神經變性的 的英文怎麼說
中文拼音 [shénjīngbiànxìngde]
神經變性的
英文
neurodegenerative-
Thirdly, resorting to cooperation - competition model of biomathematics, this thesis proposes a new co - evolution model. simulation results are shown to verify its effect and practicabilitv. last, standard methods for optimizing neural netvvorks are easily trapped into local optimization, and unable to adjust the structure of neural networks, thus their application is limited to certain extent
本文主要驗證和設計適應性操作運算元和小生境方法保持群體多樣性的能力，實驗表明兩種方法都能較好地達到目的；利用生物合作競爭模型設計協同演化來動態地改變群體規模，實驗表明該模型是有效的；人工神經網路是得到越來越廣泛應用的學習系統，但是由於學習演算法存在一定的缺陷，如易於陷入局部極值，難以調整網路的結構等，使神經網路的應用受到一定的限制。Blood contains diffusible factors that could leak out of vessels to affect neural activity, and changes to blood volume could affect the concentration of these factors
血容量的改變能夠影響血液中的一些可擴散因子濃度，而這些因子能從血管中滲出而影響神經活性。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論Furthermore, due to the symmetry restriction of traditional radial basis function networks ( rbfn ) with gaussian function, the asymmetric gaussian basis function ( agbf ) is proposed to construct the full adaptive agbfn. because the asymmetry gaussian function ' s variability and malleability are higher than the traditional one, the asymmetry gaussian basis function can provide the agbfn which own a higher flexibility and can approach the true result more easily
針對這一問題，文中提出了一種全自適應的不對稱高斯基函數網路（ agbfn ）結構，網路的基函數採用具有不對稱寬度的偽高斯函數，和常規的高斯函數相比，具有更大的可變性和延展性，從而使得隱層神經元在函數近似上具有更高的適應性，提高了神經網路的學習能力。Parkinson ' s disease arises from genetic and possibly neurotoxic causes that produce massive cell death of the neuromelanin - containing dopaminergic neurons of the substantia nigra
帕金森氏病的病因包括基因突變和神經毒性物質作用，導致黑質多巴胺能神經元大量的死亡。Plastic changes in nociceptive transmission may occur at the spinal cord as well as supraspinal structures after tail amputation
這種長期性的變化可能是由於中樞神經系統的神經可塑性變化引起的（從脊髓背角到皮層） 。Since 1980s he has been studying the mechanism of normalization of abnormal blood pressure and the resetting of baroreceptor reflex by acupuncture and somatic nerve stimulation, effects of brain osmoreceptor stimulation on sympathetic nerve discharge and renal activity, the role of vasopressin in body fluid and salt homeostasis, difference in gene expression between hypertensive and normotensive rats, hypertension and cardiac ischemia - induced myocardial remodeling, effect of steroids on the nervous system, etc. with his research achievements, dr. yao was awarded science and technology progress prize sponsored by the state education commission grade a award in 1986, grade b award in 1995 and by the ministry of health grade b award in 1989 and 1993, grade a award of guang - hua science and technology prize 1995, and chinese universities science and technology prize grade b award in 2000
近二十年來，他主要從事針刺和刺激軀體神經對心血管和腎臟活動的調整作用刺激腦內滲透壓感受器引起的交感神經放電和腎臟活動的改變血管升壓素在心血管活動調節和水鹽平衡中的作用原發性高血壓的相關基因高血壓和心肌梗死引起的心肌重構甾體激素對神經系統的影響等。他的科研成果曾獲得國家教委科技進步獎一等獎一項1986年二等獎一項1995年衛生部醫藥衛生科技進步獎二等獎二項1989 1993年光華科技基金獎一等獎一項1995年中國高校科學技術獎二等獎一項2000年。Experimental study of micro - vascular changes due to chronic compression of cauda equina in rabbits
兔馬尾神經慢性壓迫后微血管改變的實驗研究Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively
