氧化物顆粒 的英文怎麼說
中文拼音 [yǎnghuàwùkēlì]
氧化物顆粒
英文
oxide particle- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 氧化物 : oxide; oxyde; oxidizing material; oxidate
- 氧化 : [化學] oxidize; oxidate; oxide; burning; rust; oxygenize; oxido-; oxy-
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
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During the heating process the fibers of rare earth oxide break and become the spheral particles progressively
在熱處理過程中,纖維狀稀土氧化物顆粒斷裂,並逐步聚集成短棒狀或球狀。So re oxides has two form existence, one is concentrate on the matrix equiaxial crystal grain boundary as a micron particles and the other is distributed in matrix crystal dispersively as the nanometer particles compared the electron emission performance of mo - la2o3, mo - ; la2o3 - y2o3 and mo - la2c > 3 - sc2o3 cathode, the mo - la2o3 - sc2c > 3 cathode show excellent electron emission character
上述研究表明不論是在稀土?鉬陰極還是在稀土?鎢電極中,稀土氧化物的存在形式有兩種,一種是微米級的顆粒偏聚于晶界處,另外一種是彌散分佈於基體晶粒的納米小顆粒。The main factors that influence the anaerobic granulation process were summarized, including inoculation seeds arid its concentration, nutrients, inorganic ions, temperature, as well as hydraulic conditions
摘要總結了影響厭氧污泥顆粒化進程的幾種主要因素,包括接種污泥的種類和濃度,營養物的種類和濃度、無機離子、培養溫度以及水力條件等。Combining with characters of powder, the mechanic of powder plastic deformation, the strengthen cause of powder extrusion products, the effect of surface oxide and powder strengthen materials property and formability of powder extrusion products were introduced and discussed in this dissertation
論文結合粉末的特性,對粉末塑性成形的機理、粉末擠壓製品的強化機制、粉末表面氧化物及顆粒強化材料對粉末擠壓製品的性能和成形性的影響進行了述評。By means of sem, tem, laser scattered particle analyzer, etc., the formation mechanism of ultrafine sio2 particle was studied. it was found that at the initial stage, the sio2 particle consisted of some minicrystal, but after the initial stage the sio2 particle was formed by some soluble aggregated substance growing on the surface of the early particle
運用掃描電鏡、透射電鏡、激光粒度分析儀等檢測手段,探討了體系中超細二氧化硅顆粒的形成機理和過程,指出超細二氧化硅粒子前期是由體系中的微晶核組成,中後期則由體系中的可溶性縮合物在其表面生長而成。These particles will aggregate into a certain structure when the applied field yields a critical value. the other is fabricated from " half - metallic " oxides, i. e., ferromagnetic oxides which are predicted theoretically to be completely spin - polarized and really found experimentally to have very high spin - polarization. when a magnetic field is applied to half - metallic granular systems, the resistance will drop rapid and dramatically, which is called the extrinsic magnetoresistance effects in half - metallic granular systems
在磁性材料中,亦有由在理論上具有完全的自旋極化率、在實驗中也被證實具有高自旋極化率的一系列半金屬氧化物材料構成的多晶、粉末等顆粒體系,被發現能在外磁場下發生顯著的電阻下降,即半金屬氧化物顆粒體系中的外稟磁電阻效應。It ' s pointed out that, under the condition of vim refining, the amount of oxide inclusions residue in molten steel increases with the increased loss of deoxidizing elements, and the key of melting extra - low oxygen steel is to avoid the thermal decomposition of lining material ; the size of deoxidizing products increases with the increased degree of supersaturation of deoxidizing elements ; larger inclusions granules found in extra - low oxygen steel come mainly from lining material
結果表明,在真空感應熔煉條件下,殘留在鋼中的氧化物夾雜數量隨脫氧元素鋁燒損量增加而增加,熔煉超低氧鋼的關鍵是避免爐襯熱分解;脫氧產物尺寸隨脫氧元素過飽和度增加而增加;超低氧鋼的大顆粒夾雜主要來自爐襯材料。Therefore, the strenthening mechanism of rare earth is dispersive atrenthening. the particles exist not only on the boundaries but also in the grains
稀土氧化物顆粒不僅存在於晶界上,也存在於晶粒內部,晶粒內部的稀土顆粒粒徑比晶界上的顆粒小。One is about of temperature - dependence of luminescence of eu3 + and tb3 + doped in oxide glass and nanocrystalline y2o3 ; the other is about of light - induced luminescent and structural change in nanocrystalline y2o3 : tb. the creative works are as follows : ( 1 ) euand tb doped nanocrystalline y2o3 with different sizes were prepared by combustion synthesis. dependences of particle size, crystallinity and fluorescence characteristic on ratio of gly / y ( no3 ) 3 and annealing temperature were studied
