粉末還原 的英文怎麼說

中文拼音 [fěnmòháiyuán]
粉末還原 英文
powder reduction
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 末 : Ⅰ名詞1 （東西的梢;盡頭） tip; terminal; end 2 （非根本、非重要的事物） nonessentials; minor detai...
  • 還 : 還副詞1 （表示現象繼續存在或動作繼續進行; 仍舊） still; yet 2 （表示在某種程度之上有所增加） even...
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 粉末 : powder; flour; stive; smalls
  • 還原 : 1 （恢復原狀） return to the original condition or shape; restore2 [化學] （還原作用） reduction;...
  1. This thesis reports some results on the hot press sintering of nano - composite wc - co powder, which is prepared by spray pyrogenation & continuous deoxidization and carbonization process

    本課題採用熱壓燒結技術對以噴霧熱解?連續還原碳化法制備的納米復合wc - co粉末進行了熱壓燒結研究。
  2. The product is a chief material for high temperature insulant, used mainly for the producing of polyimid resin, thin film, and insulating paint. it is also a high temperature curing agent and plasticizer. some kinds of curing agents of powder coating are made from it

    主要用於制聚酰亞胺樹脂，聚酰亞胺在廣泛的溫度范圍內具有優良的電氣絕緣性能，亦可做耐高溫環氧樹脂固化劑聚氯乙烯增塑劑及皮革柔軟劑，還可用做某些粉末原料。
  3. Metallic powders - determination of hydrogen reducible oxygen content

    金屬粉末中可被氫還原氧含量的測定
  4. Metallic powders - determination of hydrogen - reducible oxygen content

    金屬粉末中可被氫還原氧含量的測定
  5. There are many methods to investigate domains, such as polarization microscopy, scanning electron microscopy, transmission electron microscopy, scanning electron acoustic microscopy and so on. however, these methods suffer from some serious disadvantages involving complex sample preparation, damage to sample, low resolution

    現有的鐵電疇檢測手段，如偏光顯微鏡、粉末花樣技術、掃描電鏡、透射電鏡、掃描電子聲顯微鏡等存在這樣或那樣的缺點：諸如制樣繁瑣、易破壞原始疇結構、或疇結構成像解析度還不夠高等。
  6. It is based on the exothermic reaction of the corresponding metal nitrates with a reducing agent and yields extremely fine - grained ashes that readily convert into pure znfe2o4 when treated thermally

    該法是在還原條件下，以相應的金屬硝酸鹽的放熱反應為基礎從而產生了超細粉末，然後通過加熱使其轉化為純的znfe _ 2o _ 4相。
  7. The formation mechanism of titanium nitride powders by reduction of carbon and nitridation was researched by method of continuous weighing. the possibility to obtain the titanium nitride from this process was asserted by thermodynamical analysis and by the means of x - ray diffraction and sem

    用連續稱重法研究了鈦白粉被活性碳還原氮化合成氮化鈦粉末的還原氮化反應機理，並進行了反應的熱力學、反應產物的顯微結構以及x - ray衍射分析。
  8. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。
  9. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響，詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響，並得出如下結論： （ 1 ）採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 （ 2 ）冶煉溫度越高，高壓水壓力越大，所得生粉顆粒粒度越細。 （ 3 ）水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  10. The preparing process is as follow : mixing the nickel salt, zirconium salt and stabilizer in the solvent ( distilled water ) to prepare mixing solution according to a certain ratio ; commingling the mixing solution and coordination solution of carboxylic ammonia in accordance with a certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powders and the zro2 - ni nanocrystalline composite powders were gained by reducing the zro2 - nio powders

    方法如下：將鎳鹽、鋯鹽、穩定劑和水溶劑按所需成分配成混和溶液，再將混和溶液、外加劑按比例混和形成溶膠，溶膠經乾燥成為凝膠，凝膠經預燒得到ysz - nio氧化物納米粉末，將該氧化物粉術還原得到ysz - ni納米復合粉術。絡合。
  11. In this study, the preparing processes of zro2 - ni nanocrystalline composite powder aremixing the nickel salt, zirconium salt and stabilizer, solvent ( distilled water ) together to prepare the mixing solution according to certain ratio ; commingling the mixing solution, coordination solution of carboxylic ammonia, intrusion aid in accordance with certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powder and gaining zro2 - ni nanocrystalline composite powder by reducing the zro2 - nio powder. xrd, x - ray wide - angle diffractometer, bet, sem, tem, hrtem analyses are used to study the zro2 - ni nanocrystalline composite powder and zro2 - ni cermet. the sintering temperature is determined

    本研究的zro _ 2 - ni納米復合粉末的制備方法如下：將鎳鹽、鋯鹽、穩定劑和溶劑（水）按所需成分配成混合溶液，再將混合溶液、外加劑和氨羧絡合劑按比例混合形成溶膠，溶膠經乾燥成為凝膠，凝膠經預燒得到zro _ 2 - nio納米粉，將該氧化物粉還原得到zro _ 2 - ni納米復合粉。
  12. Water atomization is a technique that can commercially and high - efficiently manufacture iron & steel powders. the key in their production technique is the high - pressure water atomization and the green powder reduction at an elevated temperature

    水霧化制粉是一種適用於規模化、高效率生產高性能鋼鐵粉末的技術，其生產技術的核心是高壓水霧化技術和原生粉末高溫還原技術。
  13. Reduced iron powders for powder metallurgy

    粉末冶金用還原鐵粉
  14. ( 7 ) the gel made from the aqueous solution of al + and fe + ion was calcined at 500, then the powder received were reduced in h2 atmosphere at different temperature, and the fe - al2o3 nanocomposites will be obtained as the reducing temperature increased to 900. ( 8 ) the transition phase feal2o4 was found during fe2o3 was reduced to fe

    （ 7 ）將均勻摻雜法制各的， fe _ 2o _ 3含量為30wt的復合干凝膠，經500預處理後作為還原的前驅體，在氫氣氣氛下，經900還原1小時得到了純相的fe - al _ 2o _ 3納米復合粉末。
  15. 3. cu2o and cuo are deoxidized into cu when the oxidized powders are kept at 1073k for 30min in gas protected furnace, in which graphite is used for heating unit, while cr2o3 can not be deoxidated. so the oxidized powders can be made into cr2o3 / cu compound powders

    在以石墨為發熱體材料的氣氛保護爐中，預氧化后的粉末在1073k保溫30min后， cu _ 2o被還原成cu ，而cr _ 2o _ 3穩定存在，因此可將氧化后的粉末製成cr _ 2o _ 3 cu復合粉末。
  16. The thermodynamics conditions of oxidation and deoxidation of crcu powders were studied. the microstructure and properties were discussed in the end

    研究了合金粉末氧化還原的熱力學條件；對復合材料的組織與性能進行了分析。
  17. Metallic powders - determination of oxygen content by reduction methods - loss of mass on hydrogen reduction hydrogen loss

    金屬粉末.用還原法測定氧含量.氫還原時的質量損失
  18. Metallic powders. determination of oxygen content by reduction methods. part 2 : loss of mass on hydrogen reduction hydrogen loss

    金屬粉末.用還原法測定氧含量.第2部分:氫還原時的質量損失
  19. Metallic powders - determination of oxygen content by reduction methods - part 2 : loss of mass on hydrogen reduction hydrogen loss iso 4491 - 2 : 1997

    金屬粉末.用還原法測定氧含量.第2部分:氫還原時的質
  20. Preparation of co - b amorphous powder by chemical reduction and investigation of crystallization kinetics of this powder

    非晶粉末的化學還原法制備及晶化研究
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