stress (l) 中文意思是什麼

stress (l) 解釋

  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  • l : L-beam, L-iron 不等邊角鋼。L,￡＝ 〈拉丁語〉 libra （＝ pound）。
  1. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  2. Under the stress of nacl lower than 100 mmol / l, the tissue structure of root had no distinct difference from the control. when the concentration of nacl was higher than 250 mmol / l, the stained color of safranine was deep but not even, and color in fibrovascular tissue and peripheral cortex cell were deeper than that around fibrovascular tissue. wild type arabidopsis thaliana and two salt - tolerance mutants were used for rapd analysis

    當nacl濃度小於100mmol l時，根組織結構與對照未表現出明顯的差異；但當nacl濃度達到250mmol l時，根組織結構對番紅染料的著色較深而且不均勻，維管組織和外圍皮層細胞著色較深，而維管組織周圍的細胞著色較淺。
  3. My experiment can mostly include two sections : the first one was a pot experiment which was carried out in the greenhouse to study the physiological responses of helianthus tuberosus l. seedlings to salt and water stress ; the second one was a field experiment which was carried out in laizhou, shandong province to study the effects of seawater irrigation on helianthus tuberosus l. and soil

    本試驗由溫室盆栽耐鹽耐旱試驗和大田海水灌溉試驗兩大部分組成：溫室盆栽試驗主要通過砂培的方法，研究了幼苗期菊芋在鹽分和水分脅迫下的生理反應；大田試驗在半乾旱的山東萊州地區進行，研究了海水灌溉對菊芋及其土壤的影響。
  4. According to the analysis and identification of differential displayed proteome, two key enzymes, adp - l - glycerol - d - mannoheptose - 6 - epimerase and mannosyltransferase, were induced in different salt stress and salt shock for rt19, which commonly participate in the biosynthesis of l - glycerol - d - manno - heptose, a major component of lipopolysaccharide

    通過對rt19的鹽激和鹽脅迫誘導蛋白的比較分析，發現：其中12個蛋白在兩種不同的脅迫條件下都可被誘導表達。進一步證實： rt19應答不同鹽脅迫刺激採取了不同的反應機制，但這些機制存在共性，交織成復雜的調控網路。
  5. Dreb - type transcription factors can accept stress signals from environment and promote the expression of stress - tolerant genes. four dreb homolog genes, gmdreba, gmdrebb, gmdrebc and osdreb4 - 2 were isolated from soybean [ glycine max ( l. ) merr. ]

    Dreb類轉錄因子能接受逆境信號並啟動逆境應答基因的表達。在本研究中，以大豆和水稻為材料，共克隆了4個dreb的同源基因，分別命名為gmdreba ， gmdrebb ， gmdrebc和osdreb4 - 2 。
  6. Root elongation in hydroponic solutions showed that the transgenic plant have increased al tolerance. the transgenic plants have higher relative root elongation under 20umol / l al stress than untransformed control

    根相對生長量實驗證明轉基因植株具有一定的鋁耐受性，在20 mol l的al ~ （ 3 + ）濃度下比對照具有更高的根相對生長量。
  7. Pretreat of 0. 15mmol - l - 1 rgd ( arg - gly - asp ) reduces the interaction between cell wall and plasma membrane and inhibits the stress induced - aba accumulation by 50 percent

    本實驗結果表明：細胞壁與細胞膜之間相互作用的變化是煙草細胞對甘露醇脅迫處理的原初響應。
  8. The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service. ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking, which is banked to the height of 140m

    主要研究工作有： （ 1 ）茅坪溪防護大壩完建和蓄水時的應力和變形的分析計算：對完建和蓄水時壩體的應力和變形進行平面非線性靜力分析計算和平面粘彈性靜力分析計算，對分析計算結果作出結論。
  9. The content of the paper is nonlinear analysis of complete response process for t, l - shaped and " + " shaped section r. c. columns under axial compression and biaxial bending. on the basis of related papers, the full path of stress - strain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered, simultaneously, the restriction effect for concrete by thickening of stirrups is also included

    本論文主要內容是對鋼筋混凝土異形截面雙向壓彎柱（包括l形、 t形、十字形柱）進行非線形全過程分析，在有關文獻基礎上考慮了受拉縱筋和周圍混凝土的錨固滑移和混凝土應力?應變關系曲線的下降段，同時考慮到在箍筋加密區箍筋對混凝土的約束影響。
  10. The critical concentration of mannitol stress is 0. 8 - 0. 9mol - l - 1. the maximal level of aba accumulation is attached after 5 hours " treat with 0. 9mol - l - 1 mannitol solution. cell wall plays important roles in tobacco cells perception to osmotic stress

