dispersion 中文意思是什麼

dispersion 解釋
n. 名詞 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,分散體系;【醫學】(炎癥等的)消散;【統計學】離中趨勢。
3. 〈the D-〉 (猶太人的)離散異邦。

  1. Simulation of plume dispersion products of the acas

    評價系統的產品包括:
  2. Based on information of the source term and meteorological conditions, the acas models the transport and dispersion of the radioactive plume and predicts the associated exposure

    ,根據源項資料及氣象數據,模擬輻射煙羽在空氣中的擴散情況及預測市民可能受到的輻射煙羽照射。
  3. Using information of the source term ( information on the magnitude of the radiological release, including the amounts, types and ratios of the released radioactive materials ) and meteorological conditions, the acas models the transport and dispersion of the released radioactive materials and predicts the radiation dose to the public

    根據輻射源項的資料(即事故釋放源的資料,包括放射性物質的釋放總量和各種放射性物質的相對比例等數據)及氣象數據,這套系統模擬是次核事故所泄漏的放射性物質在空氣中的擴散情況,及預測市民可能受到的輻射劑量。
  4. 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。
  5. The numerical method for the inverse problem of second - dimensional advection - dispersion - reaction equations is discussed in the article

    摘要討論了一類二維對流反應擴散方程反問題的數值解法。
  6. Financial analysts are concerned about the dispersion of a firm's earnings.

    財務人員關心公司凈收入的離散性。
  7. Taking the andalusite from south africa and alumina fiber as raw materials, adding aluminum sulphate as binder, fabrication and properties of alumina fiber reinforced andalusite composite was studied through wet dispersion, mould pressing and sintering processes

    以紅柱石和氧化鋁纖維為原料,用硫酸鋁作為結合劑,經過分散、混合、半干法成型、高溫燒成工藝,對氧化鋁纖維增強紅柱石基復合材料的制備及性能進行了研究。
  8. The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies

    研究發現,與聚合型、彌散型第二相的材料(如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等)相比,顆粒型第二相的材料(如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等)在耐磨性能和磨損機理等方面均有不同,總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。
  9. Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response

    文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性
  10. Colloidal particles are bombarded by molecules of the dispersion medium.

    膠粒會受到分散介質分子的碰撞。
  11. The brilliance of diamond is due in part to its large dispersion.

    金剛石的光輝異彩,部分是由於它有強烈的色散。
  12. Given a set of raw data the six sigma black belt should be able to identify and compute two statistical measures each for central tendency, dispersion, and shape

    給出一組原始數據, 6西格瑪黑帶應能識別並計算出兩種統計測量的中心趨向、離散和形狀。
  13. An introduction to descriptive and inferential statistics, including measures of central tendency and dispersion, elementary probability, simple correlation and regression, tests of hypotheses, and nonparametric methods

    統計學為?集、整理、陳示、解釋資料,並可由樣本的統計量推論母體母數,俾能在不確定情況下,做成決策的科學方法。
  14. All of these mixtures produced a cloudy liquid dispersion.

    所有這些混合物,都產生混濁的液體分散系。
  15. 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。
  16. Rubber - assessment of carbon black and carbon black silica dispersion - rapid comparative methods

    橡膠.炭黑和炭黑硅土分散性的評估.快速比較法
  17. The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.

    光譜儀用了一塊凹面衍射光柵,第一級光譜的色散度為42埃毫米。
  18. Much data can be obtained by measuring the dispersion of cosmic radio waves passing near the sun.

    測定穿過太陽附近的宇宙射電波的色散度也可以獲得許多資料。
  19. Manufactures copper chemicals in montana, usa. products include copper powder, cuprous and cupric oxide, dispersion - strengthened copper and agricultural fungicides, as well as zinc oxide

    -生產碳酸鉀碳酸氫鉀硝酸鉀山梨酸鉀氯化銨納米氧化鈦含氟氯系列化工產品。
  20. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模型達到最優。
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