粒級分佈 的英文怎麼說
中文拼音 [lìjífēnbù]
粒級分佈
英文
distribution of grain size-
Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution
在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。Guangxi man ting fang fine chemical co., ltd. applies rich local high quality mine and advanced airflow and classification technologies to produce stone powder delivering outstanding qualities of high purity, high whiteness, and equal concentrated grains distribution
廣西滿庭芳精細化工有限公司利用當地蘊藏量豐富的高品質礦產資源,採用先進的分流分級技術所生產的石粉具有純度、白度、高顆粒均勻分佈集中的顯著特點。The world ' s reference bioaerosol sampler is a multi - stage, multi - orifice cascade impactor designed to measure the concentration and particle size distribution of aerobic bacteria and fungi
世界標準的微生物采樣器是多級,多孔瀑布式撞擊采樣器。是為測量空氣中細菌和真菌微粒大小分佈的濃度而設計。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 entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。It is discovered that the combustion condition of the second stage pc is up to the outlet temperature of the first stage pc and the content of combustible gases in first stage flue also plays positive effect on the ignition of second stage pc. the effects of parameters of two coal - air mixture, wall temperature of first ignition chamber and annular filling air on imfit are studied experimentally in this thesis. in this thesis, the numerical simulations of ignition and combustion of pc in imfit are conducted
本文通過建立數學模型,對感應加熱煤粉多級無油點火進行數值模擬,研究了一級煤粉煤粉在點火室內的著火過程和二級點燃過程、煤粉粒徑分佈對煤粉多級無油點火的影響,研究了一級點火室壁面溫度、一級煤粉氣流和二級煤粉氣流的風粉參數在煤粉多級無油點火過程中的影響規律;根據二級點燃段的流場和溫度場分佈,研究了環形夾心風推遲二級煤粉著火的機理。Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach
摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料,分析了變動回水區河段淤積和沖刷時,河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程,並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。The effect of the shape of particles, the density and velocity of feeding, grain size distribution and temperature to the efficiency and precision of classification were studied
通過實驗來分析顆粒粒度分佈、顆粒的形狀、給料速度、料漿濃度以及溫度對分級精度和分級效率的影響。According to the effect of size distribution to classification, the idea of pre - classification and two times classification was proposed, which, to great degree, reduces the effect of tail flowing and drift flowing and improves the precision of classification
針對顆粒粒度分佈對分級效果的影響提出了預分級和二次分級的思想,極大程度地減少了尾流和漂流的影響,同時提高了分級精度。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。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。After wet sieving, water stable aggregate showed the highest fraction at the size of < 0. 25mm, while micro - aggregate was distributed from 0. 25mm to 0. 01mm size. aggregate stability of soils increased with an increased clay content
土壤水穩性團聚體的粒級分佈( psd )均以0 . 25mm居多,土壤微團聚體的粒級分佈則以0 . 25 - 0 . 01mm粒級為主。Drawing the following concludes : ( 1 ) for the different metallic small particles with even number or odd number, the heat capacity is varied. the result is different from the bulk metal in essence. at the low temperature, the distribution of the discrete energy levels has important effects on the heat capacity ; at the high temperature, the distribution of the discrete energy levels has little effects because of the involving of mass electrons into the energy distribution
得到如下結論: ( 1 )金屬小粒子所含的電子數奇偶性不同,其電子熱容是不同的,這與大塊金屬有本質區別;低溫極限時電子熱容受能級分佈的影響很大;而在高溫時,有大量的電子參與能量配位,比熱遵循大塊金屬的線性規律,能級分佈的影響小時。4, the formation mechanism of the n - sic particles in the ceramic coating prepared by the nano - micrometer n - sic / al2o3 composite powder located within m - al2o3 grains is revealed : m - al2o3 would be well melted during spraying and form droplet, the n - sic particles existing on the surface of droplet, then the particle enter the droplet when it is impacted and flattened on the substrate
4 、提出了利用納米一微米n - sic al _ 2o _ 3包覆復合粉末所制的陶瓷塗層中n - sic粒子分佈於m - al _ 2o _ 3晶內的機理:在噴塗過程中微米級al _ 2o _ 3完全熔化形成液滴, n - sic粒子存於液滴表面,在液滴撞擊基材平鋪過程中n - sic粒子進入液滴內部形成。The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density
第二,從有碰撞項的qgp動力論方程出發,忽略自旋,在色漲落擾動下,利用弛豫時間近似,得到夸克和膠子分佈函數的二級修正,通過數值分析重點討論了高溫低密情況下qgp中成分粒子分佈函數的特性,並且由分佈函數得到凈重子數密度和能量密度。The results indicated that the obtained thin films at different treatment conditions existed great difference. tio2 nanometer particles distributed homogenously on the film a and its surface was uniform, compact and crack - free
而在500 ,熱處理lh所制膜上納米粒子分佈均勻,所生成的次級顆粒很小,表面粗糙度也很小。Standard test method for determining the particle size distribution of advanced ceramics by centrifugal photosedimentation
用離心光電沉澱法測定高級陶瓷粒徑分佈的標準試驗方法Advanced technical ceramics - monolithic ceramics - general and textural properties - determination of grain size and size distribution characterized by the linear intercept method
高級工程陶瓷.單片陶瓷.一般和紋理特性.粒度和粒度分佈的測定In aggregates distribution after two treatments, the size of < 0. 05mm was the highest percentage while 0. 25 - 0. 15mm size was the lowest for the initial 5 - 2mm size aggregate
初始大小為5 - 2mm的團聚體經兩種處理分散后的粒徑分佈均主要集中在0 . 05mm級, 0 . 25 - 0 . 15mm粒級最少。Advanced technical ceramics - methods of test for ceramic powders - part 5 : determination of the particle size distribution ; german version en 725 - 5 : 1996
高級陶瓷.陶瓷粉末試驗方法.第5部分;粒度分佈測定分享友人