過量迴流 的英文怎麼說
中文拼音 [guòliánghuíliú]
過量迴流
英文
excess reflux-
The process of preparing sodium pyroantimonate by oxidative reflux method from antimonous oxide using hydrogen peroxide solution as on oxidatct was studied and the optimal processing conditions were determined by the quality analysis of the products
摘要本文研究了以三氧化二銻為原料、過氧化氫為氧化劑、常壓氧化迴流法制備銻酸鈉的工藝過程，並通過產品質量分析確定了適宜的制備工藝條件。Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions
前置數據採集模塊完成16路溫度信號的採集和通訊；速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度；開關量輸出模塊通過固態繼電器對加熱管進行控制；上位機軟體採用delphi編程，實現了pid參數自整定以及無超調的溫度控制。On basis of the technology of activated sludge, the thesis researches how to accomplish the automatic control system of daily sewage processing unit on ship. the thesis discusses the control of the sludge of first deposit pool, do of aeration pool, the refluent sludge, the waste sludge, the amount of medicament and the allocation of flow in detail. because the aeration pool is very important in the system, the thesis discusses it at length including the control of air - blower and so on
在活性污泥法工藝特點的基礎上，文章研究整個污水處理過程自控系統的實現，具體討論了初沉池污泥、曝氣池溶解氧、污泥迴流、污泥廢棄、藥劑投放以及流量分配等控制迴路的實現，由於整個系統中曝氣池作用尤為重要，因此對其進行了全面的討論，包括利用變頻風機、控制解耦等方法。Heart failure gratified the function is not complete, it is to show the case that has circumfluence of blood of right amount vein falls, because the heart is long - term bear is overweight or heart myapathies caustic makes force of cardiac muscle systole drops, heart cannot enough blood satisfies eduction constituent metabolization need so that all round constituent perfusion inadequacy and pulmonary circulation or blood of systematic circulation yu, a series of clinical symptoms that appear thereby and body are asked for, say for heart failure
心力衰竭又稱心功能不全，是指有適量靜脈血迴流的情況下，由於心臟長期負荷過重或心肌病損使心肌收縮力下降，心臟不能排出足夠血液滿足組織代謝需要以至於四周組織灌注不足和肺循環或體循環瘀血，從而出現的一系列臨床癥狀和體征，稱之為心力衰竭。An integrated process of wastewater treatment and utilization is presented. the process is made up of heating the soft water of room temperature by high temperature printing and dyeing wastewater via heat exchangers, reusing the low level base decrement wastewater of water washing for dust control and desulphurizing of stack gas and anaeration - aeration biological treatment of printing and dyeing wastewater. this process has fair economical benefit on the principle of so called waste control by waste itself. this might be an ideal process for printing and dyeing wastewater treatment and disposal, the effluent of this process is quite enough to meet the requirement of urban sewer collector. additionally also many advantages are attractive such as the complete return of biological sludge to digestion, no chemicals dosage and free of secondary pollution
介紹了高溫印染廢水通過熱交換加熱常溫軟水、低濃度堿減量水洗廢水用於煙道氣除塵脫硫、厭氧-好氧處理一般印染廢水等印染廢水綜合處理技術，該技術具有較好的經濟效益，達到了以廢治廢的目的，生物污泥全部迴流硝化，不加任何藥劑，無二次污染，處理后水質達到城市截污管網標準要求，是一種較為理想的印染廢水處理工藝。According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly
通過研究大量測井、錄井資料和巖芯資料，依據「旋迴對比，分級控制」的原則，把研究區高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究區巖性、沉積構造、古生物、沉積序列、巖石組合及測井曲線特徵進行研究的基礎上，認為研究區高臺子油層屬於三角洲前緣亞相沉積，並將研究區沉積微相劃分為：水下分流河道、河口壩、水下分流河道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類型。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點，發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下，通過調節焊接迴路中的電感量和電源電壓，可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行，並且熄弧時間最短時，短路過渡頻率最高，在這種情況下，飛濺小，焊道成型好，焊接過程穩定Fluid network was divided into a lot of independent loops. through changing states of valves, i got pipe flux and pipe pressure drop. based on pressure balance equation, i built the differential equation system, solved the differential equation system, and acquired resistance coefficients of pipes and component
並將流體網路圖分解為一個個獨立迴路，通過改變閥門的狀態，來獲取迴路各管段流量和壓力損失，根據迴路壓力平衡方程，建立方程組，對方程組進行了求解，解出了各未知管段、流體器件的阻力系數。The results indicate that the position of sensitive plates is located at the section of middle or upper in tower but not near by feeding plate, and the smaller reflux ratio, the closer overhead of distillation tower. accurate calculation for flash is solved using matlab, and the result is correct and reasonable. complicated multi - components distillation and crude distillation are simulated using chemcad, and results are reasonable about profiles of flow for vapor and liquid as well as temperature in the tower
