穩態說 的英文怎麼說

中文拼音 [wěntàishuō]
穩態說 英文
steady-state theory
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 說動詞(說服別人聽從自己的意見) try to persuade
  1. Molecules excited electronically, are unstable relative to the ground state.

    相對于基,電子被激發了的分子是不定的。
  2. From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln

    從介紹了dcs的結構、特點和分析華新型水泥窯的工藝控制特點及當今在水泥窯計算機控制系統上採用的幾種常見形式的比較出發,分析了在華新型水泥窯應用dcs的可行性;詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業控制應用中的性能;深入詳細地明了西門子s7 - 300可編程序控制器在華新型水泥窯控制上應用及設計的全過程:控制流程圖的繪制;單元控制方案的確定;系統控制測點表的編制; plc控制項目的建立;項目硬體及網路的組; plc控製程序的編制過程並詳細明了控製程序的編制思路; plc與編程器連接的建立; plc項目組及控製程序的下載; wincc監控軟體的組;控制系統的調試過程及方法;對設計和使用的要點及系統調試時應注意的問題進行了明;對項目的實施后的華新型水泥窯控制系統在操作和控制上及其在系統易維護性、系統定性上的優勢進行了明並討論了華新型水泥窯計算機控制系統的發展方向。
  3. The walking stability has direct relation to the gait of the robot, and whether the gait is nicer is vital to the stability. by researching of the walking habit of human being, we proceed the gait planning of biped walking robot, decide the single foot supporting and double feet supporting, and bring forward the principle of phase divided and divide a gait cycle into eight sub - phases. that guarantees the continuity, stability of the whole walking

    而步行定性與機器人的步有著直接的關系,良好的步對步行機器人的定性來又是至關重要的,通過對人類步行習慣的研究,對兩足步行機器人進行步規劃,確定了步行機器人的單腳及雙腳支撐周期,提出了分相的原則,並將一個步周期分為八個子步相,保證了運動過程的連續、平,並利用zmp理論對步行機器人定性進行計算,給出靜定步行的條件。
  4. These vagaries of u. s. agriculture illustrate its dynamic, unstable nature and confirm the hazards of forecasting its future.

    美國農業的這些預想明了它的動的、不定的本性,並證明了其未來預測的偶然性。
  5. In the transitive process prices on fictional books fluctuated at times, but the book price system entered into a stable state at last in a short span of time due to bitter competition and media ' s supervision

    在這轉換過程中,小書價曾出現過波動,但激烈的競爭與媒體的監督,又使書價體系較快地進入定狀
  6. Abstract : the restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    文摘:本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整體生環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面積均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生系統的定與功能的發揮,十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生系統恢復的較好,但濕地面積仍有所減少,明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  7. The restoration of the riparian vegetation disturbed by human activities is one of the hotspots of watershed ecology. through interpreting the images of remote sensing in 1985 and 1999, the basic information of forest resources of lushuihe forest bureau, which is a typical forest area of changbai mountain, was obtained with support of gis. by dividing land covers of lushuihe area into 10 types ( water body, residential land, stump land, farming land, wetland, mature conifer forest, midlife conifer forest, mature broadleaf forest, midlife broadleaf forest, and man - made young forest ) and dividing the riparian zone into four buffers ( in turn, 1000, 2000, 3000, 4000 m away from the river ), the changes of riparian forest resources during 1985 - 1999 were analyzed. the results showed that the deforestation intension has obviously decreased and the whole environment has been evidently improved, but the riparian ecosystem was still flimsy. in buffer 1, 2, 3, the area of midlife conifer forest increased largely, but the areas of other types of land covers all decreased. midlife conifer forest had a comparatively good status in the three buffers. in buffer 4, midlife conifer forest, mature conifer forest, and mature broadleaf forest formed a forest - age rank that is helpful to stabilize the forest ecosystem and exert its functions. area percentage of wetland decreased in buffer 1, buffer 2, and buffer 3, even in buffer 4 in which forest ecosystem rehabilitated comparatively well, so protecting and rehabilitating wetland is a very difficult task

    本文對兩期遙感圖像進行解譯,並在gis支持下提取露水河林業局主要河流兩岸各緩沖區森林資源信息,經分析得到各類地物在1985年及1999年的變化趨勢.結果表明:在河流沿岸對森林的採伐強度1999年較1985年明顯減小,整體生環境較1985年有所改善.在緩沖區1 , 2 , 3除中齡針葉林大幅度增加外,其它地物類型面積均減少,由此可以看出,在這三個緩沖區內針葉林得到了較好的恢復.在緩沖區4內,中齡針葉林、成熟針葉林、成熟闊葉林形成一個林齡梯隊,有利於森林生系統的定與功能的發揮,十五年間緩沖區4受到的干擾相對較小.濕地數量在四個緩沖區內均有所減少,雖然在緩沖區4內森林生系統恢復的較好,但濕地面積仍有所減少,明保護及恢復濕地資源是一件非常艱巨的任務,必須引起高度重視.圖5表2參12
  8. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動運行的模擬計算程序分別計算系統的動性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  9. The stability, response time, overshoots and steady - state errors of the systems are analyzed ; and the result indicates the feasibility of the model

    對系統的定性、過渡時間、超調量和精度進行了分析,明了該模型的可行性。
  10. The flexible rotors are always required to operate at a stable speed during the rotors " dynamic balancing

