crystal-size distribution 中文意思是什麼

crystal-size distribution 解釋
晶體大小分佈
  • crystal : n 1 結晶,(結)晶體;晶粒;水晶(=rock crystal);石英。2 【無線電】晶體。3 結晶玻璃;雕玻璃;...
  • 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...
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model

    本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式,通過對冰雹雲的模擬和對譜參數的數值試驗結果,分析了冰雹雲中粒子譜形的變化,對雲和降水過程的影響,其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。
  2. The results show that it has no effect on cloud development and cloud structure, when form factors of raindrop, ice crystal, graupel size distribution ( r, i, g ) vary respectively, r variation has a bigger effect on rainfall amount and hail fallout amount, a, variation has a smaller effect on rainfall amount and hail fallout amount

    並利用這些研究結果,對雲模式的使用和改進提出建議。對1988年5月3日發生在南京的冰雹雲個例分別進行了雨滴譜影響的數值試驗、冰晶譜影響的數值試驗、霰譜影響的數值試驗以及雨滴、冰晶、霰譜影響的數值試驗。
  3. 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。
  4. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0
  5. Nanotubes have a narrow size distribution which dismeter is about 30nm with several analysis methods such as hrtem, eels, xrd, saed and so on the nanotubes " structure was characterized which can be regards as k ^ nbeon structure. according to the saed pattern, the axis of nanotubes can be determined which is along the crystal direction [ 100 ]

    鈮酸鉀是一種的具有光催化功能的材料,光催化的效果與催化劑的比表面積有很大關系,納米管的一個顯著特點就是與粒狀結構的材料相比,它具有大的比表面積,從理論上講它應該比鈮酸鉀顆粒具有更好的催化效果。
  6. The result showed that the interpenetration network structure between polymeric and deposited metal has been observed under a scanning electronic microscope and optical microscope. the experiments showed that copper deposition gradient distribution and crystal structure were greatly influenced by the the ph value of electrochemical reduction medium solution and the size, number and distributing of microporous in swelling cathode film

    用掃描電鏡和體式顯微鏡對制備的pmgcf進行了分析,結果表明:制備的pmgcf樣品的金屬沉積層梯度分佈均勻,在一定的電化學條件下金屬銅和聚合物基體形成了互穿的立體網狀結構。
  7. On the other hand, when using p ( an - mma - as ) as polymer matrix, the gradient distribution of copper in pmgcf is raisonne, the crystal is smaller and compacter than the former, the flexibility of pmgcf increase as the concentration of mma in copolymer increase, the size of copper crystal increase as as the concentration of ita in copolymer increase

    P ( an - mma - as )為基體時金屬梯度分佈較合理,金屬晶體細小而且緻密,而且所制的pmgcf柔韌性較好,隨mma含量的增多而柔韌性增大,隨其中的as的含量的增大,所得的金屬晶體尺寸變化與p ( an ita )相似,但變化的趨勢較緩慢。
  8. 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。
  9. Based on the rate - equation theory of four - level system, the expressions of threshold pump power, output power and slope efficiency are given. the influence of space distribution of pump light ( the position of focusing point, dimension of pumping light and divergence angle ) to the output characteristics are also discussed. then, by investigating the effects of thermal effect of laser crystal on the size of laser cavity mode, we obtain the mode - matching principle of high power laser diode end - pumped solid - state lasers

    其中,在泵浦光的空間分佈變量中我們分別考慮了泵浦光聚焦后的腰斑大小、聚焦腰斑在增益介質中的位置以及泵浦光在介質中發散角的影響;然後我們研究了在高泵浦功率下激光晶體因吸收泵浦光而產生的熱效應所導致的熱透鏡效應以及熱致衍射損耗,通過分析它們對振蕩激光腔模尺寸的影響,得到了高功率半導體激光二極體端面泵浦固體激光器模式匹配的要求,為高功率連續單頻nd : yvo _ 4激光器的優化設計提供了理論依據。
  10. Therefore, in addition to the measurement of dissolved solid concentrations obtained through online densimeter, transmittance measurements should be performed to provide online data about the second moment of csd ( crystal size distribution ). in this thesis, a light sensitive resistor served as the light / electricity conversion component was used to measure the transmittance

    為解決動力學研究中所涉及的固相信息實時測定問題,根據模型需在線檢測結晶過程中溶液透光率,本文以光敏電阻作為光電檢測元件,構建了一雙光路檢測系統,有效地提高了測定系統的穩定性。
  11. In this research, nanosize tio2 were prepared by wet chemistry method. the effects of technical condition, ion doping and noble metal modification on crystal structure of ti02, crystal size and its distribution, spectrum and photocatalytic activity were studied in order to prepare nanosize tio2 of high photocatalytic activity. effect factors such as temperature in photocatalytic process were also studied

    本工作選用濕化學方法制備納米tio _ 2光催化劑,研究制備工藝條件、離子摻雜和貴金屬沉積等對納米tio _ 2晶體類型、粒徑大小及分佈,光譜性質和光催活性的影響規律,以期研製出具有高光催化活性的納米tio _ 2光催化劑;同時研究光催化過程中光催化環境溫度等因素對光催化活性的影響規律。
  12. Results show that zro2 - ni cermet has clear crystalline interface and uniform distribution. its crystal size is 0. 3 p m. through analyzing the data of specific heat of zro2 - ni cermet, it reveals that adulterating cobalt can enhance the wetting quality of ni and zro2

    用xrd 、 sem研究了zro _ 2 - ni - co金屬陶瓷的相結構和形貌,確定了合適的燒結溫度,結果表明,材料的晶粒大小和分佈十分均勻,晶界清晰,粒度在0 . 3 m左右。
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