表面質量速度 的英文怎麼說

中文拼音 [biǎomiànzhíliáng]
表面質量速度 英文
superficial mass velocity
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 質量 : 1 [物理學] mass 2 (產品或工作的優劣程度) quality 3 economy (離子源的); 質量標準 quality level...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. When ph value < 0. 5, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity and bad surface quality of the deposits such as crassitude or darkling

    Ph 0 . 5時,沉積過快,晶核成長快,晶粒粒較大,鍍層粗糙、發黑,差。
  2. At recent decade, accompany with surface mount technology printed - circuit board to produce fly of automation degree to soon develop, as to it ' s correspond of mass defect the inspection also put forward higher request, from in brief shoot to be like system to complicated " 3 - d " x optics to examine system, the automatic optical inspection is in great quantities adopt by the each production factory house

    摘要在最近十年,伴隨著貼裝印刷電路板生產自動化程的飛發展,對其相應的缺陷檢查也提出了更高的要求,從簡單的攝像系統到復雜的" 3 - d " x光檢測系統,自動光學檢測系統大被各生產廠家採用。
  3. To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction

    混凝土縫處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉污染;模板工程大採用定型鋼模板施工技術,提高了壩體混凝土成型和工程進;在二期混凝土施工區域,為免除人工鑿毛勞動強,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大採用鋼筋接頭機械連接技術,有效提高了接頭強和鋼筋連接,施工安全性大大加強,穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫的產生;混凝土處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。
  4. The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change

    結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,現在:鍍液的陰極極化過電位和極化降低,沉積提高;鍍層的結合力、改善;鍍層中過渡族元素的含增加,輕元素硼的含降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強在能(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。
  5. Ultra - high speed cutting technology not only reduces the cutting time and enhances the cutting efficiency, but also improves the machining accuracy and surface quality

    超高加工技術不僅能減少切削時間,提高切削效率,同時還能提高加工精
  6. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,擴大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層的平整性,而且能提高鍍液的分散能力;活性劑較好地解決了化學鍍過程中汽泡在鍍件聚集的問題,提高了鍍層的和鍍液的穩定性。
  7. When sn2 + concentration in the bath is lower, sn2 + activity is not enough causes slow deposition rate and slow growth rate of crystallizing nucleus, so crystalline granularity deposited is smaller ; when sn2 + concentration in the bath is higher, the dispersive ability of the bath decreases and the surface quality of the deposits sets worse

    鍍液中sn ~ ( 2 + )濃較低時,離子活不夠,沉積慢,晶核成長慢,使沉積的晶粒粒較小; sn ~ ( 2 + )濃過高,鍍液分散能力降低,使鍍層的下降。
  8. Lifting and lowering of the pringting arm of this machine is vertical, therefore, in case of half - tone printing, presence of screen wire and consistency of aberration are improved ; in case of spot printing, stability and uniformity of inking are enhanced ; fine adjustment and lock of the worktable is independent of each other, so positioning error caused by lock of the worktable can be controlled ; height and pressure of the printing blade and ink - returning blade can be stepless - regulated separately, which improver printing quality and service life of half - tone ; printing travel and half - tone fixing mechanism can be fast adjusted, which is suitable for printing area with different size

    本機印刷大臂升降為垂直升隆式,網線版印刷時網線現率為色差一致性得到提高,實地版印刷的施墨穩定性及均勻性得以加強;工作臺微調與鎖緊獨立,因工作臺鎖緊而帶來的定位誤差得以控制;印刷刀、回墨刀高及壓力均可單獨無級調節,提高了印刷和網版的使用壽命,印刷行程和網版固定機構大小可快調節,方便不同規格的印刷積。
  9. The system can test the information of work piece ' s length - fault, diameter - fault, shape - fault and surface - flaw fault simultaneously and use various appraising algorithms to test the results. thus the problem of ndc of the work piece ' s surface - flaw has been solved

    該系統可以實時快地同時進行軸承工件的長誤差、直徑誤差、圓誤差及缺陷誤差的精密檢測,並應用幾種不同的評判演算法,得到各種誤差的評判結果。
  10. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間深非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體的連續性,本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性,本文第三章提出了一個基於極線幾何的快3 『一中國科學院軟體研究所博士學位論文基於圖象的快繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  11. Compared with the traditional electric discharge machining ( edm ) in die manufacturing, it also further simplifies the working procedures

