元素粉末 的英文怎麼說
中文拼音 [yuánsùfěnmò]
元素粉末
英文
elemental powder-
Carbon can promote the forming of carbide of fe3c mostly during the ma, while it seems that chromium makes amorphism easier. in addition, this paper also made a research on the milled powder forming technology, and presented some improvement methods
機械合金化過程中,碳元素可以促進以fe _ 3c為主的碳化物的析出,鉻元素使粉末更趨向于非晶態轉變,並使材料出現超順磁現象。Besides acting as agent of huzhou zhanwang pharmaceutical co., ltd. for a variety of adjuvant, we are also the agent for many imported adjuvant, such as new zealand wyndales lactose ; germany basfs vitamins and direct compression excipients ; france roquettes polyatomic alcohol ; germany sasols polyglycol ; switzerland givandans powdery flavoring essence ; usa cabots gas silica ; italy randi groups tartaric products ; uk crodas tween and span ; japan asahikaseis microcrystalline cellulose ; usa noveons carbopol resin, etc
我公司除代理湖州展望化學藥業有限公司各種輔料,同時代理多家進口輔料,諸如:紐西蘭乳糖系列產品、德國巴斯夫公司維生素系列產品及直接壓片輔料;法國羅蓋特多元醇系列產品;德國沙索公司聚乙二醇系列產品;瑞士奇華頓粉末系列香精;美國卡博特公司氣相法二氧化硅;義大利拉第集團天然酒石酸系列產品;英國禾大公司吐溫,司盤系列;日本旭化成公司微晶纖維素系列產品;美國諾譽公司卡伯波樹脂系列等。The effects of the different kinds of rare earths and the doping amount of them on magnetic properties of bafe, 2o19 ultrafine powders ( including the specific saturation magnetization, the specific remanent magnetization and coercive force ) were firstly discussed systematically
首次查明了鋇鐵氧體粉末的磁性能(包括比飽和磁化強度、比剩餘磁化強度和內稟矯頑力)隨稀土元素種類及其摻雜量的變化規律。The alloyed self - propagating high - temperature synthesis technology has been investigated in this paper, by which ceramic lined compound pipes can be produced. after active carbon powder and alloy steel powder are added to the thermit, the self - propagating high - temperature synthesis reaction starts. the effect of carbon and alloy elements on the interlayer of the compound pipes has been studied
本文研究了合金化自蔓延陶瓷內襯復合鋼管製造技術,即在鋁熱劑中加入活性碳粉或合金鋼粉末,進行自蔓延高溫合成反應,分析了碳和合金元素對復合鋼管過渡層的影響。In this paper, the nacre of hyriopsis cumingii ( lea ) which is one of the main freshwater pearl - forming mollusk in china is studied emphatically, as compared with the nacre of three species of saltwater pearl - forming mollusks, pinctada martensii ( dunker ), pinctada maxima ( jameson, and peteria penguin ( roding ). the basic characteristics of nacreous and prismatic layers are understood by powder x - ray diffraction analysis, trace elements analysis, amino acid composition of protein and differential thermal analysis
本文以我國主要育珠蚌淡水三角帆蚌貝殼珍珠層為重點研究對象,以三種海水育珠貝馬氏珍珠貝、企鵝珍珠貝及大珠母貝貝殼珍珠層為對比研究對象,首先通過粉末x -射線衍射、微量元素分析、蛋白質氨基酸分析及差熱分析對珍珠層及其與之密切共生的稜柱層的基本特徵進行了初步研究。Raw and auxiliary materials : iron powder, copper powder, tungsten powder, tungsten - carbide powder, stainless ( high - speed ) steel powder, magnetic material, ceramic material, nanophase material and other metal powders and alloy powders
原輔材料類:鐵粉、銅粉、鎢粉、碳化鎢粉、不銹(高速)鋼粉、磁性材料、陶瓷材料和鈉米材料及其它元素金屬粉末及合金牌號的粉末等。The preparation of porous ni - ti alloys by mechanical milling and powder metallurgy has been studied in this paper in order to reveal the phase transformation and densifying behaviors of different degree milled ti - 50. 5at % ni powders during sintering
採用150r min和200r min兩種轉速來高能球磨近等原子比ni , ti純元素混合粉末,研磨直到非晶態為止。Chapter 5. ceoi nanoparticles of average diameter about 30 nm were prepared by sol - gel method in lower temperature
另外,我們用自製的納米氧化怖粉末制備了以醋酸纖維素為母體的稀土元素離子選擇電極。In this work, using elemental powders as starting reactant materials several carbide powders such as wc, sic, tic, zrc and corresponding alloys had been fabricated by ball - milling technique. x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), transmission electron microscopy ( tem ) and other measurement techniques had been used to monitor the structural changes of powders after some ball milling time and the properties of the cemented tungsten carbides. and the mechanism for the formation of matal carbides by ma has also been discussed
本文主要對機械合金化( ma )技術在碳化物制備中的應用進行了研究,利用高能球磨,以元素粉末為原料,制備出wc 、 sic 、 tic 、 zrc的粉體以及wc基硬質復合材料,並利用x射線衍射、掃描電鏡、透射電鏡等方法分析和研究了球磨過程粉體的變化以及燒結后硬質合金的性能,對機械合金化制備碳化物的有關機理進行了研究和探索。For the powder milled to amorphous state, because of its very fine structure, it is easy to occur phase transformation and has good size stability when sintered
研磨到非晶態的粉末由於元素達到原子尺度混合,大大縮短了擴散距離,不僅易於發生固態相變,而且燒結體尺寸穩定性好。Determination of trace elements in uranium dioxide powders and pellets by icp - aes
