
  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. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  3. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  4. Taxonomic groups of zoobenthos were significantly correlated with biomass of submersed aquatic macrophytes, depths, secchi disk transparencies, total phosphorus and total nitrogen contents

    底棲動物各個類群的現存量與水草生物量、水深、透明度、總磷和總氮的關系均較密切。
  5. 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。
  6. The system could move forwards at the speed of 1 m / a or the patches shifted their sites each other, which led to the clone population and maintained its stable state in even large area

    同時，林緣擴散種群具有密度大、生產力高等特徵，但其生物量積累和自然稀疏過程與有性植物種群具有相同的規律。
  7. After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone

    藥物噴灑后不同時段調查結果表明：試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯，其隨時間變化的趨勢亦呈現總體一致。
  8. Based upon the analysis of the data obtained during the survey, it can be concluded that : 1 ) the number of biomass of macrobenthos in the yellow sea and the east china sea in autuma is higher than that in spring, while the number of density of macrobenthos in autumn is lower than that in spring ; 2 ) the number of biomass of macrobenthos in the yellow sea is higher than that in the east china sea ; 3 ) the number of species in the yellow sea is lower than that in the east china sea ; 4 ) one of the characteristics of distribution of macrobenthos in the east china sea is that the species richness increased from the coastal waters to the offshore deep waters, from the north to the south. 5 ) the species composition in the deeper part occupied by the cold water mass of the yellow sea is more stable than that in the coastal part of the yellow sea in the late 40 ~ 50 years

    通過以上幾方面的分析，結果表明： 1 ）黃東海調查海域的秋季總生物量均高於春季，總棲息密度則低於早春季； 2 ）黃東海春季生物多樣性指數高於秋季； 3 ）南黃海、東海的水文特點顯著不同：東海底溫顯著高於南黃海底溫，東海底鹽亦高於南黃海底鹽； 4 ）南黃海春秋季生物量分佈無一致規律，東海春秋季生物量除長江口外基本上自近岸向外海逐步降低； 5 ）東海大陸架大型底棲動物的種類組成較南黃海更豐富； 6 ）東海大型底棲動物的分佈特點之一為：種類數由北向南、由近岸（西部）向外海（東部）逐漸增多； 7 ）在黃海冷水團控制的海域，其底棲動物種類組成較近岸海域穩定； 8 ）幾個生物多樣性指數各有側重，都能較好地反映底棲動物的分佈特點
  9. This way, the biofuel james dumesic devised has 40 % higher energy density than ethanol, repels water and can be made relatively speedily

    這樣生成的生物能源要比以前使用的酒精的能量密度高40 % ，而且不溶於水，能夠很快地被製造。
  10. Especially, the effects of t. mongolicum and t. gambasum circles on legmus chinensis are obvious, the dry above ground biomass, height, density and weight of individual plant on the circles are higher than those of inside, outside the circles, the effects on carax korshinky and other plants are not obvious

    其中對羊草的影響較顯著，圈上羊草的生物量、株高、密度及單株重均明顯高於圈內、圈外；對黃囊苔草和其它植物的影響不明顯。
  11. It was found that high transplantation efficiency and stable production can be achieved by improving egg fertilization, and egg stocking pattern, by high density of fertilized eggs, and by fertilization and feeding

    結果表明，通過控制受精卵的質量，選擇適宜的投卵方式，保持比較高的受精卵投放密度，並在形成較大種群時進行施肥，增加餌料生物量等方法，可提高移植增殖效果，獲得持續穩定的高產。
  12. Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf

    本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗（ 0 60d ）過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化；並且在野外自然條件下，跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中（ 1年）形態、生物量、含水量、光合蒸騰特性等的變化。
  13. The system considers synthetically the influence of estuarine ecosystem on the whole basin and human life from aspects of influence on pacts of the environment, biology and human of ecosystem respectively, and adopts the indices of catchment area, population density, inflow amount, period of river flow cut - off, water quality, biodiversity index number and biomass to evaluate the state of estuarine ecosystem