本文以變溫與光輻照為實驗方法研究了eu與tb摻雜y _ 2o _ 3納米晶及氧化物玻璃中發光性質隨溫度的變化關系和光誘導y _ 2o _ 3 : tb納米晶發光性質及結構的改變過程,得到如下創新性研究成果: ( 1 )用燃燒法制備了稀土摻雜y _ 2o _ 3納米晶,研究了甘氨酸與硝酸釔的反應比例( g n ) 、退火條件對稀土摻雜y _ 2o _ 3納米晶顆粒尺寸、結晶狀況及發光特性的影響。Chemical preparation of iron oxide nanoparticles and its assemblies
鐵的氧化物納米顆粒及其組裝體的化學制備The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti
加入適量的mg ( 2wt )可以抑制tic al復合材料中的脆性相al _ 3ti的產生,生成僅含tic的鋁基復合材料;由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱,在熔體中形成微高溫區,促進al - ti反應,同時, al - ti反應也是放熱反應,因此體系中的內能急劇增大,促使al _ 3ti分解以及ti朝c顆粒擴散,縮短反應的孕育時間。Abstract : the investigations of high temperature plastic behaviors of al2o3 - based oxide ceramic particle composites and al2o3 - based non - oxide ceramic particle or whisker composites since 1980s are reviewed respectively
文摘:介紹了自80年代以來人們對氧化鋁基氧化物陶瓷顆粒復合物以及氧化鋁基非氧化物陶瓷顆粒或晶須復合物高溫變形的研究。When deposit temperature is raised from 450 to 500, the size of nano - crystals is increased from l ~ 4nm to 5nm. a few 8162 nano - crystals are also found, which are derived from the amorphous oxide in the matrix. simultaneity, some special patterns appear while nano - crystals move and rearrange
薄膜中的結晶程度隨沉積溫度的升高而提高,納米硅晶粒的尺寸由450時的1 4nm增大到5nm以上,氧化程度也隨之加深,非晶介質中的氧化物逐漸向氧化硅的晶態轉變,同時納米顆粒在晶粒遷移和重排過程中局部形成特殊形貌的團聚物。In the ingots the particles of rare earth oxide are dispersive distribution
在坯條中,稀土氧化物顆粒為彌散分佈,稀土的強化機制為彌散強化。Fexsy particles were adhered to the surface of tio2 by dipping tio2 film into fexsy sol solution. as temperature is beyond 300, fes2 ( pyrite ) particles is created in the solution. theoretical analysis shows that pyrite comes from fes that has been created from fe2 + and s2 -
對溶劑熱法制備的fe的硫化物顆粒與fes _ 2敏化tio _ 2電極樣品的研究表明:當反應溫度超過300后,產物中會存在fes _ 2 ,對反應機理探討說明,這些fes _ 2是fes在h _ 2s的氧化還原作用下生成的。Square resistance of bapb _ ( 1 - x ) bi _ xo _ 3 based thick films was near - linear increased and tcr of bapb _ ( 1 - x ) bi _ xo _ 3 based thick films was near - linear decreased with increase of content of ag. the electric conduction model of bapb _ ( 1 - x ) bi _ xo _ 3 based thick films was formed. bapb _ ( 1 - x ) bi _ xo _ 3 based thick film is actually conductive with lead and bismuth oxide, the main factors on the properties of thick film is the electric resistance and contact resistance of conductive particulates ; the electric conduction model of ag - bapb _ ( 1 - x ) bi _ xo _ 3 based thick film : the general structure of conductive network is constructed by conductance chain of ag and is submerged into bapb _ ( 1 - x ) bi _ xo _ 3 based conductive ceram
本文認為: bapb _ ( 1 - x ) bi _ xo _ 3厚膜電阻是一種摻有鉛、鉍氧化物的導電陶瓷燒結體,影響厚膜電阻導電性能的主要因素是導電顆粒自身電阻與顆粒間接觸電阻;厚膜電阻摻銀后的導電微觀結構是由許多微小串聯或並聯的ag顆粒組成的導電鏈構成的結構復雜的多維導電網路,此導電網路被「淹沒」在bapb _ ( 1 - x ) bi _ xo _ 3導電燒結體中。In modern plants the gases produced by combustion ( flue gases ) then pass through devices that remove particulates and oxides of sulfur and nitrogen before being exhausted via smokestacks into the air
現代的電廠中,燃燒產生的廢氣會再通過其他設備,去除硫與氮的顆粒及氧化物,最後才經由煙囪排入大氣中。Contrarily, w - cu powder prepared by reducing the mechanically mixed wo3 - cuo oxides has a particle size ranging from 0. 1 to 1 m with irregular partic le shape and non - uniform distribution of w and cu composition
而機械混合氧化物共還原法制備的w - cu復合粉顆粒較粗大,其粒徑分佈范圍在0 . 1 1 m之間,顆粒形狀也並不規則。Usually, they are stretched step by step and form the fibers fmally, but the y2o3 particles ca n ' t form the fibers and just smash
多數情況下稀土氧化物顆粒被逐漸拉長成纖維狀,但氧化釔顆粒破碎成顆粒而不形成纖維狀。From the investigation of titania films with peg as additive, several significant conclusions could be drawn : titanium dioxide films with porous microstructure could be prepared using peg as additive ; almost no conglomeration were observed with the titanium particle ; the microstructure of titania films could be modulated by the amount of peg and treating temperature ; at the same time, the porosity of the film improved with the increase of peg ; for the specimen treated at different temperatures, the greatest porosity could be achieved when treated at 500 ? ; the adding of peg could greatly increase the dye adsorption amount
對以peg為添加物的tio _ 2薄膜樣品的研究表明: peg的加入得到了具有疏鬆多孔結構的tio _ 2薄膜,但二氧化鈦顆粒有些團聚。 peg的含量和熱處理溫度對tio _ 2薄膜的微觀結構均有影響。 tio _ 2薄膜的氣孔率隨peg的加入量的增多而增大。分享友人