金屬變態 的英文怎麼說

中文拼音 [jīnzhǔbiàntài]
金屬變態 英文
tra formation
  • : 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...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • 金屬 : metal
  1. In fact in the die casting process, when the liquid metal have not solidified completely, in order to break arborescent structures which have already solidified and then proceed fine - crystal intensification, we apply a deforming force, so the mechanical properties of parts produced by liquid combination process of die casting and forging will be improved significantly

    其實質就是在壓鑄基礎上,待型腔中的液還沒有完全凝固時,立即施加一個形力,打碎已經凝固的枝晶組織。鑄鍛雙控成形工藝主要適合生產形狀復雜和強度要求高的汽車零部件和其它結構件。
  2. Dynamic changes of total proteins metabolism of datura stramonium l. exposed different heavy - mental pollution durations

    對重污染不同經歷的曼陀羅種群總蛋白質代謝動化的初步研究
  3. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶結合狀,因此需要進行后續緻密化和塑性形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部形、多道次小形累積實現大形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。
  4. Ecocline a cline that is due to a specific environmental factor, such as a gradient of heavy metal concentration in the soil

    群:由物種生存特定環境因素影響而形成的一種漸群,例如土壤中的重濃度梯度。
  5. According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time

    根據nb - si二元相圖,選擇略低於nb _ 3si共析轉溫度t _ f = 1783的1550對鑄nb - si系間化合物進行不同時間( 25h - 100h )的熱處理,並根據目前國內和我院熱處理爐的現狀,首次提出採用分段熱處理的方法來解決nb - si合熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。
  6. Glutathione redox system as the important parts of defense systems was studied after exposure to sulfur dioxide at different concentrations. dna damage caused by so2 and lead acetate were also studied. protective roles of seabuckthorn seed oil on oxidative damage caused by so2 in liver and lung of mice were also investigated

    本文在整體動物水平上研究了不同濃度二氧化硫吸入后小鼠組織谷胱甘肽氧化還原系統( glutathioneredoxsystem )的動化規律;二氧化硫所致氧化損傷的防護作用研究;二氧化硫和大氣顆粒物中親氣性重元素鉛對dna的聯合損傷作用。
  7. The result shows that the addition of pbo, bi2o3, in2o3 in zinc electrode can improve the morphology of zinc deposition and prevent it from dendrite growth and deformation. and also, the dendrite growth of zinc was inhibited by the addition of c16 ( ch3 ) 3nbr in the electrolytes through the absorption in active sites on the surface of zinc electrode which will suppress zinc deposition

    實驗結果表明:在電極中適量添加pbo 、 bi _ 2o _ 3 、 in _ 2o _ 3三種氧化物可以明顯改善鋅沉積形、抑制鋅枝晶和形;十六烷基三甲基溴化銨通過在鋅電極表面的活性中心上特性吸附,抑制鋅在這些位置的沉積,產生較均勻的沉積,從而達到抑制枝晶的效果。
  8. In this experiment, the quantity change of partial pressure of main elements is given by longtime dynamic measuring of metal dewar exhausting with quadrupole mass spectrometer ( qms ), the results show that exhausting technology influences outgassing of dewar vacuum vessel, this paper gives the theory, equipment, method, data and disturb fators, we also give primary investigation how the main gases affect the vacuum integrity of dewar and point out the possible ways which can be applied to present technology

    摘要實驗研究用四極質譜儀對杜瓦排氣進行長期動監測,跟蹤內部主要氣體成分的分壓強的大小化,得出排氣工藝對杜瓦內表面放氣量大小的影響,介紹了實驗的原理、裝置、方法、數據和干擾因素,對影響杜瓦真空度的主要氣體成分進行了初步研究,提出改進杜瓦排氣工藝的可能方向,對工藝處理具有實際意義。
  9. Adopt advanced technic of f4 whole cold - press to moulding and heat melt to process to make, let the lining no slot to link withal cheek by jowl connect with exterior metalpipes wall, in the state of allowwing to work keep to distort in - phase, thereby to enhance using - life of lining in the working status of opposite high temperature high vacuum, stop the ecumenic pad fluorin pipes using in condition of cold and heat alternate and minus tension to come into being the matter of padding fluorin floor shrivel to jam the flowway and plastic rip, its perfect choice use to transport medium of strong corrosive strong oxidation by modern chemical - industry corporation

    採用氟塑料f4整體冷壓成型及熱熔加工等先進技術製造,使內襯層無縫搭接且與外層管壁緊密粘接,在允許工作狀下能夠保持同步形,從而提高了襯里層在相對高溫高真空度的工況下的使用壽命,杜絕了一般襯氟管在冷熱交替,及負壓的條件下使用易產生襯塑層鼓癟阻塞流道及塑料拉裂的問題,是現代化工企業在輸送強腐蝕強氧化介質理想的選擇。
  10. Levels of fasting blood glucose and 24h urinary microcontent of albumin 24 h malb were determined dynamically ; the serum glycosyl hemoglobin hba1c was determined after the last medication ; the ultrastructural changes of kidney were observed by transmission electron microscope ; the expressions of collagen, fibronctin, laminin ln, and the ecm metabolism influencing factors, including mmp2, tissue inhibitor of metalloproteinase timp2, transfer growth factor 1 tgf 1 in renal tissue were detected by immunohistological chemistry and image collecting analytical system

