過度碎磨 的英文怎麼說
中文拼音 [guòdùsuìmó]
過度碎磨
英文
overgrinding-
This machine can triturate wet or all kinds hard grade of ore and ofther material, especially can make many sizes sands
適用於濕法細碎,粗磨各種硬度的礦石及其他物料,特別適用於人工造沙過程中調節細度模數。The crystalline structure changes of pp induced by pan - milling were characterized by x - ray diffraction and raman spectroscopy. xrd analyses show that when pp was co - milled with uhmwpe, crystal transformation of pp occurred, its crystallinity and crystallite size decreased, whereas, only slight reduction of crystallinity and crystallite size were observed and no crystal transformation was found when pp was co - milled with wtr chips, and amorphization of pp was strongly enhanced by co - milling pp with iron
採用x -射線衍射研究了聚丙烯碾磨粉碎過程微觀結構變化, uhmwpe存在下pp發生晶型轉變、結晶度降低和晶粒尺寸減小;彈性材料wtr抑制pp塑性變形,碾磨導致分子堆積有序區域膨脹,晶面間距增大,結晶度下降;剛性材料金屬鐵與pp產生強烈摩擦,加快晶粒細化,晶格破裂導致非晶化。This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable
傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成硬團聚體,產物粒徑較大,一般為m級,需進行球磨粉碎以減少其粒徑,很難制得均相、均一粒度分佈的氧化物粉體,在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。Firstly, the mechanism of the preparation of superfine quartz powder with ball mill is studied in this article, based on nature of quartz material, griffith ' s strength theory and the crush theory of planetary ball mill. the problem of granulation during the process of the preparation of superfine quartz powder is studied minutely. and proposed increasing dispersant and disperser medium to restrain granulation, and dispersing use ultrasonic after milled
首先,本文結合石英材料的基本物性,以格里菲斯強度理論和行星式球磨機的粉碎原理為基礎,研究了球磨法制備超細石英粉體的機理,同時對粉石英制備過程中的團聚問題及其控製作了細致的研究,提出粉磨過程中增加分散劑和分散介質來抑制團聚,粉磨后採用超聲法進行分散,並確定了最佳分散劑、分散介質的用量和最佳超聲分散時間。Standard test method for effectiveness of pozzolans or ground blast - furnace slag in preventing excessive expansion of concrete due to the alkali - silica reaction
在防止因堿硅石集料反應引起混凝土過度膨脹中火山灰或磨碎高爐渣效能的標準試驗方法A worm grading device is installed in the machine, which will release the satisfied particle from the grinding chamber to avoid over - gringing. in this way we not only makes super fine powder, but also we make the particles uniform and even. this machine can carry out dry - grinding and grading operation for all kinds of organic substance and mineral substance, so the powder made by this machine is widely used in the chemicals, metallurgy, mine, energy, electronics, medincine, pesticide, plastic, paper - making, pigment, painting, dyestuff, grinding - stuff, food and cosmetics industries
該機內裝高效蝸輪分級機,能使被粉碎后的合格細粉及時分離,迅速排出機外,避免「過粉碎」 ,不僅能制取超微粉,而且還有產品粒度分佈窄、均齊性高、顆粒形狀便干控制、產品分散性好、可廣泛應用於化工、冶金、礦業、能源、電子、醫藥、農藥、塑料、造紙、顏料、塗料、染料、磨料、食品、化妝品等行業,能對各種有機物和無機物進行乾式粉碎和分級作業。During the initial pan - milling period ( 1 - 5 milling cycles ), a sudden particle size reduction was observed, which can be described by " avalanche " pulverizing mechanism, i. e., large amount of energy caused by pan - milling press force accumulated in deformable polymers to a critical point and then the deformed polymer flakes suddenly collapsed to small particles by shear force
結果表明,在碾磨初期( 1 5碾磨循環) ,聚合物粒子的粒度有一個驟降過程,是磨盤強大擠壓力場作用於塑性材料引起的能量積累達到其破壞極限后引起的突然破碎,可用均一粉碎機理描述。The position of the trajectory depends on the ratio of bead - to - fluid density, the ratio of bead - to - disc radius and the reynolds number which describes the operating conditions of the stirred media mill. by means of the beads motion in the calculation domain, the influence of different comminution operation parameters on comminution results is discussed. those parameters mainly include the beads size, beads density, stirrer angular speed and liquid density and viscosity etc. those parameters are optimized so that the comminution results are improved
通過研究研磨介質在計算域內的運動來探索不同的粉磨技術參數對粉碎效果的影響,這些粉磨技術參數主要包括磨介尺寸、磨介密度、攪拌盤速度、液流密度及粘度等;通過優化這些參數來達到提高攪拌盤式攪拌磨粉磨效果的目的。In this paper, the microstructure changes of polypropylene induced by a complex combination of shearing, compression, stretching and friction actions during single pan - milling or co - milling with iron, uhmwpe and waste tire rubber chips ( wtr ) were studied and the stress induced effects were revealed. the structure and morphological development of iron particulates and wtr during pan - milling and co - milling with polypropylene were also characterized. the properties of pp / fe, pp / wtr and pp / wtr / fe composites prepared through pan - milling techniques were investigated
本文利用磨盤型力化學反應器對被碾磨材料施加強大的剪切、環向應力、擠壓、拉伸和摩擦作用,研究聚丙烯碾磨和共碾磨粉碎過程微觀形態結構和性能的變化,以及聚合物在碾磨過程中呈現的力化學現象,並將其應用拓展至金屬、橡膠等體系,研究碾磨粉碎在聚丙烯鐵超微粉體的制備、高交聯密度彈性材料廢舊輪胎橡膠( wtr )的超微粉碎,以及pp fe , pp wtr材料的性能與碾磨作用的關系。It was concluded that the crystallinity can be improved by modification on the base of the crystallization bahavior of pvc. the high crystallinity pvc was crashed in the jet - mil and the size of crystal reduced. then the nanocrystalline pvc was prepared
研究了pvc的結晶行為,並提出通過改性處理提高pvc的結晶度,將高結晶度pvc在高速氣流磨中粉碎,減小pvc的結晶尺寸,制取納米晶pvc ,對納米晶pvc的性能進行研究,同時對此進行理論探討。分享友人