球形粉粒 的英文怎麼說

中文拼音 [qiúxíngfěnlì]
球形粉粒 英文
nodular particle
  • 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...
  • 粉 : Ⅰ名詞1 （粉末） powder 2 （用澱粉製成的粉條或粉絲） noodles or vermicelli made from bean potato o...
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 球形 : sphere; sphericity; spherical; globular; round球形安全閥 ball relief valve; 球形閥 globe valve;球...
  1. 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。
  2. 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。
  3. 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。
  4. When sno2 wt % was controlled for 10 %, the square resistance of sn - in2o3 was minimum. through the characterization of in2o3 / sno2 nano powders, some conclusions were drawn : sno2 nano powder is rutile structure, and in2o3 and sn - in2o3 nano powders are cubic structure. in2o3 / sno2 nano powders were well dispersing with spherical uniform grain, and the mean grain was 4 - 50 nm

    通過對inzo3 / snoz納米粉體表徵，得出inzo3 / snoz納米粒子多呈球形、顆粒均勻、分散性良好、組分均勻、純度較高、平均粒徑在4一50lun左右、比表面積達67一156mz / g ; snoz納米粉為正四面體金紅石結構， inzo3和sn一inzo3納米粉為體心立方結構。
  5. Most of local plate - nectarine, ornamental peach and weeping peach cultivars had simple extine pattern, which shows that they were original types

    供試材料的花粉粒形狀以橢圓形為主，且首次發現哈太雷品種的花粉粒呈為圓球形。
  6. Results showed that the pollen grain of p. mira, which is used as material by sem for the first time, was nearly elliptic in shape and the extine pattern was simply striped with no pores

    結果表明，光核桃花粉粒的形態呈橢圓球形，其外壁紋飾呈簡單的直紋平行型，無穿孔，是最原始的桃亞屬植物野生種，未發現與栽培種有直接的關系。
  7. 4 the most part of powder is spherical with a broad particle size distribution

    目前得到的粉末幾乎都為球形，但顆粒粒徑分佈范圍比較寬。
  8. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應，由於灼燒溫度高、灼燒時間長，形成硬團聚體，產物粒徑較大，一般為m級，需進行球磨粉碎以減少其粒徑，很難制得均相、均一粒度分佈的氧化物粉體，在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。
  9. Under these conditions co3o4 nano - particles with average diameter of 22nm were obtained. influences of disperants on preparing co3o4 nano - particles were studied, and tg - dta, xrd, tem and ir absorption spectra were used to characterize the samples. the results showed that shapes and sizes of co3o4 nano - particles could be controlled and modified by dispersants. the diameter was about 20nm when peg ( 40mg / ml ) was used as dispersants, while the diameter was 10nm and the length is 0. 2um for paana ( 15mg / ml )

    其中，利用peg制備的納米co _ 3o _ 4粒子分散性稍差，當peg的用量為40mg ml時，可以獲得平均粒徑為20nm左右的球形納米co _ 3o _ 4微粉；以聚丙烯酸鈉作為分散劑可更好地控制納米粒子的形狀和大小，其用量為15mg ml左右時，可得到平均粒徑為10nm 、長為0 . 2 m的球鏈狀納米co _ 3o _ 4微粉。
  10. ( 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。
  11. Hap particles were poor crystalline and transformed into the better crystal after calcinated at 650cfor 4 hours

    將粉體在650保溫4小時后，顆粒轉變成結晶相，形貌仍然呈球形。
  12. We can infer the em parameters of pure carbonyl - iron from the em parameters of ds of various content by curve - fit simulating and interpolation. maxwell - garnett ( mg ) formula and bruggeman formula is applicable for spherical particles ds

    Maxwell - garnett公式和bruggeman公式是適用球形顆粒復合體系的經典計算公式，本文將兩組公式及maxwell - garnett擴展公式運用於羰基鐵粉分散體系。
  13. The results of transmission electron microscopy ( tem ) showed that the grain of strontium titanate powder prepared was spherical and the grain sizes distribution were homogeneous

    通過tem分析可以看出，制備的鈦酸鍶粉體材料的顆粒為球形，並且顆粒大小均勻。
  14. This work emphasized the syntheses of perovskite templates ( including srtio3 and baho3 ). batio3 were prepared by molten salt synthesis ( mss ). scanning electron microscopy ( sem ) and x - ray diffraction patterns ( xrd ) revealed that there was no aggregation with batio3 powders and spherical particles of batio3 was obtained by mss

    本論文用熔鹽法合成batio _ 3 ，通過xrd物相分析和sem形貌分析，可以得到如下結論：用熔鹽法合成的batio _ 3粉體基本無團聚，顯微結構為球形顆粒。
  15. The samples were characterized contrastively by sem, tem, saed, positron annihilate and the different mechanism for two methods were preliminarily discussed. the experimental results showed that nano - cuo prepared by sol - gel method was spherical, which was agglomerated badly and can aging easily. however, nano - cuo prepared by pressure - hydrothermal method has loose and thin - piece appearance structure

    結果表明，溶膠-凝膠法制得的氧化銅粉末呈類球形，團聚嚴重，易老化；而壓力-熱液法制得的氧化銅具有疏鬆的、薄片狀的外觀結構，粒子厚度約為20nm ，分散性較好、抗老化能力強；壓力-熱液法制備的氧化銅比溶膠-凝膠法制備的氧化銅缺陷濃度小。
  16. Phase composition of nanometer tio2 is analyzed by x - ray diffraction, granule size and appearance of nanometer tio2 are analyzed by scanning electron microscope and transmission electron microscope, so we modified the conditions of experiment and obtained even and dispersive nanometer grade rutile tio2 powder that is spheric or oval - shaped

    通過x射線衍射、掃描電子顯微鏡、透射電子顯微鏡和原子吸收等檢測分析研究，改進制備工藝條件，合成了粒度較均勻、分散性較好的球形或橢球形金紅石型納米級tio _ 2粉體。
  17. Orgasol ? particles are virtually spherical, possessing a porous structure and a narrow particle size distribution. their structure and shape differs from those of ground powders

    顆粒是真正球形的，具有多孔狀的結構和狹窄的粒徑分佈。它們的結構和外形不同於那些通過研磨方法得到的粉末。
  18. The fine powders of the solder alloy are one of the key materials in the smt, the requirement as following : the particle diameter is in 5 u m ~ 74 u m, the shape is spherical and the distribution of the particle size is uniform

    表面組裝技術（ smt ）已廣泛應用於電子工業中，而焊錫合金微粉是該技術的關鍵材料之一，通常要求：粉末粒徑5 74 m ，形狀為球形，且粒徑分佈均勻。
  19. Spherical silica ( sio2 ) particles were obtained by the process of heating irregularly shaped sio2 powders under radio frequency plasma ( rf plasma ) condition

    摘要採用射頻等離子體球化顆粒形狀不規則的二氧化硅粉體，研究了加料速率、顆粒大小等因素對球化率的影響。
  20. It is a kind of globular granule primary made of high - purity silicon powder and silicasolm, provided with resistance to water, high strength, high activity and long life

    遇水不裂硅膠（硅大球）是以高純度硅粉和硅溶膠為主要原料而製成的球形顆粒，克服了硅膠遇水都會爆裂的弱點，具有耐水、高強度、高活性、所制備的催化劑壽命長的特點。
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