深裂紋的 的英文怎麼說
中文拼音 [shēnlièwénde]
深裂紋的
英文
deep-fissured-
The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature
本文以高聚物粘結炸藥為研究對象,對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ ( ic )的計算等方面進行深入研究,建立了較為完善的炸藥平面應變斷裂韌度測試方法。But the deep, multiple fault lines that the row is laying bare ? both within the atlantic alliance, and between the alliance and russia ? seem all too reminiscent of cold - war politics at their dismal worst
但是深處的多重裂紋凸露出來? ?不僅在北約內部,而且在北約和俄羅斯之間? ?似乎極度憂郁地(表現出)對冷戰政策的懷念。He did not know her, and she was speculating on the division made bare by their degrees of the knowledge, a deep cleft.
他不了解她,她思索著由於他們知識水平的不同而造成的赤裸裸的分裂,這是一個深深的裂紋。Beige travertine, can be processed into 305 standard specification product and also can be processed unusual style mosaic, which is popular in home and abroad
我公司供國產米黃洞石,可用來加工305規格板,也可加工洞石馬賽克及冰裂紋等產品。加工出的產品古樸典雅、美觀大方,具有返璞歸真之美,深受國內外客戶的青睞。After reading a large amount of domestic and international about shaft research materials, the thesis combines the concrete experimental condition of the laboratory, and the crankshaft crack modal parameter characteristic go on the theoretical research at different depth different position to smoothshaft, experimental study, test data processing, diagnose system developing work ect
本論文在閱讀了大量國內外關于軸裂紋檢測的研究資料后,結合實驗室的具體試驗條件,對光軸和曲軸裂紋在不同深度不同位置時模態參數特性進行理論研究、試驗研究、試驗數據處理、診斷系統開發等工作。The effect of different depth crackle to curvature mode was stood out as an emphasis
文中重點突出了深度不同的裂紋對曲率模態的影響。Calculations of tearing energy of different crack depths and different loads have been done for double shear testpiece with interface cracks. at last, the relationship between tearing energy and crack depth has been given, so has the relationship between tearing energy and load
根據有限元結果計算出不同裂紋深度、不同載荷下的撕裂能,分析了試件的撕裂能與裂紋深度與載荷的關系。As it is difficult to obtain the accurate analytical solutions for the stress constraints of general 3d cracks, we have conducted systemically detailed researches on the out - of - plane stress constraint by finite elements ( fe ) and proposed a two - parameter description of non - through thickness 3d crack fields. several problems in damage tolerant design were also investigated based on continuum mechanics and probability theory
三維應力約束對精確預測結構破壞不可缺少,因此,本文採用三維有限元等方法基於連續介質力學、概率論等理論,對典型三維裂紋尤其是非穿透裂紋系統深入地開展了三維應力約束理論計算、三維裂紋端部應力場描述以及結構三維損傷容限設計的研究。Though great progress has been achieved on researches on the design theory, structural type, structure details and construction method of the composite bridge, there are still many problems, such as crack control of the concrete deck, influence of the connecting rigidity over the structural mechanical characteristics and mutual depende ncy between design and construction, need deeper researches for better solutions
對組合結構橋梁的設計理論、結構形式和構造細節、施工方法等方面的研究已經取得了很大進展,但仍然存在許多問題需要深入研究和完善,例如:混凝土板裂紋控制、接合剛度對結構受力性能的影響、設計與施工的依存性等。Utilizing the principle of the smoothshaft to open 0. 4 mm crankshaft to the width of crack : ( 1 ) when it compares with one position crack, crankshaft natural frequency as crack depth than increase and reducing constantly
利用光軸的原理對裂紋寬度為0 . 4mm的曲軸進行研究得出: ( 1 )裂紋同一位置比時,曲軸固有頻率隨著裂紋深度比的增大而不斷減小。Additionally, the experiment also studies the effect of crack depth on reinforced concrete beams. the result indicates : whatever adhesive mode is taken, it is true that the deeper the crack is, the more notable the effect is
另外試驗還對裂紋深度對加固效果的影響進行了分析,結果表明:不論採用什麼樣的粘結方式加固,裂紋深度越大,則加固的效果就越明顯。Curvature mode can be used to carry out qualitative analysis to damage degree of structure. experiment shows that curvature mode value will increase with the increase of the crack depth. it is conform completely with the theory
實驗表明,隨著裂紋深度的增大(也即損傷程度的增大) ,曲率模態值也隨之增大,這與理論是完全相符的; ( 3 )在保證測量精度的前提下,該方法可用於工程實際的應用中。It has been found that the depth of crack and fracture toughness of material can be expressed by weibull distribution, ratio of depth to length of crack and strength of material can be expressed by logarithmic normal distribution and normal distribution respectively
