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sample site造句

"sample site"是什么意思   

例句與造句

  1. Through the stand investigation by setting up the sample site , the investigation results showed that the average dbh of 15 - year - old alniqhtllm fortunei planted under nature was 60 % larger than that of 17 - year - old pinus massoniana plantation under the same condition , the average tree height of the above was 38 % larger than that of the latter , the average single - tree volume of the above was 3 . 2 times higher than that of the latter , the above showed the absolute dominance in stands
    摘要設(shè)立標(biāo)準(zhǔn)地進(jìn)行林分調(diào)查,在標(biāo)準(zhǔn)地中選取擬赤楊標(biāo)準(zhǔn)木進(jìn)行樹(shù)干解析,采用生長(zhǎng)對(duì)比方式分析擬赤楊在馬尾松人工林中的生長(zhǎng)情況,調(diào)查結(jié)果表明,在同一環(huán)境條件下, 15年生天然下種的擬赤楊比17年生馬尾松人工林平均胸徑大60 % ,平均樹(shù)高高38 % ,平均單株材積大3 . 2倍,在林分中表現(xiàn)出絕對(duì)優(yōu)勢(shì)。
  2. It was the most remarkable about the changes in number of chlorophyta by the season . from the sampling sites distribution of macroalgae in every division , the number of chlorophyta is the most , more than the total of the other divisions . cyanophyta distributes equably , and has no obvious difference in every sampling site
    從各門(mén)類(lèi)大型藻類(lèi)植物在各采集點(diǎn)的分布看,綠藻門(mén)植物的數(shù)量都是最多的,比其它門(mén)類(lèi)的總和還多,藍(lán)藻門(mén)分布較均勻,在各采集點(diǎn)的分布相差不多,輪藻門(mén)和紅藻門(mén)種類(lèi)較少,在五龍泉分布較多,其它采集點(diǎn)沒(méi)有或少有分布。
  3. Taken two heavy metal contaminated soils in copper mine field of hongtoushan area and lead - zinc mine field of qingchengzi area as sampling sites , studied the abundance and diversity of amf community and the relation of which to ecological factors ; two experiments were managed by pot culture and four - compartments culture system with festuca . rubra and red clover as host plants inoculated with gintraradices , gmosseae and gcaledordinum to study the effect of different amf on the uptake and accumulation of heavy metal in cd contaminated soil and cu > zn - pk cd complex - contaminated soil
    采用盆栽、四室根箱培養(yǎng)的方法,研究了接種g . intraradicesg . mosseae和g . caledordinum在cd污染和cu 、 zn 、 pb 、 cd復(fù)合污染土壤中對(duì)紫羊茅、三葉草吸收、累積重金屬的影響,明確了叢枝菌根菌在重金屬污染土壤生物修復(fù)中的作用。主要結(jié)果如下: 1 、沈陽(yáng)礦區(qū)重金屬污染土壤中,共發(fā)現(xiàn)叢枝菌根菌6個(gè)屬23個(gè)種,已鑒定22種, 1個(gè)未定種。
  4. Qualitative and quantitative investigation ( visual encounter surveys ) of terrestrial mollusca were carried out in each sampling site of mangshan nature reserve and babaoshan of guangdong . all terrestrial mollusca in each sampling site were collected and identified . a list of the name of the species of terrestrial mollusca , margalef species richness index ( d _ ( ma ) ) , shannon - wiener index ( h " ) and pielou evenness index ( jsw ) were used to analyze their biodiversity
    對(duì)各個(gè)采集點(diǎn)的陸生貝類(lèi)不但進(jìn)行了定性調(diào)查,而且進(jìn)行了定量調(diào)查( ves法) ,對(duì)調(diào)查采集到的陸生貝類(lèi)物種進(jìn)行編目,并采用margalef豐富度指數(shù)( d _ ( ma ) ) 、 shannon - wiener多樣性指數(shù)( h ’ ) 、 pielou的均勻度指數(shù)( jsw )對(duì)陸生貝類(lèi)多樣性進(jìn)行了分析。
  5. Core sediments in the bohai have been analyzed to assess the sources and diagenesis of organic matter . two sampling sites have been chosen : e3 and e5 , which are located in the center of bohai bay . it is indicated that the most important organic source is the terrestrial matter transported by the yellow river into the bohai by analyzing the distribution of
    本文測(cè)定了位于渤海中部的e3和e5兩柱樣中正構(gòu)烷烴和脂肪酸的含量分布研究表明:渤海沉積物中有機(jī)質(zhì)的重要來(lái)源是黃河的陸源物質(zhì)輸運(yùn),黃河的歷史變遷在柱樣中可通過(guò)輕重?zé)N比值的變化記錄體現(xiàn)。
  6. It's difficult to find sample site in a sentence. 用sample site造句挺難的
