整流區 的英文怎麼說
中文拼音 [zhěngliúqū]
整流區
英文
commutating zone-
However, the advance of intracellular labeling techniques enables us not only to visualize more complete dendritic arbor for qualitative analysis, but also to examine the relation between changes in the dendritic arborization and the evoked fast postsynaptic curents - 3 - ( fpscs ) in the same neurons during the postnatal development the aim of this study was to systematically examine the postnatal changes in the configuration of fpscs evoked by the focal stimulation of the stratum radiatum of the ca1 region, and the relationship between the dendritic arborization and evoked fpscs in the rat hippocampal ca1 pyramidal neurons using whole - cell blind patch recording technique combined with biocytin intracellular labeling during the postnatal development ( postnatal day 2 - 70, p2 - p70 )
但是，細胞內染色技術的進步使我們不僅能觀察到更完整的樹突分支來用於定性研究，而且也可以在同一神經元上研究在發育過程中樹突分支的變化與誘發的快突觸后電流（ fastpostsynapticcurrents ， fpscs ）之間的關系。因此，本研究應用盲法腦片膜片鉗記錄並結合biocytin細胞內染色方法，對發育過程中（生后2 70天）局部刺激大鼠海馬ca1區輻射層在錐體神經元誘發的fpscs的成分變化，以及ca1錐體神經元的樹突分支與誘發的fpscs的關系進行了較為系統的研究。It includes not only research of newtonian fluid, but also study of non - newtonian fluid. based on junction phenomena over debris areas, types and features at conflux of different areas are obtained
本文首先研究了整個泥石流流域上發生的匯流現象，從泥石流產生區、流通區以及堆積區對泥石流匯流的形式和特點進行了總結。Interior of the country, a great number of famous groups were threatened by the marketing crisis and marketing failure. as " juren group " fell down, " taiyangshen group " went down, " feilong group " hit the ground and many advertising kings broke down, some of the excellent companies, which had ever presented the market trend, are now sinking into the condemn of general debility or even bankruptcy. since our country takes part in the wto, the competition will turn from the domestic, partial, un - integrate one to the one of international and overall
上個世紀末波及全球的東南亞金融危機，造成東南亞地區的經濟倒退、企業倒閉；在國內， 「巨人」倒下、 「太陽神」下山、 「飛龍」落地、 「標王」破產，一大批知名企業被營銷危機和營銷失敗籠罩，過去曾是領導市場潮流風雲企業，而現在卻陷入虧損甚至破產的困境；隨著我國wto的加入，國內競爭逐步發展為國際的競爭，競爭日漸激烈，市場的競爭將由國內的、局部的、不完整的競爭轉向國際化的、全方位的競爭，市場特點將由國內市場的國際化變為國際市場的國內化，更多的企業將面臨營銷失敗。Firstly. operation principle of induction heating is introduced and the actuality of the power supply for induction heating is summarized. then, the scheme of structure of the power supply is established : uncontrolled rectifier and buck chopper constitute dc circuit. in this part, operation principle of a kind of soft switching buck chopper is presented mainly and the conclusion that the power semiconductor devices operate in soft switching is also illustrated by analysing the operation principle of all stages ; series resonant inverter is selected as inverter circuit via comparing the advantage and shortcoming of parallel resonant and series resonant. moreover. the work principle of series resonant inverter is analysed and the calculating method of the best dead time is put forward as well
文中首先介紹了感應加熱電源的工作原理並綜述了國內外的研究現狀。接下來分析並制定了電源主電路的構成方案：在對比幾種功率調節方式的基礎上選擇了不控整流加斬波調壓作為直流部分。在這部分里，重點研究了一種軟開關buck變換器，通過分析各階段的工作原理說明了開關器件如何工作在軟開關狀態；對于逆變器部分，在比較了串、並聯逆變器優缺點的基礎上選擇了串聯諧振逆變器，並詳細分析了串聯逆變器的工作原理，提出了最佳死區的計算方法。In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems
本文針對目前電弧爐負載數學模型存在的適用范圍有限、特性不連續等缺點，在建立了分別適合大、小電流區域運行特性的數學模型的基礎上，引入狀態連續轉換因子，將分別適合大、小電流區域運行特性的數學模型有機結合為一個整體，建立了適合全范圍的數學模型，解決了目前數學模型存在的問題。Yulong electrical co., ltd, founded in 1988, located at shunde district of foshan, which is in the centre of the pearl river delta. it is a professional company that produces various kinds of control transformers and commute transformers. our factory has the most advanced technology and facilities, also inspectoral equipments
宇龍電器有限公司（原二龍整流器廠）創建於1988年，位於珠江三角州腹地佛山市順德區，是生產各類型控制變壓器及整流電源設備的專業企業，具有雄厚的技術力量及先進的生產設備，檢測設備。The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct
對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。When considering the maximum multiplier effect of the whole economic area we should take a series of measures to improve the mpc of each branch area and the investment in - flow rate of the branch area with a higher mpc as well as the investment outflow rate of the branch with a lower mpc ; also to be considered is the in - flow rate of investment capital to the branch area with a higher mpc
當投資對整體區域的總體乘數效果成為關注的目標時，應當採取措施提高各子區域的邊際消費傾向、邊際消費傾向相對較高的子區域的投資內流比、邊際消費傾向相對較低的子區域的投資外流比、期初投資流入邊際消費傾向相對較高子區域的比例，以獲得投資對整體區域總體乘數效果的最佳化目標。Supposed that the fluid in all the fields will accomplish a transport in down - flow distance a z, the flow in trickle - bed is a m step markov process, where m = z / z ( z - the height of trickle - bed ). according to the theory of random process, the statistic of the markov process will be calculated out from the original distribution and state - transport matrix
