無定向性 的英文怎麼說
中文拼音 [wúdìngxiàngxìng]
無定向性
英文
astaticism-
Liquid cryatal also use on the public nuisance of chemical industry, the oriented polymer of macromolecular reaction, the nondestructive evaluation and microwave determination of aviational machine and metallurgic product, checking skin cancer in medicine, body temperature measurement, etc. it has showed the great superiority
另外液晶在化工的公害測定、高分子反應的定向聚合、航空機械及冶金產品的無損探傷和微波測定、醫學上的皮癌檢查、體溫測量等領域，也都顯示出其巨大的優越性。Finger clip - spo2 sensor for adults ; available weight upon 30kg ; provided plug : lemo 5pin, ; gilded point inside the connectors ; for cables : white color, innoxious tpu, high double - shielded cable, od4. 0mm, length 3. 2 m ; new special alloy conductor increases the cable using life for 3 5 times ; finger pads : medical silica - gel, no irritability
插頭: lemo5pin單定向成人指夾式， 3 . 2m . tpu雙屏蔽線材保證信號傳送更清楚。特殊合金導體增加線纜壽命3 5倍。護墊:醫用硅膠無過敏性品質承諾:非人為損壞保修一年The result of md simulation means that : ( 1 ) the microstructure in the amorphous carbon has no obvious change, the slippage which is parallel to the fiber axes in the graphite slices of the pyc interphase was found ; ( 2 ) bulk moduli of every part of interphase diminished, young ' s moduli in all three direction of amorphous carbon diminished, young ' s moduli of the graphite slices in the direction of parallel to the fiber radial decreased, and ones in the direction of parallel to the fiber axes increased
分子動力學模擬結果表明， （ 1 ）界面相內部無定形碳部分微結構無明顯變化，石墨片層部分沿纖維軸向滑移； （ 2 ）界面相模量發生變化，界面相區域各部分的體積彈性模量降低，無定形碳部分及石墨片層部分垂直於纖維軸向的楊氏模量降低，平行於纖維軸向的楊氏模量升高。Fibre - reinforced plastic composites - determination of mode i interlaminar fracture toughness, gic, for unidirectionally reinforced materials
纖維增強塑料復合材料.無方向性增強材料的模式i層間斷裂韌性， gdownidownc ，的測定This paper standards the system and demonstrates the operating rules from two aspects, which are the cost of human resource and the value of human resource. the fifth chapter designs a set of human resource accounting system to present difficulty which will take convenience to the organizations that attach importance to human resource accounting
第五章主要針對目前應用中無方向性的困難，設計了一套具有一定切實可行價值的人力資源會計制度體系方案，以便重視人力資源的組織能夠有計劃、有步驟、有重點、有選擇地在會計實務中操作。On basis of fractal theory and the principle of fractional brownian motion, this paper puts emphasis on the following parts : firstly, the determination of fractal non - scale range on calculate fractional dimension is discussed, which adopts method associated artificial cognition with track decision. secondly, primeval data are segmented into blocks to evaluate their sub - fractional dimensions. in this process, the maximal value of sub - fractional dimensions in different directions is prioritized
本文利用分形幾何理論與分形布朗運動原理，重點研究和分析了以下的幾個問題：分形維數計算時無標度區的確定，使用了人工法與軌跡法相結合的方法；對原始數據進行分塊分別計算其子分形維數，考慮了實際地形特徵的方向性，計算得到的子維數為局部的最大坡度方向上的方向維數；改進了傳統的隨機中點移位（ rmd ）內插技術，使用不同的插值比系數進行插值。Keeping stable increasing of stated - owned economy is required in the early days of china ' s evolutionary reform. there is no enough fund to meet the need, so the government set up simplistic, monopolist financial property right structure under these circumstances in order to support stated - owned economy through providing financial resources
我國漸進式的改革要求在改革初期保持體制內國有經濟的穩定增長，在財政無力向國有經濟注資的情況下，國家建立起單一壟斷性的金融產權結構，給國有經濟以金融資源的支持。At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm
為提高演算法的性能，作者對遺傳演算法進行三種改進：首先，為克服遺傳演算法早熟收斂，作者提出一種新的二元浮點補碼變異運算元；其次，模擬生物自然進化模式，為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接；最後，作者提出一種區間分解優化思想，來提高對最優解的搜索能力。It was revealed that the hexagonal order was destroyed and the phase transition from hexagonal to amorphous structure with the increment of manganese ion, and with the appropriate neutral hexadecylamine ( hda ) with cetyltrimethylammonium bromide ( ctab ) as mixed template, mn - mcm - 41 was synthesized with well uniformly pore size and hexagonal mesostructure for the additional function of n - metal covalent bond, and the ordered structure was mediated by the influence on the packing parameter
