節流式流量計 的英文怎麼說
中文拼音 [jiéliúshìliúliángjì]
節流式流量計
英文
orifice meter- 節 : 節構詞成分。
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 節流 : 1. (節省經費開支) reduce expenditure 2. [工業] orificing; choke; throttle down, throttle back; throttle
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
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The change of indoor contaminating material concentration is dynamical simulated by adjusting the flow of fiowrator. at the same time, the path formulas of simulate pollutant source is modified by experiment, and providing theoretical base for dynamic simulation
通過調節轉子流量計的流量來達到動態模擬室內污染物質濃度的變化情況,並根據對實驗結果的修正得出裝配式潔凈室室內模擬污染源的軌跡方程,為動態模擬提供了理論依據。After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。( 2 ) assistant signals each other dispel. according to three impulse control water lever error, designing three impulse pid cascade control system
根據三沖量水位調節系統控制水位誤差,設計採用了三沖量pid串級控制方式,採用輔助信號蒸汽流量和給水流量對消方法消除水位偏差。The condition of profiles in outer station did n ' t change much in spring cruise, but showed more variable in near - shore stations when observed in different time. fluorescent characteristic per cell can be obtained by flowcytometric analysis. based on fluorescence data of synechococcus of all stations, two distinctly pigment - containing cell types coexisting can be found in some stations of east china sea, which located in all depth of p3, mixlayer of e7, 40 - meter depth of e6 of autumn cruise and in mixlayer of p2 of spring cruise
通過對流式細胞計測量的細胞熒光結果來看,在秋季的p3 、 e7整個混合層、 e6站40米層,春季的p2站均發現有兩群不同色素含量的聚球藻( high一pe和low一pe )共存現象,極有可能分別屬于不同品系,春季共存站位位置比秋季時更靠外,表明在秋季p3 、 e7等站位的共存是季節性現象,可能與此季節黑潮次表層水沿陸架坡涌升入侵到中陸架有關,水團的運動及混合使從外海遷移而來的high一pe與近岸的low一pe得以共存,在春季,由於長江沖淡水的日漸強盛,在中陸架區的共存區域有所外移。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good
我們知道當節點矢量的兩端節點均為k重節點且無內節點時, b樣條基函數退化為bemstein多項式,因此該生成演算法還可推廣到b能ier曲線中,具有廣泛的應用價值、同樣地,在cad和cagd中,有理b樣條曲線,特別是非均勻有理b樣條曲線( nurbs )已經成為曲線曲面設計中最廣為流行的技術,然而對這些曲線目前也尚無很好的曲線生成演算法,因此有理b樣條曲線的生成演算法無疑有著更重要的意義Based on advanced technology, this thesis bring forward the optimal scheme and set down general system - drawings and flow charts. using step7 - micro software, we achieve the auto - control aim in drinking water treatment. in practice, the complexity and non - linaerity exit in the system of water treatment, so we apply fuzzy control in water treatment and design a kind of controller which structure can be altered according to the using - rate of ozone and the variety of water quality
實際飲用水處理系統由於存在復雜性、非線性、時變性,本文根據臭氧生物活性炭水處理工藝存在復雜性、非線性、時變性等特點,將模糊控制應用在水處理這一不確定的非線性時變系統,針對不同水溫下臭氧利用率及水質的變化,設計一種基於系統過程狀態的變結構的模糊控制器,以單片機作為主要控制硬體,按查表方式設計軟體,對進水閥門開度進行在線控制,調節臭氧氣體與進水的比例(臭氧流量及濃度不變) ,達到氣水比最優化。With the actual sales data, the demand forecasting model has been testified and proved to be reliable. the inventory items to be managed have been determined based on the related producing process, the ingredient requirements and the material - consuming indicators. through the example of demand in 2004, the required practical calculation formulas, decision tools, and the actual steps for cycle inventory and safety inventory management between any adjacent firms of hongfu ammonia - phosphate supply chain are presented, and the managerial levers from inventory management perspective to improve the performance and to decrease the cost of hongfu ammonia - phosphate supply chain are carried out, so are the deduced inventory management policies
根據相關工藝流程、成分組成、工藝技術消耗指標,用excel建立了「宏福磷酸銨工藝技術消耗指標」表,利用它可以高效率地計算出宏福磷酸銨庫存管理項目和數量,並利用它具體地明確了宏福磷酸銨2004年的庫存管理涉及的具體科目和各科目的數量;指出了宏福磷酸銨供應鏈中各主要環節的周轉庫存管理和安全庫存管理的基本思路、要平衡的成本項目、要奔赴的目標、公式的推導、具體操作步驟、決策工具。Through experimental research, the calculation formula that the pressure highly - adjusted capacity of two cylinder chambers varied with the change of step load and the formula about hydraulic elements main parameter ( rated pressure ) were both made, which had important valuation in selecting the main parameter about this hydraulic system
通過試驗研究得出了出口節流調速系統中液壓缸兩腔壓力超調量隨負載變化的計算公式以及出口節流調速系統中液壓元件主參數(額定壓力)計算公式,有利於正確選擇系統的元件及主參數。Calculation of the current rating of electric cables. part 1 : current rating equations 100 % load factor and calculation of losses. section 2 : sheath eddy current loss factors for two circuits in flat formation