    在模具製造中,相對于傳統的電加工方式,超高加工不僅提高了模具加工和加工的,還進一步簡化了加工工序。
  12. The results show that under the same lapping conditions the si3 n4 ball has the lowest material removal rate and the best roundness and roughness, followed by zro2, al2o3, and sic ball

    結果明:在相同的研磨條件下,具有長柱狀晶粒的氮化硅陶瓷球加工率最低,但圓粗糙最容易控制;氧化鋯和氧化鋁陶瓷球次之,碳化硅陶瓷球加工率最高,圓粗糙最難控制。
  13. The dispersion and diffusion of the effective nickel plating solution were enhanced by adding a small amount of rare earth compound, the depositing rate, hardness, anti - wear and the surface quality of the coating were accordingly improved

    摘要通過在快鎳電刷鍍液中加入少稀土化合物,改善鍍液的分散能力和深鍍能力,提高鍍層刷鍍,從而增加鍍層的硬和耐磨性,改善鍍層
  14. The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters

    本文對激光立體成形的工藝特性進行了深入系統的研究,發現如果要獲得理想的成形效果,就必須對成形過程中的工藝參數進行精密控制,例如激光功率、激光光斑大小、光束掃描、搭接率等;同時為了保證成形件有較高的尺寸精,必須對成形零件的氧化問題進行控制,通過改進側向送粉噴嘴的結構設計,成形件的氧化問題得到適控制。
  15. Speech coding systems are generally based on narrowband speech at present, but its frequency is restricted in 200hz ~ 3400hz and its sample rate is 8khz. with the development of the wideband speech, its bandwidth which is from 50hz to 7khz causes the quality of speech communication to approach in the feeling of face - to - face conversation, and makes the speech natural, expressive and comfortable. hence, it ’ s quite significant in researching on wideband speech coding system. in recent 20 years, the dsp and its software development kit has improved greatly, but the price has fallen sharply, thus it has more and more widespread applications now

    隨著當今世界的飛發展,寬帶語音越來越受到人們的青睞,因為它的50hz 7khz的帶寬使得語音通訊接近於交流的感覺,大大提高了語音的自然現力和舒適。因此,開發研製基於寬帶語音的編解碼系統具有十分重要的意義。在過去的短短二十年裡, dsp處理器的性能得到很大的改善,軟體和開發工具也得到相應的發展,價格卻大幅地下降,從而得到越來越廣泛的應用。
  16. The calculating formulas show that braking distance depends on initial braking speed, road dragging coefficient, mad slope grade, braking force increasing time ; and nothing to do with total mass of crane

    計算公式明:決定汽車起重機制動距離的主要因素是制動初、路阻力系數、道路坡和制動力增加時間;汽車起重機總與制動距離無直接關系。
  17. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果明: ( 1 )超音霧化器的氣體流場在導液管下端形成一個倒渦流錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦流錐內; ( 2 )修正後的霧化氣體公式可以滿足超音霧化的要求; ( 3 )影響超音霧化工藝最根本的因素有氣液流率比( gmr )的大小、霧化氣體流和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介微n _ 2 ,導液管突出高取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金過熱取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形、粒及其離散三個方綜合性能最好。
  18. The cmp experiment was carried out systematically on litao3 wafer. the polished surface foughness and material removal rate in different polishing conditions were measured and the effects of polishing pad material and its condition, pressure, rotating speed of the polishing plate, the type and size of abrasive, and the properties of the polishing slurry on the surface routhness and material removal rate were analysed in details

    通過對鉭酸鋰晶片的化學機械拋光過程的實驗研究,通過測鉭酸鋰晶片在不同拋光條件下的粗糙和材料去除率,詳細分析了拋光墊材料和狀態、拋光壓力、拋光盤轉、磨料種類及粒、拋光液組成等幾個因素對拋光和材料去除率的影響規律。
  19. A practical technique is to establish the non - linear relationship among the main parameters of the abrasive water jet cutting process, thus the surface quality of the part can be indirectly controlled by adjusting the cutting speed

    一種可行的辦法是建立水射流加工過程中的主要參數之間的非線性關系,通過加工的補償來間接控制工件
  20. During the process of high speed aluminum sheet casting and rolling, the sheet surface quality is chiefly determined by the control precision of the pre - tank liquid level and automation degree of the whole product line

    在鋁高鑄軋過程中,鋁板的主要受制於前箱液位的控制精和整個生產線的自動化程
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