峰值應力 的英文怎麼說

中文拼音 [fēngzhíyīng]
峰值應力 英文
peak stress
  • : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. Therrnogravimetric analysis at heating rates 5, 10, 15 and 20 c / min was used to study the decomposition kinetics of the pdms / pma ipn in ni and in air by using tg and dtg, and the upper limit of the temperature was 700 c. it was found that ipn began to decomposite at 350 c. the process of the thermal degradation was multiple steps, the curve of the rate of thermal decomposition had two peaks, one of which lied between 400 c ~ 420 c and the other lied between 500 c ~ 540 c, the result corresponded to the components of ipn

    在熱分解動學研究中,通過在兩種氣氛中,分別以5 、 10 、 15和20 min四種升溫速率條件下,採用tg - dtg聯動測試, ipn材料在350開始熱分解。熱分解速率存在兩個,一個分解在400 420之間,另一個在500 540之間,這與ipn結構中包含兩組分相對,同時發現當緩慢升溫時,特別是在空氣氣氛中,兩個分解減弱,熱分解趨向於一個連續過程。
  2. The women ' s aerobic fitness ( peak absolute oxygen consumption ) was measured using a cycle ergometer

    用蹬車測器測定她們的有氧適能(絕對耗氧量) 。
  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;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,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隨加熱區域的增大呈先降低后升高的趨勢。
  4. The results show that the influences of duration and amplitude of stress wave on spallation process of rock under stress wave loading are important ; and stress wave with different waveforms is characteristic of different stress values and different stress loading ratios during the same period of time, which brings about the comprehensive effect when difform stress wave is loaded to medium

    通過對不同波延續時間、不同和不同波波形下波誘發層裂過程的數分析,對波反射誘發層裂的規律和機制進行探討。
  5. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓和速度不相容;振蕩效的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對振蕩頻率、冷效及熱效產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻率出現在高階振蕩頻率上。
  6. Fictious simulation of high - speed roll casting has been carried out on the basis of the fact. the results showed that roll casting speed increase with the decrease of the thickness of the strip, and the peak value of rolling pressure decrease with the increase of roll casting speed and thickness of strip or the increase of roll casting zone. the designed parameters of mechanical capabilities of the roll caster should be raised when rolling pressure increase with roller diameter increase

    研究結果表明,減薄鑄軋板坯厚度可提高鑄軋速度;隨著鑄軋速度降低、鑄軋區增大與鑄軋坯厚度減薄,軋制壓增大;隨著鑄軋輥徑增大,軋制壓增大,因此鑄軋機能設計參數也要相增大。
  7. The 3 batches with 7 groups of prism concrete test specimens and the 3 batches with 22 groups of cube ones were used in mechanical properties test, and a series of parameters of rpc was acquired such as prismatic strength, the cubic strength, split and pull strength, deformation module, peak strain, poisson ' s ratio

    進行三批7組稜柱體試件和三批22組立方體試件的學性能試驗,測定了rpc200稜柱體抗壓強度、立方體強度、劈拉強度、彈性模量、變、泊松比等參數,並建立了變形模量和變的擬合公式。
  8. Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc. with the development of science and technology, the prefabricated pile driving machines evolve from block hammer, steam - hammer, diesel hammer to hydraulic hammer. hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform, decrease stress peak value, prolong effectual action when it drives piles. hydraulic pile hammer is used widely and formed series in developed countries now

    液壓打樁錘是用於建築、橋梁、碼頭等樁基礎施工中打入預制樁的樁工機械。隨著科學技術的進步,預制樁施工機械由落錘、汽錘、柴油錘,發展到了液壓打樁錘。用液壓打樁錘打樁,可以調整撞擊波波形,減小,延長有效作用時間,是一種比較理想的預制樁施工機械,目前在發達國家已被廣泛使用,並形成了系列化。
  9. According to the need of design code for anti - seismic of engineering constructure, the bedrock peak acceleration rate and response spectrum of exceeding probability of 63 %, 10 % and 2 % are given respectively and seismic motion parameters are also calculated, which will provide the evidences for anti - seismic design of this electric power equipment station

    按工程建築物抗震設計規范要求,分別給出了50年63 % 、 10 %和2 %超越概率水平的基巖加速度及反譜,計算出地震動參數,為該電設備站建設提供了抗震設計依據。
  10. And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave

    在重波的傳播過程中,氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響,以氧原子的響最為明顯,而其中重波破碎在氧原子水平分佈上的反則是非線性重波過程的一個重要表現;另外,分析顯示,重波的非線性傳播對oh氣輝的分佈由明顯影響,小尺度重波的傳播有時會引起oh氣輝出現奇異的雙分佈,重波的破碎現象也可以從對氣輝的觀測中反映出來,這對利用氣輝觀測研究重波傳播特性有非常重要的指示意義。
  11. 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時間差的關系式。
  12. In order to assure the bonded - strengthened beams to have ductility and fully exert the compressive capability of concrete, the paper deduces the lower limit compressive height used in design from the plane section assumption and theory of limit destruction. the lower limit compressive height is when the strain of compressive edge fiber reaches its peak value ( 0. 002 ) and the externally bonded material reaches its limited strain ( 0. 01 )

    由平截面假定和界限破壞理論,並保證粘貼加固梁具有一定的變形能和較為充分地發揮混凝土的抗壓性能,本文以受壓區混凝土邊緣變達到變( 0 . 002 ) ,而加固材料變剛好達到極限( 0 . 01 )的界限破壞時混凝土受壓區高度做為粘貼加固梁設計高度的下限_ ( c0b ) h 。
  13. The results of the study demonstrate that under the condition of the same slendness ratio, the stability factor of axially compressed medium long concrete filled steel tube column has no relation with peak stress of the core concrete, instead, the factor will depend on peak strain of the concrete

    研究結果表明,在長細比相同的情況下,鋼管混凝土軸壓中長柱的穩定系數與核心混凝土的峰值應力無關,而取決于核心混凝土的變。
  14. Based on this test, this paper discussed the bearing performance and influencing parameters of concrete confined with cfrp, and presents its new model of pressive strength 、 peak strain and stress - strain relationship according to existed the models of stress - strain relationship which are used to calculating concrete confined with fiber reinforced polymer ( frp )

    結合試驗,本文對cfrp約束混凝土的受性能及影響參數進行了分析,基於已有的frp ( fiberreinforcedpolymer )約束混凝土-變關系模型,提出cfrp約束混凝土的抗壓強度、變及-變模型。
  15. In this paper, in order to carry out damage analysis of concrete structure, concrete ' s initial damage and damage threshold value that is some significant to the establishing of concrete damage model are studied through the stretch and compress experimentation of concrete. in addition, in view of significant of concrete damage failure in analysis of structure, in this paper rule of concrete damage failure based on both definition of damage energy release rate and drucker - prager rule are also discussed

    為了對混凝土結構進行損傷學的計算分析,本文通過混凝土試件的拉伸和壓縮試驗,利用損傷學的理論,對混凝土結構的初始損傷進行了分析,得出了具有一定參考價的初始損傷峰值應力的損傷,其對于混凝土損傷模型的建立及該模型在工程中的用具有一定的意義。
  16. Through extending the wear plate at the saddle and using the flexible saddle, the circumferential peak stress at the joint of the shell and the saddle can be decreased efficiently

    本文介紹通過鞍座上墊板的伸出和採用柔性鞍座,即能有效地降低鞍座邊角處的環向峰值應力
  17. Abstract : through extending the wear plate at the saddle and using the flexible saddle, the circumferential peak stress at the joint of the shell and the saddle can be decreased efficiently

    文摘:本文介紹通過鞍座上墊板的伸出和採用柔性鞍座,即能有效地降低鞍座邊角處的環向峰值應力
  18. The range of pressure reducing at the lower coal side - face, the position of peak stress, the concentration degree of pressure during mining the lower coal after mining the upper coal, and the relation of them are studied

    研究了上煤層開采後下煤層開采過程中,採煤工作面兩側降低區范圍、峰值應力的位置、集中的程度以及與上煤層開采時的對比關系。
  19. The peak pressure is an important parameter, which is applied in researching the characteristic of combustion in gasoline engine. the paper presents the appliation of multiwire technology in the measure of peak pressure. it provides a new way to measure pressure in cylinder and qualification to research the characteristic of combustion in gasoline engine

    是研究汽油機燃燒特性的一個重要參數,本文介紹了多線程技術在汽油機測量中的用,為汽缸壓的測量提供了一種新的方法,為汽油機燃燒特性的進一步研究提供了條件。
  20. After confirming the mix property of rpc, the 28 groups of cubes ( 70. 7mm ) the 48 groups cube ( 100mm ) and the 6 groups of prism specimens were carried out to study rpc200 strength standard, discuss the relationship between the mechanical properties ( peak strain 、 young ' s modulus and poission ' s ration ) and prismatic strength, and establish the stress - strain curve for rpc200

    在確定rpc配合比后,本文進行了28組邊長70 . 7mm立方體試件、 48組邊長100mm立方體試件和6組100mm 100mm 300mm稜柱體試件的學性能試驗,研究了rpc200的強度標準,探討rpc200的基本學指標(變、彈性模量、橫向變形系數等)與稜柱體抗壓強度之間的關系,建立了rpc200變曲線上升段方程。
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