decreased stress 中文意思是什麼

decreased stress 解釋
應激降低
  • decreased : 減少的,縮小的
  • 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. The powder was pressed through molding and cold isostatic pressure, which increased the density and decreased the uneven distribution of stress inside the briquet to make the ceramic briquet equally compact

    粉料採取模壓和冷等靜壓相結合的方法壓制,增大了坯體內部的密度並減少了應力的分佈不均,得到均勻緻密的陶瓷坯體。
  2. The research is that : after the same cyclic number of loading times, the steel stress of reinforced beams was much smaller than that of common beam ; the deflection of reinforced beams was decreased by 40 % - 50 %, therefore, the anti - transformation of the reinforced beams is enhanced greatly

    研究發現:經過相同次數的疲勞荷載作用后,完好加固梁的鋼武漢理工大學碩士學位論文筋應變小於未加固梁,加固梁的變形減少了40 %一50 % ,加固梁的疲勞壽命提高t60 % ~ 80 % 。
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  4. In this test, a special bolt - jack is used to exent of prestressing force to brace angles as the whole structure is under dead - load. in this state brace angles withstand partly load before twice - load and the stress and strain of concrete are decreased. in this way the aim of removal of load and strengthening can be reached

    本試驗中採用專用螺栓千斤頂在恆定荷載水平下對混凝土柱角鋼撐桿施加預壓應力,使外包角鋼在二次受力前即分擔部分荷載,使混凝土應力水平和應變水平降低,達到卸載與加固同步進行的目的。
  5. The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures

    最後,採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下,取得以下結論:升溫導致的材料機械性能下降都會降低結構固有頻率,而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率;金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。
  6. Under water stress, leaf water content decreased and leaf water deficit intensified

    在乾旱脅迫下,葉片含水量減少,葉片水分虧缺嚴重。
  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. In order to monitor on - line expansion difference during operation for lai cheng power plant in shandong province, this paper not only describes the realization of data acquisition, but also gives curve of rotor thermal stress according to stress caculation. furthermore improve traditional warming process. it can be observed that by means of the on - line system the start - up duration has been decreased for no. 1 unit of lai cheng power plant start up

    並依據萊城電廠機組的實際情況,經過理論計算給出了機組不同溫升率下的熱應力曲線,對傳統暖機過程進行了一定的改進,可縮短啟機時間,經萊城電廠1機組大修后冷態啟動檢驗完全符合實測值,證明本系統在實際運用中具有廣泛的推廣價值。
  9. As concentration of salt solution increased, the vigor index, germination index and the length of shoot and radical gradually decreased. the radicle was sensitive to salt stress and had low tolerance. it can be concluded that p. hendersonii has high salt tolerance, h. strobilaceum has low salt tolerance

    隨著鹽溶液濃度的升高,大葉白麻和鹽節木種子的活力指數和發芽指數下降,幼芽和幼根的長度逐漸變短,幼根對鹽分脅迫敏感,忍耐力不強。
  10. This paper focused on two aspects : the physiological effects of cold stress on the euonymus japonicus " zhuzi " ; the isolation of cold - induced cdna gene. the results obtained were as follows : first, the chlorophyll ( chi ) and carotenoid ( car ) contents in euonymus japonicus " zhuzi " seedlings decreased greatly as the cold stress proceeded, accompanied by the sharply increasing contents of mda and pmp. it shows that chi and car degradation under cold stress was correlated with the damage of the plasma membrane

    主要研究結果如下: ( 1 ) 『粗枝』大葉黃楊在低溫脅迫下,隨脅迫時間的延長,葉片中脂質過氧化物的終產物( mda )含量明顯增加,細胞質膜相對透性( pmp )明顯增大;葉綠素( chl ) 、類胡蘿卜素( car )含量降低,且其含量的降低與mda含量增加及pmp升高間呈顯著負相關,說明低溫脅迫下『粗枝』大葉黃楊幼苗chl和car的降低與生物膜的損傷有關。
  11. The magnitude of set - up is a noticed number. 2 ) the wave has improved the magnitude of bottom stress in the shallow water, and decreased the current velocity

    2 、在近岸淺水地區,考慮波浪作用后的底摩擦應力明顯增加,引起流速的減少及水位的減小。
  12. The accelerometer which has simple fabricated process and high sensitivity and small parasitic capacitance and residual stress is hybrid integrated with the interface circuit using ic nude chip. so the density of the package is increased, and the noise of the sensing system is decreased. these found the base of capacitive accelerometer module using the mcm method