  7. The results show that there are 31 known species , 1 new species and 7 unnamed species which were collected from the sampling sites , belong to 10 families and 19 genera in mangshan nature reserve . there are 36 known species , 1 new species and 2 unnamed species which were collected from the sampling sites , belong to 10 families and 27 genera in babaoshan
    結(jié)果表明,莽山自然保護(hù)區(qū)共有陸生貝類(lèi)10科19屬39種,其中7未訂種, 1新種;八寶山共有陸生貝類(lèi)10科27屬39種,其中2未訂種, 1新種。
  8. Based on the observation data obtained from 69 sampling sites of different age class forests , and by using biomass expansion factor function , the regression equations of stand biomass and volume of the main forest forests in pearl river delta were built , and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data
    摘要利用生物量轉(zhuǎn)換因子連續(xù)函數(shù)法,通過(guò)69組不同齡級(jí)的森林樣地實(shí)測(cè)數(shù)據(jù),擬合了珠江三角洲主要森林類(lèi)型的生物量和蓄積量之間的回歸方程,并結(jié)合3個(gè)時(shí)段森林清查資料,估算了區(qū)域森林生物量及其動(dòng)態(tài)。
  9. And the number of charophyta and rhodophyta is less , rich in wulongquan , and none or less in other sites . from the sampling sites distribution of macroalgae in niangziguan , macroalgae species is the most in wulongquan , 30 species , accounting for 48 % of the total . the next is gunquan , 27 species , accounting for 44 % , the third is shuiliandong , 23 species , accounting for 37 % , and pingyanghu 21 species , accounting for 34 % , the last is shuishangrenjia , 17 species , only accounting for 27 %
    從娘子關(guān)泉域大型藻類(lèi)植物在各采集點(diǎn)的分布看,五龍泉大型藻類(lèi)種數(shù)最多,為30種,占總種數(shù)的48 ,其次是滾泉為27種,占總種數(shù)的44 ,第三是水簾洞泉,為23種,占總種數(shù)的37 ,第四是平陽(yáng)湖,種數(shù)為21種,占總種數(shù)的34 ,水上人家泉的種數(shù)最少,為17種,僅占種數(shù)27 。
  10. They are jinfo mountain in nanchuan county ( natural protection section ) , wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ) . some main land use patterns i . e . woodland , garden , infield , abandon infield , shrub and grassplot are selected in those three sample sites . four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites , are revealed in this paper , by using the field test , indoor measure and analysis , outdoor experiment and field investigation , and the knowledge and technique of soil , ecology , physics and chemistry etc . they are physical characteristic ( effective soil thickness , organic layer thickness , soil texture , water - stable aggregate and soil water etc . ) , chemical fertility ( organism , omni - n , omni - p , omni - k , alkali - nitrogen , available p , available k and rapid available k etc . ) , soil animalcule ( bacteria , fungi , actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
    本研究以重慶市的南川金佛山(自然保護(hù)區(qū)) 、黔江武陵山(國(guó)家重點(diǎn)退耕還林示范縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴(yán)重)典型巖溶區(qū)為對(duì)象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,采用野外巖溶生態(tài)調(diào)查和室內(nèi)試驗(yàn)測(cè)量分析相結(jié)合的方法,以不同土地利用方式巖溶土壤肥力為重點(diǎn),對(duì)不同土地利用方式土壤肥力特征進(jìn)行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(biāo)(有效土層厚度、有機(jī)質(zhì)層厚度、質(zhì)地、團(tuán)聚體、水分含量等) ,化學(xué)肥力退化指標(biāo)(有機(jī)質(zhì)、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(biāo)(細(xì)菌、真菌、放線菌數(shù)量及總量)以及樣地土壤種子庫(kù)植物群落多樣性等4個(gè)方面對(duì)重慶典型巖溶區(qū)的土壤肥力特征進(jìn)行了較為詳細(xì)的分析研究,為巖溶地區(qū)士壤資源的合理利用及結(jié)構(gòu)的調(diào)控管理提供依據(jù)。
  11. From september 2000 to august 2001 , we collected the zooplanktons qualitatively and quantitatively at 12 sampling sites in the river and measured 3 physical indexes ( temperature , ph and electric conductivity ) and 5 chemical indexes ( nh3 - n , tp , tn , codmnand do ) . through identifing the zooplanktons " category , the common and the dominant species were ascertained
    2000年9月至2001年8月,在內(nèi)河的主要河道設(shè)置12個(gè)采樣點(diǎn),對(duì)浮游動(dòng)物進(jìn)行定性和定量的采集,同步進(jìn)行溫度、 ph值和電導(dǎo)率三項(xiàng)物理指標(biāo)以及氨氮、總磷、總氮、高錳酸鹽指數(shù)和溶解氧五項(xiàng)化學(xué)指標(biāo)的測(cè)定。
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