電纜載流量計算.第1部分:載流量公式100 %負荷因數和損耗計算.第2節:雙迴路平面排列電纜金屬套渦流損耗因數In order to improve measurement precision and display fidelity of the instrument, three new methods of nonlinear calibration of thermal instruments, which are based on intelligent control theory, are presented in this paper, such as nonlinear compensation of zr02 oxygen measurement instrument using bp nn, nonlinear calibration of temperature measurement sensors using cmac nn and nonlinear identification of throttle flow meter using ga. these methods prove to be not only simple but also effective
火電廠熱工儀表普遍存在非線性特性,為了提高參數測量的準確度和儀表顯示的精確度,基於智能控制理論,文中提出了熱工儀表非線性校正的新方法: bp神經網路補償氧化鋯氧量計非線性特性的方法、 cmac神經網路校正測溫傳感器非線性特性的方法、遺傳演算法辯識節流式流量儀表非線性特性的方法。By citing distribution piping loss curve, analyses the two commonly used control methods of constant pump head and constant remote circuit differential pressure and considers that control with a constant remote circuit differential pressure is the better
通過提出輸配管壓損曲線概念,從理論上分析了計量供熱變流量系統循環水泵常用的恆揚程式控制制和恆定最不利環路壓降控制兩種方案,認為恆定最不利用戶資用壓力方案節能效果較好。( 2 ) in term of two cases that being upstream long - liu regulation or not, solved optimal model to obtained compensation results of water supply and generation electricity. the ning - meng system increased water 17. 08 * 10a8 m3, the downstream system increased 7. 13 * 10a8 m3 ; the runoff power stations increased generation 8. 93 * 10a8 kw - h, the san - xiao increased 9. 10 * 10a8 kw - h
( 2 )按照「無」龍劉調節和「有」龍劉調節兩種情況,分別進行模型求解計算,對比分析得到黃河上游水電站為中下游提供的水量以及電量補償調節結果:多年平均上游水電站為寧蒙灌區增加有效供水17 . 08億m ~ 3 ,為下游省市增加有效供水7 . 13億m ~ 3 ;為上游徑流式電站增加電量8 . 93億kw ? h ,為三小增加電量9 . 10億kw ? h 。Calculation of the current rating of electric cables. part 1 : current rating equations 100 % load factor and calculation of losses. section 1 : general
電纜載流量計算.第1部分:載流量公式100 %負荷因數和損耗計算.第1節:一般規定The technology of micro - electronics and calculation method was fully made in the system. how to improve the accuracy of standard orifice measurement is also discussed from the following aspects : the means of measurement and transmitter, online correction of measurement parameter and abnormal condition. all those means are used to overcome its shortcomings of less scale of measurement range, short period of checkout, more tache of maintenance and low accuracy of measure
該系統充分利用微電子技術和計算技術以及通過實際現場總結的經驗,主要從測量與變送環節採取的措施、相關參數的在線實時補償演算法、非正常情況的在線補償三個方面對如何提高量精度加以論述,盡可能地彌補孔板差壓式流量計量程比較小、檢定周期短、維護環節多、準確度低的不足。Due to the existing volatility, stochastic and dynamic properties of cash flow, this paper employs exponential smoothing method and moving average method to eliminate the effects of the stochastic factors, use the seasonal exponent to eliminate the seasonal volatility of the cash flow, the exponent curve and polynomial fitting curve to estimate the overall cash flow and also provides the calculating methods and identifying principle of the overall cash flow
由於現金流量的波動性、隨機性、動態性等特性的存在,依靠單一方法無法科學、準確的預測現金流量。論文提出利用指數平滑和移動平滑的方法來剔除隨機因素影響,利用季節指數來消除現金流量的季節波動,之後再利用指數曲線或者多項式擬合曲線來預測整體現金流量的方法,並給出了整體現金流量的計算方法和確定原理。Chapter 14 - natural gas fluids measurement, section 3 - concentric, square - edged orifice meters, part 2 - specification and installation requirements
第14章:液化天然氣的測量.第3節:同心式方緣噴孔流量計.第2部分:規范和安裝要求The telemetry delays for each tool have been standardization as channel alphabetical letters. so the telemetry gauge and interface circuit of tools are designed in this paper. the temperature data of the new kind of telemetry tools has special format consisting of an 8 bit digital temperature wore over an 8 frame time period for its high frequency and the data of flowmeter is uplinked on two time dot to determine downhole or uphole rotational direction
本文重新設計了新型遙傳短節和參數測量儀器的介面電路,部分參數的介面電路完全採用硬體電路實現;針對溫度參數的數據頻率高於新型遙傳方式可傳輸頻率范圍的矛盾,提出了按「位」傳輸的新方式;基於流量參數特有的方向性,對流量數據採用了兩道傳輸的方式。He then explained cdm in its project cycle, project eligibility, baseline and additionality, its flow - chart approach, and in specific its validation including the approved methodologies, ssc projects categories and the validation process
他重點介紹了cdm項目的流程圖和項目合格標準,減排量計量基準與額外性和流程式方法,並介紹了審定流程方法學及審定過程各環節。The research improved on the structure of flux control valve, and reduced obviously the excess of the system, and built up the stabilization of the system, while implemented the distributed system software. the instance showed that the distributed system software can be realized, and proved the exactness of the system resolve project, the design of the system consistent with the requirements
在實現了分散式測控系統軟體的同時,改進了流量調節閥系統的結構,顯著地降低了該系統的超調量,增強了系統的穩定性。這個實例說明了的分散式測控系統的軟體是可以實現的,證明了系統的解決方案是正確的,系統的設計是符合要求的。分享友人