預燒結 的英文怎麼說

中文拼音 [yùshāojiē]
預燒結 英文
presintering
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 燒 : Ⅰ動詞1 （使東西著火） burn 2 （加熱或接觸某些化學藥品、放射性物質等使物體起變化） cook; bake; hea...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同粒度、不同beo含量的鈹粉，從而開展了beo含量單獨對鈹材_ （ mys ）影響的研究，得出一些新的結果：與beo含量相比， beo在鈹中的分佈狀態對_ （ mys ）的影響更大。沿晶界、晶內彌散分佈的較細小beo對基體鈹有彌散強化作用，使_ （ mys ）即較高；如果beo較粗大地成簇狀聚集在晶界，反而對_ （ mys ）有不良的影響。
  2. Using in situ formation of ternary boride base cermets hard phases through chemical reactions and sinterbonding onto steel substrates though liquid sintering we successfully prepared a kind of ternary boride base cermet

    摘要通過化學反應將原料粉來生成三元硼化物硬質相併通過液相燒結燒與鋼很好的結合，用這種工藝成功地在鋼基體上塗覆了預壓制的三元硼化物基金屬陶瓷。
  3. To meet the processing requirements before sintering, the pressed briquet was pre - calcined at 1150 to make it possess adequate processing strength at first and then was shaped through precise turning on the numerical control lathe according to the design diagram of the femoral head prostheses of partial hip joint

    為滿足燒結前坯體加工的要求，壓制后的坯體在1150預燒，使其具備一定的加工強度，然後按照半髖關節股骨頭假體的形狀尺寸設計圖在數控車床上進行精密車削成型。
  4. It has been found that all the elements in the addition act respectively in the way that affect the material ' s properties during the calcining process and the increase of the pms / pzn ratio can weaken the stability of the crystal structure of the sintered ceramics and cause the crystal structure transformation from the tetragonal to the rhombohedral as well

    發現多元壓電陶瓷材料中，無論是主加組元還是微量摻雜，預燒階段，它們在陶瓷中的作用都表現為單獨離子對陶瓷結構和性能所起的作用。燒結后，隨著pms pzn相對量的提高，陶瓷晶體結構由四方相向三方相轉化，同時穩定性下降。
  5. Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany

    同時，對磁性材料的理論基礎，尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結；尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研，特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析，在此基礎上，結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向；對企業公司原有磁件一廠進行了技術工藝改造，對建廠各項條件進行了詳細的分析，形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告，從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。
  6. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  7. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。
  8. Based on the analysis of the characteristics of the raw mix slurry preparing process in alumina sintering production process, firstly, a mechanism model based on material balance principle was established as the master - rule model for the quality prediction ; secondly, considering the problem that the alkali liquor composition was unstable and its real - time measurement was difficult, a nn ( neural networks ) prediction model for the prediction of the alkali liquor composition was set up and nesting - integrated with the mechanism model ; finally, using the gray theory for the information mining from the errors of the mechanism model, a gm ( 1, 1 ) compensation model was put forward and parallel - connection - integrated with the mechanism model, achieving a raw mix slurry quality prediction model

    摘要針對燒結法氧化鋁生產過程中生料漿配料工藝的特點，根據物料平衡的原理建立機理模型，作為生料漿質量預測的主規律模型；針對堿液成分波動大且難以實時檢測的問題，對堿液成分含量建立了神經網路預測模型，並和機理模型進行嵌套集成；利用灰色理論對機理模型的偏差數據進行信息挖掘，建立了gm （ 1 ， 1 ）補償模型，並與機理模型進行並聯集成，獲得生料漿質量預測模型。
  9. The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets

    低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為，分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度，總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時間不同，金屬間化合物的生成情況。
  10. Through malfunction of the tests of 810 research institute, the combustion performance of the hybrid motor and model about regression rate have been studied in the dissertation. the main aspects are as follows : the performance of the hno3 + n2o4 - htpb hybrid rocket motor were all discussed

