電鍍速度 的英文怎麼說
中文拼音 [diàndùsùdù]
電鍍速度
英文
plating speed- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 鍍 : 動詞(用電解或其他化學方法使一種金屬附著到別的金屬或物體表面上) plate
- 速 : 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 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 電鍍 : electroplate; electroplating; electrofacing; (electric) plating; electrocladding; galvanize; ga...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
-
Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化,所以對釹鐵硼磁鐵,其表面通常需作電鍍處理,如鍍鋅、鎳、銀、金等,也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。Current density and electroplating velocity has line relation, but the increscent multiple of electroplating velocity is smaller than that of current density. which indicate that current efficiency decreases with the increase of current density at alcb + lialh4 system. at l - 5a / dm aluminum coating is dense and uniform, especially at 2. 5a / dm
電流密度與電鍍速度兩者近似成直線關系,但電鍍速度增大的倍數比電流密度增大的倍數要小,說明在alcl _ 3 + lialh _ 4體系中隨著電流密度的提高,電流效率逐漸降低。The suitable additives recombination can not only improve considerably the quality of chromium coating, increase the brightness, current efficiency, dispersion ability and sedimentation velocity, but also enlarge the application scope of chromium plating technology
採用適當的添加劑復合不僅可以顯著提高鍍鉻層質量,增加光亮度、電流效率、分散能力和沉積速度,而且可以擴大鍍鉻工藝范圍。Using contrast and orthogonal experiment methods, the effect of electrolyte formulae for varied concentration of cr03 and technology of chromium plating on coating property was studied systematically in this paper. primary factors and their interrelations, which influence the brightness of coating, the current efficiency, dispersion ability and sedimentation velocity of electrolyte were discovered
本文採用對比試驗和正交試驗等方法系統地研究了低、中、高三種不同鉻酐濃度的鍍鉻液組成和鍍鉻工藝對鍍鉻層性能的影響,找到了影響鍍層光亮度、鍍液電流效率、分散能力和沉積速度的主要因素及其相互關系。Semiconductor devices - mechanical and climatic test methods - part 11 : rapid change of temperature ; two - fluid - bath method
半導體器件.機械和氣候試驗方法.第11部分:溫度的急速變化.雙液電鍍槽法Semiconductor devices - mechanical and climatic test methods - part 11 : rapid change of temperature - two - fluid - bath method
半導體裝置.機械和氣候試驗方法.第11部分:溫度的急速變化.雙液電鍍槽法Diamond micro powder ( abrasive grain = 0. 5 u m ) is added to the plating liquor, after many experiments, we discover every parameter of composite electro - brush plating, includes voltage of brush plating, relative velocity of between brush plating pen and workpiece, adding quantity of diamond micro powder etc. finally steel balls millstone covering with ni - fe - diamond composite electro - brush plating film is produced successfully
試驗中加入粒度為w0 . 5的金剛石微粉,通過反復多次的試驗,確定出了鎳-鐵-金剛石復合電刷鍍中的各項工藝參數,包括電壓、鍍筆和工件的相對速度、金剛石微粉的加入量、溫度等等工藝參數;成功的試製成了覆蓋有鎳-鐵-金剛石復合電刷鍍層的鋼球研磨板。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 ) 、能量(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,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,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;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(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。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速度,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,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material
研究表明:電解液的配製過程中,氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響,其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積速度,銥的比例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕,從而提高活性物質的穩定性。The thing flows the trolley name carrying trolley ; the surface uses the electricity to galvanize, the contour artisticly, the service life is long ; attaches the security leather belt, the fixed link loading and unloading speed is quick, both is advantageous for the mechanized transporting, and is suitable for the short distance the manual shift, may realize the plan production, saves the manpower, reduces the cost ; with thing and so on turnover box flows the vessel coordination use, may realize the modular management, the setting at space is big, folds the collection not to occupy the space ; is suitable the thing flows the transporting in the enterprise working procedure ; also may or allocates and dispatches the center in the factory to install the cargo to transport to the store, a direct achievement commodity goods part
