chemical heat treatment 中文意思是什麼

chemical heat treatment 解釋
化學熱處理
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  • heat : n 1 熱;熱力;熱度;熱量。2 體溫;發燒。3 (氣候的)高溫,暑氣。4 【冶金】熔煉的爐次;裝爐量;一...
  • treatment : n 待遇;作業;處理,處置;討論,論述;【醫學】治療,療法;(種子的)消毒(處理)。 preferential t...
  1. There are the production lines established of intermediate - frequency melting, silicasol shuck, precision casting and metal ceramic, and 250 universal devices suck asvacuum melting electric furnaces, high - temperature and intermediate - temperature heat treatment electric furnaces, digitai - control lathes, milling and drilling machines, coreless millers, spherical surface millers, standing milling machines and so on, lt has established the central measuring roomm physicallab, chemical lab, metallic phase lab, crack detection test lab, seat ring lab, rocker lab and ducgt trestle lab, our esported gas engine valve seat to america was rewarded the second prize in terms of sichuan high - quality product

    建有中頻熔煉真空熔煉硅膠溶模精密鑄造粉末冶金生產線。有中頻電爐真空熔練電爐高中溫熱處理電爐數控車床鉆銑床無芯磨外園磨立磨等通用設備250臺套。有中心計量室物理化學金相探傷檢測及座圈搖臂導管臺架實驗室。
  2. The dependence of oxygen precipitation and induced - defects in heavily as - doped silicon on heat treatment process was studied by annealing and ig process, chemical etching, scanning electron micrograph ( sem ) and transmission electron microscopy ( tem ). a developed ig technique was suggested and the mechanism of the influence of as on oxygen precipitation formation in heavily as - doped silicon was discussed

    本文通過化學腐蝕、光學顯微鏡、掃描電鏡( sem ) 、透射電境( tem )等分析技術,對重摻砷硅單晶在單步退火工藝和內吸雜退火工藝中氧沉澱及誘生缺陷的形態,形核與熱處理溫度、時間的關系等進行了研究。
  3. Qishuyan locomotive & rolling stock works, situated in changzhou city, jiangsu province and founded in 1905, covers an area of 1, 760, 000 square meters, owns 4, 500 unitssets of various mechanical equipment, and possesses a comprehensive production capability of forging & casting, machining, riveting & welding, heat treatment, tooling & patterns and sophisticated measures for physical & chemical tests, metrological measurements & inspection. it is an important base for manufacturing artery dedicated diesel engine locomotives, freight wagous, heavy duty diesel engines and railway components, which have won the credit and trust from customers by their excellent quality and outsanding aftersales service and enjoy good sales throughout the country and in countries in europe and america

    公司介紹:戚墅堰機車車輛廠地處經濟發達、科技進步、風景秀麗、人傑地靈的江蘇省常州市,創建於1905年,佔地176萬平方米,擁有各類機器設備4500臺,具有鍛鑄、機加工、鉚焊、熱處理、工裝模具等綜合生產能力,以及齊全的理化試驗、計量和檢測手段,是我國鐵路干線內燃機車、貨車、大功率柴油機和鐵路配件的重要生產基地,以優質的產品和優良的服務羸得客戶信賴,產品銷售遍及全國並遠銷至歐美等國際市場。
  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。
  5. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  6. Xps showed that there were much chemical absorbing water on the ti _ ( 2 ) film surface which mainly existed in form of - oh, and the contents of - oh was increasing with the annealing temperature. hydrophilic property became better with the annealing temperature ; the essential relation between the changing of contact angle and light - induced - electrons and light - induced - cavities was studied in details. the photocatalysis of samples without heat treatment was very bad, but that of samples after heat treatment was much better

    Xps的分析表明:試樣的表面含有大量的化學吸附水,主要以羥基的形式存在,隨著熱處理溫度的升高,吸附羥基的含量在增加;親水性能測試表明:隨著氧氣分壓的變化,其親水性能變化不大,隨著熱處理溫度的增加,試樣的親水性能在變好,並從理論上解釋了親水性能光照前後變化和光生電子?空穴對之間的本質關系。
  7. Enterprise pessess of advanced electing cooker of frequency conversion semiconductor superior checking electric cooker etc. complete heat treatment equipment, equipments, precious physical and chemical experiments and quality guarantee system lay the reliable foundation for casting the products of high quality

    公司現擁有先進的固體變頻電爐、半導體變頻電爐、消失模鑄造生產線、拋丸清理設備及完整的熱處理設備,超前的檢測設施、精確的理化實驗、完備的管理檢測手段及質量保證體系為鑄造高品質的產品奠定了堅實的基礎。
  8. Antimony doped tin oxide ( ato ) and indium tin oxide ( ito ) thin films have been prepared by a sol - gel process using inorganic metal salts as precursors. the effects of heat - treatment atmosphere, temperature, time and dopant content on the electrical and optical properties of thin films were investigated. the fine patternings of the ato films were fabricated by chemical modification and sol - gel method

    本文以無機鹽為出發原料,採用溶膠?凝膠法制備了光學和電學性能較為優良的摻銻二氧化錫( ato )薄膜和摻錫氧化銦( ito )薄膜,進一步研究了熱處理氣氛、溫度、時間、摻雜量對薄膜電學及光學性能的影響。
  9. The main contents of the experiments includes such items as follows : design of the new wear - resisting cast steel ' s chemical composition, determination and analysis of the new wear - resisting steel ' s quench degree and cct curve, ananysis of the cast structure, study of t he new wear - resisting steel ' s heat treatment process

