細粒粉末 的英文怎麼說
中文拼音 [xìlìfěnmò]
細粒粉末
英文
fine grained powder- 細 : 形容詞1 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
- 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)
- 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...
- 粉末 : powder; flour; stive; smalls
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Characters and features : red powders, fine particle, in good dispersancy, good impenetrability to ultraviolet ray, stable in atmosphere and sunlight, good light resistance, good thermal endurance, good alkali resistance, dissolved only in hot strong acid
性狀特點:為紅色粉末,粉粒細膩,分散性良好,對紫外線有良好的不穿透性,在大氣和日光中較穩定其耐光、耐熱和耐堿性良好,僅溶於熱的強酸中。Surface roughness of coatings affects the bioacitivity of materials, in order to change the roughness of coatings, the granularity of coating powders was changed firstly. nanometeral anatase titanium dioxide powders were prepared by hydrolysis of titanium - tetrabutoxide with ethanol in this paper. the main particle size is between 5nm and 10nm, while the size of ordinary titanium dioxide powders is about 100nm
為了改變塗層表面的粗糙度,實驗中從改變塗層粉末的粒度入手,以鈦酸丁酯為原料,通過醇鹽水解法制備了納米級銳鈦礦型tio _ 2超細粉,粒徑約為5 10nm ,而普通二氧化鈦粉體的粒徑多在100nm左右。Chemical analysis methods and determination of physical performance of alumina determination of the fine particle size distribution less than 60 m - method using electroformed sieves
氧化鋁化學分析方法和物理性能測定方法小於60 m的細粉末粒度分佈的測定濕篩法Due to the excellent characteristic of high purity and fine particles, our in2o3 has been widely applies in many tradition
氫氧化銦粉末純度高粒度細。廣泛應用於有色玻璃陶瓷堿錳電池代汞緩蝕Determination of particle size distributions for fine ceramic raw powders by laser diffraction method
激光衍射法對細陶瓷原料粉末的粒子尺寸分佈進行的測定Being fine, homogeneous and free of melting, the powder prepared by mechanical alloying has applied to develop scattering strengthen - material, magnetic material, high - temperature material, superconductivity material, amorphous, and non - equilibrium material, compound material etc. as a high - tech technology to prepare alloying powder, ma has become a more and more important method for preparing new materials
機械合金化法制備的粉末晶粒細小、成分均勻,且能避免熔化過程,已用於開發研製彌散強化材料、磁性材料、高溫材料、超導材料、非晶、準晶、納米晶等各種狀態的非平衡材料、復合材料、輕金屬高比強材料、儲氫材料、過飽和固溶體等。作為制備合金粉末的非平衡高新技術,越來越成為一種制備新材料的重要方法。In order to prepare bioactive functional fibers, the german company zimmer blended seaweed particles with the spinning solution during the solvent spun process for cellulose fibers, and dispersed the seaweed particles in the resultant seacell fibers
摘要為了制備具有生物活性的功能性纖維,在溶劑法生產再生纖維素纖維的過程中,把海藻粉末與紡絲溶液混合,所得到的海絲纖維中分佈了細小的海藻顆粒。At the first stage of ball milling, the granularity of powders increases with prolonging the time. but if ball milling continues, the granularity will minish. when minishing to a certain extent, the granularity of powders don " t change greatly along with prolonging the time of ball milling
在初始階段隨球磨時間的增加,粉末粒度變大,繼續球磨,粉末粒度變小,細化到一定程度后粉末粒度不再隨球磨時間的延長顯著變化。In this paper, the so preparing self - compacting concrete with low and middle strength using super fine mountain sand artifical sand and phosphorus slag is studied systemically. through the study the influence of the shape, the proportion of the dust and the grade of sand to the workability and the mechanical property of self - compacting concrete, it is found that super fine mountain sand artifical sand are not suit to prepare low and middle strength self - compacting concrete, but when they are combined and the additive and assistant band material are used, c20 - c40 high performance self - compacting concrete is prepared ; the corresponding additive is developed to solve the delamination caused by the low proportion of banding material ; the evaluating system for the workability of low and middle strength self - compacting concrete is built ; the controlling method for production, construction and curing was set up. and the result of the research is applied into several projects
