聚晶狀 的英文怎麼說
中文拼音 [jùjīngzhuàng]
聚晶狀
英文
glomerocrystallinic-
Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys
開創性地用預燒結? ?酸洗工藝制備了相同粒度、不同beo含量的鈹粉，從而開展了beo含量單獨對鈹材_ （ mys ）影響的研究，得出一些新的結果：與beo含量相比， beo在鈹中的分佈狀態對_ （ mys ）的影響更大。沿晶界、晶內彌散分佈的較細小beo對基體鈹有彌散強化作用，使_ （ mys ）即較高；如果beo較粗大地成簇狀聚集在晶界，反而對_ （ mys ）有不良的影響。The properties of calorifics, crystallinity, mechanism and shape memory were studied and the effect of structures on propt es were studied through the relationship between them
在材料篩選工作的基礎上，合成了具有形狀記憶功能的線型聚氨酯彈性體。研究了它的熱學性能、結晶性能、形狀記憶性能、機械性能。The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory
然後，在此基礎上合成了離子型形狀記憶聚氨酯材料，對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究，並與普通非離子型形狀記憶聚氨酯進行了比較，研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能，尤其是其透濕氣性能有了非常顯著的提高，其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍，遠遠大於線型形狀記憶聚氨酯的5 8倍。Using templates is an important method to regulate and control the morphology and size of crystal. according to the characterization of templates and the ability of their domain limitation, template methods were divided into two parts, hard - template methods and soft - template methods. soft - template methods mainly included many kinds ordered congeries that composed by amphiphathic molecules, such as liquid crystal, colloid, microemulsion, vesicle, lb films, self - assemble films, and so on, the self - assemble structure of macromolecules and biomacromolecules was also included
模板法是對晶體的形貌和尺寸進行控制的一類重要的方法，根據模板自身的特點和限域能力的不同分為硬模板和軟模板，軟模板主要包括兩親分子形成的各種有序聚合物，如液晶、膠團、微乳狀液、囊泡、 lb膜、自組裝膜等，以及高分子的自組織結構和生物大分子等。In that sort of half reverie which permits one to participate in an event and yet remain quite aloof, the little detail which was lacking began obscurely but insistently to coagulate, to assume a freakish, crystalline form, like the frost which gathers on the windowpane
這種迷迷糊糊的幻想狀態既允許一個人置身於一個事件之中又叫他保持冷漠，在這種狀態中那尚未可知的小小細節開始模糊而又執著地凝聚，形成怪異的晶體，像窗子上結的霜，那些霜樣的晶體顯得這么怪誕，這么徹底無拘無束，這么奇形怪狀，然而它們的命運卻要由最最嚴酷的自然法則操縱，而我心中產生的感情亦是一樣。Ajs20, the precursor contained 20wt % alunina sol seeding, was calcined at around 1000 to get free - aggregation nano - sized a - alaos powders with a median particle size of 70nm. and, calcining ajs2, the precursor contained 2wt % alumina sol seeding, at hoo ' c, we get a - alaos nano - sized powders with a particle size of loonm and good dispersion by tem. this paper also gives the proper mechanisms of these factors " influences on the transformation to alpha phase
研究結果顯示，含有20wt膠體籽晶的前驅體ajs20在1000左右煅燒就可獲得平均粒徑為70nm 、無團聚的納米- al _ 2o _ 3粉體；而含有2wt膠體籽晶的前驅體ajs2在1100即可獲得粒徑在100nm左右、幾乎單顆粒分散、有少量「樹枝狀」微結構的納米- al _ 2o _ 3粉體。At high humidity, large broken leaf - like islands were observed. with a decrease in humidity, the size of the islands became smaller. furthermore, microcrystalline j - aggregates were observed under dried condition
在高濕度時， j -聚集體呈大的破損葉片狀；隨著濕度的減少，破損葉片狀的面積不斷變小；而且在乾燥條件下形成微結晶j -聚集體。The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper
本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。Two isozymes ( peroxidase and - amylase ) of six tissue ( heart, liver, kidney, brain, eye and muscle ) of " allogynogenetic crucian carp ", its female parent qihe crucian carp and male parent red carp ( cyprinus carpio ) were analyzed by vertical polyacrylamide gel electrophoresis
摘要採用聚丙烯酰胺垂直平板電泳，對異育淇鯽及其母本淇鯽和父本興國紅鯉的6種組織（心臟、肝臟、腎臟、腦、晶狀體和骨骼肌）中的過氧化物酶和-澱粉酶同工酶進行比較研究。The main ore structure include massive % vein > drusy structure, etc. the second type ore penetrates last type ore in some areas
主要礦石構造為塊狀構造、脈狀構造、晶洞狀構造、聚晶鑲嵌構造等。In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d
本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。It was found that the high, ystallinity of the soft segment regions and the formation of hard segment domains are the necessary conditions for polyurethane with good shape memory behavior. secondly, shape memory polyurethane ionomer was synthesized
並從結構與性能的關系入手，深入探討了形狀記憶聚氨酯的結構對其形狀記憶性能的影響，發現軟段高度結晶和硬段聚集形成硬段微區是聚氨酯具有較好形狀記憶性能的必要條件。The result of transmission electron microscope ( tem ) showed that layers of layered silicates were exfoliated and dispersed in matrix homogeneously. according to statistical data, average thickness of layers was lonm, and the thickness of the biggest layers was less than 40nm, only a few layers were exfoliated in monolayer whose thickness was about inm
透射電子顯微鏡（ tem ）照片顯示：層狀硅酸鹽片層發生剝離，片層均勻分散在nbr基體中，統計表明片層的平均厚度約為10nm ，最大的聚集體的片層厚度達到40nm ，推斷有一小部分片層剝離成單晶層的形式，厚度為1nm 。Plastics - determination of melting behaviour melting temperature or melting range of semi - crystalline polymers by capillary tube and polarizing - microscope methods
塑料.用毛細管和偏振顯微鏡法測定半晶狀聚合物的熔化性能This is the loss or destruction of the sensory tissue of the retina
它從晶狀體聚光，收集圖像就像是相機中的膠卷。With plating time going on, the nano - polycrystal gathering grows in two dimensions, and the new nano - polycrystal layer appears simultaneously on the formerly formed nano - polycrystal surface. because the boundary and defect densities in quenched and tempered 45 steel is higher than those in annealed steel, the nano - polycrystal gatherings formed at its surface at the beginning of electro - deposition are more concentrated, and then their size is smaller. the microstructure of the ni - p alloy coating has closed relation with its phosphorus content with the increase of phosphorus content, the microstructure of coating turns from nano - crystalline to the amorphous
隨著施鍍時間的延長，納米晶聚晶體在橫向二維生長的同時，在納米晶聚晶體的表面上也進行著三維方向的新的一層聚晶體的生長；在調質態45鋼表面，由於其具有比較高的晶界和缺陷密度，因此在沉積初期，納米晶聚晶體的成核密度也較大，從而在二維方向聚晶體的尺度較小，鍍層沉積初期表現為緻密細小的鱗片狀組織。For the smoothoperation of this cycle, degradation is just as important as synthesis : the green plants produce great quantities of polymers, suchas cellulose, and innumerable other compounds like alkaloids, terpenes, and flavonoids, that green plants cannot use as sources of energyduring respiration
為了使這個循環順利運行，分解跟合成同樣重要綠色植物製造大量聚合物，像纖維素以及無數別的化合物，像生物鹼、松烯、晶狀丙酮，這些都是綠色植物行呼吸時不能利用作能源的東西。After lens extraction, the eye cannot focus objects. therefore, special corrective lens like spectacles or contact lens is required
沒有晶狀體的眼睛不能把光線聚焦，令影像模糊，所以一定要配戴特別的眼鏡或隱形眼鏡來恢復視力。分享友人