lower plant 中文意思是什麼

lower plant 解釋
低等植物
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的，低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • plant : n 1 植物，草木 （opp animal）; 草本；〈商用語〉樹秧，苗木。2 莊稼，作物，收獲；（植物的）生育。3 ...
  1. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件，它影響到地球上所有的其他生命和全球環境。在過去的20年中，從中奧陶世歷經整個志留紀至早泥盆世的巖層中，化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識，並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代：始胚植物時代始維管植物時代和真維管植物時代。
  2. The correlation coefficient between 1 mol / l ntljoac extracted k and k uptake by corn plant was much lower than that with resin membrane k. 4. the k adsorbed on resin membrane after extraction was easily desorbed by 0. 5 mol / l hc1 solution. the k desorbed in the first time had a very significant correlation with k uptake by corn seedling in the - k treatment of pot experiment

    用1mol l中性nh _ 4oac提取的土壤速效鉀與盆栽耗鉀試驗中首茬玉米吸鉀量之間的相關系數較低，雖然也達到了極顯著水平，但明顯低於樹脂膜室內埋置法提取的土壤鉀與玉米吸鉀量之間的相關系數。
  3. From lower to higher elevation, the capability for plant to produce ramet increases, the height of ramet decreases, the number of viviparous plantlets produced by genet increases, and the leaf number < wp = 6 > produced by the viviparous plantlets increased

    隨著海拔的升高，植株的高度逐漸變矮，母體產生胎生苗的數目增加，胎生苗脫落時產生葉片的數目增加。
  4. In normal greenhouse condition, coda - transgenic wheat lines ( to ) had the same plant morphorlogy and pollen i2 - ki staining rate as untransformed control plant. after treating with 300 mm of 5 - fc, however, changes in configurations of spikelet, floret and anther have been observed in the transgenic lines but not in the control, and 50 % gus - positive lines displayed outside - opened glume, abnormal stamen, smaller and thinner anther, shorter filament, and failure of selfing. in parts of 5 - fc - treated transgenic lines, the pollen staining rate by i2 - ki was much lower than that of untransformed control

    溫室栽培的轉基因小麥苗（ t _ 0 ）未噴5 - fc處理時植株外部形態和花粉碘-碘化鉀染色的著色率與未轉基因的對照沒有差異；用300mm的5 - fc處理后，發現有50 gus陽性株系與對照有明顯的區別，表現為小穗穎殼外張，花絲短縮，花藥發育不良，較小、黃白色且花粉粒少，自花不授粉，無外來花粉授粉則不結實。
  5. In animal and lower plant cells, cytoplasmic dynein involved in not only trafficking of subcellular organelles and target molecules, but also organizing and positioning of organelles such as golgi apparatus

    細胞質力蛋白在動物和低等植物細胞中不僅參與細胞內細胞器和靶分子等的運輸，還參與高爾基體等細胞器的組裝和定位。
  6. Another study on children and adult hypochondria suggests that the melatonin levels of psychiatric patients are lower than those of healthy people. the origin of melatonin melatonin exists in small quantities in many plant species, including oats, sweet corn, rice, ginger, tomatoes, bananas and barley

    褪黑激素普遍存於地球上的各種生物體內，食物當中含量較多的有燕麥甜玉米米姜蕃茄香蕉大麥等，但是它們的含量的百分比均不高。
  7. The papyrus plant was also the symbol of lower egypt

    紙草也是下埃及的象徵物。
  8. 9. after fumigation for 3h in diverse concentration so2, mda content general level is in resistant plant is obviously lower than sensitive plant ' s, and the fighting membrein grease over burn ability of resistant plant is dearly stronger than sensitive plant ' s

    9 .不同濃度的50 :熏氣3h后，抗性植物體內的mda含量總體水平顯著低於敏感植物，抗性植物抗膜脂過氧化的能力明顯大於敏感植物。
  9. The tropical forest in the lower tiers is home to an unrivalled variety of animal and plant species

