球化顆粒 的英文怎麼說

中文拼音 [qiúhuà]
球化顆粒 英文
spheroidized particle
  • : 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...
  • : 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)
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  1. But in the forepassed research, the people all abstracted the colloid in the water as the sphericity and explained it by the known theory of the colloid chemistry. moreover some people modified the result by the grain coefficient in the derivation of theory. but this assume had more difference on the observed phenomena in the experiment, so it was not perfect in theoretical speaking

    關于絮凝的理論基礎在國外研究得比較多,但在過去的研究中,人們大都是將水中的膠體抽象為形,用已有的膠體學理論去加以解釋,並在理論推導中引入系數加以修正,這與實際實驗所觀察到的現象有較大的差別,從理論上說,是很不完善的。
  2. 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狀等軸晶;隨溫度升高和保溫時間延長,等軸晶發生局部熔,液固界面的曲率過熱使晶外形向狀轉變。
  3. 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,材料的徑變細,團聚成狀的狀特徵更顯著,在低倍率下具有較好的電學性能。
  4. Simultaneously inducing synthesis of mercury selenide microsphere and nanoparticle through bi - template route

    雙模板法同步誘導合成硒汞微和納米
  5. During the heating process the fibers of rare earth oxide break and become the spheral particles progressively

    在熱處理過程中,纖維狀稀土氧斷裂,並逐步聚集成短棒狀或狀。
  6. 1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2

    將上述制備得到的納米二硫和普通二硫鉬粉末( 1 . 5 m )以不同濃度分散在n46機械油中,在mq - 800四摩擦磨損試驗機上考察它們的最大無卡咬負荷( p _ b值) 、耐磨性能和摩擦系數;並在mm - 200摩擦磨損試驗機上,通過環?塊摩擦副,比較和分析了它們的摩擦學特性。
  7. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體,需要嚴格控制配方中各種原材料的含量,優配方;由於粉體活性受預燒條件的影響,所以對不同要求的鐵氧體選擇的預燒條件就不一樣,適當降低預燒溫度有利於獲得較高的起始磁導率,而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體徑的不同需求,可以選擇不同的磨時間;而有效的添加劑是改善材料性能的必要條件,本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝,適宜的燒結工藝可以獲得理想微結構和組成,從而得到高性能的鐵氧體材料;而從材料的微結構上來看,要提高材料的截止頻率,就要適當地細、增加晶內部的氣孔。
  8. When the two reactants were simply mixed by crush, they reacted violently and produced carbon spheres with a diameter of 50 - l00nm and sodium chloride ( nacl ) was encapsulated within the outer amorphous carbon shells, which could be confirmed by sem and tem. by annealing at 1400 ? to drive the encapsulated nacl away, hollow carbon spheres were left with a novel mesoporous structure, as presented in hrtem

    實驗中將兩種反應物通過直接擠壓混合后加熱反應,得到的無定型狀碳材料經tem照片證實直徑為50 - 100納米,而且中間包裹氯鈉( nacl ); xrd等結果顯示,高溫退火併徹底清除nacl后形成的中空碳已經部分石墨
  9. Renin, a proteolytic enzyme formed in the granules of the juxtaglomerular apparatus cells, catalyzes conversion of the protein angiotensinogen to angiotensin i, a decapeptide

    腎素是腎小旁體細胞內形成的一種蛋白水解酶,催蛋白血管緊張素原轉換為血管緊張素,即十肽。
  10. The research on the properties of the copper nanoparticles / paraffin thermosensitive composite materials reveals : the thermal sensitivity and the thermal expansion are " aried by the cempress moulding in heat condition with the change in density ; the thermal sensitivity is varied by the mechanical milling with the change in particle shape and particle dimension ; the mass ration of copper and paraffin in the composite materials also affects the thermal sensitivity, the thermal expansion and the thermal stability with the change in copper nanoparticles and paraffin interface

    對復合進行壓力成型后制備的復合材料進行性能測試分析表明:熱壓成型工藝通過改變復合材料的緻密度來影響材料的熱敏性和熱膨脹性。高能磨工藝主要通過改變磨時間使銅形狀和徑發生變來影響復合材料的熱敏性,以及改變銅粉和石蠟的質量比使納米銅和石蠟的復合界面發生變來影響材料的熱敏性、熱膨脹性和熱穩定性。
  11. The friction produced when the meteors and the meteor particles rub against the atmospheric air incinerates the swarms, and they fall towards the earth in a brilliant display of light

    流星及流星與大氣層摩擦產生的熾熱將流星團熔,它們紛紛向地墜落,呈現出光芒四射、五彩繽紛的奇觀。
  12. The fracture and spheroidization of cementite shows obvious anisotropy. there are two possible mechanism about spheroidization of cementite : the fracture cementite lamellae grows up non - uniformly and the fine spherical cementite particles grows up as the core

