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- The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy. 用磷銅合金和四元鈉鹽變質(zhì)劑對過(guò)共晶鋁硅合金進(jìn)行了變質(zhì)處理試驗。
- In situ Al 2O 3 and TiB 2 particles reinforced Al 3.2% Cu and Al 6.0%Cu alloy composites were fabricated from TiO 2 Al B CuO system. 由TiO2?Al?B?CuO體系制備了原位Al2O3和TiB2粒子增強Al?3.;2%25Cu和Al?6
- Small amounts of sample on miligram scale are taken from the fracture surface of a casting Al Cu alloy, and its main constituents are determined by FAAS (for Cu, Mn and Cd) and GFAAS ( for Ti). 研究了鑄鋁銅合金拉伸斷口毫克級樣品中主成分銅、錳、鎘的火焰原子吸收光譜法(FAAS)和鈦的石墨爐原子吸收光譜法(GFAAS)。
- Allison, P. D., & Furstenberg, F. F., Jr.（1989）.How marital dissonlution affects Children: Variations by age and sex. Developmental Psychology,4（25）,540-549. 魏麗敏（民81）：國小兒童家庭因素情緒困擾對成就與適應影響之分析研究。
- Cu alloy horizontal continuous casting is an advanced process for wire production of Cu alloy. 銅合金水平連鑄是銅合金絲線(xiàn)材生產(chǎn)中的一種先進(jìn)生產(chǎn)工藝。
- The Ni Cu alloy supported on TiO 2 promote the formation of C 2 hydrocarbons in CO hydrogenation. 雙金屬Ni、Cu間發(fā)生相互作用而形成了均勻的合金相，該活性組分與載體TiO2的共同作用，對CO加氫中C2物種，特別是乙烯的生成有利。
- This method can reduce labour intensity, improve working efficiency and ensure the deburring effect of Cu alloy part. 這種方法能降低勞動(dòng)強度,提高工作效率,較好地保證銅合金零件拋光去毛刺效果。
- The friction and wear properties of 2 kinds of high strength Zn Al alloys and 3 kinds of Cu alloys are demonstrated. Under different lood and rotative velocity, the friction factor and abrasion wear of the alloys and their coupling samples are given. 采用MM200磨損試驗機，測定和對比了鑄造鋅鋁合金（ZZnAl27Cu2A和ZZnAl27Cu2D）和工業(yè)上常用銅合金（ZCuSn6Zn6Pb3，ZCuA110Fe3和ZCuZn33Mn2Pb2）的摩擦磨損特性。
- Selected principles of strengthening phase of dispersion strengthening Cu alloy and its application prospect were discussed. 討論了彌散強化銅合金強化相的選擇原則,以及此合金的應用前景。
- The age _ precipitation behavior of Al-4.5 Cu alloy and mullite _ fiber reinforced Al-4.5 Cu composite has been studied by the differential scanning calorimetry (DSC). 用差示掃描量熱法(DSC)對Al-4 5Cu合金和莫來(lái)石(Mullite)短纖維增強Al-4 5Cu復合材料的時(shí)效析出行為進(jìn)行了研究 ;
- Let it be 4:25 tomorrow afternoon. 就定明天下午4點(diǎn)25分吧。
- The directionally solidified Al-4.7%Cu alloy sample after treated by superheat treatment, its Cu-rich phase decreases obviously and its dimple number increasesobviously. 通過(guò)熔體過(guò)熱處理的Al-4.;7%25Cu合金定向凝固試樣;其富Cu相明顯減少;韌窩數量顯著(zhù)增加;
- Methods The isothermal age hardening behaviour of an experimental75wt% Au,16wt% Ag,9wt% Cu alloy was studied by means of hardness test, X ray diffraction study. 方法 采用硬度試驗和X線(xiàn)衍射的研究手段 ,探討含 75wt%25金 ,16wt%25銀 ,9wt%25銅合金的等溫時(shí)效硬化性能。
- Al-3%Cu alloys as-solid-solutioned and as-aged are subjected to EGA Pressing. 對Al一3%25Cu合金在固溶態(tài)和時(shí)效態(tài)進(jìn)行了ECAP擠壓。
- The mechanism of deburring, the formulation for processing, technical parameters of Cu alloy by using electrochemistry, and the points for attention in operating are introduced. 介紹了銅合金零件電化學(xué)去毛刺機理、工藝配方、工藝參數和操作注意事項。
- Be Cu alloy charactistics and its application to dies for toy and plastic product were introduced. Smelting, pouring, heat treatment and safety protection were described. 介紹鈹銅合金的特點(diǎn)及其在玩具和塑料制品中的應用。介紹鈹青銅的熔煉、澆注、熱處理及安全防護。
- Based on the mechanical Zn-Al plating technology,mechanical Cu and Cu alloy plating process were researched and developed by adjusting the activator,promoter and the amount thereof. 在機械鍍鋅和機械鍍鋁-鋅工藝的基礎上,通過(guò)調整活化劑和促進(jìn)劑的種類(lèi)及用量,研制開(kāi)發(fā)了機械鍍銅及銅合金工藝。
- Al causes operated to bring about the war. 那場(chǎng)戰爭的起因有幾個(gè)。
- With a copper alloy used as target and the same composition Cu alloy as electrode, a clad layer is formed by electrospark welding and a complete metallurgical bonding interface can be obtained. 采用電火花堆焊設備，以銅合金為基材，以相同成分的銅合金圓棒為電極材料進(jìn)行堆焊，可獲得冶金結合的界面。
- The concert included works by Mozart et al. 音樂(lè )會(huì )上演奏莫扎特等人的作品。