    在低層的熱帶叢林中，生活著珍稀的動物和植物。
  10. The species, heights, diameter breast heights, canopy widths and plant numbers in 38 quadrats of 6 belt transects, which were located in yingsu cross - section and kaerdayi cross - section lying in the lower reaches of tarim river where populus euphratica concentrated, were investigated to study the distribution patterns, aggregation intensities and distribution pattern scales of p. euphratica populations at different distances away from the river

    摘要在塔里木河下游胡楊分佈集中的英蘇、喀爾達依斷面，設置了6條樣帶38塊樣地進行植被種類、高度、胸徑、冠幅、株數等因子調查，研究了不同離河距離胡楊格局分佈類型、聚集強度及其格局規模。
  11. In this dissertation, the author analyzed plant biodiversity in yunmengshan forest region with field survey on plant species and forest vegetation, the results show that : the vascular plants in yunmengshan forest region include 548 species ( variation ) which belong to 319 genera, 98 families, the flora geographical composition are complex, the dominant characteristics of flora are temperate zone plants which account for 55 percent, herbaceous species occupy 75 percent exclusively. evaluating the threatened hierarchy of plants in yunmengshan forest region, the results show that the number of critically endangered species is 7, endangered species isll, vulnerable species is 53, lower risk species is79, safty species 376

    本文在對雲蒙山林區的植物物種、植被進行調查的基礎上，進行植物多樣性分析，研究結果如下：雲蒙山林區共有維管束植物98科319屬548種和變種，地理成分復雜，包括中國全部屬的15個分佈區類型，區系組成以溫帶成分為主，佔55 ；生活型譜中，草本植物種類占絕對優勢，比例為75 . 3 ；通過瀕危評價，得出雲蒙山林區植物極危種7種，瀕危種11種，漸危種53種，敏感種79種，安全種376種。
  12. On the edge of the mouth, triangle flowers pattern circle to that of neck part, continuing to the lower basvo ( banana plant ) leaves pattern

    腹中間部位四個菱形開光等距團列，開光內繪龍戲珠紋，開光之間填飾卷枝寶相花，上下端以俯、仰變體蓮瓣紋陪襯。
  13. The results showed, compared with experimental common wheat, annong waxy 1 should be improved in plant - height, ear - length, 1000 - kernel weight by hybridism and back - cross, while the difference among protein content, ash content, wet gluten contents were not significant, but the waxy wheat grain hardness value was lower

    結果表明，與供試的普通小麥品種（系）相比較， 「安農糯1 」在株高、穗長和千粒重等農藝性狀上均不理想，需要通過雜交和回交等方式進一步改良；蛋白質含量、灰分、濕麵筋含量等變化不大。
  14. Under high light treatment, the f ormation of a and z decreased, and the values of non - photochemical quenching ( npq ) and fv / fm in a29 were both lower than those in the wild - type plant

    通過凍融法從該植株的類囊體中提取vde酶，其酶活性為3 2 ，是對照植株的45 7 ，表明vde酶受到了抑制。
  15. Tillering and earbearing characteristics of wheat varit ies “ miannong 4 " and “ miannon 3 " were studied under three densities. the results indicated that t he two varieties had medium tillering speeds and tillering numbers ， and their t illering number under medium density was 3. 7 tillers per plant ， which is less th a n that of “ mianyang 11 " ， a popular wheat variety in sichuan in 1980s. their perc en tage of earbearing was about 55 % ， which is also lower than that of “ mianyang 11 "

    在3種密度下對綿農4號、綿農3號的分蘗及成穗特性進行了初步研究，結果表明：綿農4號、綿農3號的分蘗速度和分蘗力皆為中等，中等密度條件下，有效分蘗期每天可形成0 . 15蘗，各期總蘗數為3 . 7左右，低於綿陽11號；與綿陽11號分蘗速度的差異主要在有效分蘗期；綿農4號、綿農3號的成穗率為55 %左右，低於綿陽11號；但分蘗和主穗的差異較小，分蘗穗重佔主穗重的80 %左右，莖蘗穗重變異系數15 %左右，穗子大小均勻一致，小穗相對較少，小穗較大，這些性狀都優于綿陽11號。
  16. To assess the medicinal value of cultural anisodus tanguticus, the contents of four bioactive tropane alkaloids, anisodine, anisodamine, scopolamine and atropine, in cultural and wild materials were determined by the hplc method. the results showed that content of each alkaloid in the aboveground parts of cultural and wild samples was lower than that in roots, and this explained why it was not the whole plant but the root that was used as medicinal materials. the content of each alkaloid in the roots of one - year cultural material was lower than that in the two - year plants. the discrepancy of the total of four alkaloids between one - year and wild plants is not significant. moreover, the total of four alkaloids, and the contents of anisodine, scopolamine, and atropine in two - year plants were higher than those in wild plant. thus there is medicinal value in the cultivated a. tanguticus as well as wild a. tanguticus, especially in the two - year cultural a. tanguticus

