in time of stress 中文意思是什麼

in time of stress 解釋
在艱難困苦之時
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • of : OF =Old French 古法語。
  • 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,...
  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. The travel time of lcr wave and applied stress showed well linear relationship in the qualitative and quantitative experiments, experimental result matched with the theory, achieved the anticipative requirements. these experiments validated the feasibility of evaluating the stress with lcr wave based on tdc travel time measurement preliminarily

    定性實驗與定量實驗顯示, lcr波傳播聲時與加載應力具有良好的線性關系,實驗結果與理論基本相符,達到了預定要求,也初步驗證了基於tdc聲時測量的lcr波應力檢測方法的可行性。
  3. In the paper, not only such factors as reinforcing steel bar, various placing temperature of concrete in case of lift placements, lift thickness, time interval between lifts, the variation of elastic modules of concrete, heat of hydration, the temperature changes of environment but the effect of creep deformation and autogenous volume change on the temperature field and thermal stress field of reinforced concrete face - slab are considered

    本論文在分析中,考慮了鋼筋、混凝土分層澆築、入倉溫度、澆築層厚、施工間歇、混凝土彈性模量變化、水化熱發散規律、外界氣溫等因素的變化及混凝土徐變和自生體積變形等因素對面板溫度場和溫度應力的影響。
  4. The fatigue alternating stress, which are highly variable in time, subject the crankshaft to very high and complex loading that induced to fatigue breakdown. the crankshaft design and manufacture must therefore precise calculations of the fatigue characteristics

    柴油機球鐵曲軸在工藝性和成本上佔有一定的優勢,通過滾壓強化工藝,疲勞強度有很大程度的提高,因而在國外得到廣泛應用。
  5. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活動是新滑坡形成或古滑坡復活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效應力,另一方面是由於地下水的長期浸泡降低滑體及滑帶的力學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的力系和庫水位在175m與145m間變化時滑體條塊的受力變化,從而使對作用於滑坡體上的力系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相應的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統應用於重慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  6. Abstract : the affects of crystal absorption for heat radiation on crystal growth, which include : the heat loss of the hot grower, the chara - cteristic of temperature - time of crystal growth, the pattern of fluid flow and the shape of interface, the interface inversion of crystal, the temperature distribution and the thermal stress distribution, are reviewed in this paper

    文摘:本文綜述了晶體對熔體熱輻射吸收對晶體生長的影響,包括對熱腔熱耗散的影響;對晶體生長溫度時間特性的影響;對液流形態和固液界面形狀的影響;對晶體界面反轉的影響;對晶體中溫度分佈和應力分佈的影響。
  7. However the level of ca2 + in the later cell decreased to the lowest point at 24h but still higher than that of the control, then with the time of cold stress lengthening, the level of ca2 + became higher

    淡水白鯧細胞在8低溫處理6h , ca2 』水平同樣升高,低溫處理至12h時, c 』水平達到峰值,低溫處理24h時ca2 』水平又下降,但仍高於正常水平。
  8. The results indicated that after cold stress the zc - 7901 cell can keep calcium homeostasis, while the cbs cell can only regulate the level of ca2 + in a restricted degree for short time, with the time of cold stress becoming longer, the equilibrium of ca2 + was disturbed

    但隨著低溫時間的延長, ca2 』水平又增加。可見草魚細胞內的ca2 』在低溫脅迫時仍能保持一種穩態平衡,而淡水白鯧在較短時間( 24h )內能保持鈣的穩態平衡,但隨著低溫時間的延長,這種平衡遭到破壞。
  9. In one of the countries she visited, master and some initiates most of whom were lay disciples went to a theater. i had been a monastic disciple for less than one year at the time and thought that master needed to reduce stress in mind and body by rest and recreation just like most ordinary folks

    還有一次在1989年,師父第一次公開出國弘法,在其中一個國家,師徒一群人大部份是在家眾去看戲,那時我出家還沒一年,以為師父也像一般人一樣,需要調劑身心。
  10. When the transportation load is long - term evenly distributed, the influences of each relevant factor, i. e. pipeline depth, diameter, deformation module of foundation, poisson ratio of soil and tyre pressure of vehicles, toward mises stress and vertical displacement of pipelines are discussed. when the transportation load is movable and invariable, the changing rules of mises stress and vertical displacement during the vehicle ' s movement are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are discussed. when the transportation load is stable and simple harmonic, the changing rules of mises stress and vertical displacement during the time of load function are calculated and analyzed, and effects of vehicle velocity and tyre pressure toward these two mechanical characteristics are also discussed. in three - dimensional analysis, mises stress and vertical displacement of pipelines under three kinds of transportation loads are calculated, and the analysis and discussion of correlative factors are also made