    本文結合航天科技集團公司810研究所正在研製的ak - 20l / htpb + al組合固液火箭發動機，開展了固液火箭發動機混合燃燒特性的數值模擬工作，在此基礎上給出固體燃料退移速率預示模型及預示結果。
  11. Market prediction and cost analyse of debris brick

    煤矸石燒結磚的市場預測及成本分析
  12. The effect of partial prealloying on the sintering process of diamond saw segment

    部分預合金化對金剛石鋸片胎體燒結過程的影響
  13. Limnoa has been synthesized from self - synthesized material y - mn203 by wet moist chemical method under different sinter conditions in argon. the material was analyzed by xrd, sem. it is shown by xrd that material is limno2 single phase in 450 keeping 5h, then in 600 ? sintering 6h in argon

    通過xrd物相分析發現:以自制原料y一mnzo3為錳源，在a :氣保護下，採用濕化學法，在450下，預燒結5h研磨后再於600下燒結6h ，可以合成出單相limnoz 。
  14. The sintering between tic powders can make the tic preforms with network structure

    熱壓法集預制體成型和預燒結於一身，成功率高。
  15. Samples with various compositions were prepared through different calcined temperature, sinter temperature and different maintained time at sinter temperature. the structure, density, shrinkage, and piezoelectric properties were investigated

    選取部分組成點，採用不同的預合成溫度、燒結溫度和保溫時間制各樣品，測試各樣品的晶體結構、體積密度、線收縮率和壓電性能。
  16. Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively

    利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究，結果顯示，所制備的薄膜為六方纖鋅礦型結構，具有高c軸擇優取向性；表面均勻、緻密，薄膜材料由許多星狀晶粒組成，晶粒尺寸大約為10 - 30nm左右；薄膜可見光透過率平均可達90 % ；對薄膜厚度以及電學性能進行了測定后發現：單次鍍膜厚度約為75 - 240nm ， al ~ （ 3 + ）離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內；分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。
  17. After prep - baking and making - granule, under different temperature we baking on the preceding powder, and it proof the most proper baking temperature is 1440. under 1440, we do the excessive zinc oxide experiment, and find when zinc oxide excessiving3 %, we can get the best production which i is 5962

    將制備得到的前驅粉在850 2 . 5h條件進行預燒、制粒后，在不同焙燒溫度下進行了鐵氧體焙燒試驗，並對最優配方下zno過量條件進行試驗研究。結果表明，在焙燒溫度1440 ， zno過量3 %的條件下，可制得i為5962的高磁導率鐵氧體。
  18. The multilayer composite including a hard component tz - 3y20a and a plastic soft component mo has been fabricated by particle sedimentation method. by choosing appropriate settling parameters and dispersed medium, the tz - 3y20a / mo multilayer composite has been obtained via alternating deposition of tz - 3y20a and mo according to the design of individual layer thickness and layer thickness " ratio

    採用顆粒沉降成型工藝，選用適當的沉降參數與分散介質，將tz - 3y20a陶瓷粉和mo金屬粉按設計的層厚和層數進行交互沉降，得到預成型體，再經1500 ? 20mpa ? 1h熱壓燒結，制備出緻密的tz - 3y20a mo疊層材料。
  19. The temperature of burned and unburned areas, rate of heat release, pressure in - cylinder and the thickness of compositions in running process of engine can be calculated by the model, the calculated results are accord with the measured results in a hydrogen ? fueled engine

    該燃燒模型可以對有關狀態參數、放熱率和組分濃度等進行預測分析。預測結果與實測結果的對比表明該模型具有較好的適用性。
  20. In this thesis adding the pre - process carbon nanotubes into the powder of silicon nitride, with ball milling, drying and sieving, fabricate the silicon nitride ceramics applying the hp sintering method, which in order to improve the toughness of the silicon nitride

    本文就是利用碳納米管優良的力學性能，在對其預處理后，將其添加到氮化硅陶瓷粉末中，經球磨、乾燥、過篩后，採用熱壓燒結工藝，制備氮化硅陶瓷，以期改善氮化硅陶瓷的韌性。
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