粒鐵法 的英文怎麼說
中文拼音 [lìtiěfǎ]
粒鐵法
英文
nodulizing process-
According to the electron probe analyses and other data, some conclusions have been reached as follows : the modes of occurrence of associated silver include minerals of stephanite, bromargyrite, ag - sb - tetrahedrite, electrum etc., which occur as small grains among or between fe - mn minerals
利用電子探針等測試方法對錳礦石中伴生銀的賦存狀態進行研究，初步查明銀主要是以脆銀礦、溴角銀礦、銀銻黝銅礦、銀金礦等礦物形式存在，呈微小顆粒狀被包裹于鐵錳礦物內或礦物間隙里。Combining with practice of china ' s uranium ore heap leac hi ng, this paper proposes main ways and suitable technologies in the fields of emp hasizing feasib ility research, adop - ting strengthened technologies, improving equipment le vel, op timizing control technological factors and developing application range and so o n, which include adopting acid - curring and ferric sulphate - tric kle leaching process, bacteria heap leaching, countercurrent heap leaching, sele cting advanced material of heap bottom, developing large mechanized heap constru ction equipments and methods, popularizing drip i rrigation distributing solution, optimizing heap leaching process parameters, as we ll as developing recovery equipments suited to heap leaching, etc, in order to i n crease leaching rate, reduce heap leaching period and achieve more economic bene fits
結合我國鈾礦堆浸實際，在重視堆浸可行性研究、採用強化堆浸技術、改進堆浸裝備水平、嚴格工藝條件及拓寬堆浸的應用范圍等方面提出一些有效途徑及適用技術，包括採用拌酸熟化-高鐵淋濾浸出、細菌堆浸、制粒堆浸、逆流堆浸，選用優質底墊層材料，研製大型機械化築堆方法和設備，推廣滴灌式布液，優化堆浸工藝參數，以及開發堆浸相配套的回收設備等，以提高浸出率、縮短堆浸周期，獲得更大的經濟效益。Some main results of testing research were as fellows : i. in the course of testing of leaching zinc dross, leaching zinc dross by sulfuric acid was researched and the effects on the leaching rate of the zinc dross were analyzed by author, the optimum conditions of leaching testing of zinc dross were determined as fellows : liquid - solid ratio 6 : 1, stirring ratio 250r / min, granularity 120 mesh, the soaking time 5h, the concentration of sulfuric acid of 30 %, and under these conditions, the rate of leaching zinc is above 92. 0 %. ii. in the course of testing of purification, on the basis of comprehending and comparing all present methods of the manganese - removal and iron - removal, the oxidizing method of manganese - removal in zinc sulfate solution using ammonium persulfate was put forward and the oxidizing method of iron - removal in zinc sulfate solution using the goethite process and oxidation - hydrolysis process was adopted
研究的主要結果具體如下： 1 、研究了硫酸浸出鋅浮渣並分析了影響浸出率的各種因素，確定了浸出鋅浮渣的最佳條件為：液固比為6 ： 1 ，攪拌速度為250r min ，粒度為- 120目，酸浸時間為5 . 0h ，硫酸濃度30 ，鋅浮渣的浸出率大於92 . 0 ； 2 、在綜合和比較了目前除錳和除鐵的各種方法基礎上，提出了過硫酸銨氧化除錳方法和選擇了針鐵礦-氧化水解聯合法除鐵方法，並分析和討論了影響除錳率和除鐵率等各種因素，確定了除錳的條件為：溫度90 ， ph值5 . 4 ，反應時間3h ，過硫酸銨達到理論值的1 . 2倍，除錳率超過99 . 86 ；聯合法除鐵的條件為：氧化反應時間1 . 5小時、溫度控制在90 92 、 ph值5 . 2 5The research uncovered the facts that, in the design of space vehicles, the single event effects induced by high - energy protons and iron ions in space must be taken into account seriously, the proper hardening measures must be taken to protect the electronic devices from disfunction. it is also suggested that, for the low - orbit satellites, the south atlantic anominal zone should be avoided
