dangerous temperature 中文意思是什麼

dangerous temperature 解釋
危險溫度
  • dangerous : adj. 危險的。 a most dangerous dog 惡狗。 look dangerous 表現兇狠(不可接近)。adv. -ly 危險。n. -ness
  • temperature : n. 1. 溫度,氣溫。2. 體溫。3. 〈口語〉發燒,高燒。
  1. 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。
  2. We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss

    我們使用有限元分析法,通過建模,計算轉子溫度場、應力場,得到最危險截面,然後對危險截面進行在線監測,計算實際運行中的疲勞壽命損耗和蠕變壽命損耗,為安全經濟運行提供有效監控手段。
  3. This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed

    本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。
  4. 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。
  5. He said that the most commonly found dangerous goods inside baggage at hkia were lighters, perfume or toiletry items, aerosols or gas cylinders for medical or sporting uses, signal flares, gas torches, and household items such as adhesives, polishes, bleach and drain cleaner. these items could be a danger when transported by air due to sudden temperature and pressure fluctuation and vibration

    他表示,在香港國際機場處理的行李內,經常發現的危險品包括打火機、香水或梳妝物品、醫療或運動用的噴霧罐或氣罐、訊號彈、以氣體燃點的點火器和接合劑、擦亮劑、漂白劑和溝渠去污劑等家居用品。
  6. This temperature calculation method avoids the non - correspondence between the flow rate and heat flux, which may exists in that used by boiler manufactures, and was employed to calculate the tube temperature of dangerous position that concerns with the retrofit scheme of superheater 1 of tower type coal - fired 330 mw once - through boiler in pucheng power plant for 100 % and 50 % operation load

    針對蒲城電廠330mw塔式燃煤直流鍋爐1號過熱器的改造方案,利用本文提出的方法與電廠鍋爐常用的壁溫計算方法分別計算了100 %與50 %鍋爐運行負荷下危險部位的壁溫。
  7. Actual measure and numerical simulated forecast analysis of dangerous position freeze temperature field of deep topsoil layer

    深厚表土層危險層位凍結溫度場實測與數值模擬預測分析
  8. Based on mechanics of fracture, and regarding thermal stress caused by temperature difference and static hydraulic pressure caused by fracture water as the main factors, the forecast of collapse period of dangerous rock is researched through different combination forms of fracture types, then a way to calculate collapse period of dangerous rock is provided

    摘要以斷裂力學為基礎,以溫度差引起的熱應力及裂隙水引起的靜水壓力為主要影響因素,通過不同的斷裂類型組合形式研究了危巖垮塌的周期,提供了一種計算危巖垮塌周期的方法。
  9. As the dangerous position needed to be verified has been identified with the known heat flux profile and the characteristics of flow rate distribution, the metal tube temperature of the position can be obtained

    此方法克服了目前常用的電廠鍋爐壁溫計算方法中校核點工質流量與熱負荷並不一定互相對應的缺點。
  10. Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of

    熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。
  11. The results show that at the initial stage, the temperature difference between internal and external wall surfaces is considerable and the temperature distribution is not uniform ; the initial stage belongs in dangerous time period because of the considerable temperature stresses

    試驗結果表明:加載初期儲罐內外表面溫差較大且分佈很不均勻,是罐壁產生較大溫度應力的危險時間段。
  12. Chinese sandskindog ( shar pei ) has eight brothers and sisters inthis nestthey looked lovely real character only a month years, this time their food mainly suck the breast enough to eat people food that they are ready between is a dangerous period for them because weaning, their immune capacity affected small bacteria and the environment changes, will likely become very serious, lying in the sun was, injecting medicine to help them prevent disease, have been effective, greenhouse, because the sunlight, temperature, asleep

    中國的沙皮狗兄弟姐妹有8個性格溫順表情可愛實際只有一個月這時候她們的食品主要是吃奶過不了多久要吃別人給他們準備的食品這之間是一個危險的時期,對於她們來說因為斷奶,她們的免疫能力受到影響,小小的病菌和環境的改變,可能都會變得很嚴重,曬太陽,注射針劑,幫助她們,防止疾病,都是有效的,溫室里,因為陽光,溫度升高,睡著了。
  13. B and the self - combustible temperature shall not be lower than t4. installed in a place of dangerous gas of area

    B組,自然溫度不低於t4 135組別,區或區的
  14. I argue that the level of dangerous anthropogenic influence is likely to be set by the global temperature and planetary radiation imbalance at which substantial deglaciation becomes practically impossible to avoid

    我認為,危險人為干擾的全球暖化認定標準,最好根據全球溫度及地球輻射的不平衡來設定,底限是不要讓冰川消退量達到失控的程度。
  15. According to specialists ? experience, such dangerous factors as water temperature, water pressure, oxygen density in the tank, the temperature and pressure of water vapor, ect. as well as control rules are made out in safety regulations for oil tankers. by using fuzzy logic ( min - max reasoning ), all sorts of fuzzy information are processed so as to simplify the control procedure in addition to realize it

    其方法是利用模糊邏輯控制的優點,不需建立精確的數學模型,根據專家的經驗,油輪安全規則制定出各危險因素(如水溫,水壓,氧氣濃度,壓力,溫度等)的模糊隸屬函數和一系列的控制規則,利用模糊邏輯( min max )來處理各種模糊信息,使整個推理過程運算簡單易於實現。
  16. The paper thoroughly introduces the temperature field and stress field on the dangerous cross - section of the rotor and the computing methods of life - loss and puts forward some viewpoints on the improvement of on - line life stat

    文中詳細介紹了轉子危險截面上溫度場、應力場和壽命損耗的計算方法,提出了有利於完善在線壽命統計的幾個方面。
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