range of strain 中文意思是什麼

range of strain 解釋
負荷范圍
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  • of : OF =Old French 古法語。
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. The design of temperature sensor realizes bare fiber temperature characters and strain insensitivity of capsulated components in the range of 30 ~ 85, which guarantees their high stability and repeatability

    溫度傳感器的設計結構在30 ? 85的溫度變化范圍內有效的實現了封裝元件的裸刪溫度特性及應變不敏感性,保證了其高穩定性和重復性。
  2. Zircaloy - 4 sheet, which was cold - worked followed by recrystallization annealing, exhibits longer lcf life in the rolling direction than that in the transverse direction, and the fact that difference in lcf life between both directions becomes larger as the range of plastic strain becomes lower can be attributed to the texture effect, p - solution treatment deteriorates the alloy ' s lcf property because the treatment lowers the average value of alloy ' s schmid factors, and the subsequent annealing - treatment in a - phase range has a impact on the lcf properties, i. e. the subsequent annealing - treatment at 500 ? for 1. 5h results in better property than that at 750 for 1. 5h, which comes mainly from the fact that the alloy annealled at 500 for 1. 5h has lower amount of the precipitate particles than the alloy annealled at 750 for 1. 5h

    對于冷加工后經再結晶退火處理的zr - 4合金,軋制方向的低周疲勞壽命比橫向要大。隨著_ p的降低,兩個方向的低周疲勞壽命的差別相應增加,這是由於合金中存在織構的緣故。冷加工后經再結晶退火處理的zr - 4合金在固溶處理后,抗疲勞性能明顯降低,這主要是由於固溶處理降低了合金的schmid因子;固溶處理后在相區的退火對疲勞性能有影響,即500 1 . 5h退火的抗疲勞性能要優於750 1 . 5h退火,這主要與500 1 . 5h退火的合金中沉澱相粒子的數量較少有關。
  3. It is indicated in the test that the influence of loading to strain in the grout was about in the range of 5 ~ 6m, and very weak beyond 4m. the distributions of strain and bond stress in the grout are attenuated in the minus exponential rule

    試驗結果表明,加載對錨固段內的應變影響范圍大致在5 6m左右, 4m以外很微弱;錨固段注漿體內的應變與粘結應力分佈按照負指數規律衰減。
  4. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其最適生長及固氮的溫度為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性最強;在偏酸和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較高的固氮酶活性,並能通過調節自身代謝平衡並適應環境的酸、堿性變化,使培養液趨于中性:能耐受較高的滲透壓,培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大,當naci濃度升至2時,菌株的生長勢及固氮酶活性才有所下降:低濃度的鉸對其固氮酶活性影響不大,在0
  5. It is studied that the activity against eumycetes of the fermentation filtrate ( 16h ) of strain jw - 725 is the strongest. the optimum nutritional sources are wheat bran and soya bean meal. the fermentation filtrate reserved under 4 still has bioactivity after 20 days or so, but its bioactivity decreases much while being treated under high temperature. the ph of fermentation filtrate has much influence upon the bioactive substance, and it remains activity at the range of 5

    發酵液在4下保存20天左右仍有抗菌活性;但經高溫處理后,其抗菌活性降低很多; ph對抑菌物質的生物活性影響比較大,抑菌物質保持活性的ph范圍是5 . 0 7 . 0 。分離到的多粘芽孢桿菌( b polymyxajw - 725 )對柑橘青黴菌( p
  6. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  7. Presents the microstructure evolution in aluminum a nd copper after deformation by cold rolling in the strain range of 10 to 50 % red uction using tem and points out three types of dislocation structures are typica l and two of them are common for both materials and these two common types are f ound in non - cube grains and can be distinguished by crystallographic orientatio n of dislocation boundaries in the grains and the third type of structure is obs erved in cube grains, and concludes that grain orientation is important in deter mining the structure type but some other metallurgical parameters also have a ro le to play

    採用tem對冷軋多晶銅與多晶鋁的形變顯微組織演變進行了對比研究.結果發現:多晶銅及多晶鋁形變顯微組織中均含有三類典型的位錯結構類型,其中的兩種結構特徵在兩種材料中是相似的,這兩種類型結構存在於非立方取向晶粒,可通過晶粒中位錯邊界的晶體學取向加以區別,另一類型結構存在於立方取向晶粒;晶粒的晶體學取向決定了其形變顯微組織類型,但其它冶金學因素對顯微組織也有影響
  8. The alloys, which were cold - worked followed by recrystallization annealing, display cyclic softening in the range of low strain because the cyclic stress - strain curve lies below the monotonic stress - strain curve, and show cyclic hardening in the range of high strain because the cyclic stress - strain curve lies above the monotonic stress - strain curve

    在低應變范圍,冷加工后經再結晶退火處理的錯合金的循環應力一應變曲線位於單調拉伸曲線的下方,表現為循環軟化;在高應變范圍則位於單調拉伸曲線的上方,表現為循環硬化。
  9. Through the test of the four prestressed steel wires at elevated temperature around the range of 20 to 800, the thermal strain of the four prestressed steel wires under stress is studied, the main reasons of the thermal strain are analyzed, and the computation equations are listed

