預熔 的英文怎麼說

中文拼音 [yùróng]
預熔 英文
pre fusion method
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 熔 : 動詞（熔化） melt; fuse; smelt
  1. In the investigations on laser cladding, experiments and analyses of laser clad nickel - based alloys and nickel - based ceramal composite alloys on steel substrates were performed to improve wear - resistance and corrosion - resistance properties of the coatings

    以提高材料表面的耐磨、耐蝕等性能為目的，採用預置和送粉熔覆工藝方式，對常用的鎳基合金和鎳基碳化鎢金屬陶瓷合金塗層進行系統研究。
  2. The optical fiber preparation collapsar plc control system is a set of equipment that be using at the scene by yofc

    光纖預制棒熔縮機plc控制系統是長飛光纖光纜有限公司正在工業現場使用的一套生產設備。
  3. The research and development of the optical fiber preparation collapsar plc control system has the important significance for realizing plc control system made in our country early and improving the quality of the optical fiber preparation

    本項目的研究和開發，為盡早實現光纖預制棒熔縮機控制系統國產化，不斷提高光纖預制棒的質量具有重要意義。
  4. The paper describes the work as follows. first, based on the knowledge of collapsar technics, this paper analyzes the characteristic of optical fiber collaperser machine software system and hardware structure, a p8 system and it ' s development kit has been installed first in china, and the hardware system of the optical fiber preparation collapsar has been designed and debugged

    本文主要做了以下幾方面工作：首先，在了解光纖預制棒熔縮機工藝的基礎上，剖析了長飛光纖光纜有限公司的光纖預制棒熔縮機的軟、硬體的特性，在國內首次組裝了p8及開發系統，設計出光纖預制棒熔縮機的硬體系統，並作了調試。
  5. A theoretical formula was applied to this process so that the open circuit voltage could predict the limit of deoxidization reaction

    通過電池電動勢與時間關系的數學模型，得出外電路電壓與熔池中氧含量的關系，從而根據外電路電壓可以預測脫氧反應進行的程度。
  6. The company combines exploiting, developing and producing as an integrated system. the main products include calcium alumina, smetling synthetical slag, deoxidizer, calcium silicate

    人，以開發研製生產為一體，主要產品有鋁酸鈣預熔型合成渣脫氧劑硅酸鈣等。
  7. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料，採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系，繪制了這11組體系的t - x相圖，測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定；並對18烷-羧酸系列進行了熱力學理論預測。
  8. Mathematical model for predicting melt - erosion in gun barrels

    身管熔化燒蝕的預測數學模型
  9. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法，建立了適合醇-羧酸等系列二元體系的單參數margules方程，本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸，並利用整個實驗數據對模型進行了檢驗，另外，本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測，通過與實驗數據進行比較，預測的低共熔溫度與實驗測定溫度較為吻合，其相對誤差為0 . 51 ，這將為快速獲取多元體系的相變材料提供預測方法。
  10. In addition, the premelting mole fraction of the surface of these two metals is fitted with the corresponding temperature to obtain a relational expression which is able to forecast the disordering progress of this surface

    另外，通過將該面預熔摩爾分數對溫度進行擬合發現，可以近似地預測（ 001 ）面的預熔過程。
  11. Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - coal furnace slag

    塗料和其它相關產品應用前鋼基體的預處理.非金屬噴砂清理磨料規范.煤爐熔渣
  12. Predictive model for local core melting accident caused by subassembly blockage in a fast reactor

    快堆局部堵流所致堆芯局部熔化事故的預測模型
  13. The ion exchange quomodo was innovated, and the idea was first brought forward that the ion exchange reaction were occurred after the precursors were pretreated. the ion exchange reaction in molt salt was further studied

    本論文對離子交換反應的方式進行了創新，首次提出先將前驅體進行預處理再離子交換的思想，並對熔融鹽介質中進行的離子交換反應做了深入研究。
  14. 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，通過分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分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。
  15. The pressureless infiltration technique means that the spontaneous infiltration of the refined molten al or al - si alloy into the power bed, contains the filler reinforcement particle and k2tip4, occurred at 900 to fabricate sicp / al or sicp / al - si composites, without the aid of any externally applied pressure or vacuum, only by its gravity

    無壓自浸滲法是指在不藉助任何外力作用下，把熔煉好的鋁液，經精煉，調溫后，澆入經過預熱，含有增強體顆粒與助滲劑的混合體粉末中。
  16. Liquid - solid extrusion of composite material is a new kind of metal forming process, which has been developed in recent years with a promising practical application prospect for its simple working procedure, low cost and good workpiece performance. through a lot of experiments, the optimization and chosing method of key process parameters ( pouring temperature, mold warm - up temperature, impregnating pressure, impregnating time ) has been mastered. under the precondition of appropriate chosing these parameters, the effective control of extrusion velocity is the key of mading good workpiece. but the control of extrusion velocity remains a handwork, and it is heavily affected by such uncertainties as a handler ' s knowledge and skill about the process. in order to solve the problem, the automatic control of the extrusion velocity is studied, and a computer control system is also designed under existing condition

    通過大量實驗，已掌握了關鍵工藝參數（熔液澆注溫度、擠壓模預熱溫度、浸漬時間、浸漬力）的優化選取方法。在合理選取關鍵工藝參數的前提下，擠壓速度的控制是成形出質量良好製件的關鍵。但是，目前對于擠壓速度的控制仍停留在手動控制階段，利用該工藝制備管、棒材製件的成功與否受操作者對該工藝及其設備的經驗及熟練程度等不確定因素影響很大。
  17. A neural networks model based on pca - cga - rbf was proposed to infer the mi of manufactured products from real process variables

    摘要建立一個基於pca - cga - rbf的徑向基函數網路模型，從過程變量中預則產品的熔融指數（ mi ） 。
  18. With engaged in person who cast crystallization device electroplate copper repair and new product make in succession, crystallization device always becomes and makes, overhaul of the equipments and reorganize and outfit, refractory material of casting etc. and person who melt hollow particle cast, spend, protect dreg production, storage transportation, etc

    是以從事連鑄機結晶器電鍍銅板修復及新品製作結晶器總成製造連鑄機設備檢修與整備耐火材料及預熔型空心顆粒連鑄用保護渣生產倉儲運輸等為主體的綜合性集體企業。
  19. The results indicate that there are some quasiliquid layers on plane ( 001 ) at some temperature below the melting points of the prefect crystals

    結果表明， （ 001 ）面在低於其完整晶體的熔化溫度出現預熔。
  20. Using the modified analytic embedded - atom method ( maeam ), the molecular dynamics ( md ) simulation was performed to study the premelting and melting behavior of ( 001 ) plane of niobium and tungsten

    摘要採用改進分析型嵌入原子方法（ maeam ） ，對鈮、鎢晶體的（ 001 ）面預熔和熔化過程進行分子動力學模擬。
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