隨半環 的英文怎麼說
中文拼音 [suíbànhuán]
隨半環
英文
trailing loop-
The sulfide also has toxic effect on u. unicinctus. the time that experimental populations reach 50 % mortality shortens as the sulfide concentration increasing. and the body color changes to dark
同時硫化物對單環刺?有顯著的毒性作用， ?蟲的半數致死時間隨硫化物濃度的升高而縮短，體色亦逐漸變深。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。The macules spread to the upper trunk and bilateral forearms gradually, and the ones on the anterior chest even coalesced to form a polycyclic or whirled pattern
這些病灶隨時問逐漸擴及軀幹上半部及雙側前臂，在胸前的病灶甚至融合為多環或是漩渦狀。A class of random walks on half - line in random environments
一類隨機環境中半直線上的可逗留隨機游動The present paper firstly represents the model about random walks in time - random environments on the right line, then the studies about recurrence - transience criteria and limit theorem by using some relative theories of markov chains, and finally a center limit theorem of this random walks in the non - recurrence case
摘要給出了半直線上時間隨機環境下隨機游動的模型，並利用馬氏鏈理論研究了該隨機游動的常返暫留準則和依概率收斂的大數定律，得到在非常返情形下的中心極限定理。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。With the development of the converter drive technology, the requirement for the variable frequency drive are becoming more and more strict especially for the modern converter drive employing fast switching semiconductor igbt ， though it has high pulse frequency and refreshing time of only nanoseconds, it generates emf that has adverse effect on the environment
隨著頻率控制傳動技術的發展，對頻率變速傳動系統的要求越來越高，尤其是對採用快速切換的igbt半導體現代變頻技術，盡管脈沖頻率高或更斷時間僅毫微秒內，但它們會對周圍環境產生電磁場。" this defies survivability, it ' s bloody awesome, " said police search and rescue senior sergeant bruce johnson. hewitt was found wearing only the bottom of his wetsuit and a yellow catch bag containing the remains of the crayfish and sea slugs that he had eaten during the ordeal, nzpa reported
報道還說，休伊特在獲救時所穿的緊身潛水服只剩下了下半身，而隨身攜帶的一個黃色收納袋裡滿是小龍蝦等的殘渣剩骨，他就是靠吃這些東西才得以在海上極端惡劣的生存環境下死裡逃生的。The seasonal variation of the mean meridional circulation and the double - level structure of the hadley circulation are analyzed by the two methods. the paper also studies the zonal difference of the anomalous meridional circulation and the impacts of el nino / la nina events on the local meridional circulation anomaly. conclusions are drawn as follows : 1, the hadley circulations in both hemisphere and the position of their joint uprising branch move wholly with the heat equation, with most north in july and most south in january
然後用簡化方法分析了氣候平均經圈環流的季節變化，論文還對hadley環流的雙層結構和異常經圈環流的緯向差異以及elnino 、 lanina事件對局地經圈環流異常的影響作了研究，結果表明： 1 ，北、南半球hadley環流圈及其共同上升支的位置隨熱赤道作整體性移動， 7月最北， 1月最南。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。With rapid development of information science, xml is more and more widely used in every field of the world. and xml database is brought to manage this semi - structural files. according to the definition of xml : db, there are three kinds of xml databases, which are native xml database, xml enabled database and mixed xml database. because the application environment of the xml database is so complicated as legacy rdbms, it faces serious security problems. this paper is mainly on native xml database and its access control
隨著信息技術的迅速發展， xml正在各個領域被越來越廣泛的應用，為了有效的管理這種半結構化的數據， xml數據庫的概念被提出。根據xml : db的定義， xml數據庫可以分為xml本源數據庫、支持xml的數據庫、 xml混合數據庫。由於xml數據庫和傳統的關系型數據一樣被廣泛的應用在復雜的網路環境中，因此它面臨著同樣嚴重的安全問題。Recurrence of random walks on half - line in independent random environment
半直線上隨機環境中可逗留隨機游動的常返性Recurrence of random walks in an independent environment on a half - line
半直線上獨立隨機環境中可逗留的隨機游動的常返性The recurrence of random walks in an independent random environment on half - line
半直線上獨立隨機環境中的隨機游動的常返性Recurrence of random walks with resting state in random environment on half - line
半直線上隨機環境中的可逗留隨機游動的常返性However, with the rapid development of the blooming economy and the increasing population, the thing is caused that " there is hills but the hills ca n ' t be seen and there is water but not be seen "
但是，近幾十年來，特別是最近十年來，隨著快速的經濟發展和人口增長，加重了渝中半島的荷載，導致城市建設對城市視覺環境的建設性破壞，造成「有山不見山，有水不見水」的局面。The table is a important device in the hardware - in - the - loop simulation system, and it simulates the flight of unmanned aerial vehicle so as to achieve flying parameters from those sensors. the signals of sensors in the table are transmitted by many cables previously, thus it confines the movement range of the three - axis frameworks. as the perfomance of uav become complicated, the signals cables are replaced by wire rings in some tables, but it brings many difficulties and unreliable factors for the simulation table ’ s design also. bluetooth, as a new short - range wireless communication technology, is a reasonable and feasible scheme in this condition
三軸模擬轉臺是無人機地面半實物模擬系統中的重要設備，用來模擬飛機在空中的姿態和角運動，以驅動傳感器產生飛行姿態、角速度及角加速度信號。早期轉臺上傳感器信號通過穿在框架中的電纜進行傳輸，這就限制了框架的運動范圍。隨著無人機任務的復雜程度不斷提高，出現了採用導電滑環傳遞信號的模擬轉臺，但這也給轉臺設計帶來了困難，且存在不可靠因素。The electrical cut scanning mirror shows : this bilinear behavior results from different cracking ways under high and low strain amplitudes, that is, elastic cracking and brittle cracking respectively. cyclic hysteresis energy is an important fatigue parameter. the total cyclic hysteresis energy of gh4145 / sq increases gradually as strain amplitude goes from 1 % to 0. 5 %, but it decreases when strain amplitude is lower than 0. 5 %
在高溫低周疲勞下， gh4145 / sq合金的循環滯?能具有如下特徵：在1 0 . 5應變幅范圍內，循環總滯?能是一個逐漸增大的過程，而當應變幅小於0 . 5時，總滯?能隨應變幅減小而趨于減小；半壽命處的循環滯迥能和總滯?能與壽命之間的關系曲線表現出雙線性特徵，轉折點對應0 . 5應變幅。Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density, it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld. an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced
預測了由於半導體激光二極體（ ld ）的準費米能級之差隨ld內線流子密度的變化而變化，因而，在調諧外腔半導體激光器的輸出功率?振蕩頻率曲線上出現雙穩環的時候，通過ld的電流也應出現一個伴隨的新型雙穩環? ?電流雙穩環。The normalized modefield and power proportion inside the core are also studied under different structure parameters of triangular segmented core with step ring optical fiber by this method
用此方法研究了帶階躍環的三角型分段折射率分佈光纖中歸一化模場半徑與芯層傳輸功率及總傳輸功率比值隨光纖不同結構參數的變化規律。分享友人