熔化時分 的英文怎麼說

中文拼音 [rónghuàshífēn]
熔化時分 英文
a melting moment
  • : 動詞(熔化) melt; fuse; smelt
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 熔化 : melt; smelt; meltdown; fusion; fusation; diatexis; eliquation; run; melting; smelting
  • 時分 : 時分time:黃昏時分 at dusk; at twiligh; cock-shut time
  1. Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits

    最後,綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料,得出如下結論:本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖;與中國東部以及華北地臺上地幔相比,研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵,局部融程度較高;上地幔存在橫向和縱向的不均一性,從西部的克里陽到喀拉喀什河和玉龍喀什河流域, al和lree富集程度呈下降趨勢,不同來源的相同礦物中主元素的含量差異較大;地質歷史期這里可能發生過地殼俯沖並產生殼幔混合作用;玄武巖漿的起源深度73km ;從幔源重砂礦物的溫壓估算結果,可以推斷出巖石圈厚度可達204 . 9km ;綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的學成,認為研究區具備了金剛石成礦地幔地質條件。
  2. Extracting oat oil with aceton, petrobenzine, ethano - aceton and n - hexne from oat, determining quality of physical and chemic about acidity value, iodic value, saponification value, unsaponification, colour and melting point, analysis on composition of fatty acid on oat oil

    摘要別以乙醚、丙酮、丙酮乙醇、正己烷對燕麥進行萃取,對所得油脂進行酸價、碘價、皂值、不皂物、色澤、點等理性質的測定,同對燕麥油的脂肪酸組成進行析。
  3. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從段焊和局部加熱兩個方面進行了優,結果表明:採用普通工藝焊接,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的合線附近(危險區域)出現了峰值;在採用優段焊,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  4. By analyzing the microstructure of as - cast alloys with different surplus of samarium added, the optimum surplus of samarium is decided. by comparing the microstructure of the alloys annealed for different time, the ideal and economical annealing time is confirmed. the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns

    本論文首先就煉工藝參數對鑄態組織微結構的影響進行了探討,並制定出一套較為合適的煉工藝;通過對不同釤加入量的鑄態組織微觀結構的觀察析,確定了原料配置過程中釤的最佳補償量;通過對採用不同退火間的合金組織進行比較,確定了理想、經濟的退火間;同還利用掃描電子顯微圖像和x射線衍射圖譜,比較了整個制備過程中,試樣微結構和相組成的變情況。
  5. Strong negative 8 eu shows the granites are high evolved granite. ( 6 ) the tetrad effect of ree and the obvious fractionation between k - rb, y - ho, zr - hf, nb - ta, and sr - eu in the dajishan granites indicate that, the aqueous fluid pays an important role in the evolution of the granites, as well as indicate that there exist enough interaction between peraluminous melt and aqueous magmatic fluid. furthermore the fluorine played a very important role in this process

    ( 6 )大吉山花崗巖類稀士元素具有「四重效應」配的特點以及微量元素對kjrb 、 y / ho 、 zr艦f以及nb / ta發生明顯異,暗示在花崗巖巖漿的演過程中,經歷了充的流體一體作用,同異出大量富含f 、 w等礦劑元素和成礦元素的熱液流體,致使鎢礦的形成。
  6. This part convincingly demonstrated the great importance of the development of the school image in the new era, with the respects of the school image and management, the school image and school special features and brand, the school image and school culture, the school image and team spirits. it elaborated that the development of the school image is beneficial to manage the school scientifically, reasonably and systematically and run a school with the managerial way, is conducive to create and set up the school brand and run a school with own specialty and fame, is conducive to create the cultural atmosphere, refine cultural connotation and run a school culturally, is conducive to melt the team, upgrade the spirit, construct the organization in the character of learning and run a school in a way of sustained development

    理論部在了解了學校形象概念的基礎上,側重談了建設學校形象的意義,別從學校形象與學校管理、學校形象與學校特色和品牌、學校形象與學校文以及學校形象與團隊精神四個視角加以析研究,有力地闡明了新期學校形象建設的重要性,認為建設學校形象有助於科學、系統、合理地管理學校,走管理辦學的道路;有助於創建學校特色和打造學校品牌,走個性和品牌辦學的道路;有助於營建文氛圍、錘煉文內涵,走文辦學的道路;有助於煉團隊、提升精神、建設學習型組織,走可持續發展的道路。
  7. 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,融溫度及解溫度降低,且伴有氧解反應;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,銅粉30份、石墨30 - 40份,銅粉60 、石墨15 - 30份,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻結晶度最大,磨損量也是三者中最大的;同,固體潤滑劑試樣在空氣冷卻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 。
  8. Preparation, structure and properties of hdpe ~ g ~ aa / mmt nanocomposites melt grafting reaction of hdpe with aa was performed in thermohaake rheomix and hdpe - g - aa with high grafting degree and high grafting efficiency was prepared. the change of torque indicated that the graft copolymerization was existed during melt compounding. the extent of grafting was analyzed by ftir and element analysis

    在hdpe中只加過氧二異丙苯( dcp ),由於發生交聯反應而使平衡扭矩明顯增加,點和結晶度降低,加入aa后, aa與hdpe的接枝和hdpe自身的交聯並存,前者對後者有抑制作用,從而使扭矩下降,點和結晶度部恢復。
  9. Experimental results show that the order of fluoride salt being put in and flux type also influences the phases constitution, morphology, distribution and absorbent rate of ti and b. the experiments on remelting master alloys and al or al alloys at a certain temperature range show that the phases constitution and size have a remarkable heredity