    檢測各組大鼠空腹血糖fbg 24h尿微量白蛋白24h malb ,末次給藥后測定大鼠血漿糖化血紅蛋白hba1c透射電鏡觀察各組大鼠腎臟超微結構改,應用免疫組化技術及圖像採集分析系統測定各組大鼠腎臟組織中型膠原c纖維連接蛋白fn層粘連蛋白ln的表達,測定影響ecm代謝的基質蛋白酶2 mmp2基質蛋白酶抑制劑2 timp2及轉化生長因子1 tgf 1的表達。
  11. In this thesis, we use the random - matrix - theory to revise the following calculating methods : ( 1 ) the heat capacity and the spin susceptibility of the normal metallic small particles ; ( 2 ) the heat capacity of the conventional metallic small particles at the low temperature using the mean field approximation method ; ( 3 ) the heat capacity of the conventional metallic small particles at the vicinity of the critical temperature using the static path approximation method

    本文採用隨機矩陣理論,計算了: ( 1 )正常小粒子的電子熱容和順磁磁化率。 ( 2 )在平均場近似下,計算了超導小粒子低溫區的電子熱容。 ( 3 )在靜路徑近似下,計算了超導小粒子轉溫區的電子熱容。
  12. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當形區內部始終維持準固時,才能實現穩定的液-固擠壓成形過程;在形場的模擬中,根據液浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了形過程中應力應場的化規律,研究了模角對形和流動的影響及形力的化過程和其影響因素。
  13. Metallic powders, excluding powders for hardmetals. determination of dimensional changes associated with compacting and sintering

    粉末.除硬質合外的粉末.在壓坯和燒結狀下測定尺寸
  14. But there are some technical difficults for the welding of aluminium alloy such as some broken bits being easily found, a large welding distortion can happen easily, hard to distinguish the difference between the solid metal and liquid metal colour, hard to control the temperature, a lot of air holes can be seen in the welding line and so on

    但是鋁合熔化焊時的技術難點在於:焊接時易引起夾渣,焊接形大,的固和液的色澤不容易區別,焊接操作時控制溫度困難,容易產生氣孔等等。如果焊前清理工作不是很好,檢測氣孔往往超標。
  15. The test results show that the liquid metal dealed by electromagnetic pump is purified, its solidification process changes, thus, its fluidity improves

    試驗結果表明,電磁泵處理使液充分凈化,使凝固結晶過程發生化,有利於液充型能力的提高。
  16. In contrast, plants from three populations of e. splendens showed high cu tolerance and substantial cu accumulation, under 100 umol l - 1 the plant of tl / zj / jd can accumulate 143. 5, 71. 9 and 58. 1 mg kg - 1 cu in the aboveground parts, respectively. the cu concentration in shoots was 16 to 27 times more than cu concentration in roots

    在盆栽試驗條件下,海州香薷和紫花香薷對土壤銅、鋅、鉛復合污染都具有很強的耐性,地上部分銅、鋅、鉛等重含量在植物生長期呈現動化,但植物地上部重積累量保持增加趨勢。
  17. Recently, as an advanced and eco - friendly method of powder preparation, freeze - drying has been developing quickly. the ultrafine ni powder with the average size of 50nm was prepared by freeze - drying form the niso4 and naoh and was studied by means of xrd, ir, fesem, tem, and dsc. the catalysis of nickel powders to nh4clo4 and how the precursor forms and the processes of the amorphous precursor to the final nickel powders are discussed

    本論文以分析純niso4 、 naoh為原料,採用冷凍乾燥技術成功的制備了50nm左右的球狀超細鎳粉,通過xrd 、 ir 、 fesem 、 tem 、 dsc等材料現代分析手段對產物進行了分析和表徵,研究了超細鎳粉對高氯酸銨熱分解的催化活性、前驅體的形成以及非晶鹽到晶超細鎳粉的轉過程。
  18. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門)士地利用化及其效應的可持續評價表明,曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力,局部地下水硝氮和重含量超標,對區域的種植結構調整。
  19. Main curricula : thermodynamic of material, crystal structure and the technology of x - ray, the principle of the solid state phase transition, the force behavior of material, metal material science, surface engineering, mate and engineering, the application of computer in material science

    主要課程:材料熱力學,晶體結構和x射線學,固原理,材料力學性質,材料學,表面工程,材料成型原理與工藝,計算機在材料科學中的應用
  20. In addition, considering the essential characteristics of the fusion - fission hybrid reactor, the preliminary analysis and research of the mhd pressure drop of liquid metal that flow through the fuel packed pebble bed - based blanket are given

    另外,基於聚中子源驅動的次臨界清潔核能系統,針對聚?裂混合堆的本質特點,對液球床包層進行初步地探討和研究,進行了球床液溢流的磁流體動力學流動的建模分析和計算。
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