燕尾結合 的英文怎麼說

中文拼音 [yānwěijiē]
燕尾結合 英文
devetail joint
  • : 燕名詞1. (古國名) yan, a state in the zhou dynasty2. (河北北部) northern hebei province3. (姓氏) a surname
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • 燕尾 : forked tail; swallow tail燕尾服 swallowtail; swallow-tailed coat; tailcoat; dovetail; tails; cut-away
  • 結合 : 1 (發生密切聯系; 聯合) combine; unite; integrate; link; binding; coalition; cohesion; connectio...
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對榫聯接構創建了參數化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接構接觸應力及接觸狀態量的分佈;在已有微動疲勞壽命預測模型的基礎上,引入載荷頻率影響因子,對低周、高低周復載荷作用下的榫聯接構進行了微動疲勞壽命的預測,與試驗果對比表明採用本文提出的方法預測榫聯接構的微動疲勞壽命是有效的。
  2. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文成了高效酰化催化劑4 -二甲基氨基吡啶( 4 - dimethylaminopyridine , dmap ) ,採用酰氯化法和高效酰化催化劑法分別成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及型膽甾醇酯四類膽甾醇酯衍生物,並進行了化學構和液晶性能的表徵。
  3. ( c ) for the helical swallow - tailed structures with same groove width, the deep groove depth one which is suitable for the use in a interaction system of high power twts, has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles

    ( 3 )具有相同槽日寬度的形螺旋槽構在槽深度較深情況下用作大功率行波管的互作用系統具有最大的耦阻抗和最低的相速。
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