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- The thermal cycle lives were calculated and compared according to Coffin-Manson equations. 采用Coffin-Manson方程計算并比較熱循環(huán)壽命。
- Abstract: Thermal cycle is the most usual and the most efficient screening mode of ESS. 摘要:溫度循環(huán)是環(huán)境應力篩選中最常用、最有效的篩選模式。
- Dimensional stability of the conventional piston Al alloy ZL109, reinforced with aluminosilicate short fiber, in thermal cycle was investigated. 研究了在熱循環(huán)條件下,硅酸鋁短纖維增強的普通活塞鋁合金(ZL109)復合材料的尺寸穩定性。
- The spraying chamber provided with a drenching apparatus.The spayed leather is fed into drying chamber with thermal cycle system with air filter. 噴涂后的皮革輸送到干燥室,干燥室具有空氣過(guò)濾裝置的熱循環(huán)系統,皮革干燥后無(wú)灰塵粘結。
- Based on the analysis of the real engine s working process,a new model of irreversible thermal cycle for heat engine is proposed by using the finite time thermodynamics. 在分析實(shí)際發(fā)動(dòng)機工作過(guò)程的基礎上,利用有限時(shí)間熱力學(xué)理論方法,建立了一種新的不可逆熱機熱力循環(huán)模型。
- The results show that center segregation deteriorates the impact toughenss of center part and the parameter of welding thermal cycle has different effect on toughenss of steel. 試驗結果表明,中心偏析惡化了連鑄鋼中心部位沖擊韌度,焊接熱循環(huán)參數對沖擊韌度有較大影響。
- The results show a certain time thermal cycle can cause the fracture mechanism change.It varies from original pure shear fracture to microvoid coalescence fracture gradually. 結果表明,一定時(shí)間的熱循環(huán)會(huì )造成LF6鋁合金焊接接頭斷裂機理的改變,由未經(jīng)熱循環(huán)時(shí)的純剪切型斷裂,逐漸過(guò)渡成微孔聚集型斷裂。
- Zhang Na, Cai Ruixian.Gas turbine thermal cycle analyses considering economic and environmental impacts[J].Journal of Engineering Thermophysics (in Chinese), 1997,18(4): 405-408. [7]張娜;蔡睿賢.;燃氣輪機考慮經(jīng)濟性和環(huán)保因素的熱力分析[J]
- These methods use one or more thermal cycles to produce the desired result. 這些方法是進(jìn)行一次或多次熱循環(huán)來(lái)產(chǎn)生所需要的結果。
- Pb-free solder;BGA;thermal cycling;dynamic fatigue tests;electrical analysis. 關(guān)鍵詞:無(wú)鉛焊錫;球格陣列構裝;冷熱循環(huán)試驗;動(dòng)態(tài)疲勞試驗;電性分析
- Abstract: This paper discusses the technology of the big volume box solidification furnace, such as the ideas of thermal cycle way, section temperature difference, automatic control etc. their practical results are notable. 文摘:本文對大容積箱式固化爐設計中的技術(shù)問(wèn)題,如熱循環(huán)方式、截面溫差、自動(dòng)控制等方面進(jìn)行了論述,其實(shí)用效果顯著(zhù)。
- The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test. 采用焊接熱模擬試驗和沖擊試驗,研究了X80管線(xiàn)鋼焊接熱循環(huán)對粗晶區組織性能的影響。
- Keywords Thiophosphoryl thioureas;Thiazolidine;Cycle reaction; 磷酰硫脲;噻唑啉酮;成環(huán)反應;
- The results showed that thermal cycle caused residual dimensional changes of the specimens, and with the fiber contents increasing, the extents of dimensional changes decrease obviously. 隨著(zhù)纖維體積分數的增加,樣品的尺寸變形程度明顯降低。這是由于纖維與基體之間的熱膨脹失配引起的內應力造成了熱應變的遲滯,從而導致樣品的尺寸變化。
- Power for the thermal cycler shall be provided with a manostat or a UPS to avoid the influence on PCR amplification arose by fluctuation of voltage. 熱循環(huán)儀的電源應專(zhuān)用,并配備一個(gè)穩壓電源或UPS,以防止由于電壓的波動(dòng)對擴增測定的影響。
- The main equipment here is a thermal cycler system for nucleic acid amplification (PCR, quantitative fluorescence detection or common). 主要儀器就是核酸擴增熱循環(huán)儀(PCR儀,實(shí)時(shí)熒光或普通的)。
- The pedal of a cycle is attached to a crank. 自行車(chē)的踏板與曲柄相連。
- The tensile properties of composite after 1000 thermal cycles is 395 MPa, that below that of as cast composite. 經(jīng)過(guò)1000次熱循環(huán)后復合材料的拉伸強度為395MPa比鑄態(tài)的有所降低。
- Thermal expand coefficient of polyimide films at each temperature was measured in the process of thermal cycling. 摘要測量了聚酰亞胺薄膜在冷熱循環(huán)過(guò)程中各溫度點(diǎn)的熱膨脹系數。
- Heating system guarantees the drying of glass because of adopting thermal cycling wind. 采用風(fēng)機的熱循環(huán)風(fēng),并有加熱系統保證了玻璃的干燥度。