熔化固體 的英文怎麼說
中文拼音 [rónghuàgùtǐ]
熔化固體
英文
melting solid-
Mcfc ( molten carbonate fuel ceil ), which is one of two kinds of high temperature fuel cells, have been researched in most of countries
高溫燃料電池熔融碳酸鹽燃料電池（ mcfc ）或者固體氧化物燃料電池（ sofc ）和汽輪機組成的聯合循環發電系統更具吸引力。Based on the petrological, petrochemical and geochemical analyses about these rocks, it is concluded in this paper that the xenoliths were originated from the upper mantle, and comprised of both primitive pyrolite and the infusible solid residual of the upper pyrolite while the basaltic magma was melted out of it, which were brought up to the earth ' s surface via o1carnc eruption
根據其巖石學、巖石化學及地球化學特徵分析，包體來源於上地幔，其成因既有原始地幔巖，亦有上地幔巖經部分熔融出玄武巖漿后的難熔固相殘留物，被火山噴發攜帶至地表。Integrating melting, purification and solidification, the system has convenient control, strong ability to mix and oxidize and higher efficiency, and can produce pure and high - class materials with unidirectional microstructure
該工藝將真空感應熔煉和連續定向凝固技術結合在一起，集熔化、提純、凝固於一體，控制方便，攪拌、脫氧能力強，生產效率高，能生產純凈度高、性能好的定向凝固材料。Travis engen, alcan president and ceo platt ' s metals week primary aluminum production would continue moving away from the us because of power availability. western manufactures should look toward opportunities in areas of new technology development that reduce co2 emissions and new processes that move move from molten to solid in a smaller number of steps
Travis engen ， alcan總裁及首席執行官platts金屬周刊由於電力需求原故，初級鋁金屬生產將會陸續離開美國西部生產商應該望向發展新科技的地區，這些科技可以減少二氧化碳排放，而嶄新從熔化體轉為固體的處理過程，可涉及更少工序。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。However, the disadvantage of laser welding is the so - called post - weld - shift ( pws ). the end result is a reduction in light coupling efficiency. the shrinkage force generated by the solidification process is so great that no known mechanical structure can counteract the shrinkage from shifting the joint ? at least at the micron level
這種封裝技術最大的缺點是會使激光二極體的封裝產生焊後偏移（ pws ） ，很少有一種機械的方法可以校正這種焊後偏移到亞微米級別，目前激光錘被證明是一種很有效的校正方法，激光錘校正作用過程就是利用金屬熔化凝固冷卻產生的內應力來恢復焊後偏移的過程。An attempt has been made by the author to quantify the effect of the covalent bonding on the metallic bonding of most metals by assigning covalent - metallitivities ( c - m ) values to some of the solid elements based on their melting temperatures in as compared to carbon ( diamond ), with a melting temperature of 3500, which is assumed to be 100 % covalently bonded and have a covalent - metallitivity of 4. 0
作者試圖根據某些固體物質的按攝氏度計算的熔點與碳（金剛石）的比較，指定其共價金屬活性（ c - m ）的值，來量化在大多數金屬上的金屬性化學鍵的共價鍵作用， （比如） ， 3500攝氏度的熔點被認為是100的共價化合，且其金屬活性為4 . 0 。Being fine, homogeneous and free of melting, the powder prepared by mechanical alloying has applied to develop scattering strengthen - material, magnetic material, high - temperature material, superconductivity material, amorphous, and non - equilibrium material, compound material etc. as a high - tech technology to prepare alloying powder, ma has become a more and more important method for preparing new materials
機械合金化法制備的粉末晶粒細小、成分均勻，且能避免熔化過程，已用於開發研製彌散強化材料、磁性材料、高溫材料、超導材料、非晶、準晶、納米晶等各種狀態的非平衡材料、復合材料、輕金屬高比強材料、儲氫材料、過飽和固溶體等。作為制備合金粉末的非平衡高新技術，越來越成為一種制備新材料的重要方法。Also, as dendrites solidify and shrink in volume, replacement of melt must flow along a tortuous path of interleaving dendrites
