動作反應時 的英文怎麼說
中文拼音 [dòngzuòfǎnyīngshí]
動作反應時
英文
reaction time of action-
We have studied pharmacodynamics of valepotriates through observing its effects on the times of spontaneous motion in mice, the sleep time of sodium pentobarbital ( superthreshold doses ), sleep rate of sodium pentobarbital ( subthreshold doses ), the number of writhes induced by acetic acid and seizures rate of metrazol. the experiment results proved that valepotriates could significantly decrease the times of spontaneous motion, prolong the sleep time of sodium pentobarbital ( superthreshold doses ), enhance the sleep rate of sodium pentobarbital ( subthreshold doses ), reduce the number of writhes induced by acetic acid and reduce the seizures rate of metrazol, so it showed high central inhibition effect, thus offer scientific foundation for its further exploitation and utilization
通過研究蜘蛛香中總纈草素對小鼠自發活動的影響、對戊巴比妥鈉睡眠時間的影響、對戊巴比妥鈉閾下劑量的影響、對小鼠扭體反應的影響、對戊四氮誘發驚厥的影響發現：總顆草素能明顯抑制小鼠的自主活動，顯著延長戊巴比妥鈉致小鼠睡眠時間，明顯提高閾下劑量戊巴比妥鈉小鼠入睡數，對抗戊四氮誘發的小鼠驚厥，顯示出較好的中樞抑制作用，為蜘蛛香的進一步研究開發提供了科學依據。~ ( 252 ) c _ f - source - driven neutron noise analysis method is a way of measuring and analyzing the reactivity of reactor or subcritical reactor, which detects subcritical neutron multiplication factor, prompt neutron decay constant, and so on
~ （ 252 ） c _ f源驅動噪聲分析法是一種測量、分析反應堆和次臨界系統的快速反應性的方法，可作為臨界安全的瞬時檢測方法。In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the
本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。The method can guarantee distance protection will not have a wrong operation and enlarge the fault ' s range when the power flow of electricity grid diverts in a wide scope
該方法能夠可靠保證在電網潮流發生大范圍轉移時后備保護不誤動作，避免引發連鎖反應，擴大電網事故。If the system is connected to real data, it will change the graphics automatically, namely, print the color of the net, analyse which part is electriferous, alert of loads
系統可以通過數據庫介面和實時數據建立連接，自動對實時數據的變化作出反應，如：網路著色、帶電分析、負荷報警等功能。Clemens concluded his workout with 11 fielding drills that took approximately four minutes. he showed very little emotion other than to fist - bump denbo as he left the field
火箭人總結他的練習， 11次的內野練習，花了大概四分鐘。他很少有任何的情緒反應除了離開球場的時候做了拳頭碰拳頭的動作。The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree
計算模型分別採用三維空間模型及規范中建議的彈簧、質量模型，隔震層採用疊層橡膠隔震支座，運用大型結構有限元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程反應，同時研究了隔震結構在溫度變化的作用下，結構各桿件的內力變化，通過對變電建築物在傳統抗震作用下及隔震作用下的分析比較，得出一些有益的結論。Soil - structure dynamic interaction is the dynamic responding of soils, foundation and superstructures excited by wave propagation in soils and structure virtually and, dynamic analysis of soil - foundation interaction is the key problem in studying soil - structure interaction
土?結構動力相互作用的本質就是波動在結構地基系統內傳播時引起的結構和地基的動力反應問題。研究土?基礎結構的動力相互作用是分析土?結構動力相互作用的關鍵。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料，在此基礎上分析了原位復合材料的微結構，進行了干滑動摩擦磨損和電接觸滑動磨損實驗，完成的主要工作如下：從熱力學的角度出發，分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件，並用電解銅、工業純鈦、 b _ 2o _ 3 、 c （還原劑）以及cu - ti 、 cu - b等合金為原料，通過控制適當的反應溫度、反應時間和快速凝固等工藝手段，制備了cu -納米tib2原位復合材料。In this paper, concentrated sulfuric acid and titanium dioxide are used to prepare the tios04 solution that test later required under long time heat. the influences of reaction time and reaction temperature to yield of tioso4 are discussed. in the experiment of preparing tio2 powder, reaction temperature, ph values, material ratio, operation way, velocity of feed, calcining heat and time are researched by the principle of nucleation and growth in thermodynamics and kinetics
在制備tio _ 2粉體實驗中，根據成核生長的熱力學和動力學原理，深入分析了沉澱反應時環境的溫度、 ph值、反應物配比、操作方式、加料速度等因素對ti （ oh ） _ 4粒度的影響，以及焙燒溫度和保溫時間等因素對制得的納米tio _ 2粉體性能的影響，得出了制備銳鈦型納米tio _ 2粉體的優化工藝條件。Comparing with passive control, active control is more complicated and it need large amount of energy, although its performance is better than other control me thods in theory. semi - active control is a new control method that its control rely on the structural responses or external disturbances, and its control devices can change working status to adapt the vary loads comparing with passive control. and it does not need the large amount of external energy supply