    當交通荷載為長期均布荷載時,討論了各相關因素,包括管道埋深、管徑、地基變形模量、地基泊松比和車輛輪壓大小分別對管道mises應力和豎向位移的影響;當交通荷載為移動恆載時,計算並分析了車輛行駛過程中管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對這兩個管道力學性狀的影響;當交通荷載為穩態簡諧荷載時,計算並分析了荷載作用時間內管道mises應力和豎向位移的變化規律,討論了車速和車輛輪壓對管道力學性狀的影響。
  11. The levels of metallothionein synthesized in liver of the mice induced by different stress factors including trauma, starvation, zinc ( zn ) nutriment, cadmium ( cd ) poison, both zn nutriment and cd poison and different treating ways which were designed according to the time - effect and dosage - effect were detected by atomic absorb mean and sulfydryl saturation mean respectively

    用鎘飽和法及巰基顯色法兩種方法檢測小白鼠肝臟mt的量,研究不同應激因子誘導小白鼠肝臟mt合成的對應情況,結果表明: 1鎘常規毒理實驗中,鎘對小白鼠腹腔注射的半致死劑量為2 . 12 ( 2 . 67 1 . 71 ) mg / kg 。
  12. These measures included the slope horizontal displacement monitor, the supporting structure swag monitor, the subsidence monitor, the pre - stress of anchor monitor, the ribbed beam steel stress monitor. we monitored the whole process and got feedback information in time, so the trend and development of slope " s displa

    在施工過程中,我們採取了邊坡穩定性安全監測措施,主要包括邊坡水平位移觀測及支護結構撓度觀測;沉降觀測;以及錨桿應力監測;助梁鋼筋應力監測等。進行全過程的檢測並及時反饋信息,隨時掌握邊坡的位移趨勢與發展。
  13. At the same time, depended on the creep test of double - prestress composite structure which is just being observed, the calculation theory and method of the redistribution of stress of double - prestress composite structure is studied and some helpful reference for design and research of this new - type structure is offered in this thesis

    同時本文結合正在觀測中的二次預應力組合結構徐變試驗,研究了二次預應力組合結構徐變應力重分佈的計算理論和計算方法,為二次預應力組合結構這一新型結構的設計和研究提供了一些有益的參考。
  14. In this paper, we take high molecule physics and the damage theory of rheologic material with lacuna as the basic, make the experiment as a mostly measure, take the pmma as a research object, to study the pmma ' s nonlinear viscoelasticity of high polymer. the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress, time and temperature in term of creep and flab

    本文以高分子物理學、含缺陷流變性物體的材料破壞理論為基礎,以實驗為手段,以工程中常用的pmma為研究對象,對pmma銀紋破壞的非線性力學行為進行了研究。作者採用顯微技術,對pmma在蠕變或鬆弛條件下,不同應力水平和不同基溫下的pmma銀紋損傷進行了實驗研究。
  15. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  16. At first, the propagation and influence of stress wave on the top of the pipe pile were discussed in the paper and a formula was obtained about the time difference between two initial signals which were received from two different points

    本文首先研究了應力波在管樁頂面的傳播及其影響,並提出了計算不同點激勵速度峰值時間差的關系式。
  17. In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied

    其次,將這一模型用於分析下坂地水利樞紐工程,由於該工程河床覆蓋層深度最深達147 . 95m ,是壩體高度的近兩倍左右,壩基的滲流和液化成為壩體安全主要問題,本文對該壩的三種設計方案即水平鋪層防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案的靜態應力位移及壩體在竣工期、蓄水期等各個階段可能產生的破壞進行了認真研究。
  18. Restrain alteration size is applied to improve the efficiency of structure optimization. approximate reanalysis technology is introduced to save the time of stress reanalysis. the multi - cantilever method and the finite element method is combined to analysis the arch dam, to enhance the capability of practical applications in engineer

    在拱壩優化設計中採用了約束變尺度演算法,提高了優化效率;在優化重分析過程中,採用近似重分析技術,節省應力分析時間;採用試載法和有限元相結合的應力分析方法,提高了解決實際工程問題的能力。
  19. It ' s essential for plant to control ros concentration within cell and repair the stress damage in time under stress. it has been reported that sos2 mutant shows sensitivity to salt due to reduced activity of na + / h + transporter

    已有的研究表明sos2突變體對鹽敏感是由於na ~ + h ~ +反向轉運器活性降低造成,而活性氧是否也作為它對鹽敏感的原因之一還未見報道。
  20. The results indicated that cynanchumkomarovii is sensitive to soil water from root to shoot, which apparently become slower and even stopped growing with water stress aggravation and the time of stress increase, but the root - shoot ratio increased. the soluble sugar is primary osmolyte in roots of cynanchum komarovii, which increased markedly with water stress aggravation, while soluble sugar in leaves decrease. the results showed that assimilation of cynanchum komarovii mostly distributed to root

    5 、隨著土壤水分脅迫程度的加重,根系中的可溶性糖呈明顯的增加趨勢,葉中的可溶性糖則隨脅迫的加重而呈下降趨勢,說明在乾旱脅迫下牛心樸子的同化產物大部分分配于根系之中;脯氨酸( pro )在牛心樸子葉、莖、根的滲透調節中也起著一定的作用,隨土壤水分脅迫的加重,其在根、莖、葉中的積累明顯增加;而無機離子( k ~ + 、 na ~ + 、 ca ~ ( 2 + ) )在牛心樸子滲透調節中的作用似乎很小。
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