速度金屬 的英文怎麼說
中文拼音 [sùdùjīnzhǔ]
速度金屬
英文
speed metal- 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
- 金 : Ⅰ名詞1 (金屬) metals 2 (錢) money 3 (古時金屬制的打擊樂器) ancient metal percussion instrum...
- 屬 : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 金屬 : metal
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The velocity field has been designed in this article on defect of rolling workpiece surface about cross wedge rolling technique in the process of forming axial symmetry spare parts by result of simulated experiment of consult document [ 4 ]
摘要依據文獻[ 4 ]的模擬實驗結果,擬定了楔橫軋工藝成形階梯軸類件時軋件表面出現表面缺陷(蛇皮狀或魚鱗狀缺陷)時的金屬流動速度場。It consists of metallic mercury dropping at a steady rate from a capillary tube.
它由金屬汞從毛細管中以穩定速度滴下而成。Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide
研究表明, tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性,及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外,還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。The impulse heavy current flows through sheet metal and explodes it, which can produce nanometer - metal granules. and the granules are sprayed over metal workpiece by accelerated power of electric field. the characteristics of rigidity and abrasion of the metal workpiece are greatly improved by this way
讓沖擊大電流通過金屬片,使其爆炸,產生納米金屬顆粒,利用電場的加速作用,噴塗在金屬工件的表面,大大提高金屬工件的硬度和耐磨性能。One of wetland s function is to filter the pollutants. when the river goes through wetland with pollutants, the hydrophyte will slow down the speed of the stream and attract heavy metal so that those pollutants will steep in the ground. the chemical reaction of nitrogen and phosphorus from those water plants prevent water from oxidation
濕地具有過濾污染物的功能,當河水挾帶著污染物流經濕地時,濕地上的水生植物,會使水流速度減緩,吸附重金屬,且讓污染物沈澱在濕地的底部,並藉著植物留存氮和磷,來預防水質優氧化。On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element
本文正是在銀河系化學演化的基礎上,利用銀河系的三成分( threezone ) (即暈、厚盤和薄盤)多相( multi - phase ) (氣體,分子云,大、小質量恆星以及剩餘物質)的化學演化的理論模型,通過與觀測約束(質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等)的比較,來檢驗模型的合理性。Schottky barrier diode is a kind of majority carrier device, using the contact barrier formed between metal and semiconductor to work. it has the advantages of low turn - on voltage and high response frequency, compared with pn junction diodes
肖特基二極體是利用金屬與半導體之間接觸勢壘進行工作的一種多數載流子器件,與普通的pn結二極體相比,它具有正向導通電壓低,響應速度快等優良特性。Influences of feed rate on machining precision during grinding metal ceramics blade by diamond grinding wheel
進給速度對磨削金屬陶瓷刀片精度的影響The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified
本文對冷式瀝青路面銑刨機的動力學工作過程進行了理論分析與試驗研究,並利用金屬材料切削的基本原理,研究了主切削力,並從能量轉化守恆的角度推導了銑刨機銑刨作業阻力和功率計算公式,討論了機器切削速度、銑刨厚度以及刀具與材料特性對銑刨作業阻力和功率的影響規律,最後討論了銑刨機牽引性能,且通過試驗研究驗證了銑刨作業阻力和功率公式。I mean, metal gets pretty pliable at those speeds
那種速度下,就算金屬也容易彎折的Rapid growth of “ mother dendrites ” in a given location of a melt at just below the liquidus temperature, that growth being the result of rapid heat extraction from the melt, or from recalescence
在特定的熔點,以低於液相線的溫度快速生成「母晶枝」 ,這是使熔融金屬或復輝快速散熱的結果。The whetting part is made of high rigidity metal, will remove the knife ' s surface metal by steel scurf, easy to control when whetting, and then fast shape the dull blade
磨刀部分採用高硬度的硬質合金材料,將刀具表面的金屬以鋼屑的方式去除,磨刀時用力易於掌控,從而將較鈍的刀鋒快速修正成型。Possessing some unique features as high tensile strength, shock strength and bending strength, they are widely used in cutting various metals or nonmetal materials, thus achieving fast and economical results
具有較高的抗拉抗沖擊和抗彎強度,廣泛用於各種金屬與非金屬材料的切割和生產下料,既迅速又經濟。In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production
論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours
研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。Biosorption is a process that utilizes inexpensive active / dead biomass to sequester heavy metals and is particularly useful for the removal of contaminants from industrial effluents. compared with conventional methods such as ion exchange and precipitation with lime, the biosorption process offers the advantages of low operating cost, minimization of the volume of chemical and biological sludge to be disposed of, high efficiency in detoxifying very dilute effluents
生物吸附技術是環境領域近年來迅速發展起來的處理工業污染廢水的新技術,它以各種生物(菌類或藻類)吸附廢水中的重金屬離子,具有吸附容量大,選擇性強,效率高,消耗少,並能有效的處理含低濃度重金屬離子廢水等優點。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
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,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,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度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度的產生;混凝土表面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。Numerical analysis of temperature distribution of metal solidification process in centrifugal acceleration field
離心加速場中金屬凝固過程溫度場分佈數值分析The measuring element of the bimetal thermometer is a quick reacting bimetal coil. it is manufactured from two cold - welded metal strips with different thermal expansion coefficients and rotates in proportion to temperature
雙金屬溫度計的測量元件是一個快速反應雙金屬線圈,由兩根不同熱膨脹系數的金屬條冷焊在一起,根據溫度比例旋轉。Aimed at willing of quenchhardening stell, by cutting experiment, the cutting performance of carbide vertical milling carbide cutter which is coated with different coating material is compared. the high speed process method which is adapted adapts to high hardness metal is explored
針對淬硬鋼的銑削加工,通過切削實驗,比較硬質合金立銑刀不同塗層材料的切削性能,探索適合高硬度金屬材料的高速加工方法。分享友人