斷裂系數 的英文怎麼說

中文拼音 [duànlièshǔ]
斷裂系數 英文
break factor
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 斷裂 : break; disrupt; flying off; fracture; fragmentation; out break; rift;crack;bursting;rupture;rendi...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫定年實驗室的改進入手,進而建立了激光~ ( 40 ) ar ~ ( 39 ) ar定年實驗室,利用這兩種先進同位素地質定年方法,結合其他手段,對青藏高原腹地和北緣的阿爾金多期地質事件進行了詳細的同位素年代學研究:一、參照國際先進實驗室的流程,對我們的常規~ ( 40 ) ar ~ ( 39 ) ar階段升溫實驗室在樣品的預處理、樣品的照射條件和統空白測量及校正等方面進行了改進,使之產出的同位素年代據更可靠並為國際同行所承認。
  2. The fractal dimension of the different geotectonic elements was calculated and the relation between the fractal distribution and the damage evolvement was given in this paper

    摘要計算了不同大地構造單元的構造的分形維,給出了其分形維與損傷演化的關
  3. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、層涌水的地球化學分析等工作基礎上,指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致;運用州sys值模擬了大地熱流向地表傳導背景下的盆地地溫場,從而揭示了盆地基底(義縣組)頂界面地溫分佈特徵;闡明了盆地具有形成中低溫對流型地熱統所必需的導水、補給水源等的良好條件,中低溫對流型地熱統是地熱勘查的主要對象;圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  4. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和機理,並利用hopkinson高速壓桿沖擊實驗統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  5. Moreover, base on lots of test data, fatigue life estimation is finished by help of miner, opposite miner rule and fracture mechanics theory. theoretic results and test data are well fit to each other

    另外,本文在大量試驗據的基礎上,依據miner法則、相對minar法則以及力學理論,對40cr高強螺栓的疲勞壽命估算進行了統研究,理論分析結果與試驗值的規律性吻合較好。
  6. The paper analyzes the occurrence regularity of rock burst of about 263 times in laohutai mine field by database, the osculating relations of rock burst and active faults were summarized

    摘要應用據庫對老虎臺井田其發生的263次沖擊地壓之統計分析表明,巖體動力現象與活動有密切關
  7. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含量等參,實現混凝土理論強度的計算;第五章對第四章模型中出現的模型參進行了相應的試驗據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  8. Jiyang depression is a field where nonhydrocarbon is rich. these resources have close relation with the activities of the volcanos. at the same time, the activities of volcanos have deep contact with the activities of the faults. the growth of the faults in jiyang depression is great. by the research of the index number of the faults growth and the other researches, nw direction faults are the most ones in mesozoic, nw and ne and approximately ew directions all exist in cenozoic. the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic, but dextral shearing stress field exists in cenozoic

    這些氣藏與火山活動有密切的成生關,同時火山活動與活動也有密切的關。濟陽坳陷內活動極為發育,通過層生長指等的分析,推中生代以北西向為主,新生代則兼有北西向北東向和近東西向的,上述發育特徵反映了該區的大地構造背景,在中生代是左旋的剪切應力場,在新生代則是右旋的剪切應力場。
  9. Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model

    在河海大學符曉陵副教授所編制的平面結構有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-有限元程序包,程序採用平面八結點等參單元分析計算平面結構在外荷載作用下損傷及宏觀縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關(即正交異性損傷模型中的本構方程)和指模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。
  10. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹在550左右發生明顯的變化。
  11. According to the result of analysis, it is advisable to invoke the general evaporation model should the avoidance of the overestimation on the strain energy release rate for very thin package cases be desired

    此外,計算結果還顯示:影響「爆米花」式的主要可控因素是擴散d 。和蒸發f卜其中,蒸發f 。
  12. In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete

    論文第二章為凍土力學的基本理論,包括力學在凍土研究中的工程適用性、條件適用性、平面應變韌度測試的適用條件等,給出了凍土韌度k _ ( c ) 、 k _ ( c ) 、 -型復合測試的基本原理及試驗方法,並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ ( c )尺寸效應,為後面的工作提供理論基礎。
  13. Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting

    文摘:在濫木廠和楊家灣鉈(汞)礦床(點)對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件,在提出確定找礦有效指示植物三原則(確定性,敏感性,可行性)的基礎上,依據植物灰分與底質成礦元素相關、植物灰分富集和襯度,較全面地分析和評價了8種植物的找礦功能;討論了其異常的分佈與帶、蝕變帶、礦化帶以及工業礦化(礦體)之間的關,並指出了其找礦意義。
  14. The investigation in the field was combined with research indoors. by classifying tectonic sequence, confirming corresponding prototype basin, analyzing paleo - tectonic stress fields in different periods, plotting correlative tectonic map based on 297 explore wells, and analyzing the traits of the remaining depressions producing hydrocarbon and their migration rules in the ordovician, the author studied the basement of the basin ; the fault system of the basin ; the tectonic - sedimentary evolution of the basin and its circumference areas ; the prototype basin and corresponding dynamics background ; the paleo - tectonic patte rn and its evolution in the layers of producing gas in different periods of ordovician ; the superposition relationship among the different period basins formed by different stress fields ; the reformation of the basin and the formation, redistribution and final emplacement of the gas pools

    採用野外地質調查與室內綜合研究相結合,通過構造層序的劃分及其相應盆地原型的確定、不同期次古構造應力場的分析、以297口探井據為基礎的相關構造圖件的編制、奧陶殘餘生烴坳陷及其遷移規律研究等的綜合分析,開展了盆地基底以及盆地統、盆地及鄰區構造與沉積演化、盆地原型及其形成的動力學背景、奧陶產氣層不同時期的古構造格局及其演化、不同期次構造應力場形成的不同世代盆地之間的疊置關以及盆地改造與天然氣藏的形成、重新分配和最終就位諸方面的研究。
  15. It is found that the degree of mineralization and metamorphic coefficient and conversion potential of formation water, the fault is zone of sluicing of atmospheric infiltration water flowing from basin west margin to east ( centripetal flow ) and sedimentary compaction water flowing from qija gulong depression to west ( centrifugal flow )

    通過地層水礦化度和變質等參的分佈規律及一列折算水位剖面圖的分析發現,該對水是不封閉的,並且是盆地西緣大氣滲入水向東流動(向心流)及齊家古龍坳陷沉積壓實水向西流動(離心流)的共同泄水帶。
  16. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級為工具,得到了含多紋有限大板在任意載荷作用下應力場的級解,並應用力學方法確定紋尖端的應力強度因子;引入當量屈服應力考慮尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和紋之間相互作用對應力場的影響;通過值計算詳細討論了結構尺寸和紋之間位置關對應力強度因子和結構剩餘強度的影響規律,得到了一列對工程應用具有實用價值的結論。
  17. In order for using mdyb - 3 pmma safely and economically, it is of engineering significance to study the response of the kind of damage - contained canopy materials and structures withstanding service loading quantitatively, and to develop corresponding analytical techniques

    為了安全和經濟地使用mdyb - 3航空有機玻璃,有必要對此材料的疲勞和特性進行統的研究。為此,本文開展了mdyb - 3有機玻璃的、疲勞紋特性的試驗研究和紋擴展機理分析。
  18. This paper is on the basis of analysedding and summarized that these projects were blown up and tested materials in the past, use fracture mechanics, the dynamics blast theory and finite element analytical method, have carried on the system, detailed analysis and describes to this kind of method of blasting, proving theoretically that can cut the base rock effectively in this kind of method of blasting, reduce base blowing up stress value inside the rock, play and protect underpart base rock blow up into the function influenced in vibration, and blew up mechanism and analysed the main influence factor blown up according to it, had put forward the rational optimization measure to the relevant parameter when implementedding and blown up

    本文在分析總結以往這些工程爆破試驗資料的基礎上,運用力學、爆破動力學理論及有限元分析方法,對這種爆破方法進行了統、詳細的分析及論述,從理論上證明此種爆破方法可以有效地切割基巖面,降低基巖內部的爆破應力值,起到保護下部基巖不受爆破振動影響的作用,並根據其爆破機理分析了爆破的主要影響因素,對實施爆破時的相關參提出了合理的優化措施。
  19. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講,根據w - w的五參混凝土破壞理論,建立混凝土的開準則,根據開應變值來判縫是張開還是閉合,從而在兩者基礎上建立了縫的開預測模式,總共有16種開模式;后根據具體的開模式及殘余抗剪能力來調整混凝土的本構關矩陣,即用等效剛度代替原有剛度,考慮到垂直於縫方向的剛度為零,這樣會使后的總剛出現病態,為此文中通過引用鬆弛來對出現縫的單元進行預處理,一方面可解決因過大的舍入誤差導致計算結果的不可信問題,另一方面就是可加速收斂。
  20. The fault zone passes through the offshore between the changdong islands and the dazhudao island, and consists of a group of nw trending faults, which are dominated by normal and reverse slips with strike - slip component

    帶由一列北西走向的次級層組成,主體在長島至大竹島之間的海域,多層以正兼有走滑運動為主,部分層具有逆沖運動性質。
分享友人