對該管道主要隨機變量的統計分析表明,裂紋深度和材料的斷裂韌性表現為威布爾分佈,裂紋深長比表現為對數正態分佈,材料的屈服強度和拉伸強度表現為正態分佈。A static and a transient analysis of an embedded crack in a long elastic strip are carried out. the results are approximate to the ones that existed. and the effects of the factors including the crack configuration, the crack depth, the strip length and the strip thickness on the transient response are discussed
對含內埋橢圓裂紋的板條進行了靜態和瞬態分析,得到的結果與已有的解吻合良好,對影響瞬態響應的因素如裂紋形狀、裂紋深度、板條長度、板條厚度做了分析比較。Thirdly, through assaying the error generated during measuring data, the result manifests : 1 ) the location installed of the transducer and the point thumped affects the experiment result to some extent. if surface - opening cracks is deeper, the location of the transducers installed and the point thumped should be further away from the location of surface - opening cracks. 2 ) when the depth of surface - opening cracks is near to 50mm, it is very difficult to measure the depth of surface - opening cracks because the depth of r _ wave conveying in concrete plates from the different small ball bringing forth exceeds 50mm. 3 ) it is clear from the experiment result, the influence is n ' t big for the diameters of small balls to measure the data while the time interval between two transducers touched firstly has very big influence on the result
其次,對測量數據進行了誤差分析,結果表明: ( 1 )傳感器及敲擊點的位置對實驗結果有一定的影響,當開口裂紋的深度較深時,傳感器和敲擊點的位置應該離裂紋較遠; ( 2 )當開口裂紋深度接近50毫米時,由於實驗中所使用的小球產生的r波傳播深度均超過50毫米,故很難測量出其開口裂紋的深度; ( 3 )實驗發現,小鋼球直徑的大小對裂紋深度的測量結果影響並不是很大,但是,波的開始上升和下降點的測量精度(即兩信號的時間延遲) ,對測量的結果有很大的影響。Nondestructive testing is a very important and difficult research lesson about the defect of concrete structures. this paper mainly measures the stress waves conveying in concrete structures and the depth of surface - opening cracks in concrete plates by using impact echo method after carefully reading a lot of articles about the state and the abroad of concrete nondestructive in the field and incorporating the special conditions on the laboratory
混凝土結構物的缺陷的無損檢測是一個非常重要而又非常困難的研究課題,本論文在大量參閱了國內外關于混凝土結構物無損檢測的研究資料后,結合本實驗室的具體條件,應用沖擊反射法集中對應力波在混凝土板塊內傳播速度和混凝土結構物內部開口裂紋深度的測量等一系列問題展開了研究。Abstract : this paper deals with the process methods to eliminating theextruded crazes by increasing the punch diameter and hole surface finish. the plans for extruding the deeper hole articles are feasible
文摘:研究了消除深孔薄壁擠壓零件產生裂紋的措施,提出了用增大芯軸對孔的過盈量來提高金屬塑性及內孔壁光潔度的方法,消除了裂紋的產生,製造出了使用性能較好的零件。Secondly, according to the theory of impact echo method examining flaws, the road surface and the bridge surface are aimed as study targets, four concrete plates are made with differently deep surface - opening cracks. using the experimental system of impact echo method made by sansalone etc., this paper measures the stress waves velocity conveying in concrete plates by using one transducer or two transducers, and measures the depth of surface - opening cracks in concrete plates by using two transducers, and then the important data are attained
接著,根據沖擊反射法檢測結構物缺陷的原理,以路面和橋面的開口裂紋為研究對象,製作了帶有不同深度開口裂紋的混凝土板塊,使用sansalone等人開發的沖擊反射法實驗系統,用單傳感器和雙傳感器分別對混凝土板塊內應力波傳播的速度和不同深度的開口裂紋進行了測量,得到了重要的實驗數據。In the latter, the non - linear dynamic stabilities of the single rotor system with a crack are researched. the non - linear differential equ ations have periodic coefficients. and using the stability theory of the periodic motion, it is discussed that the thickness of the disk, the position of the disk and the position of the crack have effects on the dynamic stabilities
首先簡單討論了含裂紋的單盤轉子系統的線性動力穩定性,並與相關的文獻作出比較,驗證了等效線彈簧模型的正確性和精確性;然後,討論了含裂紋的單盤轉子系統的非線性動力穩定性,得到了一組具有周期系數的非線性微分方程組,且利用周期運動的穩定性理論進行了求解,深入討論了盤的厚度,盤所處的位置和裂紋所處的位置對轉子系統動力穩定性的影響。At last, base on the windows2000 operation system, the soft wrap of impact echo examining system is explored by using the language matlab6. 1. the soft can achieve some function, including calculating the velocity of p _ wave in concrete plates by using one transducer or two transducers, amounting the depth of surface - opening cracks in concrete plates by using two transducers and measuring the depth of highway
最後,基於windows2000操作平臺,用matlab6 . 1語言編制了沖擊反射法測量系統的軟體包。此測量系統能具有用單傳感器測量波速、用雙傳感器測量波速、用雙傳感器測量混凝土板塊開口裂紋的深度和測量公路路面的厚度等功能。整個系統具有友好的人機界面,操作簡單,計算快捷,結果的顯示直觀。分享友人