宇宙高能質子和鐵離子的單粒子效應在航天任務設計中需要重點考慮，空間應用的電子學元器件，必須進行適當的抗輻射加固，在設計低軌道衛星軌道時必須設法避開南大西洋異常區（ saa ） ，航天任務設計中還需要掌握太陽質子事件總體上11年為周期的特性。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。We have found the best ways to optimize the growth of quality zno films and got highly c - axis oriented zno films. the microstructures of the films were observed by afm. after analyzing the crystal structures, the crystal tropism and the surface conformation flatness, we found the result that the substrate temperature of 400 ? is ideal for silicon substrates, which conforms to the result of the structure analyse. by analyzing the magnetism of zno films, we found that the films appropriately doped with fe, co ions have magnetism at room temperature and their magnetism can be improved by doping other little cu ion, but it is not certain that the content of cu is higher, the film has more magnetism, so it has the best content of cu. moreover, the films which have best crystal structures may not have the best magnetism
我們採用原子力顯微鏡（ afm ）方法觀察薄膜的顯微結構，利用所得的圖象信息對薄膜的晶粒結構、晶粒取向、表面形態平整度等進行分析討論，認為400的襯底溫度對硅襯底薄膜是合適的，與結構分析的結果一致。通過對薄膜磁性能的分析和研究，我們得出一些有意義的結果：適量過渡金屬離子fe 、 co摻雜的zno薄膜，在室溫下具有鐵磁性，而在此基礎上摻入少量的cu離子能改善薄膜的磁性。摻cu量有個最佳值，而且結構最好的薄膜磁性不一定最好。Iron ores - determination of size distribution by sieving
鐵礦石.篩分粒度測定方法By sims method, we analyzed the profile distribution of mn and c, found that increasing the annealing temperature is beneficial to the diffusion of mn, but has no influence to c. mfm and squid measurements demonstrate that sub micron single - domain magnetic mnas particles found in sample annealing at 850 for 15s show ferromagnetism at room temperature and have a high curie temperature more than 300k
利用二次離子質譜方法對mn和c在樣品中的分佈進行了研究，發現退火溫度的上升，有利於mn的擴散；而對c的分佈影響較小。利用磁力顯微鏡和超導量子干涉儀對樣品的磁性質進行了研究。發現在850 + 15s退火處理的樣品中形成了亞微米級單疇磁性mnas粒子；經測試其在室溫下呈現出鐵磁性，居里溫度在300k以上。Cold rolled low - carbon steel sheet - ferrite grain size - test methods
低碳鋼冷軋薄板鐵素體晶粒度測定法Bingquan brand instant nutritious sesame cereal is made of high quality sesame, soybean, cereal and white sugar etc. inscientific workmanship, containing rich protein, vitamins, calcium, phosphorus, iron and other elements. this food features uniquesesame taste, rich nutrition and good taste thus being suitable for the old and young. ingredients
精選粒粒飽滿濃香的芝麻仁，配以"膳食纖維三寶"大麥小麥燕麥和大豆玉米等原料，經科學方法精製而成，富含人體所必需的不飽和脂肪酸蛋白質膳食纖維及維生素鈣磷鐵等營養物質，甘潤柔滑，香濃可口，讓您隨時享用健康與美味。R amp; d of preferred oriented ferroelectric thin film prepared by sol - gel method
凝膠法制備晶粒擇優取向鐵電薄膜的研究The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet
論文對-磁鐵的有關物理問題進行了較為詳細的論述，從解析形式和數值模擬兩個方面給出了-磁鐵的磁場分佈，對單個粒子在-磁鐵中的運動進行了分析，利用數值求解方法研究了帶電粒子在理想四極磁場中的運動規律，提出了歸一化運動方程和理想軌道等物理概念，定量給出了消色散的入射角、軌道長度和x方向最大距離的解析表達式。( y, gd ) bo3 : eu3 + was the red phosphors for pdp, which had poor color purity. in this dissertation, solid state reaction method at room temperature was firstly used for coating the ( y, gd ) bo3 : eu3 + particles with hematite. the thickness of uniform hematite coating is about 10nm
