燒結作用 的英文怎麼說
中文拼音 [shāojiēzuòyòng]
燒結作用
英文
modulizing-
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。Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力In recent years at iron - making plant of pangang, the coke ratio of pig iron has reduced evidently by insisting on “ burden preparation ” course, improving quality of sinter, raising wind temperature, increasing rich oxygen quantity and injecting abundant pulverized coal into bf. the solid fuel consumption of sinter has been decreased greatly through insisting on using high - quality calces, practising high feed sintering, actualizing many techniques in solving key problems. at the same time, the energy source base management has been strengthened, and energy - saving work has made great progress, profits generated by energy - saving have exceeded a hundred million yuan
近年煉鐵廠通過堅持「精料」方針,改善燒結礦質量,提高風溫,增大富氧,實施大噴煤,使入爐焦比有明顯下降;燒結堅持用好生石灰,推行厚料層燒結,實施多項技術攻關,固體燃耗大幅度下降;同時加強能源基礎管理,節能工作取得長足進步,節能創效益1億元以上。As a comparison, ba1. 03ce0. 8gd0. 2o3 - was synthesized by sol - gel method. among these samples, nonstoichiometric samples were synthesized for the first time. the research work involved : the crystal phase of the sinters were determined by xrd ; ionic conduction under different experimental atmospheres was measured by gas concentration cells ; performances of hydrogen - air fuel cells with the sinters as electrolytes and porous pt as electrodes were measured
用粉末x射線衍射儀鑒定它們的結晶相;在( 600 1000 )范圍內,以燒結體作為電解質隔膜,多孔性pt黑為正、負電極, pt - rh合金網為集電極,分別組成氫濃差電池、氧濃差電池及氫?空氣燃料電池並測定了它們的性能,研究了不同氣氛下樣品的離子導電特性及影響燃料電池性能的因素。If pathological changes has restored, period of treatment was finished, recrudescent possibility is dinky ; tuberculosis has infection of n / med tuberculosis bacterium to cause, the cold has a fever is not main reason, it is inducement likely ; after tuberculosis is cured, the meeting inside body is put in dormancy bacterium, dormancy bacterium won ' t come on commonly, do not infect, it is to rely on human body resistance to keep clear of, remedy is not effective to dormancy bacterium
假如病變恢復好,療程完成了,復發的可能性極小;結核病是有結核菌感染引起的,感冒發燒不是主要原因,有可能是誘因;結核病治愈之後,體內會存在休眠菌,休眠菌一般不會發病,不傳染,是依靠肌體反抗力來清除,藥物對休眠菌不起作用。The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。As the result, we found natural scale graphite. expanded graphite by self - made, expanded graphite all had a certain flam - retardant effect and the composite inclusive of expanded graphite had the best flam - retardant effect
論文同時還據于石墨阻燃的特性,測試了復合材料的燃燒性能,結果表明,天然鱗片石墨、膨脹石墨、膨化石墨都具有一定的阻燃作用,以膨化石墨的阻燃效果最佳。Study on the synthesis of corundum - mullite - gahnite multiphase materials by two - step sintering process using kaolinite as raw material showed that impurities introduced by kaolinite mainly increased the liquid amount at high temperature, which can assist sintering of specimen. the experiment results indicated that the samples with lower gahnite content had better sinterability than others. however, if the gahnite content was relative high, the promoting effect on sinterability caused by kaolinite was not significant
採用天然原料高嶺土二步煅燒合成剛玉?莫來石?鋅鋁尖晶石復相材料研究發現:天然原料中帶入的雜質主要是增加液相量,促進高溫下試樣的燒結;當尖晶石含量較低時,試樣在1300保溫2h時,在1600燒后試樣燒結性能相比之下較好;而當鋅鋁尖晶石含量較高時,天然料對試樣的促燒作用不是非常明顯。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。Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data
另外,本文通過對造粒技術、燒結過程的大員文獻調研,結合本研究的具體情況,通過控制進料速率呈連續性變化,基本實現了燒結前球坯直徑的線性生長變化,從而更有利於實際生產中的產品粒度控制以及做到節約用料,並在試驗操作中以離散型進料速率變化來加以比較驗證。The modification effects of wollastonite on the properties of the sls part were investigated
研究了硅灰石對尼龍12燒結材料的填充改性作用。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。In sintering process, for melted mineral fines bind unmelted core ores when cooled, the self - intensity of binding phase in iron ores is one of the basic indexes to estimate sintered binding status
摘要在鐵礦粉燒結過程中,熔化的礦粉在冷卻過程中起著粘結周圍未熔礦粉的作用,因此這一粘結相的自身強度是衡量燒結礦固結狀況的重要指標之一。And is it the same as under radiation heating ? do the special electric and magnetic fields produced by bpec accelerate atom diffusion ? understanding the above questions fully is a key to expose the mechanism of pecht
在脈沖大電流加工過程中原子是如何擴散的,與一般的加熱燒結、焊接是否一樣,脈沖大電流形成的特殊電場及磁場是否對原子的擴散有大的推動作用,弄清這些問題成為進一步揭示脈沖大電流熱加工機理的關鍵。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。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。The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning
本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究,然後將包含微藻的綠化苗圃地肥土按不同比例接種進入貧瘠土樣中,分別在光照條件和黑暗條件下進行培養,在0天、 30天、 60天和90天分別檢測以上指標,比較有光條件和無光條件下,即有藻條件和無藻條件下貧瘠土樣所發生的變化,並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析,以評估肥沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明: ( 1 )土壤微藻對環境有較強的適應能力,且光照對其分佈起了決定性的作用。Waxes for high grade tile dirt - proof : excellent combining curing material and waxed synthesis, effectively seals off the residual pore after polish and agglutination of smooth porcelain, normal temperature operation, convenient quickly, causes lastingly to polish the smooth porcelain luminous to be long
高級瓷磚防污用蠟:本產品通過光固化材料與蠟狀物的有機結合,有效封堵拋光磚在燒結和拋光后殘留的微孔,常溫操作,方便快捷,使拋光磚持久光亮潔凈。Speed air and fuel mix - up performance, fast burning, extra power output, engine running smooth
增加溶氧量、提高燃點,加快汽油和空氣的結合作用,燃燒迅速,爆發動力加倍,使引擎運轉更加順暢。The ni - cu solid solution has the same function as ni and cu additives to promote the densification of w - mo - ti system composites
Ni - cu固溶體顯示出與ni 、 cu燒結劑同樣的活化燒結作用。分享友人