dispersion size 中文意思是什麼

dispersion size 解釋
彌散度
  • dispersion : n 1 分散，散開；散布，傳播；離散。2 【物理學】彌散，色散；【化學】分散作用；被分散物；分散相，分...
  • size : n 1 大小，尺寸規模身材。2 （鞋帽等的）尺碼，號；（紙張的）開。3 巨大，大量；相當大的分量。4 〈口...
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同粒度、不同beo含量的鈹粉，從而開展了beo含量單獨對鈹材_ （ mys ）影響的研究，得出一些新的結果：與beo含量相比， beo在鈹中的分佈狀態對_ （ mys ）的影響更大。沿晶界、晶內彌散分佈的較細小beo對基體鈹有彌散強化作用，使_ （ mys ）即較高；如果beo較粗大地成簇狀聚集在晶界，反而對_ （ mys ）有不良的影響。
  2. In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst

    為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。
  3. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定，而格局分佈有可能受樣方大小的影響，且分析過程中沒有涉及聚塊間密度差的問題，因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程度.本研究採用無樣方距離法，測定不同生境的格氏栲種群空間格局，分析格氏栲種群格局的強度和紋理.強度以聚塊和間隙的密度差來定義，紋理則是體現聚塊內個體間的離散程度與諸聚塊間的分離程度.測定結果表明，格氏栲種群格局強度從高到低排列次序為：木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷；格局紋理從粗到細的順序是：木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此，格氏栲空間格局類型及分佈與格氏栲生物學特性及生境的關系密切
  4. ( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone

    （ 4 ）採用掃描電鏡（ sem ）觀察缺口沖擊的斷裂形貌，通過透射電鏡（ tem ）觀察納米粒子和復合納米粒子的分散情況和粒徑的大小；通過超薄切片法研究復合粒子在聚合物基體中的分散性。
  5. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果表明：母液循環可以提高堿式氯化鎂晶須的產率；添加晶種可明顯的改善晶形；合適的添加劑可以降低晶體生長速度並可提高晶須的粒徑分佈；而同時加入不同用量的晶種和pb ~ （ 2 + ） ，試驗結果表明晶種含量在0 . 075 ， pb ~ （ 2 + ）在20 50ppm時，晶須的產率高，晶形好；表面活性劑對產品的分散性能有所改進。
  6. In the paper, the influence of synthetic parameters on particle size, dispersion, the thickness of decorated layer and anti - oxidation of a - fe nanoparticles. and the process conditions of the synthesis and surficial decoration of a - fe nanoparticles are determined

    文中研究了合成反應參數對- fe納米粒子的粒度、分散性、表面包覆層的厚度以及抗氧化性的影響，確定了合成與表面修飾- fe納米粒子的工藝條件。
  7. Ajs20, the precursor contained 20wt % alunina sol seeding, was calcined at around 1000 to get free - aggregation nano - sized a - alaos powders with a median particle size of 70nm. and, calcining ajs2, the precursor contained 2wt % alumina sol seeding, at hoo ' c, we get a - alaos nano - sized powders with a particle size of loonm and good dispersion by tem. this paper also gives the proper mechanisms of these factors " influences on the transformation to alpha phase

    研究結果顯示，含有20wt膠體籽晶的前驅體ajs20在1000左右煅燒就可獲得平均粒徑為70nm 、無團聚的納米- al _ 2o _ 3粉體；而含有2wt膠體籽晶的前驅體ajs2在1100即可獲得粒徑在100nm左右、幾乎單顆粒分散、有少量「樹枝狀」微結構的納米- al _ 2o _ 3粉體。
  8. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  9. Thirdly, the process of this algorithm is described in detail, and a comparison of the dc - dispersion results among different size of window functions is made

    然後詳細講述了這種消色散演算法的具體實現步驟，並且比較了在選取不同長度的時間窗函數的情況下，消色散的處理過程和殘余色散量。
  10. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎，通過質量守恆方程和動量守恆方程的耦合，提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件，計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響，解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明，乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變，隨液滴尺寸多分散性的增大，極大堆砌分數增大；隨液滴平均尺寸的增大，多分散性對極大堆砌分數的影響減弱；當韋伯數足夠大時，液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  11. ( 6 ) reasoning of influence on first round hit probability of frag - demolition projectile by accuracy, by density, and by size of target is made, so is reasoning of influence on first round hit probability of carrier projectile by dispersion of sub - projectiles

