數量變數 的英文怎麼說

中文拼音 [shǔliángbiànshǔ]
數量變數 英文
quantitative variables
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 數量 : quantity; quantum; amount; magnitude; number
  1. The rhizosphere microflora dynamics of bacteria, actinomyces, fungi and four bacterial physiological groups of kentucky bluegrass under different quality of illumination were studied by adopting selective culture medium to explain scientifically response regular of this grass to different illumination condition

    摘要研究了草地早熟禾在不同光照條件下其根際與非根際細菌、真菌、放線菌以及氨化細菌、硝化細菌、好氣性纖維素分解菌、固氮菌生理類群的區系動態化,擬從根際土壤微生物化方面來闡述草地早熟禾對不同光照條件的響應規律。
  2. 2. the population of functional bacteria in water body varied with adding cm. when the use of cm was 4g, the amount of the total bacteria and phosphorus bacteria were maximum in the fourth day, the amount of denitrifying bacteria were maximum in the tenth day ; when the use of cm was 1g, the amount of ammonifying bacteria were maximum

    復合微生物的加入引起水體中的微生物功能菌群化,其中復合微生物添加為4g時,實驗第4天,總菌和磷細菌達到最高峰,第10天,反硝化菌達到最高峰;當復合微生物添加為1g時,實驗第4天氨化菌達到最高峰。
  3. Bargainer quantity change of stock market and liquidity research

    股票市場交易者動及流動性
  4. The conodont fauna of late permian to early triassic from yangou section in leping area, jiangxi province was discussed in this paper. all of the conodont individuals founded in this section were listed in a figure. according to the distribution of the important conodont elements, this section was divided into three conodont zones from the upper permian to the lower triassic

    討論了贛中樂平地區沿溝剖面上二疊統至下三疊統地層的牙形石動物群,列出了牙形石的各個形態屬種在地層中的分佈及其化。根據特徵牙形石分子的地層分佈,將該段地層自下而上劃分為3個牙形石帶,分別是:
  5. Deflation is the division of a value variable by an appropriate price index so as to obtain a quantity variable.

    減縮是價值除以適當的價格指以獲得
  6. Manglietia grandis flora quantitative features

    大果木蓮的花部異研究
  7. X2 test with 2 2 contingency table and ochiai indices were used to analyze the interspecific association of 12 dominant species of meadow community and 20 dominant species of scrub community and 18 dominant species of tree community. pearson ' s correlation coefficient and spearman ' s rank correlation coefficient were also applied to calculate correlations between species

    在該地區植被的優勢種的種間關系的研究方面,運用2 2列聯表、 x ~ 2檢驗方法對群落優勢種進行總體相關性和種對間的聯結性檢驗,利用共同出現百分率jaccord指測定種對間的關聯度,應用pearson相關系和spearman秩相關系刻畫種對間的化關系。
  8. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明,建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟及大籽粒的樹種,其種子雨被取食的比例大;種子雨、有活力種子雨、種子庫三者的化不一致;有活力種子雨較大的栲、石櫟、小葉青岡、扁刺栲、香桂等,其種子庫密度在早期以近幾何級的方式增長,元江栲、銀木荷種子庫小,存在時間短,翌年無一年生萌發苗;種子庫動態、消減率動態決定於種子被取食的強度、種子衰老的速度以及種子對病菌、逆境的抗性和種子萌發的整齊性
  9. However applied modeling of the mineral processing plant is a complicate and very difficult work, because the relativity of production data, complexity of the non - linear modeling and the absence of technical parameter quantum data of mineral processing plant, which should be used as independent variable of network and so on

    然而,由於生產據的相關性、非線性建模本身的復雜性和應該作為網路自的選廠工藝參據的缺乏等,建立實用的選廠學模型,是一項復雜和難度較大的工作。
  10. Switch to a defensive survival strategy when the number of peasants and knights is low

    當農民和騎士的低時,轉為防禦性生存戰略。
  11. According to all previous censuses nationwide and relative documents, this article inspects and analyzes the changes and cause of formation on quantity fluctuation, region distribution and cities and towns distribution of yugur ' s population from 1949 to 2000

    摘要本文根據歷次全國人口普查資料和相關文獻,對1949 - 2000年裕固族的人口動、地理分佈分的歷史遷及成因進行了考察分析。
  12. There were many ups and downs in the earth's numbers.