數值分析的結果表明精餾塔靈敏板位置並不在進料板附近，而是位於精餾段的中上部，且迴流比愈小，愈靠近塔頂;利用matlab實現了蒸餾過程的嚴格計算，與參考值比較，結果正確、合理;藉助于chemcad進行常減壓塔的穩態模擬計算，得出了流量和溫度在塔內的分佈，經過理論分析，結果合理，可為實際生產提供參考。Based on using the performance forecast model of centrifugal compressor, this paper the analyze is carried out on the performance forecast for centrifugal compressor and surge model of centrifugal compressor is established on its system. surge line of this system is obtained according to the performance similar principle. performance forecast software is compiled by using matlab at the same time
本文在離心壓縮機性能預測模型的理論基礎上，對離心壓縮機進行性能預測分析，並建立系統的喘振模型，然後利用性能相似原理，得到離心壓縮機系統喘振線，同時利用matlab編制離心壓縮機性能預測軟體，應用於防喘振控制中，較好地解決了離心壓縮機因喘振現象而停機或為防止喘振現象的發生而過分加大迴流量，造成能源浪費的問題。The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules
首先，通過對電壓互感器二次壓降的形成機理進行分析，得出以下關於二次壓降的相關結論： 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘積； 2 、電壓互感器二次迴路阻抗分為元器件自身阻抗和接觸阻抗兩部分，且接觸阻抗佔主要部分，從而使得電壓互感器二次迴路阻抗具有動態特性，而且具有一定的隨機性； 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關，因而二次迴路電流也是變化的； 4 、電壓互感器二次壓降是一個變化量，且具有單向性和一定的隨機性。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。And, we also have had the relation between the size of the horizontal circulation regions and the fr number around the dike for the flow - deflection method. the results of this study show that, using the method of flow - deflection or " sucking - spouting " water, the flow pattern can be improved, the size of the horizontal circulation regions and the sedimentation volume caused by the horizontal circulation can both be reduced. so, they can be adopted to improve the navigation condition of upper approaching channel of three gorges project, which could guarantee the safety of navigation
通過試驗，得到了以下創新的成果： 1 、不加吸、噴水時，丁壩后的迴流長度約為丁壩長度的8倍； 2 、加吸、噴水可以減小丁壩后的迴流尺度和強度，並得出了有理論根據的吸、噴流量與迴流尺度減小之間的定量關系以及吸、噴流量與丁壩周圍流速梯度之間的定量關系； 3 、加吸、噴水可以減小迴流淤積，並得出了吸、噴流量與淤積量減小之間的定量關系以及迴流尺度減小與淤積量減小之間的定量關系； 4 、加導流板可以減小丁壩后的迴流尺度，並得出了丁壩周圍的水流fr數與迴流尺度減小之間的定量關系。First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend
首先由於它的揚程較高、流量較小，所以它的流道狹長，圓盤摩擦損失較大，效率相對較低；其次由於它的流道擴散較嚴重，易在葉片進口產生迴流和在出口產生脫流，揚程流量特性曲線易出現駝峰，在小流量工況下易產生不穩定現象；第三，由於其功率流量曲線呈現上升趨勢，在大流量區運行時電機易過載。Flow details of measurement indicate that the coupling of periodic separated flow ( such as low frequency swinging of separation line ) with nozzle flow may cause aft - end internal flow unsteady. recirculation flow gains more energy from the main flow, at the same time the turbulence intensity increases
通過對測量結果的分析，我們認為分離流動的周期性（如分離線的低頻擺動）與噴管流動相耦合，會造成燃燒室尾部流動的非穩態效應增強，增加了迴流區從主流中獲得的能量，也加劇了流場的湍流脈動。When the velocity of methane is unchangeable, the more fuel / air is, the intensity of circumfluence is stronger. when the centrifugal force is added, the intensity of circumfluence is increased along with the increase of centrifugal force
當甲烷速度不變，隨著過量空氣系數的增加，迴流區的強度增加；當加離心力時，隨著離心加速度的增加，迴流區的強度增加。The fields of the paper involves multiple techniques of electron, computer, autocontrol, mcu, emc. the innovation and key problem to this thesis is to ascertain pid tunning rules by a great deal of experiments, study syetem ' s emc problems
論文的創新之處和解決的關鍵問題： 1 ：通過大量的綜合試驗確定了適合迴流焊系統的pid參數整定規則2 ：對基於微控制器的控制系統進行了電磁兼容性研究。This thesis is founded on the investigation of the ion migration of 500kv dc ceramic support insulators for the production of the 500kv dc ceramic support insulators. in the test system, we added the grounding switch for each circuit and the mutual switch, prescribed the four status of the current measuring program, making the measurement system more stabile
在對離子遷移試驗研究的過程中，對原有離子遷移試驗測量系統進行了改進，通過為每路泄漏電流迴路設置接地開關及公共測量開關，並在軟體上為測量迴路設定4種狀態，提高了測量系統的穩定性。In - line flow restrictor protects the meter measuring element and the backflow preventer components from damage due to excessive flow
管內流量限制器保護儀表測量元件和防迴流閥部件不會因為過大的流量而受到損壞。This is provided to protect the measuring element from over speeding when the meter discharges to atmosphere. also, prevents damage to the backflow preventer due to excessive flow
當儀表排放到大氣時，這種裝置保護測量元件不會受到過高流速的破壞。此外，也防止防迴流閥受到過大流量的破壞。分享友人