    試驗結果表明,不同的氟鹽加入順序和劑種類的不同也直接影響著中間合金中合物的相組成、形態、佈以及中間合金中ti 、 b的實收率等。在用純鈦顆粒法制備中間合金煉溫度的改變只能影響tial _ 3晶體的尺寸大小,而無法改變其形態。
  10. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充利用的結論;給出了不同注射壓力下,型腔壓力與充模間關系曲線和喂料體平均充填速度與充模間關系的曲線,得到了注射壓力對充填間和型腔壓力的影響規律,確定了最佳的充模間、注射間和注射壓力;通過析採用不同位置澆口注射注射件關鍵位置單元的流動速度和壓力佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優了澆口設置。
  11. Sea salt not only dissolves from rocks, it also reacts with the rocks of the ocean crust and volcanic lava. the reactions take some of the salts in seawater away from the sea

    巖石溶解產生海鹽,而同,海鹽又與大洋地殼中的巖石和火山巖進行學反應,從而把一部從海水中帶走。
  12. Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. , if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios

    文摘:在某些廢鋼煉過程中,當爐料中含碳及碳氫物質且燃燒不充,會帶來煙氣中一氧碳的燃爆、油污揮發造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成間的改變以及二次燃燒率的變,試驗結果表明,反應過程的限制性環節是油的熱解;在較低的溫度下( co ) / ( co2 )比例影響轉率和二次燃燒率;而在任意比例下保證充反應的溫度為900以上
  13. 3. the effect of melting temperature and time on the properties of na2o4teo2 glass from different raw materials is studied and proper melting temperature and time for making na2o4teo2 glass with composition close to the designed one are determined. it is found that when melted at low temperature for short time, the na2o4teo2 glass from different raw materials will show different thermal properties

    通過熱析和紅外析等手段,對由不同原料在不同條件下所得的玻璃進行析,發現條件不同,由不同原料所得玻璃的性能也有很大差別,發現了不同研究者報導的同成玻璃性能不一致的根本原因是制條件不同導致的玻璃成差別。
  14. In this paper the formula, the technics, the dosage of the filler and the macromolecule coupling agent are studied which influence the technics condition, mechanical properties, structure configuration. also x - ray large angle diffraction, scan electron microscope, dta etc are used to analysis and test the properties of the pp / talc composites. conclusions as follows : 1

    本文系統地研究了復合體系配方、工藝方法、填料及偶聯劑用量對復合體系工藝條件、力學性能及結構形態的影響,同利用廣角x射線衍射、掃描電鏡、 dta等對復合體系的性能進行了測試與析,主要研究內容及結論如下: 1滑石粉的加入,雖然使pp的間增加,但是混煉能耗下降,有利於pp的加工;偶聯劑的加入,使pp的間增加,能耗略有降低,總體而言,對加工無不利影響。
  15. We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level

    給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和極限與光纖結構參數和泵浦功率的表達式,理論析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高激光增益下降,在一定的功率水平上需要進行外界的冷卻,以保證泵浦激光的效率和高功率的激光輸出。
  16. Aiming at reducing the roughness of the sidewalls in the manufacturing of the pmma liquid pool by co _ 2 lasers, in the hypothesis that the intensity of the laser has a guassian distribution, the temperature distribution in slab material with limited thickness is studied according to traditional thermal conductive formulas, and the condensing progress of the melted surface of sidewalls is researched. it is concluded from the discussion of temperature distribution that the air bulbs is the major reason for the roughness of the sidewalls

    為降低co _ 2激光加工pmma材料儲液池側壁粗糙度,本文根據傳統的熱傳導方程,假定激光強度為高斯佈,對有限厚板狀材料的溫度場進行析;並考察側壁表面層凝固過程的特徵;結果表明,側壁粗糙度形成的主要原因在於側壁表面層凝固前氣泡未及析出。
  17. The phenomenon of sample ' s ablation and the titanium clamp ' s fusion when the foundry aluminum alloy in hard anode oxidation is introduced

    摘要介紹了鑄造鋁合金硬質陽極氧發生工件燒蝕和鈦掛具斷的現象,並對燒蝕現象進行了原因析。
  18. Ultrasonic plastic welding theory is generated by the generator 20khz or 15khz pressure, high - frequency signals, the system can be adopted for the high - frequency signals into mechanical vibrations, and in plastic products working, through working surface and internal friction among elements spread by the department of the interface temperature, when the temperature reached the melting point of her own, that the working interface rapid melting, and then fill in the gaps between the interfaces when shock stop working at a certain pressure and cooling will be a perfect welding

    的高壓高頻信號通過換能系統,把信號轉換為高頻機械振動,加於塑料製品工件上,通過工件表面及內在子間的磨擦而使傳處到介面的溫度升高,當溫度達到此工件本身的,使工作介面迅速溶,繼而填充于介面間的空隙,當震動停止,工件同在一定的壓力下冷卻定形成完美的焊接.點擊數: 723錄入間: 2006 - 5 - 14
  19. Specification for approval testing of welders when welding procedure approval is not required - tig or mig welding of aluminium and its alloys

    不要求批準焊接工藝焊工的鑒定考試規范.第2部:鋁及鋁合金鎢極惰性氣體保護電弧焊或極惰性氣體保護電弧焊
  20. This is accomplished by melting plastic resin ; injecting it into the mold and then having the part separate from the mold on cooling

    這由把可塑的樹脂來完成,將之注入模型然後當冷卻從模型中將這個部離出來。
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