聚束狀的 的英文怎麼說
中文拼音 [jùshùzhuàngde]
聚束狀的
英文
glomeroplasmatic-
To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations, electrobath and simulation aided by computer. to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last
選用圓形平面陰極;設計恰當的聚束極形狀以控制電子束的成形，並使用解析法、電解槽法和數值方法三種方法進行設計;考慮陽孔效應對電子束傳輸的影響，修正陽孔效應，給出電子槍設計曲線;最後討論一下等離子體陰極電子槍。The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete
研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。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。Abstract : the far - field spot characteristics of laser converted by random phase plate are analyzed theoretically, including the shape, size, rotational symmetry and diffractive efficiency of the spots, as well as the distribution of subsidiary spot. by comparing the influence of phase element shape ( triangular, square and hexagonal ) on the characteristics, we found that the random phase plate with hexagonal array structure is more suitable for the beam smoothing in laser fusion
文摘:從理論上分析了激光經隨機位相板變換后在遠場的光斑特性（包括光斑的形狀、大小、旋轉對稱性、衍射效率以及旁瓣分佈） ，通過比較三種形狀位相元（等邊三角形、正方形和正六邊形）的遠場光斑特性，得知正六邊形位相元結構的隨機位相板更適合於激光聚變中的束勻化。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 。The x - ray spectra emitted from laser - produced plasmas contain plentiful information. it is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. it plays a significant role in the field of inertial confinement fusion
慣性約束核聚變（ icf ）中，激光等離子體發射的x射線譜中包含著十分豐富的信息，是研究等離子體形成、發展並進行狀態診斷的有力工具之一，具有非常重要的意義。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。Influences on host plant cell pathology by tumv infection tumv particles were scattered in cytoplasm area of diseased cells separately or in bundles. the pinwheels, scrolls and laminated aggregates, which were the cross sections of cylindrical inclusion bodies, were observed under transmission electron microscope. meanwhile, pathological changes of diseased chloroplasts " morphology and structure took place
Tumv侵染寄主的細胞病理學特徵利用透射電鏡觀察接種寄主細胞的超薄切片，分離自杭州榨菜上的tumv分離物jc - 1在青菜和芥菜的細胞質中病毒粒子分散或成束分佈；細胞質中存在不同形態的柱狀內含體，分別為風輪體、捲筒體、片層聚集體；同時，葉綠體發生了形態和結構上的改變。On behalf of pockels effect of electro - optic crystals, or kerr effect, various optical addressed spatial light modulator can be developed to the realize electrically driven spatial light modulation, so as to control such transfer conditions as converging, diverging, defecting and transferring
利用電光晶體的普克爾斯效應或克爾效應可以研製出各種光尋址空間光調制器來進行電驅動下的空間光調制，以此來控制光束的聚散、偏轉等傳播狀態。In order to deal with effect of the high damping, focusing probe with focused sound field is used in testing. the image device of ultrasonic c - scanning, which has functions of ultrasonic testing, pc - based control, data collection, data storage, data processing and image displaying together, is applied in testing for the sake of visual testing result
為了克服高阻尼影響，採用了具有聲束聚焦性能的聚焦換能器對不同形狀的該種復合材料工件進行檢測；為了得到直觀的檢測結果，運用了將超聲檢測與微機控制和微機進行數據採集、存貯、處理、圖像顯示集合在一起的超聲c掃描成像技術，並得到了工件內部缺陷的橫截面圖。It is the result of self - assembly of molecules and embodiment of dissipative structure under the imbalance state. for chondroitin sulfate ( cs ), the self - assembly behavior of cs in the presence of ca2 + is studied by afm. the result shows that cs can be formed integrated self - assembly films when its concentration exceeds 1. 0mg / ml
實驗結果表明通過稀溶液澆鑄法可以制備具液晶性的薄膜，這種液晶結構是殼聚糖膠束顆粒在分子間的相互作用下形成的自組裝構型，是一種非平衡狀態下的耗散結構。The results showed that the excitons were completely recombined after 900 fsec and the geometry structure of the polymer such as the bow and the ring - torsion angles returned to the ground states, which were the dimerization states
結果表明，大約在900fsec之後激子復合過程結束，電子結構返回到二聚化狀態，體系的鍵序波、芳環扭角等回到基態的二聚化狀態。Abstract : the order reduction problem of the system state feedback and output feedback controllers is discussed according to the inclusion princip l e of linear discretetime stochastic systems. two kinds of conditions, restrictio n and aggregation, are presented for the controller order reduction. by designing the order reduced feedback controller for a 9order system, the properties of th e reduced order controllers and all order controllers are discussed
文摘:根據線性離散隨機系統的包含原理1 ，研究了系統的狀態反饋和輸出反饋控制器的降階問題.給出了控制器降階兩種類型：聚集和約束.通過一個9階系統控制器的設計，討論降階控制器和全階控制器的性能Ca2 + ions from the reactants attended to be absorbed in the diffusion dilayer by the so3 - anion. calcium ions could compress the diffusion dilayer and reduce the aggregation number of aot molecular because of the higher charge density. the absorbance of ca2 + ions change of phase diagram of system and water core diameter
反應試劑溶液中的ca ~ （ 2 + ）離子傾向于被吸附在aot極性頭基的- so _ 3 ~ -陰離子附近，壓縮了極性頭基水解產生的擴散雙電層，使得aot分子的聚集體變小，也使得處于束縛狀態的水分子數量減少。By object - oriented technic, the main matter, constructing, expression, class frame of field common data model ( fcdm ) and constructing technics liking entity definition, attributes, constraint rules. the object state transform rule and object based on conceptual cluster - role mechanism ( ccrm ) are importantly proposed
作者用面向對象技術給出了領域公共數據模型fcdm （ fieldscommondatamodel ）的主要內容、建立與表達、類結構組織和實體定義、屬性、約束規則等構築技術，並重點介紹了對象狀態轉換規則和對象聚類機制及其特點。According to geometrical focusing theory, the gamma knife can focus in spirals 30 beams of co - 60 gamma rays through a collimator to form a high - quality high - dose radiation field. the size of radiation filed can be varied and shaped according to tumor size for 3d radiotherapy. therefore, it can effectively increase radiation dose to tumor tissues and decease radiation dose to normal tissues
根據幾何聚焦原理，將30束鈷60伽瑪射線通過準直后經一個固定的軸線旋轉聚焦，形成品質優良的高劑量區分佈，經治療計劃系統的優化，可使高劑量區的劑量分佈，在三維方向上和腫瘤的形狀一致，從而實現三維適形放射治療。They were applied in inertial confinement fusion program ( icf ), and experiments of the x - ray et al
它們在慣性約束核聚變物理（ icf ） ，高壓狀態方程研究， x光激光實驗研究等方面均有大量的應用。The equation of state ( eos ) is of great importance in inertial confinement fusion ( icf ), planetary physics, plasma physics, atomic bomb simulation, and material sciences
狀態方程是慣性約束核聚變（ icf ） 、天體物理、地球物理、等離子體物理、武器物理、材料科學等領域的重要研究內容。The performance of devices is directly decided by the impurity distribution in the diffused region, and the impurity distribution may be affected by the material thermal properties, the mechanism of diffusion, the power of laser and the diffusion time
激光誘導擴散過程中，基片的熱物理特性、擴散源的擴散機理、激光束的功率大小和擴散時間以及光束的聚焦狀況等等，都會對擴散結果產生重要的影響，而擴散層的雜質分佈情況將直接決定器件的性能指標。分享友人