（ y ， gd ） bo3 : eu3 +作為pdp用熒光粉的紅粉材料存在色純度差的弱點，為了提高其色純度，本文首次採用室溫固相法在微米級（ y ， gd ） bo3 : eu3 +顆粒表面包覆一層10nm左右的均勻的氧化鐵的包覆層。In this text, the study was conducted to the diesel engine running - in on test bed by advanced oil analysis, surface analysis and characteristic parameters analysis of diesel engine during running - in. based on the spectrographic analysis, ferrographic analysis, particle counting, and scanning electronic microscope analysis, the extraction of lubricant analysis results have been completed by various methods as limits method, fuzzy synthesis analysis, tendency chart analysis. on the basis of information, issued from above analysis the quality comprehensive assessment model of diesel engine running - in has been established, used to assess the diesel engine running - in quality and engine test - bed running - in quality
本文以柴油機臺架磨合過程為研究范圍，採用先進的油液分析技術，表面分析技術和柴油機性能參數分析技術相結合的方法，在採集柴油機臺架磨合階段磨合潤滑油樣和相關信息，對柴油機臺架磨合潤滑油樣的光譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的各種信息進行特徵提取，結合來自於分析鐵譜和掃描電鏡的特徵圖像信息，以及柴油機性能參數中的特徵信息，用界限值分析法、模糊綜合分析法和趨勢圖分析法等多種方法，並融合其他相關的特徵信息，建立柴油機臺架磨合質量綜合評價數學模型，綜合分析柴油機臺架磨合質量，研製開發了柴油機臺架磨合質量綜合評價系統。Iron ores. determination of size distribution by sieving
鐵礦石.用篩選法測定粒度分佈The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing
本論文基於摩擦學原理和計算機技術，通過對鐵譜片進行數字化圖像預處理，採用對譜片圖像的平滑、濾波以及閾值二值分割等方法，計算出譜片中特徵磨粒的一些特徵參量，如面積、周長、粒度以及縱橫比等。Carbonyl iron particles and iron - epoxy resin composite particles, which both mrs and microwave absorber are based on, were prepared by method of dropping fe ( co ) 5 to dmf in constant temperatures and of heating the solution of fe ( co ) 5 / dmf stage by stage, combining in situ composite technique
本論文採用恆溫滴加法和逐步升溫液相法熱分解合成了羰基鐵粒子，並結合原位聚合復合技術制備了羰基鐵-環氧樹脂復合粒子，然後用它們組成了磁流變液和微波吸收材料。The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。The specific methods : 1. to ascertain five control indications including suspended solid content, grain diameter median, oil content, iron bacteria and saprophytic bacteria by carrying out the experiment of core flow ; 2. to ascertain indications of sulfate reducing bacteria and average corrosion rate by carrying out the experiment of revolving corroded test pieces ; 3. to ascertain indications of average scaling rate and total mineralization degree by carrying out the experiment of scaling prediction and sensibility
具體的做法是：採用巖心流動試驗確定懸浮固體含量、顆粒直徑中值、含油量、鐵細菌和腐生菌五項控制指標；採用旋轉腐蝕掛片實驗確定硫酸鹽還原菌和平均腐蝕率指標；採用結垢預測和敏感性實驗確定平均結垢率和總礦化度指標。The results of aggregate distribution and stability on ferrisols used by le bissonnais ' s method suggested that, treatment method and initial size had greatly affected on aggregate stability and aggregate distribution. fast wetting ( fw ) treatment had the largest disruption while wet - stirring ( ws ) treatment had the lowest disruption
採用lebissonnais法的三種處理方法測定富鐵土的團聚體分佈與團聚體穩定性的結果表明，濕處理后的顆粒分佈隨處理的不同以及初始團聚體的大小不同而變化很大。分享友人