此外，作為晶體固化和量的收縮，熔化物的替代品一定會沿著交錯的晶體網路流過一段曲折的路程。Standard practice for dissolution of solid waste by lithium metaborate fusion
用偏硼酸鋰熔化法溶解固體廢棄物的標準實施規范Proton exchange memebrane fuel cell ( pemfc ) is the fifth generation of fuel cell after the alkaline fuel cell, phosphorous fuel cell, molten carbonate fuel cell and solid oxide fuel cell
質子交換膜燃料電池是繼堿性燃料電池、磷酸燃料電池、熔融碳酸鹽燃料電池和固體氧化物燃料電池之後發展起來的第五代燃料電池。Electrospinning origins from that electrically charged fluid is forced jets in the high voltage electrostatic field. electrospinning occurs when the electrical forces at the surface of a polymer solution or melt overcome the surface tension and cause an electrically charged jet to be ejected. when the jet dries or solidified, an electrically charged fiber remains
電紡絲技術是基於高壓靜電場下導電流體產生高速噴射的原理發展而來，其基本過程是：聚合物溶液或熔體在幾千至幾萬伏的高壓靜電場下克服表面張力而產生帶電噴射流，溶液或熔體射流在噴射過程中乾燥、固化，並保持一定電荷量，最終落在接收裝置上形成纖維氈或其它形狀的纖維結構物。The amount of nb3si / nb5si3 increases, their morphology tends to be more regular, their distribution becomes more homogeneously with the increasing of withdrawing rate. the microstructure is better oriented along the longitudinal axis of the samples when the withdrawing rate is between 0. 6 and 6. 0mm / min. at the same withdrawing rate, the microstructure changes from the beginning part to the ending part of the samples
鈮?硅基rmics材料原始鑄態組織由初生nb基固溶體和在其間分佈的nb基固溶體+硅化鈮共晶團組成；隨著抽拉速率的增大，定向凝固共晶組織中硅化鈮強化相細化、數量增多、分佈趨于規則和均勻，定向效果顯著；在相同抽拉速率條件下，區熔試樣的組織從起始段到終止段發生了改變。During the laser sintering, due to the large liquid phase viscosity and surface tension, the balling effect occurred when the molten did not wet the solid metal particle and the underlying substrate
實驗發現，在液相粘度較高、表面張力大，熔體材料不浸潤固相顆粒和基板等因素的影響下，燒結過程中出現了球化現象。Embedded in a flux of dehydrated b2o3, melts of ge and ag etc. were undercooled by repeatedly treatment of melting and solidifying with a dsc facility, with undercooling of 190 k and 146. 9 k respectively for ge and ag
對半導體ge 、金屬ag等樣品的過冷現象進行了研究和分析。通過助熔劑包裹和反復熔化與凝固處理，實驗得到的ge 、 ag的最大過冷度分別為190k和146 . 9k 。In the paper, the current developments of rapid prototyping at home and abroad, the molding methods of rapid prototyping, their characteristics and the condition of applications were introduced, indicated that sterolithography apparatus ( sla ) selective laser sintering ( sls ), laminated object manufacturing ( lom ) and fused deposition modeling ( fdm ) were the several main prototyping methods of rapid prototyping at present, and their prototyping principle were briefly discussed
本文首先介紹了快速成型技術的國內外發展現狀、快速成型技術的成型方式、成型特點和應用狀況，指出立體光固化（ sla ） 、選擇性激光燒結（ sls ） 、分層實體製造（ lom ） 、熔積成型（ fdm ）是目前使用的幾種主要成型方式，並對它們的成型原理進行了簡要介紹。Using the special stirring equipment and the optimized stirring processing, some semi - solid al matrix in - situ composites slurry with small size of al3fe reinforcement phase and even distribution of reinforcement particles in mixing melts are achieved
在專用攪拌設備與優化設計后的攪拌方案共同作用下，能獲得具有細小的強化相，且強化相粒子在熔體中分佈均勻的半固態鋁基原位復合材料漿料。Pole shifts are a cataclysmic inversion of the planet ' s axis of rotation, up to 180 degrees ; a sudden slippage of the planet ' s solid crust around the molten core
磁極轉換是行星旋轉軸的大變動倒置，等於180度翻轉；在熔化的地核周圍行星固體外殼突然意外的滑移。The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes
另外，論文通過大量的熱力學分析，得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件，揭示了氣孔演化的趨勢；論文還根據內生氣源發泡的特點，初步建立了高溫熔體中氣體發泡高度隨時間變化的方程，為進一步深入的研究發泡機理奠定了一定的基礎。分享友人