biomass density 中文意思是什麼
biomass density
解釋
生物量密度-
A total of 543 species of macrobenthos were collected. the specie - number of polychaeta is 147 species, mollusca 182 species, crustacea 144 species, and echinodermata 70 species. the distribution of species of macrobenthos, their biomass and density, and biodiversity indices were described and discussed
除少數種類待鑒定外，兩次調查共發現四大類群底棲動物543種，其中多毛類39科147種，軟體動物56科182種，甲殼類41科144種，棘皮動物21科70種。 -
The density with the biodiversity increasing shows " m " model. ( 3 ) the correlation analysis shows : elevation, slope, development stage and biomass are main factors which affect the biodiversity pattern in the research region. the biodiversity of the quercus aliena var. acutesrata community shows the patterns with the elevation and slope affecting : on sunny slope, the species diversity increases with the elevation increasing below the attitude of 1640m and its climax is at this attitude ( the diversity index h = 1. 68 ), upward this point, the diversity index descends slowly. the evenness shows ascend trend with the elevation upward, its climax point at 1800m ( the evenness index jsw = 0. 78 ), then descending after this point
（ 5 ）通過分析，銳齒棟群落生物量與生物多樣性呈現如下關系:在海拔1500一170枷范圍內，銳齒棟群落生物量與物種多樣性之間呈單峰曲線關系;在海拔1700一1900m范圍內，生物量與物種多樣性之間呈不明顯的波動關系;在海拔1900一2100m范圍內，生物量隨物種多樣性的增加而增大，通過對不同高程內生物量與物種多樣性分析發現，隨著海拔的上升，最大生物量對應的物種多樣性略有增加趨勢;在相同海拔和坡向條件下，生物量與物種多樣性之間也呈典型的單峰曲線關系;群落凈生產力與物種多樣性之間總體上也呈單峰曲線關系。 -
Effect of pruning on light density, yield and biomass of crops in poplar - crop intercropping system
國外混農林業系統中林木與農作物的相互關系研究進展 -
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。 -
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 -
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。 -
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。 -
In it, studies are carried out such as the combustion theory analysis of biomass briquetting, equipment design, thermal performance test, air flow field test, density field test in the hearth, temperature field test, the dreg characteristics, main design parameters and technological and economic evaluation, and so on. the author has gained all kinds of indexes of the equipment and the changing laws of air flow field, temperature field, density field, dreg and main design parameters. this will lay theoretical foundation on design, operation and technology improvement, meanwhile, this will offer actual guidance for development of equipment
本文通過對「生物質成型燃料燃燒設備設計」 、 「生物質成型燃料燃燒設備熱性能試驗」 、 「生物質成型燃料燃燒設備空氣流動場試驗」 、 「生物質成型燃料燃燒設備溫度場試驗」 、 「生物質成型燃料燃燒設備爐膛內氣體濃度場試驗」 、 「生物質成型燃料燃燒設備結渣特性試驗」 、 「生物質成型燃料燃燒設備主要設計參數確定試驗」及「生物質成型燃料燃燒設備技術經濟評價」等方面的系統研究，獲得了生物質成型燃料燃燒設備各項性能指標及燃燒空氣流動場、溫度場、濃度場、結渣性能、主要設計參數變化規律。 -
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。 -
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。 -
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。 -
Phytoplankton was dominated by diatom and blue - green algae according to density and by diatom in light of biomass
利用pfu採集周叢原生動物60種，一半以上是耐有機污染的指示種。 -
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。 -
This paper summarized the studies on biomass production, biomass growth models, biomass measurement, biomass and forest density, as well as carbon storage of poplars in china in recent 20 years
摘要本文總結了中國近20年來有關楊樹生物量產量、生物量增長模型、生物量測定、生物量與林分密度，以及楊樹碳儲量方面的研究進展。 -
An optical density method for determination of microalgal biomass
光密度法測定微藻生物量 -
Habitat changing and its effect on birds were analyzed also. temmporal variation of density, biomass and ash free biomass of macrobenthic and at quanzhou and yunxiao mangrove areas was analyzed. the correlation between macrobenthic and waterbirds on mudflat was discussed
分析閩南沿海地區紅樹林區鳥類的種類、區系組成和時間動態；討論紅樹林對鳥類種類和數量分佈的影響；以及生境變遷對鳥類影響。 -
Standard test method for bulk density of densified particulate biomass fuels
密實粒狀生物燃料的容積密度的試驗方法 -
The exploitation and utilization of biomass energy is an effective method for relieving the pressure of conventional energy resources shortage. the technology of biomass pyrolysis can convert low - quality biomass into bio - oil that has the character of high - quality, high energy density, cleanness and zero carbon dioxide emission
大力開發生物質的熱裂解制油技術，可將低品位的生物質能轉化成高品質的、高能量密度，清潔、無污染而且二氧化碳排放為零的生物油液體燃料。 -
The results showed the silage corn keduo 8 laid particular stress on vegetable growth, it had larger lai and higher biomass, there were bigger changed range between lai and biomass ; the dual purpose corn shandan 310 laid particular stress on reproductive growth, it had smaller lai and lower biomass, there were a littler effect of density on lai and biomass
結果表明，青貯型玉米科多8號偏重於營養生長，其葉面積指數、干物質積累量大，二者隨密度的變化其變幅較大；糧飼兼用型玉米陜單310偏重於生殖生長，其葉面積指數、干物質積累量較小，密度對其影響較小，耐密植。 -
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。
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