近球形 的英文怎麼說

中文拼音 [jìnqiúxíng]
近球形 英文
subsphaeroidal
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 球 : 名詞1 （以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體） sphere; glo...
  • 球形 : sphere; sphericity; spherical; globular; round球形安全閥 ball relief valve; 球形閥 globe valve;球...
  1. Aggregates are compact and close to spherical in shape.

    聚集體結構緊密並且形狀接近於球形。
  2. Ball lightning : a slow - moving sphere of lightning energy which attacks anything around it

    球形閃電：緩緩移動的球形閃電能量，攻擊附近的一切目標。
  3. In order to improve the roundness of the icosahedron, its surfaces are divided into smaller ones and more points are raised to the surface of the sphere

    為了令正二十面體的外形更接近球體，我們把它的面分解成更小的面，並將更多的端點升到球體表面。
  4. Illustration credit : kevin sahr, denis white in order to improve the roundness of the icosahedron, its surfaces are divided into smaller ones and more points are raised to the surface of the sphere

    為了令正二十面體的外形更接近球體，我們把它的面分解成更小的面，並將更多的端點升到球體表面。
  5. Sori borne near the costule, indusium spherical, membranous

    孢子囊群靠近中脈著生；囊群蓋球形，膜質。
  6. The tem micrographs of composite powders indicated that the size of particles after electroless plating increased from 10 ~ 20nm to 50 ~ 60nm and the originally granular form changed into spheral - like shape

    透射電鏡觀察表明，粉體顆粒鍍覆后粒徑由10 20nm增加到50 60nm ，顆粒外觀由稜角狀變成近似球形，鍍覆均勻性較好。
  7. Using the degree of depolarization, cause of depolarization was discussed, and the droplet can be viewed as a sphericity in the lighter fog

    由退偏振度隨霧濃度的變化討論了退偏產生的原因，指出霧濃度較低時，霧滴可近似視為球形。
  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. The microgels of close monodispersity with different volume and cross - linking density can be prepared by using an inverse emulsion polymerization method. both artificial and natural materials, including zeolites, membranes, vesicles, liquid crystal, microemulsion, micelles, biopolymers, etc., have been used as template. the three - dimentional network structure and spherical morphology of polymeric microgels may guarantee the homogeneous of the structure of the composite, the size and the morphology of the various organic - inorganic composites with unusual structures

    在反相乳液聚合條件下，通過控制反應條件可以得到體積不同、交聯度不同的近乎單分散的微凝膠，如同分子篩、單（多）分子膜、囊泡、液晶、微乳液、膠束、生物大分子等可作為微納米無機材料合成模板一樣，高分子微凝膠所特有的三維網路結構和球形形貌有可能對在其中進行的無機結晶或沉積反應施加限域和導向作用，從而控制所生成無機材料的形貌和大小，得到各種具有特異結構的無機-有機復合材料。
  10. The mechanism of anti - wear and friction reduction of nanometer cacoa has been discussed and individual opinions of the nanometer particles " existing way and effects have been proposed. 1 ) the shape of the nanometer cacos particle is approximate to that of sphericity. its function is similar to that of the miniature " ball bearing "

    6 、探討了納米碳酸鈣粒子的抗磨減摩機理，對于納米粒子在潤滑油中的存在方式和作用提出了個人見解： （ 1 ）納米碳酸鈣粒子近似為球形，它們起了類似微型「球軸承」的作用，從而提高了摩擦副表面的潤滑性能。
  11. Under better experiment conditions, the finally production fe has about 100nm diameter, oxygen content 2. 0 %, uniform, almost sphere. the results in this paper have shown that super fine powder of fe can be prepared by this route. this make the scientific bases for reusing of feso _ 4. 7h _ 2o and

    經檢測，在較佳前驅體制備條件和較佳還原、鈍化條件下，本工藝的最終產物- fe粒度在100nm左右，均勻，近球形，氧含量2 . 0 %左右。
  12. Fluidized granulation, the granule is around ball shape. its flow ability is good

    流態化造粒，成粒近似球形，流動性好。
  13. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明，從相對散射強度、同一方向上不同粒子散射的可區分程度來看，在散射式能見度探測儀器中，工作波長介於0 . 86 m 2 m ，探測角度選取前向25度40度時，探測的結果將會是比較理想的。第三部分中，使用超橢球方程來統一描述各種非球形粒子的形狀，然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外，在本文中還針對球形粒子的散射場提供了一種三維可視化方法，使對散射場強度的空間分佈的理解更加簡單，直觀。
  14. Standard practice for transfer standards for reflectance factor for near - infrared instruments using hemispherical geometry

    半球形幾何結構的近紅外線儀器反射系數傳送標準的標準規程
  15. The paper puts forward the clustering algorithm includes : clustering based on grid and iterative, enhanced clustering algorithm base on density and k - medoids, enhanced k - means algorithm ( optimize chooseing consult _ points in iterative process ), enhanced clustering algorithm base on distance. they can overcome many limitations ( some traditional algorithms terminate in local optimization. many results of cluster are roundness, too many times in partition iterative process ), which are related to the static architecture of traditional model

    在傳統聚類演算法的基礎上，結合我們科學數據挖掘的應用對象?分子動力學數據，提出了迭代網格聚類演算法， k -平均和基於密度結合的聚類演算法，迭代過程中優化選擇中心點的k -平均方法，以及改進型的基於距離的聚類演算法等模式識別方法，能夠解決傳統演算法帶來的諸多問題（比如一些傳統的聚類演算法常常收斂于局部最優，發現都模式都趨近於球形，劃分方法中迭代次數過多帶來的效率問題） 。
  16. It is discovered that artificial skull is marinated in simuted body fluid : the sample surface like - boneapatite belongs to carbonic acid hydroxide apatite, which can have good combination with human body orginzation

    而且試樣表面生成近似球形或片狀的類骨磷灰石，屬于與人體組織具有良好結合的碳酸羥基磷灰石。
  17. The eye is very nearly spherical in shape, and about an inch in diameter.

    眼的形狀非常接近球形，直徑約一英。
  18. Our methods of processing work pieces, which are becoming more and more varied and irregular the shape, and for making prototype balls for the development of new products, etc. using spherical machining are based on original technology we have built up over the years

    近來，形狀富於變化的加工，新產品開發過程中的滾珠等試製品中運用的球面加工技術可以說是我公司多年來的技術結晶。
  19. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗，對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化，並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數；此膠體經過過濾、 80下烘乾后所得樣品，在掃描電鏡下直接觀察其粒徑為50nm ，且分佈范圍窄，顆粒的表面清潔，為球形。
  20. The eye is very nearly spherical in shape, and about an inch in diameter

    眼的形狀非常接近球形，直徑約一英? 。
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