二氧化鈾粉末和芯塊中雜質元素的測定icp - aes法The results indicate that arc melting is a good method to produce nb - si system intermetallics due to its simpler technics, lower cost and compact products. however, powder metallurgy is found to be not suitable to produce the nb - si system intermetallics due to its coarse and loose products resulting from the poor molding property of nb and si mixed powders. optical floating zone technology, which is used to fabricate nb - si intermetallic composites for the first time, is also found to be a good way to produce nb - si system intermetallics because of its compact products and good property despite of its relatively high cost
結果表明,電弧熔煉方法制備得到的nb - si系金屬間化合物比較緻密,且制備工藝簡單,經濟實用,是一種合適的nb - si系金屬間化合物制備方法;由於nb 、 si元素粉末的成型性很差,用粉末冶金方法(熱壓燒結和冷等靜壓)制備的nb - si系金屬間化合物表面粗糙、緻密度低,且成本較高,不宜用於制備nb - si系金屬間化合物;首次用光學懸浮單晶生長技術制備的nb - si系金屬間化合物復合材料緻密度很高,盡管成本稍高,但由於性能最佳,也是一種合適的nb - si系金屬間化合物制備方法。The tribological characteristics of ultrafine ws2 powders added in engine oil have been investigated by four - ball machine test, and compared with chloroparaffins ( t302 ) and molybdenum disulphide ( mos2 ), and meanwhile we have analyzed the tribochemical species of the worn surface by means of x - ray photoelectron spectroscope ( xps ), to research the lubricating mechanism of ws2
摘要採用四球摩擦實驗機對二硫化鎢超細粉末在發動機油中的摩擦學性能進行了研究,並與添加劑氯化石蠟和二硫化鉬進行了比較,同時用x射線光電子能譜儀對磨痕表面元素進行分析,以探討二硫化鎢的潤滑機理。Powdered metals alloying of metals involves melting the main ingredients together so that on cooling, the metal alloy is generally a nonporous solid
粉末合金金屬是通過熔化主要金屬元素並結合在一起,然後使之冷卻而形成的。The power prepared was examined by many kinds of analytic measures, like as xrd, xps, tem, sem and x rays fluorescence, etc. the sol - gel method was used to synthesize dy - doped titanium oxide, the impact of elements such as solvent ' s quantities, temperature, ph value, calcination temperature on the course of sol - gel is studied, and the quantities of mixed rare earth is also studied on the influence about the structure of phase, thus established the best technology parameter
本文對摻雜稀土元素鏑的氧化鈦和氧化鋯超微陶瓷粉末的制備的工藝過程進行了研究,並用xps 、 xrd 、 tem 、 sem和x射線熒光等多種測試手段對制得的粉末進行了分析。用溶膠-凝膠法合成氧化鏑/氧化鈦的陶瓷粉末,研究了溶劑量,溫度, ph值,煅燒溫度等對溶膠-凝膠過程的影響,以及摻雜稀土量對相結構的影響,從而確立了最佳的工藝參數。Because the main raw material tic reduced the reaction - liberated heat, the evaporation of al / si, which was considered to be responsible for tic impurity in product, was decreased
以tic代替元素粉末為原料,可以減小元素粉末反應時的大量放熱,減小產物al si的揮發,從而減少產物中tic的含量。Sl205 mechanical semi - automatic sample presser is a type of sample compressing machine designed for making powder into sample test plate for substance and element analysis with x fluorescence spectrum analyzer in the field of metallurgy, non - ferrous metal, chemical industry, commodities inspection, geological mining, building material, etc
Sl205型機械式半自動壓片機是為冶金、有色金屬、化工、商檢、地礦、建材等領域進行物質元素分析將粉末壓成試片,給x熒光光譜分析儀提供試樣的機器。Sl252 manual hydraulic sample compressing machine is a type of sample compressing machine designed for making powder into sample test plate for substance and element analysis with x fluorescence spectrum analyzer in the field of metallurgy, non - ferrous metal, chemical industry, commodities inspection, geological mining, building material, etc
Sl252型手動液壓式壓樣機是為冶金、有色金屬、化工、商檢、地礦、建材等領域進行物質元素分析將粉末壓成試片,給x熒光光譜分析儀提供試樣的機器。Compound powders of tib2 and mgo were prepared by ball milling with tio2, b2o3 and mgo as raw powders. the changes of temperature and heat effect of reaction during ball milling were studied, and reactive thermodynamics was analyzed. components, granularity and microstructure of the resultants were examined, and the crystal lattice constants of the resultants was computed and analyzed
研究了tib _ 2制備過程中的溫度變化和熱效應,並對反應的熱力學進行了分析;檢測了生成產物的成分、粉末粒度和組織形貌;對球磨后產物的晶格常數等進行了分析計算;對反應原料tio _ 2粉、 b _ 2o _ 3粉和mg粉組成的三元系進行了dta分析;研究了tib _ 2球磨製備過程中的動力學影響因素;對球磨反應的機理進行了探討。In this dissertation, the magnets were prepared by powder metallurgy. powders of ag were added during ball milling, and powders of al and ti were added separately and jointly during ball milling, while al and ti were jointly added during melting. the samples were sintered for 0. 5h at 1090
本文採用粉末冶金方法制備燒結磁體,在制粉階段添加ag元素,並單獨和復合添加ti 、 al元素,在熔煉階段復合添加ti 、 al元素,坯體在1090燒結0 . 5h 。分享友人