    滲碳體的破碎和表現出明顯的各向異性。滲碳體的可能以兩種機制進行:破碎滲碳體片的非均勻長大和細小狀滲碳體的形核長大。
  13. External firm is rornd, the surface is shine. it is atomized and shaped with stainless steel water. extensively applied in raising and cleaning up of the surface of nonferrous alloy and stainless products. after treatment, the surface of workpiece is glabrous, rustless and owns metallic luster

    由不銹鋼水霧成形的圓,表明光亮,用於有色金屬及不銹鋼製品的表面清理,強及起毛處理,處理后的工件表面光潔、無繡、凸現出金屬光澤。
  14. When a cluster of particles is immersed in a uniform electric field, the particles are coupled together due to the mutual interaction among them. this interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size. in this work, we attempt to estimate the dipole moment of finite cubic arrays of particles, in terms of that of particle chains which has been known. we assume that a chain may be replaced by a single equivalent sphere with the same dipole moment. with replacing the chain by equivalent sphere, a cluster is simplified to a planar array, and this planar array is simplified to a chain, then the dipole moment is obtained. numerical calculations are performed. it is found that our results are acceptable

    置於均勻電場中的一簇,由於其內部的相互作用而耦合在一起.這致使簇的感應偶極矩與簇的幾何結構,大小以及的介電常數等參量有關.試圖通過已知的鏈的偶極矩確定任意大小長方結構的簇的偶極矩.假定鏈可以被具有同樣偶極矩的一個等效介質代替,並將具有空間結構的簇處理成面結構簇,再將面結構簡成一個鏈,從而確定簇的偶極矩.在這一過程中,通過不斷增加等效的尺寸,將間的相互作用包含在簇的偶極矩中.數值分析了立方結構簇的偶極矩,結果是可接受的
  15. In this paper, we have done research on the effective permittivity of ellipsoid inclusions and spherical core - shell type inclusions, using the method of micromechanics theory ; sequentially optimized design of absorbing coating

    本文利用微觀力學理論方法,對橢夾雜復合材料和形核殼型夾雜復合材料的等效介電常數的預測進行了研究,並對吸波塗層進行了優設計。
  16. Abstract : when a cluster of particles is immersed in a uniform electric field, the particles are coupled together due to the mutual interaction among them. this interaction causes the dipole moment of the cluster to be dependent upon the spatial arrangement and relative permittivity of the particles and upon the cluster size. in this work, we attempt to estimate the dipole moment of finite cubic arrays of particles, in terms of that of particle chains which has been known. we assume that a chain may be replaced by a single equivalent sphere with the same dipole moment. with replacing the chain by equivalent sphere, a cluster is simplified to a planar array, and this planar array is simplified to a chain, then the dipole moment is obtained. numerical calculations are performed. it is found that our results are acceptable

    文摘:置於均勻電場中的一簇,由於其內部的相互作用而耦合在一起.這致使簇的感應偶極矩與簇的幾何結構,大小以及的介電常數等參量有關.試圖通過已知的鏈的偶極矩確定任意大小長方結構的簇的偶極矩.假定鏈可以被具有同樣偶極矩的一個等效介質代替,並將具有空間結構的簇處理成面結構簇,再將面結構簡成一個鏈,從而確定簇的偶極矩.在這一過程中,通過不斷增加等效的尺寸,將間的相互作用包含在簇的偶極矩中.數值分析了立方結構簇的偶極矩,結果是可接受的
  17. Base on the effective permittivity forecasting formula of spherical core - shell type inclusions, the theory frame of optimum design of absorbing coating is constructed ; the optimization of single layer and double layers is done

    基於核殼型的等效介電常數的預測公式,建立了吸波塗層優設計理論框架,並對單層和雙層吸波塗層進行了優設計。
  18. Silicon dioxide spherical particles are widely used in many fields of advanced technology, such as photonic crystals, catalyst supports, chromatographic packing materials and standard materials in measurement etc. in this article, micrometer sio2 spherical particles were synthesized by polymerization - induced colloid aggregation process

    由於二氧在光子晶體、催劑載體、色譜填料、標準計量等許多高新技術領域有著非常廣泛的應用前景。本文用聚合誘導膠體團聚法制備介孔二氧,並對其形成機理及制備條件進行了詳細研究。
  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硅粉體,研究了加料速率、大小等因素對率的影響。
  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)是以高純度硅粉和硅溶膠為主要原料而製成的,克服了硅膠遇水都會爆裂的弱點,具有耐水、高強度、高活性、所制備的催劑壽命長的特點。
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