    （ 6 ）分析論證了密集度、準確度、目標尺寸對殺爆彈首發命中概率的影響，分析了子母彈子彈密集度（散布）對子母彈首發命中概率影響。
  12. The stability of nano - alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. it is proved that when condition is dispersant pmaa = 0. 4 %, ph = 9, nano - - alumina content = 4 % ( wt % ), ultrasonic for twenty minites, excellent stable nano - alumina aqueous dispersion can be acquired. nano particle average size is 205nm

    用分光光度計和粒度分析儀表徵了納米粒子水分散液的穩定性，結果表明納米相al2o3濃度為4 % ，分散劑為陰離子聚電解質，用量0 . 4 % ， ph = 9 ，採用超聲波分散20分鐘得到最好的分散效果，納米顆粒的平均粒徑為205nm 。
  13. The results showed that the in - situ formed tibi particles which had a size of about 50nm, exhibited a homogenous dispersion in the copper matrix. moreover, the interface between the nanoscale particles and the copper matrix was clean, and there was no certain location relationship. due to their reinforcement, the tensile strength and hardness of the in - situ cu - tib _ 2 nanocomposite significantly improved

    通過光學顯微鏡、 tem 、 xrd等對cu - tib2原位復合材料進行了金相組織、微結構分析，原位復合材料的鑄態金相組織中彌散分佈著團簇狀的tib2顆粒；形變態金相組織中tib2顆粒呈纖維狀排列； tem觀察表明：在基體內存在著尺寸約為50nm 、彌散分佈的tib2顆粒，且tib2顆粒與基體之間界面清晰，但由於tib2結構與銅晶體結構的差別較大， tib2顆粒與基體之間無固定的位向關系；納米tib對銅基體有良好的增強作用。
  14. Influences on the hitting probability by error of carrier, by dispersion of sub - projectiles, by size of target, by the numbers of sub - projectiles, and by the range of fire are analyzed

    分析了母彈的射擊誤差、子彈的散布誤差、目標幅員、重迭度、子彈攜帶量及射距離對子母彈首發命中概率的影響。
  15. By compounding caco3 with pp, the effect of caco3 content, diameter and shape on the crystallization, dispersion morphology and properties of pp / caco3 composites was investigated. the results showed that addition of caco3 into pp decreased the apparent crystal size in perpendicular direction to the ( 110 ), ( 040 ) and ( 130 ) crystallographic planes of ppa crystal, and with similar uniform dispersion of caco3, the dominant factor influencing toughness is the diameter of caco3 particles, but not the decrease of pp crystal size. the toughening effectiveness of nano caco3 is obviously better than that of micron caco3

    將caco _ 3與pp進行填充復合，研究了caco _ 3含量、粒徑及形狀對體系的結晶，分散形態及性能的影響，發現碳酸鈣的加入使聚丙烯晶型垂直於（ 110 ） 、 （ 040 ）和（ 130 ）晶面的表觀晶體尺寸減小，揭示了在分散均勻的情況下，影響材料韌性的主導因素不是晶粒尺寸的減小，而是碳酸鈣的粒徑，納米張玲：彈性體及無機剛性粒子增韌增強聚丙烯復合材料的研究碳酸鈣的增韌效果明顯優于微米碳酸鈣。
  16. According to the definitions of bottleneck bandwidth, available bandwidth and bulk transfer capacity, we analyzed the algorithms which named vps ( variable packet size ), pptd ( packet pair / train dispersion ), slops ( self - loading periodic streams ) and topp ( trains of packet pairs ) ; based on the principle of sub - path bottleneck measurement, we developed the bottleneck measurement algorithm using heterogenous packet - pair train ; after designing the three child algorithms ( demarcating bandwidth range, approaching bandwidth value and predicting the trendency of available bandwidth fluctuation ), we performed the algorithm called self - loading binary search ; applying the multi - home properties of sctp ( stream controltransmission protocol ) and measurement algorithm of available bandwidth, we presented a scheme to adjust the sctp transport path when there are network congestions or faults ; by the library of winsock and winpcap, we developed a measurement program to look for bottleneck bandwidth. in ns2 experiments, the algorithm based on heterogenous packet - pair train fitted well, and the algorithm of self - loading binary search worked quickly, and the sctp scheme improved the throughput effectively

