shock expansion 中文意思是什麼
shock expansion
解釋
沖還開-
The rapid expansion of the bubble of hot, high-pressure gases formed in the underground burst initiates a shock wave in the earth.
由於地下爆炸所形成的熱高壓氣泡迅速澎脹，在地面上便產生沖擊波。 -
The fixed expansion points of the general shroud allow a better definition of local shock locations than on ogive type shrouds.
一般外殼的固定膨脹點能比蛋形外殼更好地限定局部激波的位置。 -
The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool
同時，也不同程度地影響了磨具燒結體的微觀結構和性能； （ 2 ）可促進在燒結過程中莫來石的形成，降低結合劑的熱膨脹系數，加強了結合劑與磨料的匹配性，提高了磨具的抗折強度和抗沖擊強度； （ 3 ）在一定溫度范圍內還可防止碳化硅磨具出現黑心現象，拓寬了碳化硅磨具的燒結溫度適應范圍。 -
Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively
通過實驗發現：葉蠟石和白雲石最佳含量為30 % ，與原結合劑相比，結合劑耐火度降低了55 ，平均熱膨脹系數降低了30 % ，磨具抗折強度提高了27 % ，磨具抗沖擊強度提高了22 % 。 -
As a super refractory, nature flaky graphite has many advantages such as high thermal conductivity, high thermal shock resistance, excellent high - temperature strength, excellent machinability, high sublimation temperature and low thermal expansion coefficient. unfortunately, the poor water wettability, low density and flaky structure of graphite surface limit its application with large quantity
天然鱗片石墨以其熱膨脹小，導熱性、抗熱震性和化學穩定性好等諸多優點而成為適應鋼鐵冶煉苛刻環境耐火材料的原料，但石墨在水中的潤濕性、分散性差以及在空氣中易氧化等缺點限制了它的進一步應用。 -
In the course of its rapid expansion, the hot gas bubble, while still under water, initiates a shock wave.
在熱氣泡迅速膨脹過程中，（它仍然在水下），它引起了沖擊波。 -
On the basis of gongyi changmao supplying and draining of water materials company, sino - south korea joint venture, henan changmao yuanyi co., ltd was founded in march, 2003. it mainly produces rubber joint, vavle, expansion piece, shock absorer and relevant products
中韓合資河南昌茂元一閥門有限公司是以鞏義市昌茂給排水材料總廠為基礎，於2000年3月成立。 -
In the course of its rapid expansion, the hot gas bubble, while still under water, initiates a shock wave
在熱氣泡迅速膨脹過程中， （它仍然在水下） ，它引起了沖擊波。 -
The experiment indicated that, sanqi ( panax notoginseng ) while expansion blood vessel, decreases crown arteries resistance, increase crown arteries current capacity, strengthens and improves crown arteries microcycle, increase nutrition cardic muscle blood current capacity, can reduce artery pressure, reduces heart rate slightly, causes the heart work load to decrease, thus obviously reduces the oxygen consumption capacity of cardic muscle, may treat the cardic muscle to lack the blood, angina pectoris and shock
實驗表明：三七在明顯擴張血管、減低冠脈阻力、增加冠脈流量、加強和改善冠脈微循環、增加營養性心肌血流量的同時，能降低動脈壓，略減心率，使心臟工作量減低，從而明顯減少心肌的耗氧量，可治療心肌缺血、心絞痛及休克。 -
Theory of extracorporeal shock wave lithotripsy and expansion of its clinical use
體外沖擊波碎石的原理及臨床應用的擴展 -
( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab ), many exact periodic solutions of nonlinear wave equations can be obtained and these solutions can degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions
（ 2 ）利用jacobi橢圓函數表示法和數學計算軟體（ maple ， matlab等） ，可以得到一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解，沖擊波解，三角函數解。 -
The additive function and affection was studied on to mullite / zirconia / alumina composite ceramics in the paper. v2o5 and alf3 were confirmed to accelerate the forming of mullite whisker, ensure to enhance the toughness of samples, better heat thermal - shock resistance. the strength, micro - hardness, thermal expansion coefficient and thermal - shock resistancehave been tested
對外加不同添加劑系列樣品，進行強度測試、顯微硬度測試、熱膨脹系數測定及抗熱震性測試，從中找出了綜合性能較好的樣品配方，其抗折強度高達172 . 80mpa 、顯微硬度601 . 5 、熱膨脹系數為6 . 56 10 ~ （ - 6 ） ~ （ - 1 ） 、抗熱震性好。 -
( 2 ) by the jacobi elliptic function expansion method and computer symbolic systems ( maple, matlab or mathematica ), many exact periodic solutions of nonlinear wave equations can be obtained and under some conditions, these solutions degenerate solitary wave solutions, shock wave solutions, trigonometric function solutions respectively
（ 2 ）利用jacobi橢圓函數展開法和數學計算軟體（ maple ， matlab ， mathematica等） ，可以求得一類常系數非線性發展方程的雙周期解，這些解能退化成孤立子解、沖擊波解、三角函數解。 -
Adding sic can decreases sintering temperature of al2o3 efficaciously, but also can make the al2o3 crystal growth as flake, strengthen the coalescent of the al2o3 crystals, and the residual sic during sintering can strengthen the al2o3 ceramics. because the reaction between sic and al2o3 begins from the surface of samples, there is a compact protecting field on the surface of the samples to restrain o2 enter into the samples, and leave more pore in them to decrease the thermal expansion coefficient and increase their the al2o3 ceramics " thermal shock resistanc e times
引入sic的樣品在燒結過程中，首先在樣品的表面產生sic與o _ 2及al _ 2o _ 3的反應，形成一層緻密的保護層，阻礙o _ 2進入材料內部，在材料的內部留下較大的氣孔率，可以降低其熱膨脹系數，並使材料在受熱過程中有一定的空間進行結構調整，能夠顯著的提高al _ 2o _ 3陶瓷材料的抗熱沖擊次數。 -
The strong honeycomb ceramics was extruded using the above batch composition. the relation between property of samples strength, micro - hardness, thermal expansion coefficient, thermal - shock resistance and microstructure of composite ceramics were discussed by sem, xrd test. the function in composite ceramic and the effection on microstructure of the different series additive were studied
採用現代測試技術如xrd 、 sem 、 epma對樣品進行了綜合測試與分析，探討了不同系列樣品中添加劑在復合陶瓷中的作用及其對微觀結構的影響，討論了樣品的抗折強度、顯微硬度、熱膨脹系數、抗熱震性與氧化鋁氧化鋯莫來石復合陶瓷的組成和微觀結構的相互關系，分析了其影響因素。
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