    轉子動平衡時,往往都是讓轉子在定轉速下運行,也就是,常用平衡法對轉子進行平衡。
  11. In this paper a new method based on sa4828 is proposed and realize through dsp, in order to solve the shortcoming which use more hardware resouces, and the problem in precision and stabilization, which is produced spwm using hardware or software simplie, the experiment shows that this method not only use littler hardware resources but also improve the precision and the stabilization. the tradition pid control can not adapt the change of parameter over the control object, and it can not solve the conflict between dynamic index and the static index. this paper introduced the principle of real time operation systerm uc / os - ii firstly. then analyzed the works in porting to dsp, and give the method to resolve the problems to porting it

    此外,這些調節規律本身不能很好的解決系統的動指標間的矛盾,也就是採用傳統的pid難以組成諸如機器人那樣需要完成快速跟蹤、高精度力矩綜合控制的伺服系統。為了解決控制對象參數變化時傳統pid適應性差的問題,本設計採用變論域的模糊pid ,提高了精度、改善了其調節性能。本文主要作了如下的工作,並取得了成就:利用集成晶元ad2s80來求取空間角度,提高了精度,簡化了控制的復雜性。
  12. In this paper, using the three - state hopping model firstly, we discuss the characteristic time to reach the steady state for the potassium channel and illuminate the validation of the model to transient behaviors

    另外,本文首次利用這一三跳躍模型討論了鉀離子通道到達的特徵時間,明這一模型的建立對暫特徵也是有效的。
  13. Carotenoids can make chla return from excited state to ground state by direct or un - direct quenching, in order to prevent algae from photooxidation. on the other hand, it was indicated that polysaccharides have functions in resisting uv. spirulina plalensis can accumulate both cellular and extracellular polysaccharides during uv treatment, it showed highest uv resistant ability ; nanochloropsis sp also can accumulate cellular polysaccharides, while extracellular polysaccharides reduced ; the cellular polysaccharides content of phaeocystis globosa scherffel decreased and extracellular polysaccharides content did not increased markedly, showing lowest uv resistant ability

    鈍頂螺旋藻和微綠球藻中在較低的uv輻射強度下類胡蘿卜素含量升高,而葉綠素a保持相對定,明類胡蘿卜素可能對藻類起到一定保護作用,可能通過直接的或間接的方式猝滅激發的葉綠素,來保障光合作用的進行;本實驗發現多糖的累積和分泌與藻體的抗uv能力有相關,鈍頂螺旋藻的細胞內和細胞外多糖分泌旺盛,其抗uv能力最強;微綠球藻體內能積累多糖,而胞外多糖分泌減少;球形棕囊藻的胞內多糖含量減少,胞外多糖含量增加也不明顯,其抗uv能力最弱。
  14. 0 with a significant level of p < 0. 05. results in normal skin of rats, we detected expression of icam - 1 in the sebaceous gland, hair follicle and epidermis. in the postmortem damage group, diffuse weak staining or negative was observed in the skin appendage and epidermis

    Icam人在正常皮膚的表皮層、毛囊、皮脂腺中呈淡黃色染色,由於皮膚經常接受各種外來刺激,需要相對較快的細胞更新,而在正常皮膚中出現icam l的表達,明其在維持皮膚生物學方面有重要作用。
  15. In this article, a comparison between basic genetic algorithms and optimal elitist model niche genetic algorithms is made and it illustrates that the optimization has greatly optimized the previous sectional solutions and has speeded up the algorithm convergence and the rate of convergence

    摘要探討了基於復制策略的二進制小生境遺傳演算法,並把其應用於復雜函數優化問題中,通過與基於最優保存策略的基本遺傳演算法進行比較,明改進演算法可以極大克服遺傳演算法未成熟收斂問題以及極易陷入局部解問題,提高了演算法收斂性能和收斂速度。
  16. Intuitively, a stable system is one that remains at rest ( or in equilibrium ) unless excited by an external source and returns to rest if all excitations are removed

    直觀地,如果一個系統是定的,則其停留在(或者平衡點) ,除非是受到外部激勵,且當外部激勵去除后,輸出又回到點。
  17. The results indicate : under different condition, the uniform twisted state and the disturbed state, the disturbed state and the saturation state and the saturation state and the uniform twisted state can form bistable state

    計算結果明均勻扭曲解和畸變解,畸變解和飽和解,飽和解和均勻扭曲解在不同條件下,均可構成雙
  18. In this paper, based on the steady cornering model using tire modal parameters directly, a finding is illustrated by both theoretical derivation and computation that the effect of tread stiffness on the prediction accuracy of steady cornering model is larger than that for vertical model

    文中以模參數模型的側偏模型為基礎,從理論推導和實際計算兩方面明胎面花紋剛度的重要性,其對側偏模型計算結果的影響要大大高於對垂直模型的影響。
  19. 4. the theoretical curves v ( f, [ atp ] ) and r ( f, [ atp ] ) under the steady state are compared to experiments when a load acts on the molecular motor, the result is that these theoretical curves accord basically with experiments, which illustrates better the kinetic behaviors of a molecular motor

    將分子馬達拖動負載時的速度v和隨機參數r隨atp濃度[ atp ]的理論變化擬合曲線同實驗進行了比較,結果表明:擬合曲線與實驗基本吻合,較好地明了馬達在拖動負載運動時的各種動力學行為。
  20. The more details about author ' s work are as follows : 1 ) the mathematical models of solar array wind turbine, diesel, battery, converter and inverter are presented based on quasi - steady state theory. by using the models, the power flow may be determined corresponding to solar radiation and wind velocity data so that the long - term performances of wsdbhps can be predicted

    具體來本文的工作及創新點如下: 1 )建立了光伏陣列、風力發電機組、蓄電池、柴油機和逆變器的數學模型,利用該模型可以計算出對應實時的太陽輻射強度和風速下系統的實時能量分佈,為預測系統功率流以及長期性能打下基礎。
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