    為了評估人工栽培山莨菪的藥用價值，採用高效液相色譜技術對人工栽培和野生山莨菪的地上部分和根中具有生物活性的4種托烷類生物堿:樟柳堿、山莨菪堿、東莨菪堿和阿托品的含量進行了測定.結果表明無論是人工栽培還是野生植物，地上部分中4種生物堿含量均遠低於根，這解釋了人們為什麼用山莨菪的根而不是整株入藥.在栽培植物的根中，一年生山莨菪中各生物堿含量均小於二年生山莨菪，其根中4種生物堿總量與野生根相比差異不是很明顯;二年生山莨菪根中， 4種生物堿總量以及樟柳堿、東莨菪堿和阿托品含量均比野生的高.這說明人工栽培的山莨菪，尤其是二年生山莨菪，同野生山莨菪一樣具有一定的藥用價值
  17. The propagules of b. gymnorrhiza and a. corniculatum undergo some growth before becoming detached from the parent plant. they accumulated large amounts of ions during the development while the level of ion concentrations are consistently lower in their embryos compared to leaves of parent plant. before detachment, the growth of hypocotyls were reduced, the water content declined, while the osmotic potential was approaching to or more negative than that of the solution on which their parent plant vegetating

    另一方面維持較大比例的有機滲透調節劑，控制細胞液中鹽離子的水平以減少代謝毒害；木欖成熟胚軸的密度接近或低於生境中海水的密度，適于隨水漂浮和傳播；胚軸內離子濃度呈下降趨勢，但最終以達到和母樹生境中的離子濃度水平相一致為目標。
  18. Zinc is brought up from lower horizons by plant roots, and is held in the resultant organic.

    植物根系從土壤深層吸收鋅素，並將其保持在所構成的有機殘體中。
  19. Fifty nine accessions of soybean [ glycine max ( l. ) merr. ] of 301 ones from huanghuaihai and middle - lower changjiang valleys were tested at seedling stage in two years for their drought tolerance by using the mean membership index value averaged over those of plant height, leaf number, root dry weight, stem and leaf dry weight. 4 tolerant accessions ( rank 1 ) and 2 sensitive ones ( rank 5 ) were identified

    摘要從301份大豆品種中按根系類型選取黃淮海和長江中下游地區代表性材料59份，在苗期乾旱脅迫和非脅迫條件下對地上部和地下部性狀進行2年重復鑒定，發現材料間性狀隸屬函數值具有豐富遺傳變異，以株高、葉齡、根干重和莖葉干重隸屬函數的算術平均數為抗旱綜合指標，從中篩選出漢中八月黃、晉豆14 、科豐1號、圓黑豆等強耐旱型（ 1級）材料和臨河大粉青、寧海晚黃豆等乾旱敏感型（ 5級）材料。
  20. The vary of the parameter of the steam ). the software provide function of " alert " if some parameters exceed the range of permission, and this may urge the operator to adjust operation condition and put right. meanwhile, this may promise the units under the conditions of optimization, and achieve lower net coal consumption rate of thermal power plant and higher generation efficiency

    同時，這套系統可以在線分析熱力系統的各小指標如主蒸汽參數、抽汽參數和排汽參數在偏離目標值時所引起的煤耗額外增加值，對于偏離目標值超過允許范圍時的參數提出報警，以提醒運行人員調整運行，糾正偏差，使各參數都運行在最佳狀態，從而降低煤耗，提高機組的運行效率。
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