degeneration methods 中文意思是什麼

degeneration methods 解釋
變性法
  • degeneration : n. 1. 退步；惡化。2. 頹廢，墮落。3. 【生理】變性，變質。4. 【生物學】簡並，退化（病）。5. 【物理學】退化，簡並化。
  • methods : （方法）：是指定給對象的函數。在函數被指定給對象之後，該函數就可以被稱為是該對象的方法。
  1. Dark green leafy vegetables such as broccoli, spinach, collards, turnip greens and yellow vegetables and fruits such as apricots are rich in biochemical substances that protect vision from one of the major factors in age - related macular degeneration, say richard bone, professor of physics, and john landrum, associate professor of chemistry, in the latest issue of the journal methods in enzymology

    物理教授理察柏恩及化學副教授約翰蘭卓姆最近在酵素學方法期刊上發表指出，深綠色葉子的蔬菜，像花椰菜菠菜芥藍大頭菜，還有黃色的蔬菜和水果，像是杏桃，都含有一些豐富的生化物質，這些生化物質是對抗中老年視斑性退化的一個主要因素。
  2. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  3. Methods divide the 70 pations into two groups : less than 2 monthes is one group, exceed 4 monthes is other group, record the evalue of mri signal intensity the size of protruded nucleus pulposus, protrusion type, discs hight, dies degeneration degree, neural root compression degree thicken fligamenta flava

    方法對已知不同突出時間的腰椎間盤突出患者進行詢問病史、體格檢查和磁共振掃描，記錄患者臨床表現、突出時間、突出髓核及同層間盤的信號強度、突出髓核大小、突出間盤厚度、有無神經根受壓、有無黃韌帶肥厚、突出間盤變性程度、突出類型等指標。
  4. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯函數的chrestenson線性譜，考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的關系，並利用一組對偶基給出了有限域上邏輯函數的反演公式；給出了有限域上隨機變量聯合分佈的分解式，並利用隨機變量聯合分佈的分解式對有限域上邏輯函數的密碼性質進行了研究；給出了有限域上邏輯函數與相應素域上向量邏輯函數的關系，探討了它們之間密碼性質的聯系，如平衡性，相關免疫性，擴散性，線性結構以及非線性度等；討論了有限域上邏輯函數各類線性結構之間的關系，並給出了任意點都是線性結構的邏輯函數的全部構造，由此引出了有限域上的「泛仿射函數」的概念；考察了有限域上邏輯函數的退化性與線性結構的關系、退化性與chrestenson譜支集的關系；給出了有限域邏輯函數非線性度的定義，利用有限域上邏輯函數的非線性度與相應素域上向量邏輯函數非線性度的關系，考察了有限域上邏輯函數的非線性度與線性結構的關系；利用有限域上邏輯函數與相信息工程大學博士學位論文應素域上向量邏輯函數的關系，揭示了有限域上的廣義bent函數與相應素域上的廣義bent函數的關系，以及有限域上的完全非線性函數與相應素域上向量廣義bent函數之間的關系;給出了任意有限域上任意。
  5. First, we trained neural network by using different methods to deal with different data, to elevate the ability of detecting small intrusion and prevent neural network degeneration during training ; then, the improved genetic algorithm was used to optimize neural network ensemble weight

    首先通過有區別地對待不同的訓練數據訓練神經網路，提高對小類別入侵的檢測能力並防止網路訓練中的退化現象；然後利用一種新的改進遺傳演算法優化集成網路的權，提高系統整體性能。
  6. Consulting criterion and experts ’ experience the grade standards of indexes are listed, and applying grey correlation analysis method to calculate value of the indexes, of which the form is a serial data. the last, an actual bridge uses synthesis evaluation model, of which calculating result is the same as conclusion of the experts. so the bridge condition synthesis evaluation model of this dissertation is relatively in reason ; chapter 3 discusses defects of current bridge condition evaluation methods, and analyzes various factors, which bring bridge degeneration

    參考《公路橋涵養護規范》中的分級標準進行評語量化，最後根據綜合評價模型進行實橋的評價，驗證本文所用方法的合理性;第三章，討論層次分析法建立橋梁評價模型存在的問題，分析影響橋梁退化的各種因素，並給出因素的模糊分級標準，運用模糊綜合評判方法估算橋梁平均退化率，以掌握橋梁的退化狀態，並舉例說明本方法的可行性;第四章，針對橋梁狀態評價具有信息不完全、關系不明確等灰色特性，以及目前我國橋梁管理部門儲備的橋梁數據資料較少的弱點，對橋梁狀態退化趨勢的預測採用灰色預測的方法，並給出了橋梁狀態的灰色馬爾可夫預測模型和非等時距灰色預測模型。
  7. There have been a mass of research documents showing that many visual functions deteriorate with age both for human beings and for animals. age - related visual function decline could not be completely attributed to optical and retinal changes. considerable visual impairments in the old might result from morphological ( such as cell loss, dendritic change and synaptic density decrease ) or functional ( such as weakened gaba inhibition ) degeneration of visual pathways. in this article we made preliminary studies on the mechnisam underlying visual function degradation by electrophysiological and morphological methods

    隨著年齡的增長，人及動物的許多視覺功能出現衰退，老年性視覺能力降低並非完全由眼的光學因素和視網膜形態、功能變化導致，不少方面可能決定於衰老引起的視覺中樞結構（如神經元丟失、樹突野改變及突觸密度下降等）和生理功能（如皮層內gaba能抑制作用減弱等）的改變。
  8. The full noise and linearity analysis of the low noise amplifier ( lna ) constructed by cascode structure with source degeneration and the optimization methods of the two mosfets in this structure according to the noise and linearity performance

    I對共源共柵矚ascode ）源極去耦舊ourcedegeneration ）結構低噪放做了完整的噪聲和線性分析，得到該結構中兩個mosfet針對噪聲性能和線性性能的優化方法。
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