假定液體從床層上端面向下流過z距離后，處于各區的流體就實現了一步轉移，則可將床內液體的流動視為從一個初始分佈開始，經過m步（ m = z z ， z為床層高度）轉移的狀態離散、滴流床流率分佈的模擬與整流時間離散的markov過程。When life - threatening accidents occur before the jettisoning of fairing, escape system will bring the astronauts to safety. escape system includes the escape tower and upper fairing
當運載火箭在拋整流罩前發生威脅太空人生命安全的重大故障時，逃逸系統肩負把太空人帶離危險區的重任。Waterways run through the whole area and finally go into huangpu river
便及整個區域的人工河流最後都匯入了黃浦江。Full - wave commutation, compact structure, especially for areas with poor power supply
特點：全波整流，整機功率小，對電源要求不高，適用於電源條件較差的地區。The primary results showed that the hybrid grid method and corresponding mathematical model are especially suitable for simulating complicated flows in forebay of pumping station, in which bottom sill, diversion wall and underwater piers were installed
可以較好地模擬出局部區域復雜的水流流態，生成網路的計算工作量小，能非常方便地進行不同整流方案的計算比較，實用性強。Abstract : in the face of historical opportunity of state carrying out west development strategy, raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful, points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches, analyzes actual reasons of producing problem, under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology, expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region, discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development, improving ecology with agricultural structure regulation, the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
文摘:在國家實施西部大開發戰略，提出退耕還林（草） ，再造山川秀美的歷史機遇面前，針對塔里木河幹流區尤其是下游綠色走廊生態環境惡化的現實問題，分析產生問題的具體原因，闡明在合理開發、利用和配置水資源的前提下，退耕還林（草）是改善生態環境的有力措施以及實施退耕還林（草）對改善該區域生態環境的作用和意義，論述退耕還林（草）應掌握和處理好改善生態與經濟發展、改善生態與農業結構調整、現代技術應用與傳統方式的關系，探討退耕還林（草）中合理的林草比例及科學的林草結合方式。In the face of historical opportunity of state carrying out west development strategy, raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful, points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches, analyzes actual reasons of producing problem, under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology, expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region, discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development, improving ecology with agricultural structure regulation, the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
在國家實施西部大開發戰略，提出退耕還林（草） ，再造山川秀美的歷史機遇面前，針對塔里木河幹流區尤其是下游綠色走廊生態環境惡化的現實問題，分析產生問題的具體原因，闡明在合理開發、利用和配置水資源的前提下，退耕還林（草）是改善生態環境的有力措施以及實施退耕還林（草）對改善該區域生態環境的作用和意義，論述退耕還林（草）應掌握和處理好改善生態與經濟發展、改善生態與農業結構調整、現代技術應用與傳統方式的關系，探討退耕還林（草）中合理的林草比例及科學的林草結合方式。The logistics is a kind of newly arisen and modern servicing business, the logistics center city is not only the whole vital point of logistics of district, but also still has the economic extensive demonstration and generating function in district
摘要物流作為一種新興的現代服務業，物流中心城市不僅是整個區域物流的樞紐，而且還具有對區域經濟廣泛的示範和帶動作用。As an industrial real estate developer and facilitator exclusively invested by xiangyu group co., ltd., xiangyu logistics park is devoted to the development and management of processing zones and logistics parks, to providing standardized distribution facilities and all - around and individualized third - party logistics services, and further to integrating regional logistic resources to optimize supply chains management
廈門象嶼物流園區開發有限公司作為象嶼集團旗下工業物流地產的開發商和服務商，致力於開發經營加工區和物流園區，提供標準化物流設施和全方位個性化的第三方物流服務，進而整合區域物流資源，實現供應鏈管理。Thc gaoyou town industrial zone is located in the city proper, bordering the west side of huanchen road under construction. you can drive directly to the expressway along this road
2倉儲物流區該區西連京杭大運河，向東輻射整個開發區，規劃面積1000畝，目前運河碼頭項目已開工建設。By aggregating industrial environment, basic traffic facility, efficient logistic center and basis in the region ; by fine surrounding service promoted by logistics suppliers and many excellent logistic company ; by promoting good basis of regional logistic developing environment such as high level, punctuate and fluent information plat, science & research and human training, and so on ; by enhancing lots of aspects of logistic comprehensive competition and suitable industrial policy and systematic guarantee, it can accelerate quick and healthy improvement of regional logistics. at the same time, it will raise the situation and effect of regional logistics in the whole country, even in the global logistic net. then, it will farther the improvement of local economy
通過整合區域內的產業環境、基礎的交通設施、高效高水平的物流中心和基地；通過良好的全方位服務的物流供應商及許多優質產業服務公司提供的服務；通過提供高水平、及時和暢通的信息平臺、科研與人才培訓的良好基礎等區域物流發展環境，通過提高物流綜合競爭力的諸多方面和適合的產業政策及體制保障，可以加速區域物流的快速健康、可持續發展，同時將提高本區域物流在全國乃到全球物流網中的地位和作用，從而推動本地經濟的發展。分享友人