非同化系 的英文怎麼說
中文拼音 [fēitónghuàxì]
非同化系
英文
non-assimilation system-
E. coli is capable of metabolizing both hexose and pentose sugars, but it lacks pdc - adh ii system. however, zymomonas mobilis is able to produce ethanol efficiently by an overactive pdc - adh ii system, but its utilizable substrate range is restricted to glucose and fructose
大腸桿菌含有同化戊糖和己糖的所有必需酶，但缺乏pdc - adh系統，只能生成非常少的酒精。相反，運動發酵單胞菌具有較強的pdc - adh系統，能很好地發酵生成酒精，但只能利用葡萄糖和果糖。In the non - coaxial bwo of l - band, the radius of the slow - wave structure is very large, and the volume and weight of the guiding - magnetic system are also very large. thus, the non - coaxial bwo of l - band is bulky and lumbersome and is inconvenient for real application
若採用非同軸相對論返波振蕩器實現l波段的微波輸出，則要求慢波結構的平均半徑很大，導引磁場系統的體積和重量會變得較大，這給器件的小型化帶來了很大的困難。Meanwhile the results also showed that the main cause of which the game reanalysis data being better than the ncep reanalysis data is the game reanalysis data including the sonde data of the game but not the different assimilation modes of the two reanalysis data
通過對game外場試驗期和非試驗期的game與ncep兩組再分析資料進行對比分析，我們得到， game再分析資料優于ncep再分析資料的主要原因是game的資料同化系統中加入了包括hubex等氣象科學試驗的探空加密觀測資料。Although this method gives high sensitivity, the radioactive labels present many problems such as a potential hazard to analyst and environment, which limited its application in dna diagnostic laboratories. in order to overcome these problems a serious of non - radioactive dna probes such as fluorescent, chemiluminescent and electrochemical probes have been developed. although these new methods display many advantages, they have not been used to take place completely the traditional method because of low sensitivity or complex equipment or other shortcomings
自20世紀80年代以來，各種非同位素如酶、熒光素、生物素、地高辛標記的化學發光法和熒光分析法以及以電活性物質做標記的電化學方法相繼問世，這些方法雖然在一定程度上克服了同位素標記的缺陷，但由於存在靈敏度不夠高或檢測系統龐雜或儀器價格昂貴或標記物不穩定等缺陷，還不能完全取代傳統方法。The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed
小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構；小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為，小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性，不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。Under this chance and possibility connected, added different policy of farmland conversion distribution division of income, with game theoretical model to analyze the relation between superintendent and impose, acreage and impose, it draws a view that these redistribution relation accelerates farmland conversion. part 3 is about chapter 5 and chapter 6. chapter 5, aims and principles of mechanism of land income distribution are explained by new means and points of view in market economy
在可能和機會相結合的條件下，加上農地非農化過程中收益再分配的不同選擇，用博棄論模型來分析監督人與徵收人之間和用地人與徵收人之間的關系，減少農地非農化收益非規范的再分配，這些利益再分配關系導致農地非農化的加速Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。The analysis on the test result shows that the temperature distribution in cfst members caused by solar radiation is nonlinear, and the nonlinear character is most evident when center point of concrete gets its lowest temperature. the temperature of the center point is affected by various directions, especially the strong potential. in the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center
結果表明，日照作用下截面的溫度場為非均勻場，混凝土中心的溫度達到最小值時，截面溫度場的非線性特性最明顯，圓心點的溫度受各個方向溫度的共同作用，更多地受到強勢方向的影響;下午時處在向陽面的各系列，同一系列上混凝土各點溫度變化隨直徑縮小趨緩，越靠近圓心，溫度變化越緩和，對外部環境（包括氣溫與日照）的影響呈滯后現象越明顯;而在下午時處在背陰面的各系列除圓心點外，同一系列上越靠近圓心的混凝土測點，溫度變化越緩和。In the end, i discussed the formation and evolution character of long sequence cycles, which had close relation to asynchronous thrust action of longmen mountains and micang - daba mountains
詳細討論了短期、中期和長期旋迴層序的結構類型、沉積序列、疊加樣式和分佈模式，最後探討了長期旋迴層序的形成、演化特徵以及與龍門山和米倉山?大巴山兩構造帶非同步逆沖推覆作用的關系。The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations
簡便，其計算結果與現有其他程序計算結果基本一致：開發固體制劑體外溶出試驗數據處理程序，程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節，實現了累積釋放百分率的自動計算，同一坐標系下釋放曲線的直觀比較，常用數學模型的擬合；開發基於人工神經網路的處方優化系統，解訣處方優化這一多目標、非線性優化問題，利用符合擬合精度的訓練結果預測給定處方的釋放度，預測結果與實驗結果基本相近。Scientists have sequenced the honeybee genome, revealing some of the biology beneath the insects ' advanced social systems and powerful sense of smell as well as the spread of africanized ( or " killer " ) strains
科學家已經為蜜蜂的基因完成了排序，同時也揭示出這種昆蟲高度社會化系統、發達的嗅覺以及非洲殺人蜂的泛濫背後的生物特性。Circular house embodies the living culture of the hakka people are extraordinary aesthetic pursuit
圍屋體現了客家民系居住文化的非同尋常的美學追求。During the course of information recommending, the thesis combines content - based filtering with collaborative filtering to find particular information for each user, and it also presents different collaborative filtering strategies. in personalized information retrieval, the thesis takes advantage of the user ' s profile which describes particular user ' s information needs to filter useful information from the retrieval results for particular user and to enhance the accuracy of retrieval
與以往系統不同，系統無需用戶直接反饋，而是通過其對文檔的訪問頻度、駐留時間及操作行為等來隱式獲取用戶的評價信息；同時，系統也利用用戶候選興趣特徵向量來記錄和累計用戶潛在的、非主要的興趣的變化過程，精度更高。For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized
為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model
非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。As a typical system of mass, a cooperative multi - mobile robot system is at the core of this dissertation. path planning of the cooperative multi - mobile robot system, robust identification and robust control of each mobile robot for tracking the planned paths are studied in five chapters as follows : firstly, definition of multi - agent systems, proposal of robustness study of mass, status and existing problems in path planning of mobile robots, in nonlinear system identification and in nonlinear system robust control are discussed
全文共分五章，主要內容如下:首先介紹了多智能體系統的定義、多智能體系統魯棒性研究的提出，以及移動機器人系統的路徑規劃、非線性系統辨識和非線性系統魯棒控制的研究現狀及存在的問題;然後針對合作式多移動機器人系統的路徑規劃，創造性地提出了合作式共同進化自適應遺傳演算法，以及移動機器人路徑的定長十進制編碼機制。To provide theoretical basis for the enhancement of affinity chromatography, the synergy of multi fields, such as temperature field, chemical potential field and gravity field in affinity chromatography operated by a tapered bed with the continuous up - flow, was analyzed according to the phenomenological theory, and the relationships among the individual components within a field were investigated
摘要為了對親和層析過程的強化提供理論依據，應用非平衡熱力學唯象理論，分析了該過程中溫度場、化學勢場及重力場等各種場之間的協同關系，以及各自場內不同分量之間的協同關系。The wkb method is used to calculate the amount of reflection coefficient of a plane wave normally ( or obliquely ) incident on a conductive plane covered with inhomogeneous unmagnetized plasmas
用wkb方法給出了垂直入射、斜入射情況下，非磁化不均勻等離子體密度覆蓋導體平板的等離子體對不同頻率電磁波的反射系數。A proper t - s fuzzy model is adopted to describe the complex nonlinear system. based on the method of local linearization, the idea of generalized predictive control ( gpc ) and the definition of finite impulse response are utilized to design the novel control strategy. the new method not only is different from the common predictive pid control, but also solves the problem that the system ' s order is restricted in the reported papers
該方法採用ts模糊模型來描述復雜的非線性系統，同時在局部線性化基礎上結合廣義預測控制的思想和有限脈沖響應濾波器的定義，提出了一類新型的模糊預測pid控制器的實現方法，該方法不僅有別於一般的預測pid控制器的設計，而且解決了一般預測pid控制器設計當中對系統模型階次的限制問題，從而將其推廣到了一類更廣泛的系統。Abstract : in this paper, the problem of robust ( adaptive ) synchronization of chaotic nonlinear systems with a unified model is considered. two main methods are proposed in different cases. sliding mode control is used when the states of the two synchronized systems can be measured, though the considered systems may contain uncertain parts. adaptive control with an observer is employed when only output information about the systems is known, where sliding mode control is also adopted to improve the robustness of the adaptive control systems
文摘:針對混沌非線性系統的同步化問題，給出了一個較為一般的模型；我們利用混沌吸引子的特有性質（如混沌吸引子有界性等） ，對于所給模型，採用滑動模控制律實現了混沌同步化；在誤差可觀測的條件下，設計了觀測器，並採用自適應滑動模控制律使得混沌非線性系統可以達到給定的同步化誤差界分享友人