通過分析特細山砂和機制砂的顆粒形態、粉末含量、顆粒級配等特性對自密實混凝土的工作性能和力學性能的影響,發現特細山砂、機制砂不宜單獨用於配製中低強度等級自密實混凝土,宜將特細山砂和機制砂進行合理復配,並選擇合適的外加劑和礦物摻合料,優化配合比設計,可生產c20 c40中低強度等級自密實高性能混凝土;研製開發出了具有高效減水、保塑、抗離析功能的外加劑,有效解決了中低強度等級自密實混凝土由於膠凝材料用量少而出現的離析、泌水問題;應用正交設計方法,對因素和水平進行合理選擇,確定了生產中低等級自密實混凝土的最優配合比;建立了中低強度等級自密實混凝土的工作性評價體系;提出了生產、施工及養護的質量控制技術方法。( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )
研究結果表明: ( 1 )超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦流錐內; ( 2 )修正後的霧化氣體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率比( gmr )的大小、霧化氣體流量和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。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。The test results have showed that the w - cu powder produced by the homogeneous precipitation process has a near spherical shape, a particle size ranging from 50 to 200nm and a uniform distribution of w and cu gradients
研究結果表明,均相沉澱法制備的w - 30wt . cu復合粉末顆粒明顯呈球狀, w 、 cu組分呈均勻、彌散分佈,透射電鏡觀測顯示其粒徑范圍在50 - 200nm之間,為超細粉體。In order to obtain the mn - zn ferrite precursor particle which has itra - fme property, the optimum technological condition was obtained through the orthogonal experiments in this paper. in the co - precipitation procession of preparation the leading factors that affect the size of the particle are ratio of the ion concentration ( a ), ph of the reaction ( b ), temperature of reaction ( c ), and aging time ( d )
本文通過拉丁正交試驗,以粒徑尺寸為考察目標,將離子濃度比( a ) ,反應ph值( b ) ,水浴溫度( c )和陳化時間( d )作為四參量,利用每一參量為變量進行試驗確定各參量值,從而確定製備超細錳鋅鐵氧體前驅體粉末的條件。Determination of particle size distribution of fine powder - method of sieve classfication with sonic wave
細粉末粒度分佈的測定聲波篩分法After heat treatments, the granularity of powders increases and ultraf ine grains decreases. cracks appear on the surface of powders. so the rigidity of powders descends
熱處理后粉末的粒度增大,微細顆粒的比例減小,表面出現裂紋,降低了粉末的硬度,同時粉末團聚作用減弱。To obtain the ultra fine atc ceramic with fine, uniform grain and high mechanical properties and solve the problem of brittle of ceramic, the technique of electroless cobalt plating under low temperature and ultrasonic was used to get a cobalt deposition on nano / micro al2o3, tic ceramic. the nano / micro al2o3 - tic - co composite powder with different cobalt content was prepared by changing the load. the composite powder was then hot - pressed into a ultra fine composite ceramic
為了得到品粒細小、均勻,力學性能優異的co - al _ 2o _ 3 - tic ( atc )復合陶瓷,解決陶瓷的脆性問題,本文在化學鍍鈷制備高性能atc復合陶瓷的基礎上,採用超聲波化學鍍方法,以提高鈷在陶瓷粉末以及al _ 2o _ 3與tic陶瓷顆粒之間的分佈均勻性,以期進一步提高atc陶瓷的力學性能。Viewing solely from their performance, mdf, dsp, rpc all enjoy a high compressive strength. their flexural strength, fracture toughness and elastic module have broken the limit of traditional cement based materials. all these materials have acquired the features of high toughness material
從材料性能審視,無宏觀缺陷水泥基材料、均布超細顆粒緻密體系、活性粉末混凝土等的抗壓強度都非常之高,其抗拉強度、斷裂韌性和彈性模量也突破了傳統水泥基材料的限度,這些材料具備了高強韌性材料的特徵。Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to
結果表明:隨著時間的延長,粉末逐漸細化至納米級,可以細化到30nm左右,但球磨時間超過25h后粉末顆粒繼續細化的速度明顯放慢,並且在球磨的過程因為晶粒細化和晶粒內部發生了嚴重的晶格畸變,納米粉體x射線衍射峰產生嚴重寬化。2. fined grains can further improve the mechanical properties, thermal shock and fatigue resistance of composites
通過起始粉末的控制細化晶粒能進一步改善復合陶瓷的力學、抗熱震和熱疲勞性能。This machine does not press big particle and solid, moist or superfine powder suitably
本機不適用沖壓大顆粒固體、潮濕或極細的粉末。分享友人