球形度 的英文怎麼說

中文拼音 [qiúxíngdù]
球形度 英文
degree of sphericility
  • 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...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 球形 : sphere; sphericity; spherical; globular; round球形安全閥 ball relief valve; 球形閥 globe valve;球...
  1. Hourly values of global solar radiation are measured at king s park by a thermoelectric pyranometer sealed thermo - pile dome solarimeter together with an integrating counter. a bimetallic actinograph is used as a back - up

    利用一具熱電總日射表球形罩封密的溫差電堆總日射表連同累積計數器，天文臺可以量度每小時的太陽總輻射數量。
  2. Hourly values of global solar radiation are measured at king s park by a thermoelectric pyranometer ( sealed thermo - pile dome solarimeter ) together with an integrating counter. a bimetallic actinograph is used as a back - up

    利用一具熱電總日射表（球形罩封密的溫差電堆總日射表）連同累積計數器，天文臺可以量度每小時的太陽總輻射數量。
  3. Various chemical strategies have been introduced to the system to affect the dynamics of reaction, and thus, to adjust the nucleation and growth process. by using appropriate complexing agents as controlling reagents and adjusting the reaction temperature, both morphologies ( nanorods and fractals ) and structural phases ( zinc blende or wurtzite structures ) of cdse nanocrystals can be easily controlled. a precipitate slow - release controlled method was designed in the synthesis of manganese selenides

    在化學調控合成思想的指導下，運用已取得的調控合成的成功經驗，利用mnseo3沉澱緩釋放出mn2 +源和硒源，在調節反應溫度的基礎上，于同一反應體系成功地合成了mnse2和mnse的立方體和球形微米晶，實現了產物組成和維度的調控，並對它們的磁行為進行了研究。
  4. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式，氨水的加入量，反應時間、體系ph值、反應溫度、攪拌、陳化等主要工藝條件對ni （ oh ） _ 2結晶過程和物理性能影響的基礎上，確定了較優的工藝參數，制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni （ oh ） _ 2 。
  5. Leather - physical and mechanical tests - determination of distension and strength of grain - ball burst test

    皮革.物理和機械試驗.粒面強度和伸展高度的測定:球形崩裂試驗
  6. For a ball domain and a constant angular velocity, both existence theorem and non - existence theorem are also obtained by using the time - maping method, depending on the adiabatic gas constant r

    其中，在球形區域中有以下一些結果：我們通過打靶法得到了，當角速度是常數時，方程組（ 0 . 1 ）解的存在性和非存在性。而且該解依賴于絕熱常數。
  7. The microemulsion - mediated synthesis of hydroxyapatite offers the unique ability to control particles size, morphology and surface properties. aot / isooctane / water microemulsions admit to form spherical water cores, which in diameter depends linearly on the water content w ( water - surfactant molar ratio )

    Aot異辛烷水體系可以產生穩定的球形的水核，並且其水核的直徑與體系的含水量w （水與表面活性劑aot摩爾濃度之比）呈對應關系。
  8. Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry

    本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料，並對其性能進行了分析和測試，結果表明：這些合金粒徑小，比飽和磁化強度較大，矯頑力為零，呈現超順磁性，是非晶態的軟磁材料。
  9. Designing practice of large - span spherical double - level reticulated shell

    大跨度球形雙層網殼的設計實踐
  10. Portunus, trituberculatus the spermatogonium exist in two different forms, the second form comes from the first one. during spermatogenesis, chromatins condense at different level. the nucleus changes into homogeneous since middle spermatid stage, and the nucleus extends into the radial arm

    三疣梭子蟹在生精細胞階段，染色質不同程度的濃縮凝集；在精細胞階段，核質呈均質狀，形成薄壁的圓球形核杯，部分核質延伸入輻射臂內。
  11. Results protein - loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95 %

    結果微球球形度優良，粒徑分佈窄，蛋白質包封率達到95 % 。
  12. 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。
  13. After the vacuum dry and the sphere mill, the level of agglomeration is low, the particle size is very small, spherical and the nanometer stannic dioxide powder with the aspects of good scattered nature is achieved

    經真空乾燥和球磨粉碎后得到團聚程度低，粒度細小均勻，達到納米水平並具有較好分散性的球形二氧化錫粉體。
  14. 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。
  15. The instrument has two ball contact tips which have different diameters. its prominent merit is that it can find the minimum value of the thickness easily and output it directly. and also it has a splaying and closing control part for the tips to avoid destroying the surfaces of joints

    本測量裝置採用直徑不同的兩個球形觸頭直接測量撓性接頭細頸厚度，並能夠尋找細頸厚度最小值;同時該裝置含有的測頭球張合控制部分能夠避免接觸時劃傷工件。
  16. 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。
  17. A theoretical and experimental study of a new, efficient technique to couple a laser, emitting a highly elliptical beam, to a single - mode fiber without the use of bulk optical components is presented. the technique involves butt coupling the laser to a cylindrical lensed fiber and spherical lensed fiber

    本文從理論上和實驗上呈現了一個實用的耦合技術，即在沒有使用分立球形光學元件的情況下將高度橢圓化的激光光束通過透鏡光纖耦合到單模光纖中。
  18. Abstract : in order to make use of perlite resources and solve traditional expansion perlite in application, a spherical closed pore expansion perlite with the properties of high strength and low water - absorbing has been developed

    文摘:為解決珍珠巖礦產資源利用及傳統多孔膨脹珍珠巖在使用中存在的問題，研製成功一種強度高、吸水率低的球形閉孔膨脹珍珠巖。
  19. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  20. And the relationship between spheroidization efficiency and apparent density was also discussed

    在適當的條件下可以得到球化率高、球形度好的粉體。
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