預磨 的英文怎麼說

中文拼音 []
預磨 英文
pre grinding
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
  1. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球法制備的超細銅鋅粉的分散性進行試驗和優化試驗,發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  2. The welding performance of homemade wear - resistant cast steel has been studied base on the weldability tests, the repair welding procedures of wean - resistant cast steel ( abrasion - plates ) have been made up, the results show that satisfying repair welding quality can be attained with such welding conditions as the low hydrogenous alkalescent welding rod, preheating and slow cooling, strictly maintaining the interbedded temperature of 250 ~ 300 and controlling welding technique

    通過對其焊接性能的試驗研究,制定了該類鑄鋼件(耗板)的補焊工藝:低氫型堿性焊條,熱與緩冷相結合的工藝措施,嚴格控制層間溫度( 250 ~ 300 )及焊接工藝規范,可獲得滿意的修復質量。
  3. Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - almandite garnet

    塗裝油漆和有關產品前鋼材處理.噴射清理用非金屬料規范.鐵鋁石榴石
  4. Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - part 10 : almandite garnet

    塗裝油漆和有關產品前鋼材處理.非金屬噴射清理料規范.第10部分:鐵鉛石榴石
  5. I expect it to be quite an ordeal.

    可以料,那將是非常艱苦的練。
  6. Also a refined - pulp quality predictive model, with specific energy, specific load as the model inputs, and beating degree, wet weight as the model outputs, is presented. simulation results show that the models can be acted as theoretical bases for the automatic control of high - consistence pulp refining process

    即,建立了以原漿流量、白水流量、盤機功率為輸入變量,比能量、比負荷、濃縮機漿位為輸出變量的動態模型,以及基於比能量、比負荷的成漿質量報模型。
  7. 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、耐蝕等性能為目的,採用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。
  8. Simpler and cheaper are solid - fuel engines ; their fiery impetus comes from burning premixed fuel and oxidizer grains that are packed like coffee grounds into a cylindrical casing

    固體燃料引擎比較簡單,也比較便宜,其猛烈的推力來自於燃燒先混合好的燃料和氧化劑顆粒,它們像好的咖啡粉一樣,裝在圓筒狀的容器中。
  9. Prevent dust bin of coal mill deduster from accumulating dust

    除塵器灰斗積灰的防措施
  10. Wearproof porcelain plate developed by this factory can be used as inside lining plate, coal delivery pipework, bin, bunker, separation port, wind pipe bend, exhauster, inner pipe of mill fan, air preheater, air fule and various dedust equipment for antifriction. besides, it can extend the service life of equipment

    瓷板系是我廠自行研製的適用於煤機內襯板,輸煤管道、料倉、料斗、粗、細粉分離口、一、二次風管彎頭、引風機、排粉機內殼、空氣熱器、尾部煙道等以及各類除塵系統設備的防抗蝕、延長設備的使用壽命。
  11. Study on the model of predicting burning erosion of gun barrels

    火炮身管燒蝕測模型的研究
  12. Oneself are opposite not only the ponderosity of prognostic thought burden of cancer, and think ache is impossible to cure, be destined the torment that oneself want to suffer this kind of body and mentally

    自己不僅對癌癥的后思想負擔極重,且認為疼痛是不可能治愈的,註定自己要受這種軀體與心理上的折
  13. Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - staurolite

    塗裝油漆和有關產品前鋼襯底處理.噴射清理用非金屬料的規范.十字石
  14. Preparation of steel substrates before application of paints and related products - specifications for non - metallic blast - cleaning abrasives - part 9 : staurolite

    塗裝油漆和有關產品前鋼材處理.非金屬噴射清理料規范.第9部分:十字石
  15. Moreover, combined with structural geology feature of beir depression, the reservoir growth feature of nantun & damoguaihe formation and the group of oil source bed, reservoir, caprock are analyzed, the distribution of favourable sand body are predicted

    同時,結合凹陷的構造地質特徵,對南屯組和大拐河組儲層的發育特徵及生儲蓋組合規律進行了研究,並對有利砂體的分佈范圍進行了測。
  16. On the base of the analysis on the advanced technology of hard ferrite in foreign country, the main procedures of preparing hard ferrite pre - sintering material are determined as follows : first, the ferrite oxides coming from the main cold rolling line and strontium carbonate are conveyed to storage tank by gas power and weighed automatically according to the demands of constituent composition. and then they are mixed and grinded by using method of wet treatment. finally the mixtures is transported to the devices of storage by transporting pump

    在分析國外先進的永磁鐵氧體生產工藝的基礎上,確定了生產高檔永磁鐵氧體燒料的主要過程:首先,利用攀鋼冷軋鐵紅為主要原料,將氧化鐵紅及碳酸鍶採用氣力輸送至貯料料倉,經自動稱量裝置,按工藝配方稱量後分別由氧化鐵紅及碳酸鍶發送罐氣力輸送進入混攪拌筒加水攪拌,然後再送入混機濕法混;最後,混合物經輸送泵輸送至料漿存儲裝置,經定量進料泵定量輸送至回轉窯進行濕法燒,燒料經緩冷至室溫后,再球
  17. Developing situation and tendency of lubrication oil extreme pressure antiwear additives

    潤滑油極壓抗添加劑的應用及發展
  18. 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;由於粉體活性受燒條件的影響,所以對不同要求的鐵氧體選擇的燒條件就不一樣,適當降低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。
  19. 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處理.非金屬噴砂清理料規范.煤爐熔渣
  20. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論,提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式;針對考慮摩擦時的變曲率結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是設計變曲率還是預磨合變曲率,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣
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