    世界人口化起伏不定。
  13. The variation of changjiang runoff was important influential factors to the distribution of fish eggs and larvae

    浮遊橈足類與魚卵仔魚的攝食關系決定了其豐度化影響著魚卵仔魚的動。
  14. The new cnv map ? compiled from 270 individual genomes of people with african, asian and european ancestry ? will change the way in which scientists search for genes involved in disease

    根據來自非洲、亞洲和歐洲的270個人的基因分析資料,科學家們繪制了新的「復制異」圖,它將改科學家們尋找與疾病相關的遺傳因子的方式。
  15. We get the probability distribution of the population by the theory and method of markovian process, and discuss the model coefficients influencing on subsistence of a population

    利用馬爾可夫過程的理論和方法,得到生物種群化的概率分佈,最後討論了各模型參化對生物種群生存的影響。
  16. Based on the color aerial photo and the field survey data, this paper analyze the information of various land use type change and spatial characteristics in yanan ecological construction demonstration area from 2000 to 2003 by rs, gis and statistics methods

    摘要以航片等資料為基礎,藉助遙感影像解譯、地理信息系統空間分析功能以及理統計方法,分析了延安生態建設示範區2000 - 2003年間各土地利用類型的化和空間特徵,並且首次引入退耕指、退耕彈性系等指標對退耕還林工作進行評價。
  17. Within the 5h of exposure to neuronal induction, changes in morphology of some of the mmscs were apparent. initially, cytoplasma in the mmscs retracted towards the nucleus, forming a contracted multipolar, cell body, leaving membranous, process - like extensions peripherally

    1倒置顯微鏡下觀察細胞形態化加人bme , bfgf , atra5小時過程中觀察到部分扁平的長梭形細胞胞質逐漸向核收縮,胞體逐漸為不規則形和圓形,呈神經元樣細胞形態。
  18. Our results provided direct evidence that pf40 gene play a role in the tissue development, with knockout this gene the lateral buds were not visible. the plant hormones auxin and cytokinin appear to play a major role in controlling this process, therefore, the concertrition of auxin and cytokinin was measured, however, the concentration of the two hormone was variation a little in transgenic plants, but the ratio of the two was more than 5 fold in the pf40 gained function plant than that in wild type. furthermore the pf40 gene effected differentiation of the vascular bundles in different transgenic plants, results showed the pf40 could change both xylary fibers and vessel

    進一步的實驗發現pf40基因會影響植物側芽發育的早期,即pf40基因作用在側芽形成與發育的早期。對轉基因穀子的組織切片的分析還表明pf40基因引起不同形式的轉基因穀子的維管組織的發育的差異,轉化正義載體穀子的木質部多,維管系統增多,而反義或干擾的轉基因穀子的木質部少,木質部分化異常。從轉基因的結果可見pf40基因可以減弱植物的頂端優勢,這種作用是通過改植物體內激素的含實現的。
  19. Abstract : through the survey of master degree theses on landscape architecture from peking university, beijing forestry university, chongqing university, southeast university, south china agricultural university, huazhong university of science and technology, nanjing forestry university, tianjin university, tongji university, and china agricultural university from 1996 to 2006, the analysis in width and depth is made on the aspects like the quantity changes, research areas and directions, research features and existing problems of master degree theses, so as to analyze and summarize the academic research development lines of landscape architecture in china in recent 10 years, and explore the development trend of future academic research of landscape architecture

    摘要:通過對北京大學、北京林業大學、重慶大學、東南大學、華南農業大學、華中科技大學、南京林業大學、天津大學、同濟大學、中國農業大學10所院校1996 ? 2006年來風景園林碩士學位論文的統計分類,從廣度和深度兩方面分析碩士學位論文的寫作化、研究領域與方向、研究特徵、存在問題等多方面內容,以期分析總結近10餘年來中國風景園林學科學術研究的發展脈絡,從而探尋未來中國風景園林學科學術研究的發展趨勢。
  20. The change of mosquito - density was positively correlated with temperature

    化與其環境溫度化呈正相關關系。
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