文章中還建立一種基於模糊神經網路的非線性模型，並對比分析了三種方法，模擬中確定了電機的最優開通關斷角，在此基礎上實現了電流斬波控制、角度位置控制、變幅值電流斬波控制以及分段雙閉環pi控制，模擬結果表明，它實現了電機的正常運行，很好的抑止了電機轉矩脈動，同時有效地降低了噪聲。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。Adding momentum item while correcting weight and limiting range of input value reduce error and improve diagnosis correctness greatly. while normalizing the input value, a new way is put forward that normalization is performed item by item according to its sort. in this way error training can avoid going into the flat field that is caused by existing of 0 or 1 of the input value
本文首先分析了故障診斷和神經網路的基本理論，並在此基礎上提出了神經網路對于變壓器故障診斷系統的適用性；文中將bp神經網路演算法用計算機實現；並針對其本身存在的一些缺點提出了一系列改進措施，通過在修正權值的時候增加動量項，並且限制輸入值范圍來減小誤差、提高系統的診斷正確率；在對輸入數據進行歸一化處理的時候，採取按類逐項歸一化的方法，避免了輸入數據出現0或者1而使訓練進入平坦區。These findings demonstrate the varied involvement of peripheral hearing and central brainstem functions in the neurotoxicity of neonatal hyperbilirubinemia
這些結果顯示出膽紅素神經毒性的病變包括末梢聽神經至中樞腦干之不同程度的傷害。Other experiments revealed slight variations in the size, number, arrangement, and interconnection of the nerve cells, but as far as psychoneuaral correlations were concerned, the obvious similarities of these sensory fields to each other seemed much more remarkable than any of the minute differences
其他的實驗揭示神經細胞的大小、數量、排列和連接的細微變化，但就神經關聯而言，這些感覺區域的相似性比那些細微的區別更有意義可言。Mutations in ion channels are likely to be inoled in epilepsy, chronic pain, neurodegeneratie diseases and muscular diseases, and ion channels are the target of many drugs
癲癇，慢性疼痛，神經變性疾病，和肌肉疾病可能都涉及到離子通道的突變，並且離子通道是許多藥物的靶點。In this paper, the author applied bp algorithm in this subsystem, and a model of crack detection of glass bottle is described. this model enables the detection system to enhance the capabilities of auto - learning and auto - adapting greatly by overcoming the weakness of the worse adaptability of adapting the change of the environment and the worse tolerance to mistakes of the new information
本論文將bp演算法應用於該子系統中，建立了基於bp神經網路的「玻璃瓶口裂紋檢測模型」 ，克服了原演算法對環境變化適應的靈活性和對新信息的容錯性較差的弱點，從而使該檢測系統的自學習、自適應能力大大增強了。Several of the demonstrated inflammatory mechanisms are shared by other neurodegenerative disorders but some parkinson ' s disease - specific mechanisms have also emerged
有些炎癥機制是與其他神經變性疾病共有的，但是也發現了一些帕金森氏病特異的機制。Results of the experiments, described in the february 2007 of the journal of neuroscience research, support the concept of using bone marrow - deried stem cells to create therapies to treat brain tumors, strokes and neurodegeneratie diseases
《神經科學研究》雜志2007年2月刊的一篇文章中的實驗結果表明，移植骨髓源性幹細胞能夠做為腦腫瘤、中風和神經變性疾病的治療手段。The replacement of damaged brain cells with healthy cells cultured from stem cells is considered to potentially be a promising therapy for the treatment of stroke, neurodegeneratie disorders and een brain tumors, but finding a reliable source for generating neural cells for transplantation has been a challenge
利用培養的健康幹細胞取代受損的腦細胞被認為是中風、神經變性疾病甚至腦腫瘤的有前景的治療方法，但尋找分化為神經細胞的可靠來源用於移植充滿挑戰。The american society for neural transplantation and repair is composed of basic and clinical neuroscientists who utilize transplantation and related technologies to better understand the way the nervous system functions and establish new procedures for its repair in response to trauma or neurodegenerative disease
美國神經移植和修復協會由主要臨床神經科學家組成，他們運用移植和相關技術，以更好地理解神經系統發揮功能的方式，並確立對神經系統對外傷或神經變性疾病的修復的新方法。2 weber ma, byyny rl, pratt jh, et al. blood pressure effects of the angiotensin ii receptor blocker, losartan. west j med, 1998, 168 : 272
5孫寧玲，洪婷婷，王鴻懿，等.原發性高血壓交感神經活性的變化及纈沙坦對其活性的影響.中國循環雜志， 2001 ， 16 : 331 - 333分享友人