球粒狀的 的英文怎麼說
中文拼音 [qiúlìzhuàngde]
球粒狀的
英文
glomero heric- 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...
- 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)
- 狀 : Ⅰ名詞1 (形狀) form; shape 2 (情況) state; condition; situation; circumstances 3 (陳述事件或...
- 的 : 4次方是 The fourth power of 2 is direction
- 粒狀 : graininess; granulose; granular粒狀冰 [水文] granular ice; 粒狀材料 bulk material; granular mater...
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It was the study of chondrites that allowed researchers to work out how old the solar system is
研究者通過研究球粒狀隕石而得出太陽系的年齡。To reach back, you need to look in the dust grains in chondrites, rather than at the chondrules
如果是追溯太陽系形成之前,你需要研究球粒狀隕石中的灰塵顆粒,而不是隕石球粒。The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
過程機制為:擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶;隨溫度升高和保溫時間延長,等軸晶發生局部熔化,液固界面的曲率過熱使晶粒外形向球狀轉變。The difference of reactive mechanisminduced the difference of their structure. v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure. after heat - treating under300, particle size becomes smaller, and aggregate to globate grain, showesbetter electrochemical performance at low charge - discharge rate
熔融淬冷法合成的樣品其無定型結構更明顯,前驅體經過300熱處理后,材料的粒徑變細,團聚成球狀的顆粒,球狀特徵更顯著,在低倍率下具有較好的電化學性能。Natural sediment particles are not spherical.
天然泥沙顆粒不是球狀的。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。Oolite lime sand packs naturally with 40% porosity because the particles are essentially spheroids.
自然堆積的灰質鮞粒砂具有40的孔隙度,因為其顆粒其本上都是球狀的。The visible surface of the sun ( the photosphere ) has a granular appearance with a typical dimension of a granule being 1000 kilometers
有形的太陽表面(光球) ,有顆粒狀的外觀與一個典型的維某顆粒被1000公里。Abstract : from a universal formula for calculating the attenuation cross section of particles in arbitrary shapes, exact expressions for calcualting the attenuation cross section of polydisperse, small spheroids, whose rotary axes are in specific status, have been derived. attenuation cross sections of both liquid and ice particles in different shapes at different wavelengths in microwave band have been computed and analyzed. the results are informative to microwave remote sensing of precipitation
文摘:從計算任意形狀粒子的衰減截面普遍公式出發,推導出了小旋轉橢球粒子群旋轉軸處于不同狀態時的衰減截面函數表達式,並計算分析各種狀態下衰減截面隨降水粒子相態、形狀和入射波波長的變化特徵,所得結果可用於降水微波遙感。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。China university of science and technology li yin - mei group, proposed to dark field microscopy observation of light scattering technology and optical tweezers capture the idea of combining the traditional optical microscope optical tweezers system from the side of a bouquet of flake coupling laser irradiation samples, laser incident in a specific location, so that samples of the particles scattered light through the microscope imaging ; overcome the well - optical tweezers and microscopic imaging of laser irradiation, as well as strictly coincidence of the three key technologies to achieve the optical tweezers capture 100 nanometer - styrene ball at the same time also in the entire field of view of microscopic observation of nano - particles, to capture optical tweezers nanoparticles can also observation purposes
中國科學技術大學李銀妹課題組,提出將暗場顯微術觀察光散射的技術與光鑷捕獲相結合的設想,在傳統光學顯微鏡光鑷系統上從側面耦合一束片狀激光照射樣品,在特定的激光入射位置,使樣品中粒子的散射光可通過顯微鏡成像;克服光鑷的阱位與顯微成像面以及激光照射面三者嚴格重合的技術關鍵,實現了光鑷捕獲100納米聚苯乙烯小球的同時也能在整個顯微視場中觀察納米粒子,達到了光鑷捕獲納米粒子的同時也能觀測的目的。Miao b., wang g., wang d., ouyang z., lu r., dai d., and lin y. ( 2005 ) petrology and mineral chemistry of two ureilites found in grove mountains. acta geologica sinica 77
戴德求,林楊挺,繆秉魁,王桂琴, ( 2006 )南極碳質球粒隕石中兩個富尖晶石球粒狀難熔包體的巖石學和礦物化學特徵研究地球化學出版中。The mechanical modifying equipment was used to prepare compounded micro - spheres from pmma particles and ps particles with metal particles and tio2 nano - particles. the sem was used to observe the images of particles and x - ray photoelectron spectroscopy ( xps ) is used to obtain surface spectrum. herein the tio2 nano - particles can be dispersed on larger polymer particles and their surface morphology is different by using different polymer particles
使用掃描電鏡和光電子能譜對制得的復合微粒子進行表徵,發現該方法可以使納米tio _ 2粒子呈很好的分散狀態復合在聚合物微球及金屬粒子上,而且隨著聚合物微球原料的不同,納米tio _ 2粒子能在高聚物的表面的復合狀態也不同。The study results display : the particle shape trends to needle more, the effective permittivity is bigger when the volume of particle is the same. the particle shape trends to penny more, the effective permittivity is bigger when the volume of particle is the same. the dimension of particle does n ' t affect the effective permittivity when the shape of particle is equal
本文的研究結果表明,對于無殼顆粒復合材料在相同的體積情況下,粒子的形狀越是趨于針形,等效介電常數越大;粒子形狀越是趨于便士形,等效介電常數越大;比較而言,便士形的等效介電常數大於針形的介電常數,而以球形的介電常數最小。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。As for the change of reaction temperature, a good appearance of microspheres will be observed. after heat treatment we obtain the mesoporous sio2 microspheres, the morphology, size and size distribution of microspheres before and after sintering were investigated by using the scanning electron microscopy ( sem ). the desorption of water and ethanol and decompostion of polymers in microspheres were analyzed by using tg - dsc machine
當r 1時將導致微球產生破裂,而r 4時則生成凝膠狀物質;其他條件不變時,微球形貌隨ph值的增大逐漸變差,最終破裂;乙醇含量增大時,微球粒徑逐漸增大;而隨著反應時間的進行,顆粒逐漸長大,微球形貌不斷完善,表面逐漸平滑;反應溫度的變化會得到更光滑的微球表面,微球粒徑隨之增大。The work mainly focused on the effect of surface treatment method of magnetic nanoparticles on the final particle size, size distribution and some magnetic properties of the composite microspheres
. .巴日目呂合法制備磁性復合微球的過程中,磁性無機粒子的凝聚狀態及表面特性對磁性復合微球的成功制備影響很大。A small, solid or densely packed ball or mass, as of food, wax, or medicine
顆粒狀物,小丸如食物、蠟或藥等固態的或被緊包成一團的小球或小丸Post - streptococcal glomerulonephritis is immunologically mediated, and the immune deposits are distributed in the capillary loops in a granular, bumpy pattern because of the focal nature of the deposition process
鏈球菌感染后腎小球腎炎是由免疫介導的。免疫沉積物呈顆粒狀分佈於腎小球基底膜和系膜區。In australia, the aborigines believe the opal has a spiritual meaning. the wangkumara people have a legend which tells how their people gained fire from opal stones, with the assistance of a muda - a creator who switches from human form to pelican
歐泊在礦物學中屬蛋白石類,是具有變彩效應的寶石蛋白石,是一種含水的非晶質的二氧化硅。內部具球粒結構,集合體多呈葡萄狀、鐘乳狀。分享友人