探尺孔 的英文怎麼說
中文拼音 [tànchǐkǒng]
探尺孔
英文
try hole-
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系的研究現狀，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數，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系模型的發展歷程，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系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，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數，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數進行了相應的試驗數據對比分析，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。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials ， work - piece materials ， amplitude ， machining load ， slurry concentration ， tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具，在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗，來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響，為微細超聲加工技術的實用化提供參考依據。Three parts are discussed, respective, ( 1 ) the nanostructure in the perfect of single crystal copper structure and perfect titanium structure. ( 2 ) the tensile deformation mechanism and stress analysis of the point defects effects. ( 3 ) the significance of effect as size reduced
本論文所探討的內容可分為三部分，分別為： （ 1 ）針對完美單晶銅結構與完美鈦結構的拉伸變形研究（ 2 ）包含了空孔點缺陷的拉伸變形結構研究（ 3 ）針對尺寸縮小后所造成的表面效應影響作一探討。The paper applies ansys finite program to analyse coalstore - shale fired perforated brick ' s hole shape, and finds the factors that influence the strength of bricks. the author attempts to explore from the basic principle of heat transfer the effect of the changes of hole arrangements and hole ratios of the perforated ( hollow ) brick in certain dimensions on the thermal transition of the brick, and to improve the thermal insulation property of the brick on this basis
通過ansys有限元應用軟體對不同孔型、不同孔排列的多孔磚進行力學性能分析，找出影響多孔磚力學性能的因素；探討了在一定尺寸條件下，多孔磚、空心磚的孔洞排列與孔洞率的變化對磚體傳熱性能的影響，以此改善磚體的抗壓強度和隔熱保溫性能。Underneath the walls of fort zeelandia, at about 3. 5 to 4 meters of depth, in an area of 20 meters long, for every 6 meters there is a hole of 1 meter in diameter. are these holes the entrances to the legendary dutch tunnels ? these finds further add to the mystery and archaeological values of fort zeelandia, and they have motivated the tainan city government to excavate the remains of the castle wall, in hope to find out the way of the dwellers life of fort zeelandia during the dutch era
此項探測已獲初步成果，據分析熱蘭遮城古城墻遺址目前尚保存七成大航海時代荷蘭所建的城堡輪廓，而古城墻遺址下方，離地表約3 . 5 - 4公尺深，約20公尺長的范圍內，每6公尺左右，皆探測到一個直徑1公尺左右的孔洞圖徵，這些孔洞是否為傳說已久的荷蘭古地道？By analyzing the influence of hemisphere pits with different dimension and ellipsoid pits with different aspect ratio on stress and strain distribution of lap joint, the possible propagation of fatigue crack was discussed, and the effects of localized pitting corrosion on the structural integrity of lap joints were discussed
通過分析不同尺寸的半球形蝕坑和不同長短半軸比值的半橢球形蝕孔應力應變分佈的影響，探討搭接件疲勞裂紋的可能擴展方向，討論局部孔蝕對搭接件結構完整性的影響。Refrigeration controlling refrigeration heat : temperature showing, temperature controlling refrigeration heat mode can be set compressor start delay protection, temperature sensor error alarm, it can run periodically with the on - off rate and stop w
製冷制熱兩種模式任意設定，具有一路外部告警，壓縮機開機延時保護溫度范圍限定溫度修正溫控探頭異常告警功能。溫顯范圍- 50150 。開孔尺寸： 7129mmTemperature showing, temperature controlling refrigeration heat mode can be set compressor start delay protection, temperature sensor error alarm, it can run periodically with the on - off rate and stop which has been set when the temperature sensor is br
製冷制熱兩種模式任意設定，具有一路外部告警，壓縮機開機延時保護溫度范圍限定溫度修正溫控探頭異常告警功能。溫顯范圍- 50150 。開孔尺寸： 7129mmBesides the theoretical analysis, we also numerically studied the relation between the beam irregularity and b integral for a special four - pass amplifying system. based on these calculations, a " red line " has been set up for the safety of the system. in addition, the variation of beam irregularity with the size of filter ' s hole has been studied
在理論分析的基礎上，我們用數值模擬的方法研究了一個具體的四程放大系統中光束非均勻性和b積分的關系，以此確定出了系統運行的「紅線」 （安四川大之戶下員d匕論文全運行警戒線） ;同時探討了濾波小孔尺寸與光束質量的關系。分享友人