沉澱熱處理 的英文怎麼說

中文拼音 [chéndiànchǔ]
沉澱熱處理 英文
precipitation heat treatment
  • : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
  • : 處名詞1 (地方) place 2 (方面; 某一點) part; point 3 (機關或機關里一個部門) department; offi...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • 沉澱 : 1 (沉澱過程中析出的物質) sediment; precipitate; sedimentary accretion; precipitation; (doposit...
  • 熱處理 : [冶金學] heat treatment; heat treating熱處理保護塗料 heat treatment protective coating; 熱處理車...
  1. Proceed from the present situation of nanometer tio2 powder industry in our country, confront more problems in preparation of nanometer tio2. on the base of analyzing advantages and disadvantages of existing every methods, neutralization precipitation method is adopted, using self - prepare tioso4 solution as raw material, soda as precipitant to precipitate titanous hydroxide precipitation, then obtained anatase nanometer titanium dioxide after heat treatment

    從我國發展納米tio _ 2粉體產業的現狀出發,針對納米tio _ 2制備中現存的問題,我們在綜合分析對比了現有各種方法優缺點的基礎上,採用中和法,以自制的tioso _ 4為原料,碳酸鈉作出ti ( oh ) _ 4,經得到銳鈦型納米tio _ 2粉體。
  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及誘生缺陷的形態,形核與溫度、時間的關系等進行了研究。
  3. According to the thermodynamics analysis of spontaneous mineral of iron, we assumed : when sewage disposal, if sulphur is eliminated prior, this makes the consistency of iron ' s ion keep high relatively, it will react with phosphorus, produce heterosite, vivianite precipitate. this will decrease the interior load of the phosphorus in sediment, and reduce the consistency of the phosphorus in the dianchi lake

    根據鐵的自生礦物的力學分析,提出設想:如果在污水時,優先脫硫,就使鐵離子的濃度保持較高,與磷生成磷鐵礦、藍鐵礦,就可以減輕積物中磷的內源負荷,進而降低滇池湖水中的磷的濃度。
  4. Then, the effect of heavily doped boron on ig of czochralski silicon was also investigated. it is found that no dz ( denuded zones ) were observed in the hb samples subjected to high one - step temperature, ramping annealing respectively. for conventional high - low - high three - step ig annealing, the dz becomes narrower and bmd density is higher in hb samples than that in lb samples, as a result of hb enhancing oxygen precipitation

    結果顯示,單步高溫時重摻硼樣品不能形成潔凈區;降溫退火中,降溫速度較為緩慢( 3 / min )時能生成一定量的氧,但沒有潔凈區形成;普通高?低?高三步過程中,形成明顯的潔凈區,但相對輕摻樣品而言,潔凈區較窄,氧密度明顯偏高,說明重摻硼樣品吸雜能力強。
  5. H silica - coated middle chrome yellow is prepared by the precipiation of chromate salt with lead nitrate solutions with special surface treatment of silica, aluminum and other additives

    中鉻黃是由鉻酸鹽和硝酸鉛相互,再經過硅、鋁等助劑特殊所得的耐性特佳的中黃色粉末。
  6. 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,論結合實驗確定了本電鍍液體系循環伏安電勢窗的想范圍,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;混合氧化物的共是目前研究點,在此選用與釕同一族的銥作為共元素,銥的加入會阻礙氧化物的積速度,銥的比例超過50 %會使積作用停止,但是二元氧化物的協同作用使積的活性物質比容量大大提高;一定溫度下退火后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。
  7. Finally, the effect of rapid thermal process ( rtp ) on oxygen precipitation in hb is investigated in this paper

    最後文章還系統研究了快速( rtp )對重摻硼硅單晶中氧的影響。
  8. - acetolactate decarboxylase is purifed from cell extract by 50 % - 80 % ammonium sulfate - fractionation, 50, 2min heat treatment and deae - sepharose fast flow column chromatography, which we study the different ph and different buffer of deae - sepharose fast flow column chromatography and conclude ph 6

