結溫 的英文怎麼說

中文拼音 [jiēwēn]
結溫 英文
junction temperature
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 溫 : Ⅰ形容詞（不冷不熱） warm; lukewarm; hot; gentle; mild Ⅱ名詞1 （溫度） temperature 2 （瘟） acute ...
  1. ( 2 ) the properties of the material with finer andalusite particle size are superior to those of coarse particle size at lower temperature, but properties of material of fine and coarse particle size have little difference at higher temperature. this illustrates that the andalusite particle size can lower the sintering temperature and that it brings forth not remarkable influence on the property of the material when the material is sintered completely

    （ 2 ）對于不同粒度的原料，在燒成溫度較低的情況下，粒度小的材料性能明顯高於粒度大的材料，但在燒成溫度較高的情況下，兩者差別不大，說明原料粒度減小能降低製品的燒結溫度，但在制品均完全燒結的情況下對材料性能影響不大。
  2. The main results are shown as follows : 1. bt _ 4 doped with cuo could be sintered in a lower temperature, because cuo has a low melting point. there isn ’ t any other phase in the samples. the dielectric properties decreased because cuo was non - crystalloid

    本人工作的主要研究成果如下: 1 . bt _ 4摻雜低熔點的cuo能降低樣品的燒結溫度，沒有其他相生成，燒結后cuo以無定形態的形式存在，導致樣品介電性能降低。
  3. The studies indicate that different content of pyrophyllite and dolomite can cause the following three cases : ( 1 ) making the refractory point decrease linearly and, to some extent, influencing the microstructure and properties of sintered body ; ( 2 ) acceleratingmullite formation during sintering, reducing thermal expansion coefficient of bond, reinforcing the matching nature and improving the flexural strength and shock strength ; ( 3 ) preventing sic grinding tool from generating black core, expanding suitable sintering temperature range of sic grinding tool

    同時，也不同程度地影響了磨具燒結體的微觀結構和性能； （ 2 ）可促進在燒結過程中莫來石的形成，降低結合劑的熱膨脹系數，加強了結合劑與磨料的匹配性，提高了磨具的抗折強度和抗沖擊強度； （ 3 ）在一定溫度范圍內還可防止碳化硅磨具出現黑心現象，拓寬了碳化硅磨具的燒結溫度適應范圍。
  4. For the ceramic materials, the effects of additives such as pbo, b2o3, co2o3, mno2, cr2o3, sb2o3 on the electrical properties of bismuth - free zno - glass varistor were studied. the glass phase formed mainly by pbo and b2o3 during sintering process could decrease the sintering temperature, improve grain uniform growth and inhibit grain second growth. nonlinear property could be improved by properly adding co2o3, mno2, and cr2o3

    對瓷料而言，系統研究了非bi系zno -玻璃料配方體系中pbo 、 b2o3 、 co2o3 、 mno2 、 cr2o3 、 sb2o3等添加劑對壓敏電阻電性能的影響規律，其中， pbo 、 b2o3在燒結過程中形成的玻璃相，可降低燒結溫度，促進晶粒均勻生長，抑制晶粒二次長大， co2o3 、 mno2 、 cr2o3做為非線性添加劑，適量添加可提高樣品的非線性， sb2o3做為改性添加劑，在燒結過程形成的尖晶石相可細化晶粒，抑制晶粒二次生長，改善樣品的綜合電性能。
  5. The influence of burning system on the properties and structure of the ceramic capacitors has been studied under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of bi2o3 ? 3tio2. the sintering temperature dropped with the adding of bi2o3 ? 3tio2. at the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure. it results in the improving of the breakdown voltage for the middle - high voltage ceramic capacitors

    研究了燒成工藝制度對電容器陶瓷性能和結構的影響，結果表明：在一定的升溫保溫時間下，瓷料的最佳燒結溫度主要取決于組成中bi _ 2o _ 3 ? 3tio _ 2的含量， bi _ 2o _ 3 ? 3tio _ 2含量的增加將降低燒結溫度；在合理的燒結溫度范圍內，慢速升溫和低溫燒結將有利於得到細晶緻密結構，從而改善中高壓陶瓷電容器的耐壓強度。
  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. Effect of scanning path on temperature field in direct metal laser sintering process

    激光掃描路徑對直接金屬激光燒結溫度場的影響
  8. Begin with the comparation of two widely used methods producing the strontium titanate, the oxalate decomposition method shows its advantage hi the microstructure and future performance. the effect of caco3 is studied, and so is the effect of the donor dopant, such as nb2o5, y2o3 and la2o3. the dopant of tio2 is also considered, which involve ti / sr ratio, sintering temperature, oxygen partial pressure, donor dopant, grain growth and future electric performance