    該傳感器製作工藝簡單,靈敏度高,支撐梁採用u型,減小了刻蝕后的殘余應力,用玻璃作為襯底,減小了襯底和硅可動質量塊間的寄生電容,且把傳感器晶元和用ic裸片製作的介面電路集成在一起,提高了封裝密度,減小了傳感器系統的噪聲,為採用mcm技術製作電容式加速度傳感器模塊打下了基礎。
  13. Meanwile, the frost - heave stress of all concrete with different w / c ratio decreased with the adding of mineral additives, the decreaseing extent of concrete with high w / c ratio is more bigger between them

    同時,摻入礦物摻合料的不同水灰比混凝土的凍脹應力都減小,其中高水灰比混凝土減小幅度較大。
  14. Taken together, a possible mechanism for sa improving al - tolerance of c. tora is proposed : treatments with sa promoted the al - induced increase in citrate efflux, and this resulted in the decreased accumulation of al in root tips, thereby causing a limited oxidative stress and root growth inhibition

    Sa緩解c . tora鋁毒害的可能機制:增加檸檬酸的分泌,降低根尖細胞內al的含量,減輕鋁誘導的氧化損傷,從而增強c . tora對鋁毒的抗性。
  15. It is found that cyclic loading at high differential stress level will lead to the decrease of felicity ratio, and the value max can be decreased by some crack systems in specimen. there is still a lot of ae during unloading at high differential stress level, which implies that the deformation is dominated by fracturing at low differential stress level, and the deformation by frictional sliding increases greatly at high differential stress level

    關于應力方式對巖石破裂的影響,發現較高差應力水平下的多次循環加卸載會使felicity比減小;某些構造能使巖石產生felicity效應的應力門檻值_ ( max )降低;由高差應力水平下卸載時仍有大量聲發射產生推測:在低差應力水平下,破裂以裂紋尖端的突然擴展為主;在高差應力水平下,沿已有的裂紋面的滑動破裂大量增加。
  16. For the walls poured by ordinary concrete, the emm and ttm obtain the same qualitative conclusion, despite of some discrepancies in the specific value. but for the walls poured by the scc, the restraining stress calculated by the emm is remarkably smaller than that by the ttm. in other words, the emm results shows that the shrinkage compensation technology can take place the measures of setting dilatation joints, while the ttm results indicates that, though the restraining stress is decreased, the decreased amplitude is inadequate

    對計算結果的比較和分析表明,對普通混凝土墻,結果的具體數值有差異,但反映的定性規律相同;對補償收縮混凝土墻,結果差異巨大,等效模量法認為補償收縮技術可實現無縫設計,而時程方法在承認補償收縮技術可減小約束應力的同時,認為應力減幅還不足以實現無縫設計。
  17. Abstract : an analysis on the damage of flame arrester of oil tank has been made from its structure as well as daily care. countermeasures against its disability have been presented, that is, casting the two semi - casing into one piece, leaving out the intermediat flanges, thickening the casing, and increasing the casting round - angle between the flanges and casing. in this way, the strength of casing can be enhance and local stress will be decreased. in addition, in order to enlongate the service life, the operating frequency of flame arrester should be properly reduced in daily care

    文摘:從設計結構及維護保養的角度分析了儲油罐阻火器損壞的原因,並提出了相應的改進措施,即在結構方面可以將阻火器外殼鑄為一體,省去中間法蘭,增加殼體厚度,加大法蘭與殼體之間的鑄造圓角,以增加強度減少局部應力:在維護保養方面,應適當減少操作次數,延長阻火器的使用壽命。
  18. In the result, the tensile stress which is produced because of temperature gap has been decreased or eliminated entirely. combined with some other measures, the construction and design for non - expansion joint of super - length structure has been carried out successfully

    從而不僅滿足了鋼筋混結構設計規范: 「如有充分依據和可靠措施,伸縮西安建築科技大學碩士學位論文縫最大間距可適當增大」的要求。
  19. When the stress acted on concrete specimens exceed 60 % of ultimate compressive strength, the coefficient ( k ) will increase obviously but the largest change is still within the order of 10 - 9 cm / s. the time - dependant characteristic can be expressed by the function k = ( a + ct ) / ( l + bt ). the coefficient k decreased significantly in the first 40 ~ 60 hours of the water permeability test, and the decreasing rate became slow as the time goes on

    混凝土的滲透穩定性則表現為滲透系數會隨滲透時間增加而減小,減小的趨勢是起初的40 60小時內下降最快,其後愈來愈平緩,其規律可用公式k = ( a + ct ) ( 1 + bt )來表示。
  20. Activities of citrate synthase ( cs ) increased while those of aconitase ( aco ) decreased during the al stress. this might be the reason for the al - induced increase in citrate efflux

    結果顯示,介質中50 mol lal能顯著提高根尖檸檬酸合酶( citratesynthase , cs )的活性,同時伴隨著檸檬酸含量的升高。
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