heat crack 中文意思是什麼
heat crack
解釋
熱龜裂-
Analysis of hydration heat and crack - resistance of high micro - slag in mass concrete
微礦粉在大體積混凝土中水化熱及抗裂分析 -
There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product
建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。 -
There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete
水電行業有句「無壩不裂」的俗話，產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹，水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積收縮等造成。 -
By using the eigenfunction expansion technique, a one - dimension finite element formulation is then developed to determine the eigensolutions to the 2d heat conduction problem at the crack tip, which discretizes the sectorial domain circumferenially
利用特徵方程展開方法，可獲得分析裂紋尖端處二維熱傳導特徵解的一維有限元列式。 -
It would make the reader pity me, or rather laugh at me, to tell how many awkward ways i took to raise this paste, what odd mishapen ugly things i made, how many of them fell in, and how many fell out, the clay not being stiff enough to bear its own weight ; how many crack d by the over violent heat of the sun, being set out too hastily ; and how many fell in pieces with only removing, as well before as after they were dry d ; and in a word, how after having labour d hard to find the clay, to dig it, to temper it, to bring it home and work it ; i could not make above two large earthern ugly things, i cannot call them jarrs, in about two months labour
我不知用了多少笨拙的方法去調合陶土，也不知做出了多少奇形怪狀的醜陋的傢伙有多少因為陶土太軟，吃不住本身的重量，不是凹進去，就是凸出來。根本不合用又有多少因為曬得太早，太陽熱力過猛而曬裂了也有多少在曬干后一搬動就碎裂了。一句話，我費了很大的力氣去找陶土，找到后把土挖出來，調合好，運回家，再做成泥甕。 -
7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area
（ 6 ）高溫巖體地熱開發中，裂縫面法向應力受溫度變化的顯著影響，在系統開始運行的一個月內，注入井附近區域其溫度降低較快，形成低應力區;隨開采時間的延長，其溫度變化逐漸平緩，而生產井附近區域溫度降低加快，逐漸形成新的低應力區。 -
The reheating embrittlement of a crack - free steel during post - welding heat treatment
無裂紋鋼的焊后熱處理與再熱脆性 -
Testing results are analyzed, then the boundary condition ( the heat transfer coefficient of and the water density ) for computer simulation is acquired. through simulation in computer using the all - purpose computer simulation software secondary cooling in slab continuous casting and test results, the influence of the factor such as casting speed, casting temperature, shell thickness and secondary cooling system are analyzed. the secondary cooling system is evaluated, the reasons of crack are analyzed
應用模擬軟體和實驗數據對寶鋼1930鑄機進行了模擬計算，分析了拉速、配水制度、過熱度對鑄坯溫度場和坯殼厚度的影響；對寶鋼1930鑄機的二冷制度進行了評估，分析了產生裂紋的原因；並對二冷制度進行優化，提出了改進建議。 -
3 the design theories of cooling pipe of play down internal temperature of mass concrete about diameter, length, arrange method, rate of flow, current velocity, reduce heat time, temperature disparity to in and out, reduce heating result etc. 4 the theory of influence about concrete internal temperature and concrete crack because of transform of mixture ratio and pulverized fuel ash sophisticate quantity
西安建築科技大學博士生論文一;一;一一『一一一3降低大體積混凝土內部溫度常用的冷卻水管的管徑、長度、布置方法、水流量、流速、降溫時間、進出水口的溫差、降溫效果等的設計計算理論。 4配合比及摻加料對混凝土內部溫度和混凝土開裂的影響理論。 -
H. a. z. crack heat affected zpne crack
熱影響區裂痕 -
In the model, many processes or phenomena such as crack friction and growth, heat conduction, phase transformation of oxidant particulates, heat generation by viscous liquid layer, chemical reactions of gases in cracks, heat and mass exchange between phases of gas and solid, are described
模型描述了裂紋滑移擴展、熱傳導、含能顆粒相變、液化層粘性加熱、裂紋內氣相反應、氣相固相質量能量交換及與裂紋擴展耦合等過程。 -
The results show that, when the hardfacing process is not appropriate, the thick martensite structure with high carbon content will form in the overheat region of heat affected zone, and the high residual stress occurred, which are the primary causes resulting in crack
結果表明，堆焊工藝制定不當，熱影響區的過熱區形成高碳粗大馬氏體組織及保留了較大的焊接應力，是導致堆焊層開裂的主要原因。 -
In order to get a finite element formulation to analyze singular heat flux fields, the weak form of basic equations and boundary conditions describing the 2d heat conduction eigenproblems is derived for the sectorial domains in the vicinity of the interfacial crack tip
摘要為得到用於分析奇異熱流密度場的高效的有限元列式，針對不同材料中界面裂紋尖端的扇形區域，推導出二維熱傳導特徵解問題的基本方程和邊界條件的弱形式。 -
Analytical solutions of temperature fields for an orthotropic plate with a central crack under remote uniform heat flows
含中心裂紋正交各向異性板均勻熱流作用下的溫度場解析解 -
The results show that the organic residual has been decomposed completely and the crack - free films can be obtained after heat - treated higher 450
結果表明， 450處理后，復合體系內的有機殘留物氧化完畢，形成的薄膜表面緻密。 -
In harsh climate region, mere exists obvious local stress concentration near the upstream and downstream of the exposed - in - winter horizontal surface of the rcc dam, and the surface of spillway bucket though heat insulation is applied on the surfaces, tensile stress still exceeds the allowable one of concrete. this paper puts forward to adopt preset crack to avoid occurring more cracks. the special crack model is applied to simulate the dam preset crack, and the joint model of fracture mechanics is induced into strain - soften model
在結構措施方面，針對嚴寒地區高碾壓混凝土重力壩壩體越冬層面的上、下游面附近及溢流壩堰面反弧段表面有明顯的局部應力集中象現，在已採取一定的表面保溫防護的條件下，拉應力仍然超過混凝土容許拉應力，開裂難以避免，進而提出設置碾壓混凝土壩表面預留縫結構措施並對該措施進行深入研究，包括預留縫的擴展穩定和壩體沿預留縫的穩定性，以避免大壩在無措施部位開裂，解決大壩越冬層面水平施工縫的開裂問題。 -
During the fabrication or service, if the applied tensile stresses exceed the probabilistic tensile strength of silicon, then failure will occur. even a tiny crack will bring tremendous damage to devices and circuits. especially nowadays, with the increasing of silicon wafer diameter, warpage in heat treatment, defects and dislocations generated in silicon often become critical problems in ulsi devices fabrication
特別在大規模集成電路與器件生產中，一個微小的裂紋就可能導致后道工序中電路與器件的完全損壞；而且在熱處理過程引起的翹曲，使光刻精度下降；在矽片內部產生的氧沉澱及位錯等缺陷，會導致集成電路或器件的漏電流增加，使器件失效。 -
Advance of the study of crack prevention by the electromagnetic heat effect
電磁熱效應裂紋止裂研究的進展 -
The interaction between piezoelectric screw dislocation and circular crack under remote uniform heat flux
均勻熱流場中螺型位錯與圓弧裂紋的相互作用
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