    指標體系綜合考慮河口生態系統對全流域及入類生活的影響，分別從生態系統的環境部分、生物部分以及對人類的影響等3方面，採用集水面積、人口密度、入海量、河口斷流時間、水質、生物多樣性指數和生物量等7項指標對河口生態系統狀況進行評價。
  14. Using the cluster analysis method and studying 16 sampling plots of shrub grassland where bothriochloa ischaemum is the dominant species, and the plots ' grass frequency, grass coverage, density, height, and biomass, we graded the plots into five grazing stages : light, proper, moderate, serious, and extreme

    摘要在對放牧利用下的白羊草灌叢草地頻度、蓋度、密度、高度、生物量等數量特徵調查基礎上，運用系統聚類分析方法，可戒分為輕放、適牧、中牧、重牧和極牧五個階段。
  15. Seed collection should begin when seed on the most top of the spike sloughing, and go on for 3 days. biology population of this plant was research on clone and modular level, mainly discussed how density affect the population size and biomass, as well as the " - 3 / 2 self thinning " and the primary productions under different densities

    從無性系構件和個體水平上進行了野大麥種群生物學方面的研究。主要討論了密度對種群數量和生物量的影響，對「 - 3 2 」自疏法則進行了討論，並從草地生產角度比較了不同密度種植區的草地凈第一性生產力。
  16. Piezoelectric sensing technique has been applied to many fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum. piezoelectric immunosensors possess high selectivity provided by antibodies or antigens and sensitivity response directly to the mass change of proteins. immobilization technologies of biomolecules are of paramount importance in order to preserve their biological activity

    壓電免疫傳感技術利用壓電晶體與抗原抗體特異性免疫反應結合的特徵，通常在壓電石英晶體表面先固定抗原（抗體） ，響應溶液中抗體（抗原）引起的質量、密度和粘度等性質的變化，它兼具有壓電質量響應的高靈敏性和生物化學反應的高特異性。
  17. To investigate the relationship between optical density ( od ) and the biomass of phaeocystis globosa. p. globosa was used under laboratory conditions to study the relationship between the cell density and its related od

    在實驗室中測定棕囊藻細胞密度及光密度（ od值）並進行直線回歸分析，同時採用光密度值來估算棕囊藻的生物量。
  18. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  19. Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively

    結果表明：添加劑為納米coo的電極的活化性能最好，納米coo相對于普通coo能更加均勻的分佈在鎳電極內，也更易溶解、反應生成coooh導電網路，從而加快了鎳電極的活化進程；添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量，納米添加劑能有效提高鎳正極活性物質的放電效率和利用率；納米添加劑可以有效地提高鎳正極片的容量密度，其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ，質量容量密度達到224mah g ；添加cnts的極片體積容量密度達到778mah cm ~ 3 ，質量容量密度達到223mah g 。
  20. The results show that : in the 2 - 4m of road buffer zones and 0 - 10m of infrastrctuer buffer zones, the density of dominant species and biomass will decrease for herbs, and abundance and proportion will get bigger than other exents ( inner species increasing owing to the outer species invading ) ; in the shrub disturbence extent, there exists an inverse relationship between the influence degrees and buffer zones ; in the 40m of infrastructure buffer zones, there has the biggest influence on the trees, however, the effect of road buffer zones is unobvious, only a small change on the morphology

    結果表明，草本類，游道影響源干擾區在2 4m ，設施類在0 10m ，原有優勢種密度減小，物種豐度較其它干擾范圍內有所增加（外部種入侵導致本地植物的種類數目增多） ，均勻度也增大，生物量減少；灌木類，在干擾范圍內，影響程度與影響源的距離成負相關關系；喬木類，接近設施類40m處影響最大，游道類影響源則影響效果不明顯，只有形態上略有變化。
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