研磨不足 的英文怎麼說
中文拼音 [yánmóbùzú]
研磨不足
英文
undergrinding-
Our products are made of selected excellent diamond, of all kinds and sizes, ready to meet the different requirements from our customers. ourmain products are diamond, cubicborazin, emery wheel, needle files, grinding paste, alloy molds and soon
本公司產品選用優質金剛石精製而成，品種多，規格齊，能滿足不同廠商的要求，主要產品有金剛石、立方氮化硼、砂輪、什錦銼、研磨膏、合金模具等。In regard to the low wear resistance of the white iron shot in the practical application, based on experimental research and trial production, by alloying and proper heat treatment, the shot can be made with higher hardness, better toughness and increased service life
摘要針對白口鐵丸在實際應用過程中不耐磨的現象，通過大量實驗研究和試生產，找到通過添加合金元素生產合金鐵丸，並通過適當熱處理等手段，使其既具有較高硬度，又有良好的韌性，使用壽命得到提高，滿足拋丸工作的需要，節約大量資金，提高了勞動生產率。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。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。The characteristics and shortcomings of high temperature sliding wear testing machine for roll materials in china and a broad were analyzed in this paper
摘要文章分析了國內外軋輥材料高溫摩擦磨損試驗機的特點及其存在的不足，在此基礎上，研製開發了一臺材料高溫滑動磨損與熱接觸疲勞試驗機，並進行了初步的實驗。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。Try to rely on their own strength on the development of high - grade materials to meet the different needs of the customers for these products. after years of hard work and scientific research, make hua cloth sales performance has increased, just in 2001 domestic sales performance breakthrough on the 100 meters. the breakthrough in the 500 meters foreign sales operations, at the same time, wei hua chinese cloth has developed a number of daring to fight a hard core business team after a few years of running and a specific implementation plan implementation feasibility work order has already identified a set of strategic programs, and form a strong sales network
為了順應中國加入wto后更多國內外客戶的市場需求，服務于各種類型企業用戶，在這場沒有硝煙的國內外企業的市場競爭中立於不敗之地，公司自千禧年開始，就嘗試著依靠自主力量開發滿足不同客戶需求的高檔面料系列產品，經過幾年來的艱苦努力和科研攻關，並使華偉布業的銷售業績逐年攀升，僅於2001年在國內的銷售業績就突破了100萬米，國外的銷售業務突破了500萬米，與此同時，華偉中國布業還培養了一批敢打硬仗的業務骨幹隊伍，通過幾年的磨合及具體實施方案的落實，已經確定了一整套具有可行性工作秩序的戰略方案，形成了強有力的銷售網路體系，可直接應用於新產品的推廣與市場化運作。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。The method can meet fully the need of the evaluation of the scuffing load capacity to all kinds of worm gear oil. the different kind of additives and varied contents of additive have obvious influence on the scuffing load capacity of worm gear oil. for mixing worm gear oil, the additives that suitable for worm gear oil should be made of anti - wear additive which is the mainly component and a little extreme pressure additive which has a gentle performance
試驗研究結果表明：本文研究開發的蝸輪蝸桿油膠合承載能力臺架評定方法具有較好的重復性和區分性，能夠滿足評定各種蝸輪蝸桿油膠合承載能力的需要；添加劑的不同類型及不同復配形式對蝸輪油的膠合承載能力有著較明顯的影響；在調制蝸輪蝸桿油時，適用於蝸輪蝸桿油的添加刑，應以油性劑為主劑，復加少量的性能較溫和的極壓抗磨劑。Abstract : being aimed at the poor rock - breaking efficiency of rotary water jet in hard formations and deep wells with radial horizontal well technology, by use of powerful advantages of abrasive jet rock - breaking, experimental study on rotary abrasive jet was made
文摘:針對徑向水平井鉆井技術中旋轉水射流在硬地層和深井中破巖能力低的不足，利用磨料射流破巖能力強的優勢，對旋轉磨料射流進行了試驗研究。" stainless steel tube fittings " eliminate the needs of resolving theproblems of overcoming and land shapes with drilling, polishing, welding, etc. at site, and the fittings simply resolve them with adequate variety, swift to install, cost - effective while wanting the least labor force. top appearance and top safety
不銹鋼圓管組合配件，無論任何角度，任何施工地形，皆有充足的組合配件來解決施工者現場鉆孔、焊接、研磨、拋光等繁雜之加工過程，施工快速，節省工資，符合現今缺工的需求。Following the development of catalytic cracking technology and the increase of refining temperature, this factory cooperates with china petrochemical ( beijing ) design institute to develop a series of refractories with high intensity, good insulation ability and small reheating linear change and good wearproof ability, whose physical and chemical property reaches or surpasses the level of the foreign product of the same kind
催化裂化在煉油裝置中地位舉足輕重，近年來公司為適應催化、裂化技術的不斷發展，設計研製了一系列強度高、隔熱性能好、重燒線變化小、耐磨性能高的煉油裝置用隔熱耐磨襯里，產品理化性能國內領先，甚至達到或超過國外同類產品的指標。分享友人