    在此基礎上,對chme鋼的淬透性,熱處理工藝、耐磨性進行了試驗研究,並制定了熔煉、鑄造、熱處理工藝,進行了生產小試和裝機試運行。試驗結果表明,設計的chme鋼淬透性良好,能滿足大型球磨機襯板的淬透性要求。
  10. Gas producer is widely used in forging, smeltingmetallurgical, heat treatment and drying equipment industryetc. suchas : glass fumace, linme kiln, pottery kiln enamel, scouring pui kilns, chemical and refractory kiln, ferrosili - cin calcium carbide fumace and annealingkiln, etc

    煤氣發生爐廣泛用於鍛造、熔煉、冶金、化工、熱處理、烘乾設備等行業,如:玻璃爐窯、石灰窯、陶瓷窯搪瓷、精煉培燒窯、化工和耐火材料窯、硅鐵電石爐、退火窯等。
  11. Technologies such as chemical constitution selecting, alloy melting, casting process designing and optimizing, mechanical machining and heat treatment process on pump body, impeller, front and rear board of cw. nb450 dredge pump abrasion resistance parts are concluded

    摘要總結了用於挖泥船的cw . nb450型泥泵過流耐磨部件泵殼、葉輪、前後襯板的化學成分選擇、合金熔煉、鑄造工藝設計及優化、機械加工、熱處理工藝等技術。
  12. This mesh belt, firmly composed with great tensile strength, can block the seepage of small articles, applying to petroleum chemical fiber, heat treatment, food industry etc. the edge can be added a block slice, weld directly or runed - up directly

    此網帶可擋住較小物件的滲漏,組合牢固,抗拉強度大,廣泛應用於石油化纖、熱處理、食品工業等行業,邊緣可加擋片,直接焊接或直接翻邊。
  13. Silicon nitride ( normally si3n4 ) has been widely used in such fields as micro - electronics and optoelectronics as a promising film material because of its excellent property. many researches have been made on silicon nitride, especially on preparation for it with all kinds of cvd ( chemical vapor deposition ). but the growth mechanism and kinetics of direct - nitridation in nitrogen are not investigated in detail, especially few work has been done on direct - nitridation of silicon wafer in nitrogen during heat treatment

    氮化硅( si _ 3n _ 4 )具有許多特殊的優越性能,是一種前景廣闊的薄膜材料,並已廣泛應用於微電子、光電子領域,人們對此做了大量的研究,但主要集中在用各種化學氣相沉積的薄膜制備上,對直接氮化法的機理和動力學研究較少,特別是矽片在氮氣保護的熱處理條件下的直接氮化行為研究更少,甚至對矽片在熱處理條件下能否與惰性的氮氣發生反應等問題依然存在爭論。
  14. The results show that the chemical composition of substrate surface and the heat - treatment regime are the major influencing factors on the formation of silver nanoparticles. during the heat - treatment, sn2 + in the bottom face of the float glasses reduce ag + to ag ? which is the key to form silver nanoparticles

    結果表明,在樣品的熱處理過程中,浮法玻璃下表面的sn ~ ( 2 + )將ag ~ +還原成ag ~ 0 ,這是銀粒子形成的關鍵;基片中的na ~ +與復合膜中的ag ~ +互擴散促進了銀納米子的形成。
  15. Abstract : analysis is made on types and performances of protective atmospheres of the steel tube heat treatment furnace with protective atmosphere, and also dynamic analysis on the non - oxidation equilibrium conditions of the chemical process of atmosphere of the said furnace is made

    文摘:分析了鋼管保護氣氛熱處理爐的保護氣氛類型及性能,對鋼管保護氣氛熱處理爐內氣氛的化學過程動態分析了無氧化的平衡條件。
  16. It is natural graphite as outstanding films phosphorus chemical processing, heat treatment, the non - pressure processing from any binder pure graphite products

    它是由天然磷片石墨經特出化學處理、熱處理、壓力加工而成的不含任何粘結劑的純石墨製品。
  17. 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。
  18. Using widely for various industry furnaces, such as insulating lining of heating stove and equal heating stove in steel and heat - treatment furnace in machinery, insulating lining of thermal engineering equipment and inside lining of chimney in petroleum, chemical industry, nonferrous metal and building materials industry

    可廣泛用於各種工業爐,如鋼鐵工業的加熱爐、均熱爐的隔熱保溫層,機械工業的熱處理爐,石油、化工、有色、建材等行業熱工設備隔熱襯里和煙囪襯里。
  19. The effects of bath temperature and heat treatment on the morphology, chemical compositions, crystal structures and optical properties have been discussed

    重點研究了沉積溫度和退火處理對cdse薄膜的組成、氧化程度、晶體結構和光吸收性質等方面的影響。
  20. At first, some preparative methods of magnetic microsphere were summarized, including physical and chemical methods such as spray evaporation, heat treatment, emulsion polymerization, self - assembly and so on

    首先介紹磁性微球的幾種制備方法,包括噴霧乾燥、熱處理等物理方法,以及乳液聚合、自組裝等化學方法。
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