    從對比草酸鹽分解法和固相合成法這兩種制備srtio _ 3主晶相的方法開始，在予合成料的制備過程中分析了施主nb _ 2o _ 5 、 y _ 2o _ 3 、 la _ 2o _ 3以及caco _ 3所產生的影響；在tio _ 2摻雜的問題上，綜合考慮了ti / sr比、燒結溫度、氧分壓、施主摻雜、晶粒的微觀生長與成瓷后的元件宏觀電性能等之間的相互關系。
  9. Theimportant technological parameters, which influence significantly thecharacterization of the screen - printed ysz electrolyte thin films, includingparticle size and particle size distribution of the starting ysz powder, composition of the screen - printing ink, sintering temperature of the screenprintedysz green films and printing times were investigated in detail

    系統研究了影響絲網印刷工藝的幾個重要參數，如ysz粉末的粒徑及粒徑分佈、印刷漿料的組成、電解質膜坯體的燒結溫度和印刷層數。
  10. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  11. The homogenisation temperature, that is the temperature at which the fluid and vapour phases coalesce, is the minimum temperature of depositionof the mineral.

    均化溫度，即流體與汽態聚結溫度，是礦物沉積的最低溫度。
  12. Bell - style hydrogen furnace : the bell - style hydrogen furnace can be operated at temperature as high as 2050oc under reducing or inert atmosphere such as hydrogen, nitrogen and argon

    從美國進口的高溫真空氣氛燒結爐，最高燒結溫度2050 ，能在氫氣、氮氣以及氬氣等氣氛下完成工藝操作。
  13. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備，介紹了燒結ndfeb制備工藝和發展，在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響，並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段，將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。
  14. Theoretical analysis indicates, the two technology helps reduce the concentration of current, lower the peak junction - temperature, and effectively avoid the appearance of devices " breakdown caused by heat and current

    理論分析表明：上述兩種技術，有利於減小電流集中現象，降低器件峰值結溫，避免熱擊穿和二次擊穿的發生。
  15. Baseing on the request of low coercivity and high squareness in application, we had confirmed the main formulation of the lizn ferrite ; during the study of the conventional ceramic process, with the main formula foundation, we mainly studied the influence of ti4 +, co3 + on lowering coercivity and bi2o3, v2o5 on lowering sinter temperature. the results showed bi2o3 good characteristic on lowering sinter temperature and the sample which mixed with 1 % bi2o3 could reduce 40 % coercivity through slowing heating rate and extending the holding time

    在氧化物陶瓷工藝技術研究中，按實際應用中低矯頑力、高矩形比的要求，確定了lizn鐵氧體的主配方，在主配方基礎上進行了ti4 + 、 co3 +等離子對降低矯頑力的研究以及添加bi2o3 、 v2o5助熔劑對降低燒結溫度的研究，發現bi2o3具有優良的降低燒結溫度的特性，在添加bi2o3樣品燒結過程中，降低升溫速率，延長保溫時間可以降低40 %左右的矯頑力。
  16. The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1

    3 、基於燒結頸長大速率與緻密化動力學方程得出，影響二氧化鈾低溫燒結的因素有原始粉末粒徑、粉末堆積方式、坯塊原始密度、燒結溫度、燒結時間、燒結氣氛等;粉末壓坯一定時，燒結溫度、燒結時間和燒結氣氛就成為控制低溫燒結的關鍵因素。
  17. Actual measure and numerical simulated forecast analysis of dangerous position freeze temperature field of deep topsoil layer

    深厚表土層危險層位凍結溫度場實測與數值模擬預測分析
  18. Experimental results show, with the not - uniform two - direction ballasting technology, the peak junction - temperature at the center of the chip can be lessened 7 - 10 surface temperature of the case can also reduce 3 - 7, and the heat - dissipating property of the power devices has distinct improvement

    實驗結果表明：具有非均勻雙向鎮流電阻結構的雙極功率器件，其晶元中心峰值結溫ih了村技人學博士論文可降低7 10ac ，谷殼表面的溫度也可降低3 7c ，器件的敝熱特性明顯岱島。
  19. This article studies the main factors, which affect the extract ratio of aluminum oxide from lean alumina ore, such as the ratio of raw material, particle size, broiled temperature, and broiled time

    摘要探討了原料配比、粒度以及配料燒結溫度、時間等工藝因素對貧鋁礬土中氧化鋁的提取效率的影響。
  20. Along with the rising of sintering temperature and the increasing of heat preservation time, the porosity and water absorption reduced, the density and bending strength increased, the bending strength was mostly estimated by the porosity

    隨著燒結溫度的升高和保溫時間的延長，顯氣孔率和吸水率逐漸減小，體積密度逐漸增加。抗彎強度隨著燒結溫度的升高和保溫時間的延長而增加，多孔燒結體的強度可以主要通過氣孔率來判斷。
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