    本文根據瓶頸帶寬、可用帶寬和btc （ bulktransfercapacity ）三類網路帶寬定義，分析了vps （ variablepacketsize ）和pptd （ packetpair / traindispersion ）瓶頸帶寬測試演算法， slops （ self - loadingperiodicstreams ）和topp （ trainsofpacketpairs ）可用帶寬測試演算法;基於子路徑瓶頸測試原理，設計了異構包對序列的瓶頸測試演算法;並結合三個子演算法（界定帶寬范圍演算法、接近帶寬值演算法和帶寬變化趨勢判定演算法） ，設計了自載流折半查找的可用帶寬測試演算法;把上面的演算法應用到sctp （ streamcontroltransmissionprotocal ）的多宿性和可用帶寬測試，提出了一個網路擁塞或故障時調整sctp傳輸路徑的方案;結合winsock和winpcap兩套網路開發工具，設計了一個瓶頸帶寬測試程序;通過ns2模擬實驗，驗證了基於異構包對序列瓶頸測試演算法的準確性、自載流折半查找演算法的快速性，和sctp改進方案的有效性。
  17. The particle size of the product is about 16 nm with perfect crystal structure. the product exhibits superparamagnetism and strong magnetic responsivity, the saturation magnetization being 55. 4emu / g and the magnetic susceptibility being 8. 28 10 - 3emu / oe. the particle size distribution is homogeneous with good dispersion. 2

    產物具有完美的晶體結構，粒徑約16nm ，比飽和磁化強度為55 . 4emu g ，磁化率為8 . 28 10 ~ （ - 3 ） emu oe ，磁響應性強，具有超順磁性，剩磁和矯頑力均為零，粒徑分佈均勻，分散性良好。
  18. Our production of magnesium hydroxide modified surface treatment products, high purity, particle size uniform dispersion of good, strong affinity, are halogen - free, smoke - free, no drops, non - toxic, the safety of flame retardants, rubber, plastics, rubber, engineering, electrical appliances, wires, cable, cable sheathing, thermoplastic materials, insulators, surge arresters, synthetic textiles, fire retardant paint, ink, paper, conveyors, mine ventilation duct, electronic appliances equipment, tarpaulins, tents, military, aerospace, shipbuilding, automobiles, steel products, such as the glass industry ideal fuel filler - type resistance

    我公司研發生產的改性表面處理氫氧化鎂系列產品，純度高、粒徑均勻、分散性好、親和力強，屬于無鹵、無煙、無滴、無毒性、安全性的阻燃劑，是橡膠、塑料、橡塑、工程塑料、電器、電線、電纜料、電纜護套、熱縮材料、絕緣子、避雷器、化纖紡織、防火塗料、油墨、造紙、運輸帶、煤礦風筒、電子電器器材、蓬布、帳篷、軍事、航空航天、造船、汽車、玻璃鋼製品等各行業理想的填料型阻燃料。
  19. In addition to, the dispersion state of nano - sized a - a ^ os powder in water was characterized by analyzing the particle size distribution and calculating the average size. we also used this method to search the best dispersion agents

    此外，還利用粒度分析來表徵納米- al _ 2o _ 3粉體在水性體系中的分散情況，並找出最佳的分散工藝。
  20. Soft fibril formation of eoc in pp did not improve the tensile and flexural properties, and restrained the improvement of the impact strength. the results showed that fine, uniform dispersion of elastomer with low degree of orientation in pp was better for the improvement of toughness, and optimal toughness was obtained in blends with a certain size of elastomer region

    由彈性體相形成的軟纖不但沒有增強作用，還會抑制韌性的提高，揭示了彈性體相分散均勻細化及取向程度小有利於材料沖擊韌性的提高，一定大小的彈性體區域將會產生最大的韌性，此區域過大或過小都會降低韌性。
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