    滲透脅迫誘導aba積累的水平與脅迫處理的濃度和時間相關，脅迫處理的有臨界濃度為0 . 8 ? 0 . 9mol ? l ~ （ - 1 ） ， aba積累水平在脅迫處理5小時后達到最大。
  11. Effect of calcium on the germination of cucurbita pepo l. seed under salt stress

    脅迫下西葫蘆種子發芽特性的影響
  12. We have identified a nucleotide sequence from ests ( expressed sepuence tagged ) acquired fromzap - cdna library of thellungiella salsuginea treated with 200mmol. l - 1 nacl and analyzed its nucleotide sequence characterization, gene organization, and differential expression under salt stress

    本實驗從200mmol . l ~ （ - 1 ） nacl處理的小鹽芥地上部分構建的zap - cdna文庫中克隆了編碼硫氧還蛋白的基因序列。
  13. On the contents of two sides abovementined, this paper attempts to do some initial researches from three angles as follows : 1, the analyses of anti - seismic features on longitudinal direction of the aqueduct l ) the seismic longitudinal effects are small. the vibrant characters are decided from the structure integration and rigidness of piers and main arch - ring of the aqueduct, so the following measures should be taken in order to weaken and isolate seismic influence : properly broadening the section sizes and adopting the high class concrete, lowering the height and barycenter of building, setting hoop steel bars so as to increase the plasticity of the concrete which can absorb the seismic energy and prevent the damages due to stress centralization on the linkages and changing place

    本文試圖就上述的這兩大方面的內容，從以下三個角度進行了初步研究： 1 、縱槽向抗震性能分析1 ）湯峪河吊桿拱支承結構的縱槽向地震效應較小；吊桿式拱架結構動力特性取決于槽墩和主拱圈的剛度，以及結構的整體性，故適當加大構件截面尺寸或提高砼標號，盡量降低結構的建築高度和重心，在構件連接和變截面處增設梗脅，按照約束混凝土的要求來加強箍筋的配置，增加砼的延性，以克服地震時構件連接和變截面處的應力集中造成的坡壞，並吸收大量的地震能量，從而起到隔震，減震的效果。
  14. La3 + has greater ability of relieving the toxic effect of ni3 + to hydrocharis dubia b l. backer than that of ce3 +. however, the relif ability of rare earth to the stress of heavy metal was limited

    在狐尾藻葉片細胞超微結構水平上也能見到cr ~ （ 6 + ）的毒害作用在稀土元素la ~ （ 3 + ）的作用下得到緩解。
  15. 2. effect of nacl treatment on the subunits expressions and activities of h + - atpase and h + - ppase from suaeda salsa northern blot analysis indicated that the transcription of v - h + - atpase subunits b, h and c were obviously up - regulated by nacl stress. the transcripts of mrna of b and h subunits in 400 mmol / l nacl - treated plants were significantly higher than those in control during 0 - 120h and the mrna levels of b, h and c subunits were also increased under 100 and 400 mmol / l nacl treatment

    400mmol lnacl處理鹽地堿蓬植株0 - 120h發現鹽脅迫明顯誘導了鹽地堿鹽脅迫下鹽地堿茨液泡膜質子泵衷達分析及過量系達印mhxaw對擬甫芥耐鹽性的影響蓬液泡膜h 」 atpaseb 、 h亞基基因表達； 100 、 400mmol lnaci處理鹽地堿蓬植株，分析其葉片液泡膜h 」
  16. A careless [ ord may [ [ ndle str [ fe a cruel [ ord may [ rec [ a l [ fe a t [ mely [ ord may level stress a lov [ ng [ ord may heal and bless

    無心快語可能引發爭執，無情之詞可能折損生命，適時溫語可能消弭壓力，而關愛之聲可能治愈心靈。
  17. Effects of calcium on the function and lipid composition of tonoplast from two wheat triticum aestivum l. cultivar roots under aluminum stress

    鋁脅迫下鈣對小麥根液泡膜功能和膜脂組成的影響
  18. Different waterlogging tolerances of nine rapeseed ( brassica napus l. ) genotypes were investigated after germinating seed anoxic stress for 12h and spring field waterlogging for l0d

    摘要9個不同遺傳背景的甘藍型油菜品種（系）在室內進行發芽種子水淹和春季田間模擬濕害條件下，研究油菜對濕害脅迫的耐濕遺傳差異。
  19. Major morphological and economical characters and some physiological and biochemical changes of head lettuce ( lactuca sativa var. capitata l. ) under heat stress were studied

    摘要以6個結球萵苣品種為試驗材料，從生長發育、經濟性狀和生理生化等方面研究耐熱性的鑒定方法。
  20. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。
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