    摘要通過對4種常用的預應力鋼絲在高溫下的試驗,研究了4種預應力鋼絲在不同應力水平下,在20 ~ 800范圍內的變形性能,並分析了熱應變產生的主要因素,給出了相應的計算公式。
  10. As the main method of measurement in the tests, some strain measuring points are arranged on the reinforced steel bars of the anchor bearing body. the changes of strain with different loading levels at their locations have been measured, through which range of influence and distribution of strain with loading in grout can be investigated, and corresponding distributions of axial force and bond stress are calculated according to hooke ' s law. making use of nonlinear curve fitting, distribution equation of bond stress of the fixed unit anchor length is achieved

    試驗測試手段通過在錨索承載體上布設應變測點,觀測錨索在不同的荷載級別下的應變變化情況,對不同荷載級別下,單元錨索注漿體內應變的影響范圍及分佈規律展開分析,依據虎克定律計算出了其軸力與粘結應力的分佈;並對測試結果進行了擬合,得出了錨固段粘結應力分佈的擬合方程。
  11. These essential component, hemagglutination, toxicity, immunogenicity of mycoplasma hyopneumoniae strain xy - 1 membrane protein were studied. the range of membrane protein mw is from 14kd to 100kd by means of sodium dodecyl sulfate - polyacrylamide gel electrophoresis, and molecular weights of the protective antigens were 36kd and 64kd by sds - page

    本研究以分離豬肺炎支原體野毒株( xy - 1株)的膜蛋白為試驗材料,系統地研究了膜蛋白的分子量范圍、血凝性、毒性及免疫原性等。
  12. If the two - equation turbulence models employ a linear relationship between the reynolds stress and the mean strain - rate tensors, this relationship is known as the generalized boussinesq model, the two - equation models can be extended for a wider range of applicability by developing more advanced nonlinear algebraic relations between the stress tensor and the mean - velocity gradient and the turbulent scales, this is known as explicit algebraic stress models ( easm )

    另一個是構成模型,即決定應力張量、應變率張量和兩個湍流尺度因子之間的函數關系式,它決定了雷諾應力。如果構成模型是線性的,則為boussinesq渦粘模型( evm ) ,如果構成模型是非線性的代數關系式,則為顯式代數應力模型( easm ) 。
  13. Based on the microscopic tem and sem observations, relationships between dislocation structure and rate - dependent / rate - independent behaviors under certain range of temperature and strain rate were presented. interactions between grain boundaries and dislocations were analyzed

    利用tem 、 sem分析手段,觀察到一定溫度和應變速率區間內率相關與率無關變形的位錯組態區別,及晶界對位錯的不同作用。
  14. A review on maize dwarf mosaic disease is presented, including its symptom, distribution, damage, host range, viral strain, viral transmission and control method. future directions for the research of maize dwarf mosaic disease are also recommended

    介紹了玉米矮花葉病的癥狀、分佈、危害、寄主范圍、病毒株系、病毒傳播及防治方法等方面的研究進展。
  15. For the cyclic deformation under a given strain at room temperature, cyclic softening is usually displayed till to failure in the lower range of strain ; however, cyclic hardening is displayed in the early stage in the higher range of strain, subsequent cyclic softening in the later stage and till to failure

    對于室溫下恆應變幅的循環變形,在應變幅較低時表現為循環軟化直至疲勞破壞;在應變幅較高時,循環變形的初期為循環硬化,隨后是循環軟化直至疲勞破壞。
  16. The aim of this paper is to search for practical nonlinear viscoelastic relations and the solution approach for viscoelastic problems in the range of infinitesimal strain

    本文的研究目的在於尋找小變形范圍內工程實用的非線性粘彈性本構關系及非線性粘彈性問題的求解方法。
  17. Experimental result shows that electrical - resistance strain gages can respond well in the frequency range of artificial excitation by impact hammer, at the same time, the experimental scheme brought forward in this paper makes the experimental setting simple and can be manipulated easily as well as can display the excitation and response expediently and synchronously on digital oscillograph. the impact hammer can implement half - sine load

    結果表明,電阻應變片在力錘激勵頻段內可以有很好的響應,從而使實驗裝置簡單,方便操作和使用;同時實驗結果顯示出本文採用的實驗方案可以方便地將激勵和響應同步地顯示在示波器上,並且利用力錘可以實現規則的半正弦加載。
  18. The ze10. 006 is a highly reliable device which can link an analogue strain - gauge transducer to a wide range of analogue equipment

    Ze10 . 006是一款高可靠性的設備,它可將一臺模擬應變傳感器連接到許多模擬設備上。
  19. It roundly expatiated theory of microbent single - mode optical fiber ' s strain sensor and connections of dynamic range and distributing magnitude of strain sensor

    全面闡述了單模光纖微彎應力傳感原理及應力傳感器的動態范圍與分佈個數的關系。
  20. A solution to make a convention between strain and data processing by the direct data from the complex in a range of elasticity and plasticity are given

    摘要根據彈塑性力學全量理論及工程假設方法,給出了一種新的應力應變關系表述函數。
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