長周期試驗 的英文怎麼說

中文拼音 [zhǎngzhōushìyàn]
長周期試驗 英文
long period test
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 試驗 : trial; experiment; test
  1. The modern robust design detailed the robust design based on engineering model, which explained the specific design process, the whole process from founding system model to solving it. it obtained the optimum combination of parameters and the maximum manufacturing errors, using fuzzy comprehensive judgment to dispose the problem of many targets, handling the design results by fuzzy probability to increase the reliability of the design. in the end, there supplied an example, the optimization design of a long distance hydraulic cylinder to interpret the specific design process, achieving its optimum combination and the maximum manufacturing errors, and verifying the practicability of the design results by the method of fuzzy probability analysis

    在第二部分的基於設計的穩健設計中,先對傳統的穩健設計,即三次設計(功能設計、參數設計及容差設計)的設計過程及原理進行了分析,指出了傳統穩健設計法中的不足,即沒有充分利用數字計算機的強大優勢;對于多因素多指標的設計,、計算復雜等造成設計、成本高、效率低等缺點提出了改進的措施,即將虛擬現實技術應用於傳統的穩健設計中,通過模糊數學的方法(模糊綜合評判)來處理設計中的多指標問題,使設計達到事半功倍的效果。
  2. But the investment for experiment is too large, and the experiment cycle is too long. this will restrict the research on the theory of wind effect on bridge

    然而橋梁風洞的設備投資大,費用高,,這在很大程度上限制了大跨橋梁風振機理的研究。
  3. The test quantum is generally small due to the extremely complexity of modern weapon systems, high expenses and long cycle of the tests, which makes the demonstration methods of gjb more difficult to be put into practice

    由於現代武器裝備系統復雜,費用昂貴,且,因而現場的次數往往比較少,而國軍標中的方法需要較多的樣本量,使其在實際工程中難以應用。
  4. At its liquid fermentation culture process, the most appropriate carbon source is glucose and white sugar, while the most appropriate nitrogen source is ammonium tartrate. the results also indicate that cg grows best between ph value 6. 0 - 8. 0, in which its growth period is about 15 days, and the best inoculating amount and the liquid capacity are respectively 10 - 15 % and 100 - 200ml. all these results will provide the theory bases for the reproducing of cenococcum geophilum

    其液體培養最適碳源為葡萄糖、市售白糖;最適氮源為酒石酸銨。在ph值為6 . 0 - 8 . 0之間生最快,其生為15d左右,最佳接種量和裝液量分別為10 - 15 %和100 - 150ml 。以上結果為土生空團菌的擴大繁殖提供了理論依據。
  5. Theoretical models were used to predict the effects of microcrack - density to effective tensile modulus of cf / ep laminates for long - term duration exposure for it difficult to get from tests. a uniaxial zero - expansion model was established based on the analysis of thermal stress and the coefficient of thermal expansion of the laminates

    由於受到的限制,對于暴露于空間環境中的層合板材料,其有效拉伸模量很難用方法直接測量,本文採用理論模型進行分析。
  6. Drawing piece unfold size is one basic condition under the calculation on coefficient, number of drawing, handbooks or books of press are not given, practice press production, die designer designs drawing die by experience calculation, after testing, according to deformation, state, defect shape of testing blank, shape and unfold size is revising, finally, unfold size and shape of blank are determined, designing period is longer, cost of die and work piece is to raise, economic benefit is to reduce

    拉深件展開尺寸是拉深可行性分析中計算拉深系數與拉深次數的前提條件,現有沖壓手冊或教材對于復雜拉深件的展開尺寸計算尚未論述。復雜拉深件的沖壓生產中,模具設計者憑經估計拉深可行性,設計製造拉深模進行反復壓,根據壓件的形變狀態,缺陷形貌,制定坯料展開尺寸和形狀,,因而生產成本高,經濟效益不佳。
  7. By studying the growth speed on its culture media and the growth pattern, we selected the most appropriate one as the culture media for cg and detailed in the selection experiments of ph value, carbon and nitrogen source, the growth period, inoculating amount and the capacity of oxygen accommodation

    通過對其在培養基上生速度、生物量及生規律的研究,篩選出最佳培養基作為基礎培養基,進行ph值,碳、氮源、生以及接種量和溶氧量
  8. By adding high pressure water cleaning, hot water washing and optimization of bubble point test and filter core assemble process, the energy was saved, the consumption was reduced, the cleaning effiencency and quality was improved, the lifetime of filter was prolonged, the safety hidden danger of the process in pet production was removed

    摘要闡述了通過增加一道高壓水清洗、熱水洗以及對泡點和過濾芯組裝等過程的優化,達到節能降耗,提高清洗效率,延了過濾器使用,消除了此工序給聚酯生產帶來的安全隱患。
  9. It was shown that salt expansion value of low liquid - limit clay was accumulated before the sixth freezing and thawing cycles, but the increment of salt expansion was reduced gradually with increasing cycles ; the salt expansion accumulation of low liquid - limit clay could be separated into three phases ; the deformation of clayey sand was mostly frost heave and subsidence under cycles, and collapsibility value of clayey sand was accumulated with increasing cycles ; the variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles

    結果表明:低液限粘土前五次凍融循環過程中鹽脹具有較好累加性,隨著凍融循環次數的增加,鹽脹量增速度逐漸降低;含砂低液限粘土的鹽脹過程可以被分為三個階段;粘土質砂在凍融循環過程中的變形主要為凍脹和沉降變形,具有較好的溶陷累加性;低液限粘土、含砂低液限粘土的鹽脹率和粘土質砂的溶陷率與凍融之間的關系符合二次拋物線變化規律。
  10. The results of experiment shows : l / d10, rate of filtration, filtration - supporting agents have bigger influence to filterability. the optimal combination of certain parameter of l / d10, rate of filtration, filtration - supporting agents can improve filterability obviously, get better quality of water outlet, extend the filter cycle, improve periodic quantity of water produce

    結果表明: l d _ ( 10 ) 、助濾劑、濾速這3個因素對過濾性能有較大的影響;一定參數的l d _ ( 10 ) 、助濾劑、濾速的優化組合能明顯改善過濾性能,取得較好的出水水質,延過濾,提高產水量。
  11. Based on java, virtual reality & multi - media technics, and inherent characters of metal creep experiment ’ s temperature higher and periods longer, the system of virtual metal creep experiment, which is the core of the system and one of the abnormal metal mechanical experiments, is designed and developed on j2se platform by using jbuilder 、 java 3d 、 vrml 、 x3d 、 xj3d 、 3ds max & pro / engineer as main tools

    基於java 、虛擬現實、多媒體技術,運用jbuilder 、 java3d 、 vrml 、 x3d 、 xj3d 、 3dsmax和pro / engineer等為主要開發工具,針對一般金屬蠕變溫度高、的局限與特點,在j2se應用開發平臺下設計和研製了以非常規的金屬力學性能? ?金屬蠕變為核心內容的金屬蠕變虛擬系統。
  12. The rule ansi / asme ptc6 is the most accurate and popular used rule for steam turbine thermal performance test. it is difficult to use a standard calculation method to analyze the economic performance of different steam turbine thermal system, so the process of a steam turbine thermal performance test is too long, and many peoples are needed

    由於汽輪機熱力系統的多樣性,性能需要採集的參數以及性能計算的過程也不一樣,對于性能計算工作,目前各個測單位仍然以手工計算為主,使得整個性能,並且計算結果和計算人員的分析有關,評價精度難以保證。
  13. To meet the increased regulatory requirements on emission and fuel economy, the electronic control units ( ecu ) for engine is becoming more and more complex, which also makes its exploitation more difficult. the traditional method of debugging ecu through bench tests is almost outdated for its high cost, long exploitative period, unstable environment, etc. the substitute is found to be hardware - in - loop simulation

    為了滿足日趨嚴格發動機排放和燃油經濟性法規限制,發動機電控系統( ecu )的功能復雜程度在不斷提高,相應的開發難度也在不斷加大,通過臺架來逐步調ecu的傳統方法由於耗費大量人力物力,開發,調環境不穩定、可重復性差等缺點,已難以適應ecu系統快速升級換代的需求,對此可採用硬體在環模擬技術予以解決。
  14. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和極限強度出發分析了路面早破損的原因,全面系統地進行了交通參數的分析,提出了當量軸次增率、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載換算方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚度計算(包括疲勞強度標準和極限強度標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚度計算的具體步驟,最後通過證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價值。
  15. Abstract : abstract : using the method described in the paper , the different group samples are nermalized to obtain reliability data of producs with long lifetime in shorter testing cycles

    摘要:摘要:對所選取的不同批樣本進行歸一化處理后,就可以在較短的內獲得較壽命剖面上產品的可靠性數據,使可靠性評估工作變得可行,評估結果可信、合理。
  16. But it takes much time to tune the exciting force, and the testing precision is decided much by the operator ' s experience

    但純模態,且識別精度在很大程度上取決于操作人員的水平和經
  17. The full - digital servo control system of satellite antenna has already passed the whole satellite payload system test. the result shows that the system has good speed stability, high precision scan period and can work reliably under the simulative space environment

    本文所設計的衛星天線全數字伺服系統已通過衛星有效載荷系統的聯,結果表明:該系統具有較高的轉速穩定性和高精度的掃描,可以在外太空模擬環境下可靠地運行。
  18. However, the rigid bed models are also limited by several shortcomings, such as the large quantity, the long period, and the high costs. moreover, the resistance similarity, the distorted ratio, and the model scale are also with problems

    但定床模型除有工程量大、、費用高等局限外,還存在阻力相似、變態率和模型比尺的限制等問題,因此有必要進行深入細致的研究。
  19. Nevertheless, the fatigue testing machines existing nowadays are weak in testing precision and testing efficiency

    而現今存在的疲勞機的測精度較低,測
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