破裂密度 的英文怎麼說
中文拼音 [pòlièmìdù]
破裂密度
英文
density of fracture-
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密胺餐具無毒無味耐高溫120耐低溫30 ;質地光滑，類似瓷器;耐沖擊性高，不易破碎破裂率為瓷器的15導熱度低，易手捧及唇觸抗味性高，不易殘存食物之味道耐久性高，可長久性重復使用。是國際流行的不銹鋼陶瓷及一次性餐具的首選替代品。They are expanding model of the bomb body, bursting model of the bomb body and motion model of the fragments. according to the models, the paper gives a detailed algorithm for the whole process of the bomb explosion. ( 7 ) based on the explosion mechanism and the stochastic characteristic of the shell, the paper advances some reasonable hypotheses and supposes that the explosion process of the shell is a markov process, thus constitutes two explosion models of the shell : the imitation model an
（刀從爆炸的機理出發，利用合理的假設，將殼體的爆炸過程處理為馬爾可夫過程，把爆炸的機理同爆炸的隨機性聯系在一起，建立了殼體爆炸的兩種模型:模擬模型和簡化模型，提出了破裂程度的倍密度函數和破裂方向的倍密度函數兩個概念，得到了基於半邊結構的虛擬殼體爆炸過程中任一條邊出現裂縫的概率公式。Mullen bursting strength tester
密廉式破裂強度試驗機With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion
研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads
關于預制裂紋系對巖石破裂的影響，集中討論了：空障礙體構造不能阻止主裂紋的擴展，反而會使巖石的破裂強度降低近一個量級；由於構造的不同，非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別，穿透切口樣品的微破裂在切口兩端發育，而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育，這用三維破裂理論可以很好地解釋；含共線構造的巖石，裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似，裂紋內端聲發射有密集分佈，在應力達到一定水平時，內端部發生錯斷，而不是貫通。The paper researches the relations between blasting effect and blasting parameters, including diameter of drill, non - coincidence coefficient, hole spacing, hole row - spacing, cartridge diameter, charge per hole, density of line charge, charging structure and detonating manner, and how to adjust the blasting parameters to get the best blasting effect under the given geological condition
本文在重慶市某高速公路合同段進行了現場預裂爆破試驗的基礎上，研究了炮眼直徑、不耦合系數、炮孔間距、炮孔排距、藥卷直徑、單孔藥量和線裝藥密度、裝填結構、起爆方式等爆破參數與爆破效果之間的聯系，以及如何在給定的地質條件下調整爆破參數獲得最佳的爆破效果。Connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large area, long length, as well as repairing the wrongly cut casing in well ? ? packer - type casing patch - connector
修復面積大，長度長，破裂，損壞的井內套管，修復錯斷的井內套管時所用的新舊套管的連接密封裝置?封隔器型套管補接器。[ english ] connection and sealing device for new and old casings used when repairing the broken and damaged casing in well with large area, long length, as well as repairing the wrongly cut casing in well ? ? packer - type casing patch - connector
修復面積大，長度長，破裂，損壞的井內套管，修復錯斷的井內套管時所用的新舊套管的連接密封裝置?封隔器型套管補接器。The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels
實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。Viewing solely from their performance, mdf, dsp, rpc all enjoy a high compressive strength. their flexural strength, fracture toughness and elastic module have broken the limit of traditional cement based materials. all these materials have acquired the features of high toughness material
從材料性能審視，無宏觀缺陷水泥基材料、均布超細顆粒緻密體系、活性粉末混凝土等的抗壓強度都非常之高，其抗拉強度、斷裂韌性和彈性模量也突破了傳統水泥基材料的限度，這些材料具備了高強韌性材料的特徵。Through the statistic and analysis of rock core crack, sonic wave velocity test, microcosmic structure of core slice observation by electron microscope, core strength test to the sampled damaged slope rock mass, it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently
通過受損邊坡巖體取樣巖芯裂隙的統計分析、聲波速度測試、巖芯切片微觀結構的電鏡觀察及巖芯的強度試驗，發現光面爆破對邊坡巖體的損傷程度與爆破規模無明顯關系，而與光爆孔的線裝藥密度有關，損傷區巖石的強度明顯降低。Using logging information can make the size and direction of in - situ stress, and then determine fracture pressure and breakout pressure so can provide the suitable mud density to solve the mechanics instability of borehole
用測井資料可以確定地應力的大小和方向，從而確定地層破裂壓力和坍塌壓力，並給出合理的泥漿密度，解決井眼力學失穩問題。Based on the above methodological analyses and practical situation of feixianguan interval in the luojiazhai and dukouhe structure on the east of sichuan, a set of well log interpretation formation pressure application program is developed. it has been successfully applied to the fine interpretation of luojia4 well and du4 well, and so on. the results of formation pore pressure, fracture pressure and breakout pressure are all accordant with the practical situation
在上述方法理論研究的基礎上，結合川東羅家寨和渡口河構造飛仙關組地層的實際情況，編制了一套適合於該研究工區的地層壓力測井解釋應用程序，並用於羅家4井和渡4井等井的測井資料精細處理中，所計算的地層孔隙壓力、坍塌壓力和破裂壓力與實測資料相符，且所確定的鉆井泥漿密度窗得到了實際生產的驗證，達到了預期效果。In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression
首先分析了經典的非參數法，對於四種具有代表性的核，從前述的三個性能評價方面做了分析和對比，指出了其速度快的優點和對非平穩圖像適應性差的弱點，針對非參數法的弱點，重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型，在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法，突破了空域濾波路線上區域相鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計，實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像，由此建立了殘余圖像的雙參數拉普拉斯模型，實驗表明其可以完好的吻合殘余圖像的概率密度曲線。Methods of test for dense shaped refractory products. part 5 : determination of cold crushing strength
緻密異型耐火產品的試驗方法.第5部分:冷破裂強度的測定Before rock failure, it is found that ae distributed densely, and the coming fracture will occur in the density center of high magnitude events, and ae ratio of frequency grows greatly. these precursors can be presented by the change of b value, a t value and the contour of v value. prefab crack systems in the specimen will affect the fractures hi rocks
關于巖石破裂過程中一些物理量的變化，發現在巖石破裂前，主破裂發生的區域先出現大能級聲發射的密集分佈；在巖石加載的臨界狀態，大能級的聲發射數量大量增加；在接近臨界時，大能級聲發射事件在失穩前頻度突然加快。Further, the mechanical behavior and fracture features under flexural load of the c / sic composites are discussed with mechanical properties contract to microstructure and cvi - pip process parameters. the multiple fracture phenomenon of the c / sic with high toughness connected to multiple interface fracture is found, which supplements the conventional composite theory on the relationship between strength and fracture mode
聯系化學組成及微結構參數、工藝參數，進而研究了彎曲載荷下該c / sic復合材料的行為特徵和失效過程，發現了一種與多重界面失效緊密聯系的、高斷裂韌性的多重損傷累積型材料破壞現象，補充了傳統的脆性基體復合材料強度一斷裂韌性理論。分享友人