物流臺車又稱載物臺車;表面採用電氣鍍鋅、外形美觀、使用壽命長;附安全皮帶、固定桿裝卸速度快,既便於機械化搬運,又宜於短距離的人力移動,可實現規劃生產,節省人力,降低成本;與周轉箱等物流容器配合使用,可實現單元化管理,置物空間大,折疊收藏不佔空間;適用於企業工序間的物流搬運;也可在工廠或配送中心裝上貨物運到商店,直接作為商品貨架的一部分。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
摘要通過在快速鎳電刷鍍液中加入少量稀土化合物,改善鍍液的分散能力和深鍍能力,提高鍍層刷鍍速度,從而增加鍍層的硬度和耐磨性,改善鍍層表面質量。Uniform and compact plzt and sno _ 2 ceramic targets, which diameter were 212mm and 221mm, respectively, had been successfully fabricated. ( 2 ) a rotating magnetic field rf magnetron sputtering system had been designed and set up, which showed high utilization efficiency of target, high films uniformity, and high deposition rate, etc. ( 3 ) the plzt and sno _ 2 thin films were investigated by afm, xrd, sem, and spectral photometer. the optimized processing parameters of preparing these films had been found
並以此為基礎分別制備了緻密、均勻、平整、直徑為212mm的plzt和221mm的sno _ 2陶瓷濺射靶材; ( 2 )為克服現有磁控濺射設備的不足,提出了一種新的磁控濺射方案,採用該方案的設備具有:靶材利用率高、鍍膜均勻、成膜速度快等特點; ( 3 )運用afm 、 xrd 、 sem以及雙光路分光光度計等分析手段對plzt和sno _ 2薄膜的微結構和性能進行研究,找到了制備plzt電光薄膜和sno2透明電極材料的最佳工藝條件。It adopts the intermediate frequency power ; it not only can plate single films or multilayer membrane, such as titanium nitrides, titanium carbide, zirconium nitrides, chromium nitride, titanium, nickel, chromium and copper etc. but also can plate the ito, al2o3, sio2, tio2 and zro etc. furthermore, it can plate multilayer membrane after being equipped with multi - targets with top grade quality and fast speed, as well as advantages of other plating methods ; therefore it is one super - hard membrane equipment with excellent performance
採用先進的中頻電源,濺射速度快,不但可以鍍制氮化鈦碳化鈦氮化鋯氮化鉻及鈦鎳鉻銅金銀等等單一膜層或復合膜層,而且可以鍍制銦錫合金ito氧化鋁al2o3二氧化硅sio2氧化鈦tio2氧化鋯zro等等膜層,另外其配置多靶可以鍍制多層膜,不但鍍制膜層細膩而且鍍制速度非常快,兼有其他鍍法的優點,所以是一種性能非常優良的鍍制超硬膜設備。These equipments are vacuum system which is made up of diffusion pump, pipes, water - cooling baffle and rotary vane pump ; the whole chamber, wall and water - cooling wall are made of stainless steel ; the lower part is equipped with cool water sleeve which can fast take out air to gain 10 - 4 or higher vacuum, therefore they are widely used in high - tech fields, such as the platting, electronic, metallurgy, chemical engineering, atomic energy, materials and medicine etc
Kt系列擴散泵機組是由凸腔擴散泵管道水冷擋板機械泵等組成的高真空系統,整個泵腔泵壁及水冷壁全部由不銹鋼作成,下部配有降溫用急冷水套,抽氣速度快,極限真空高,它可使被抽容器獲得10 - 4或更高的高真空,因此廣泛適用於鍍膜裝飾電子冶金化工原子能材料醫藥等等各種高新技術領域。Compared to bare steel strand, galvanized steel strand ’ s anti - corrosion is worse in 3 % nacl solution. 3. the result of corrosion research in different ph value simulation acid rain show that bare steel strand has a low corrosion rate at ph = 4, corrosion rate at ph = 2 and ph = 6 is larger ; epoxy coating steel strand ’ s corrosion current intensity decrease with ph value ’ s minish ; reverse to epoxy coating steel strand, galvanized steel
3 、模擬酸雨中腐蝕研究結果表明,在不同ph值的模擬酸雨中,全裸鋼絞在ph = 4時腐蝕最慢, ph = 2時腐蝕最快, ph = 6時腐蝕速度居中;環氧鋼絞線腐蝕電流密度隨ph值的減小而減小;鍍鋅鋼絞與環氧鋼絞線剛好相反,腐蝕電流密度隨ph值的減小而增加, ph值越小,腐蝕電流密度越大,越容易遭受腐蝕。Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively
利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究,結果顯示,所制備的薄膜為六方纖鋅礦型結構,具有高c軸擇優取向性;表面均勻、緻密,薄膜材料由許多星狀晶粒組成,晶粒尺寸大約為10 - 30nm左右;薄膜可見光透過率平均可達90 % ;對薄膜厚度以及電學性能進行了測定后發現:單次鍍膜厚度約為75 - 240nm , al ~ ( 3 + )離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內;分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。The results show that the improved structure has obviously reduced pressure drop and increased axial speed of the nozzle, as a result the wallop of electroplating solution is improved and the thickness of diffused layer reduced, the electrodeposition process improved, and what is more, the coating structure has been compacted, crystalline particles fined and the performance improved
結果表明,結構改進后,明顯減小了壓力損失,提高了噴嘴的抽向速度,電鍍液沖擊鍍件的沖擊力得到提高,有效地減少了擴散層的厚度,改善了電沉積過程,而且使鍍層組織緻密,晶粒細化性能得到提高。Content of rare earth elements in the electroplating process can be determined rapidly and correctly with chlorophosphonazo by spectrophotometric analysis
摘要為了快速、準確地測量電鍍液中的稀土元素總量,採用了分光光度法,並以偶氮氯膦為顯色劑。分享友人