與被動控制相比，半主動控制的特點是能隨結構動力反應或外界載荷的變化及時調整控制狀態，使控制裝置的減振作用更好地發揮出來，因而其控制效果更顯著；與主動控制相比，半主動控制不需要外部巨大能源的保證，也不存在控制失穩問題，因而半主動控制已成為結構振動控制新的研究方向。So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level
通過三種小波基（ littlewood ? paley小波、 meyer小波、諧波小波）下的地震地面運動能量分析以及結構地震能量反應分析說明：直接通過加速度記錄可以求得地震動能量，由於小波系數中同時含有時域和頻域的能量，由此得出的能量比以往的方法更準確；在此基礎上求得了結構的能量反應時程，為結構設計及結構中設計耗能體系提供了具體的方法；通過這一章對比分析得出， littlewood ? paley小波不適合於作地震動能量分析和結構能量反應分析。Another problem is time - delay being in the control of mr structure, hi this paper, one input of the fuzzy logic controller is the seismic acceleration that avoids some time - delay being in the control. but time - delay being in the structure still is n ' t solved, so the neural network technique is introduced to predict the seismic responses of structures to avoid it, and the bi - state neural network control and fuzzy full - state neural network control are proposed. 4
對于磁流變阻尼結構控制中的時間滯后問題，本文將地震加速度作為模糊邏輯控制器的一個輸入，消除了控制中部分滯后問題；但仍存在著結構本身的滯后問題，對此引入神經網路對建築結構的地震反應進行預測，並基於預測的動力反應和實測結構的動力反應的綜合值作為模糊邏輯控制器的輸入來消除建築結構本身的時滯，並提出了雙態神經網路控制和模糊全態神經網路控制； 4This paper is concerned with the evaluation of seismic capacity of prefabricated prestressed concrete skeleton structure ( ims system ). the elasto - plastic time - history analysis and the push - over analysis are performed for this purpose. in order to promote the ims system ' s use in the area of high seismicity, systematically research has been made to study its dynamic response and damage mechanism under horizontal seismic action
本文採用彈塑性時程分析方法及靜力彈塑性分析方法對預應力板（梁）柱體系抗震能力進行了評定，較系統的探討了該體系在地震作用下的動力反應及破壞機制，旨在促進該體系在地震區的推廣和使用。In this thesis, the internal force and transfiguration of the double reticulated dome under different load combination are studied ; the linear and nonlinear analysis are separately performed ; compare the difference between space girder element and space truss element ; at last analyze the dynamical response under seismic action. the horizontal seismic response of double layer oblate lattice shell is analyzed by using step - by - step integration procedure. the effect of some parameters such as exterior load, different support conditions and damping ratio on the dynamic internal forces and dynamic properties is studied
本文旨在研究雙層球狀網殼結構在各種載荷組合下的內力和變形，分別進行了線性和非線性靜力分析；進行了空間梁單元和空間桿單元兩種計算模型的比較；最後進行了在地震荷載作用下的動力反應分析，動力分析中用子空間迭代法得出了這類空間結構的動力特性，用時程法中的振型疊加法分析了結構在水平地震作用下的動態響應規律。Traditional micro - displacement actuator always uses heat - expanded materials and piezoelectric ceramic. and these materials universally have many disadvantages, such as small expanding - contracting value, long reaction time, complex driving structure, easily aging and so on, which seriously influence output range and controlled precision
傳統的微位移驅動器的驅動材料多採用熱膨脹元件和壓電陶瓷，由於在這類材料中普遍存在伸縮應變量小、反應時間長、驅動結構復雜、易老化等問題，嚴重影響了驅動器工作范圍的擴大和控制精度的提高。Second, a laboratory research manipulating road difficulty and dialog complexity was conducted to examine the effect of using cellular phone on driving
研究結果發現，不論是在質性研究或是實驗室模擬，都指出受測者在駕駛中使用免持聽筒之行動電話仍會造成檢測作業的反應時間與反應正確率績效降低。The result of the study included two aspect : one is the affection when hollow opened and pier on arch - dam with statics calculation, earthquake response spectrum analysis and analysis of time - history i. e step - by - step integration analysis
本文完成的主要工作有兩個方面：一是通過靜力分析、反應譜分析和時程分析研究壩身開孔及閘墩對壩體整體動力反應的影響。At last, the heart beating speed and blood pressure of taxi drivers and the response time are measured after the vibration duration is 0, 2, 4, 6, 8, 10 hours. the phenomena that response time is longer and longer, the rate of heart beating is faster and faster and blood pressure raises firstly and then decreases are founded. the drivers will suffer from fatigue in about 8 hours
最後，本論文在國內外首次對出租車駕駛員工作0 、 2 、 4 、 6 、 8 、 10小時后的心跳速度和血壓這兩個生理指標及反應時間進行了測量，並發現隨著工作時間的增加，出租車駕駛員的反應時間逐漸加長，心跳速度逐漸增加，駕駛員的血壓先增加后降低;發現出租車駕駛員大概在工作8小時之後疲勞，與駕駛員的主觀感覺完全吻合;通過計算，職業駕駛員疲勞時對應的估計振動劑量值為: 11 . 12ms - 1 . 75 ，依此可以將此研究成果推廣到其他類似出租車駕駛員的職業駕駛員的疲勞判別中，從而可以制定出更合理的作業時間。分享友人