表明隨著mn ~ （ 2 + ）引入量的增加，導致介孔長程有序結構的破壞，最終引起由六方相向無定型相的轉變。適量中性表面活性劑十六胺的引入以形成混合模板劑，通過在原有靜電作用基礎上增加n -金屬鍵作用，合成結構較為完整的錳摻雜mcm - 41材料。Adopting high - strength and high - modulus alkali - free glass fiber ， it is knitted into loom 。
採用高強高模量無堿玻璃纖維，經過經編定向織造網格坯布，通過改性瀝青塗覆加工成玻璃纖維格柵。Ammonia played a critical role in the vertical alignment of cnts, and the possible reason was that in 850 the atomic hydrogen decomposed from ammonia reacted with amorphous carbon to form volatile products to keep the metal surface clean, and mechanical leaning against neighboring tu bes established a morphology of vertical alignment
當基體為單晶硅、催化劑鎳膜厚度為20nm 、氨氣氣氛、生長溫度為850時，得到了定向生長的納米碳管。其原因可能是850時氨氣分解的氫原子和無定形炭生成了易揮發物質，從而保持催化劑的活性使納米碳管依靠相鄰碳管之間的斥力定向生長。For the first time, we reported the barrier height of au / algan is 1. 08ev by analysis on various i - v curves under corresponding temperatures. 3 ^ we reported oriented polycrystalline gan on silica substrates using a new method named ga nitridation
3 、採用金屬鎵層氮化技術，利用我們自行改造的熱蒸發設備和氨氣氮化設備，在無定形石英襯底上生長出具有擇優取向的多晶gan ，取得了一些階段性的成果。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。So its naissance brings a lot of hope and promotion to application and deploitation of milimeter and submilimeter - wave. because of gyrotron, s superiority of high peak power and average power among many known milimeter and submilimeter - wave gyrodevices, it has been paid much respect in the world for application in many areas such as plasma heating, rf accelerator, millimeter radar, dew and so on
由於迴旋管具有在毫米、亞毫米波段其它器件無可比擬的高峰值功率、高平均功率的優越性，因此在受控熱核聚變等離子體的迴旋管加熱（ ecrh ） 、電子高能rf加速、雷達系統、通信系統以及定向武器（ dew ）等方面都有著廣闊的應用前景。The total rna was purified from the germ in the liquid by the guanidine isothiocyantehod method, then the total rna digested by dnase that had not rnase was used for rt - pcr. i change the magnesium ion dencity in the pcr system in order to optimize the pcr condition. at the end i selected the magnesium ion density as 1. 25 mm. the production of rt - pcr was inserted directionally into pgem ? z ( ampr ). the pgem ? z ( ampr ) was used to transform e coli jm109. i got a positive clone through culling and identificatin. the dna sequence inserted into pgem ? z ( ampr ) was sequenced and blasted with the cdna sequence of the # - mannanase mature peptide that got from genbank
分取誘導培養液中的菌體，用異硫氰酸胍法提取總rna ，總rna再經無rna酶的dna酶處理後用于rt ? pcr 。在pcr擴增目的基因時，通過優選擴增體系，使鎂離子濃度為1 . 25mm時rt ? pcr可順利地獲得目的基因，並能定向克隆到載體pgem ? 3z （ amp ~ r ）中。用克隆載體轉化宿主大腸桿菌jm109 ，通過篩選獲取陽性克隆子，對陽性克隆子進行酶切與pcr鑒定，並對載體中插入的目的基因進行測序。A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters
本文還對無換向器電動機雙閉環調速系統的不同控制方式進行了模擬比較，結果表明：採用常規的pi轉速調節器，系統的動態性能不是很好；採用簡單的轉速環智能控制器，系統的動態性能能得到一定改善；採用轉速環滑模變結構控制器，系統的響應特性受系統參數變化的影響較小，具有優異的動態性能。We found that different level coriolis acceleration stimulation had no significant influence on the duration of the illusion but had some influence on the pattern of the illusion, the intensity of ci increased with the levels of coriolis acceleration stimulation, and no significant difference was observed on nystagmus beats, peak slow phase velocity, mean slow phase velocity, time constant of slow phase velocity decay, duration of eng among different coriolis acceleration stimulation, but the direction of eng is consistent with the pattern of ci
結果發現：不同強度的科里奧利加速度刺激對錯覺形態具有一定影響，錯覺持續時間、錯覺強度隨科里奧利加速度的增加而增加，不同科里奧利加速度刺激下的眼震電圖，其眼震方向與錯覺形態是一致的，但無論是水平性眼震還是垂直性眼震，眼震次數、最大慢相速度、平均慢相速度。慢相速度衰減時間常數、持續時間等參數均無顯著性差別。Simulation result shows that the scheme is valid to suppress directional strong interference for stbc mimo system although with some performance loss compared with the ideal case of non - interference
模擬結果表明該方案雖然相對于理想無干擾的系統來說有一定的性能損失，但是能有效抑制空時分組碼mimo系統中的強定向干擾。R. g. radio direction finding station
定向性無線電指向標Standard test method for ductility of nonoriented electrical steel
無定向電工鋼延展性的標準試驗方法分享友人