Electrode materials have effects on properties of electrochemical capacitor, many carbonaceous materials such as active carbon, pyrolytic carbon, active carbon fiber and carbon nanotube were mainly used in electric double - layer capacitor. because of synthetic conditions and cost, we studied their electrochemical properties of electronic double - layer capacitor that pyrolytic carbon was used as their electrode materials
電極材料是影響電化學電容器性能的主要因素之一,應用於雙電層電容器的電極活性物質主要是各種碳材料,如各種活性炭、
熱裂解碳、碳纖維、碳納米管等,考慮到合成工藝和成本因素,我們採用
熱裂解碳為雙電層電容器的電極材料,並研究了它們的電化學性能。
The highlights of this paper include : hoop toughness criterion for longitudinal heat checking of tool joint was introduced firstly ; failure criterion for crescent - shaped wear casing was established according to the results of full - scale collapse tests ; new - typed alloy for hardbanding of tool joint was developed, its property has showed good performance in the tests
本文的主要創新點在於:以現場失效案例分析為基礎,提出了鉆桿接頭縱向
熱裂的橫向韌性判據;通過對已磨損套管的實物擠毀試驗研究,確定了不均勻磨損套管的擠毀失效準則;設計出了具有獨立知識產權的鉆桿接頭硬化帶用新型耐磨減摩合金的成分,經實驗室試驗表明其性能可以達到或超過國外同類產品。
The proper interpass temperature is required to prevent cold and hot cracking as well as the proper selection of welding filler material, to produce the proper creep resistance and toughness
需要適當的程間溫度和正確選擇填充金屬材料來防止冷
熱裂縫,產生適當的蠕變阻力和韌性。
Iron ore - determination of decrepitation index
鐵礦石
熱裂指數的測定方法
Abstract : in the paper, the hot crack for the forging die made by methodsof squeeze casting is analyzed, how to reduce the hot crack is also given out
文摘:從生產實際出發,分析了鍛模液態模鍛成形過程中
熱裂紋形成的主要原因,提出了降低鍛模
熱裂紋的幾點措施。
Simulation and analysis of the method of reducing thermal crack at the edge of piston with toroidal combustion chamber
收口型燃燒室邊緣
熱裂紋緩解措施的研究
Based on the mechanism of hot cracking formation of castings, the cracking defects of furnace door frame castings was analyzed, and found that the main reasons causing cracking are as follows : construction of the casting was not reasonable, gating system was not proper, and pouring temperature was too high
摘要根據鑄件產生
熱裂紋的機理,對爐門框
裂紋缺陷進行分析,找到了
裂紋產生的主要原因是鑄件結構和澆注系統不合理,以及澆注溫度過高。
Thermo - cracking distillation
熱裂蒸餾
Formation of thermal cracks
熱裂形成
Destructive tests on welds in metallic materials - hot cracking tests for weldments - arc welding processes - general
金屬材料焊接的有損試驗.焊件的
熱裂試驗.弧焊過程.概要
Destructive tests on welds in metallic materials - hot cracking tests for weldments - arc welding processes - self - restraint tests
金屬材料焊接的有損試驗.焊接的
熱裂試驗.弧焊工藝.自束試驗
Destructive tests on welds in metallic materials - hot cracking tests for weldments - arc welding processes - part 1 : general
金屬材料焊接的有損試驗.焊接的
熱裂試驗.弧焊工藝.第1部分:總則
Destructive tests on welds in metallic materials - hot cracking tests for weldments - arc welding processes - part 2 : self - restraint tests
金屬材料焊接的有損試驗.焊接的
熱裂試驗.弧焊工藝.第2部分:自束試驗
Destructive tests on welds in metallic materials - hot cracking tests for weldments - arc welding processes - part 1 : general iso 17641 - 1 : 2004 ; german version en iso 17641 - 1 : 2004
金屬材料焊接的有損檢驗.焊件的
熱裂試驗.弧焊過程.第
Yellow water flavoring liquid was produced by yellow water after primary filtration and addition of high activity bio - enzyme processed by catalyzing beat cracking
摘要將黃水粗濾后,添加高活性生物酶進行催化熱裂處理,制得黃水調味液。