    對其酶學性質進行了研究。 -乙酰乳酸脫羧酶經50 80硫酸銨分級、 50 , 2min、 deae - sepharosefastflow離子交換柱層析方法分離純化。
  9. - acetolactate decarboxylase are widely found among bacterial strains but not in other groups of organisms. the enzyme has been demonstrated to be effective for removal of acetolactate and widely used in beer product. in this paper, - acetolactate decarboxylase from bacillus subtilis was purifed to homogeneity from cell extract by ammonium sulfate - fractionation, heat treatment, deae - sepharose fast flow column chromatography

    本文對來源於枯草芽孢桿菌( bacillussubtilis ) 3226 - 5的-乙酰乳酸脫羧酶經硫酸銨分級、 deae - sepharosefastflow離子交換柱層析等分離純化步驟,得到sds - paeg電泳純,通過n末端氨基酸序列分析驗證酶蛋白的純度。
  10. It is possible to suppress brittleness and increase the strength and toughness by optimizing heat treatment process especially for microalloyed steels 50crv. in addition, heat processing for microalloyed steels socrv was investigated in principle in the paper

    通過微合金元素產生的強化,可以彌補回火造成的強韌性的下降,設計最佳的綜合工藝將可以同時提高鋼的強度和韌性,同時還可保持一定的硬度。
  11. There would be found distinct second " hardening apex in the curve when a conclusion was drawn that i : is likely that the most effective measurement to increase the strength and toughness is to fine grains and precipitate carbide nucleates of microalloyed elements, especially, fined grains of microalloyed elements increase the strength and toughness greatly

    結論;綜上所述,在一定的工藝下,提高微合金化50crv鋼強韌性的最有效的方法是細化晶粒和強化,特別是微合金元素的細化晶粒強化作用。
  12. Secondly, the character of carbon and the effect of carbon on the oxygen deposition in annealing are studied

    其次,研究了太陽電池用矽片中碳的行為以及過程中碳對矽片中氧和少子壽命的影響。
  13. In this paper, firstly, the effect of heavy boron - doping on oxygen precipitation was investigated. after annealed at different conditions, it is found that oxygen precipitation is enhanced by heavily boron doping, especially at high temperature

    本文研究了直拉重摻硼單晶硅的氧行為,著重研究了直拉重摻硼硅單晶中的氧、內吸雜、 rtp等性能。
  14. Crystal structure and ceramoc microstructure of powder samples are examined by xrd and tem. the mean grain size of the materials ranges from 10nm to 50nm by controlling the reaction concentration and annealing temperature

    採用化學法成功地制備了納米晶zno粉體,根據不同反應物濃度和溫度的選取,晶粒尺寸控制在10 ? 50nm范圍內。
  15. The transition from dried gel to mullite is : amorphpus si - al spinel mullite, and the equal radius of the final powder is 0. 54 m. deposit method is another efficient kind of method to prepare mullite powder, we also prepared mullite powder by this method and compare with sol - gel method. through the result, deposit method not only need relatively high temperature, but also the radius of grain is coarse, and the distribution is wide

    法也是一種制備莫來石粉末的有效方法,在實驗過程中,我們也採用該法制得了莫來石粉末,並和溶膠凝膠法作了比較,結果發現採用法制備莫來石粉末其需要更高的溫度,並且制得粉末的粒徑較粗、粒徑分佈范圍較寬。
  16. During the fabrication or service, if the applied tensile stresses exceed the probabilistic tensile strength of silicon, then failure will occur. even a tiny crack will bring tremendous damage to devices and circuits. especially nowadays, with the increasing of silicon wafer diameter, warpage in heat treatment, defects and dislocations generated in silicon often become critical problems in ulsi devices fabrication

    特別在大規模集成電路與器件生產中,一個微小的裂紋就可能導致后道工序中電路與器件的完全損壞;而且在過程引起的翹曲,使光刻精度下降;在矽片內部產生的氧及位錯等缺陷,會導致集成電路或器件的漏電流增加,使器件失效。
  17. The most aim is to found the rule of carbon effects oxygen deposition and the change of minor carrier lifetime in annealing

    其主要目的是通過不同溫度的,發現碳對氧影響的規律,以及過程中矽片樣品少子壽命的變化。
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