調節介質 的英文怎麼說
中文拼音 [diàojiéjièzhí]
調節介質
英文
control agent-
Abstract : in ureide - transporting legumes ， ureides ( allantoin and allantoic acid ) are major transportform of biological fixed nitrogen. the distribution ， properties ， structure and regulation of plant allantoinase were reviewed in detail. the advances in the recent studies on allantoate amidohydrolase and ureidoglycolate amidohydrolase were introduced. and the works desired to be done were pointed out
文摘:全面綜述植物酰脲降解代謝酶的研究現況，概述植物尿囊素酶的分佈、性質、結構，以及調節控制，並簡介植物尿囊酸酰胺水解酶和脲基乙醇酸酰胺水解酶的研究近況，同時指出待研究的方向。Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。After some band structure analysis with the fast method, some interesting results are found for a 2d photonic crystal formed by a rectangular lattice of dielectric material gaas ( e = 11. 4 ) and air
對一種長方晶格結構的光子晶體，通過反復調節介質柱的長、寬和晶格的長、寬，得到該結構最大絕對禁帶寬度= 0 。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。The object to study in this paper is the electric heat reservoir boiler, which is used to supply heat water and bask for the resident population. the use of the system define the character of the output medium with the lower request on quality and parameter, at the same time, it ask the boiler should has the higher character on the respect of the cost, reliability, economy, and so on. hence, the paper carefully design and study the system for the choice and design of the boiler core heating componet, the lay of the heat exchanger, the working status of the heat reservoir equipment, the adjustment and control mode of to supply heat water. the study work mainly include underside some contents, forexample : 1. to confirm the heat medium parameter to adapt the requirements of the most of the heating equipments and to design the instruction of the boiler and heat reservoir as simple as possible
圍繞上述原則，本文從電熱鍋爐核心加熱元件的選型及設計、換熱面的布置、蓄熱設備的運行工況、供熱的調節方式以及控制方法進行了較細致的研究和計算，具體研究工作有以下幾個方面： 1 .根據使用要求，確定適用於多數採暖設備的熱介質參數，設計在結構型式上盡可能簡單的鍋爐和蓄熱器； 2 .對製造加熱元件電熱管的各種材料進行了對比和分析、在結構尺寸上進行了仔細的分析和計算，根據實際使用條件給出合理的設計，使其具有較高的可靠性和使用壽命； 3 .對不同換熱面布置形式進行傳熱分析。Enforcement agencies to promote the implementation of devices installed, it compressed air - driven, export thrust ; regulation valves are part of the implementation of devices to regulate direct contact with the media, regulatory medium flow
執行機構是執行器的推動裝置，它以壓縮空氣為動力，輸出推力；調節閥是執行器的調節部分，直接與介質接觸，調節介質的流量。The new research progress in the effect of forest on rainfall, interception annual runoff, was summarized. the main issues show that the most function of forest vegetation aims at protecting water resources and water environment, adjusting water amount, controlling erosion, decreasing run - off silt, decreasing maximum flow as well as increasing discharge of river in dry season and purifying water quality
本文一方面通過介紹森林水文學的概念、研究進展和實際運用，分析了森林與水相互作用的特點，並從降水、截留、徑流等方面綜合研究森林植被在涵養水源、調節水量、減少徑流泥沙、降低洪峰、增加枯水期流量、改善水質等方面具有的重要功能。This mode of valve is a kind of brand - new patent electromagnetic valve developed by this co., with an electromagnetic block as the auxiliary valve and not directly acting on the switch valve while only through adjusting the force difference between the media to get the switch valve, having lower energy consumption, longer duration, more stable performance etc. notable feratures, compared with the traditional electric valves, and extensively used for various water etc. liquids control system
A型閥是我公司開發的一種新型專利電磁閥。電磁塊作為輔閥，不直接作用於開關閥，僅調節介質壓力差獲得開關閥，與傳統電動閥相比具有耗能低壽命長性能穩定等顯著特點。廣泛應用於各種控水油等流質的控制系統。And we may modulate nickel one - nuclear complexes " optical and thermal properties by designing molecule structures so as to make it a promising organic material
並且鎳單核類化合物可以通過設計分子的結構來調節介質的光學和熱學性質，是一類具有良好應用前景的有機材料。Bioenergetics discusses the principle of biological energy and various biochemical processes related to energy transformation. metabolism and its regulation deals with the metabolism of biomolecules and its regulation. methods in biochemistry provides basic training in the applications of biochemical methods in the qualitative and quantitative estimation of biologically active molecules
生物化學細胞基礎闡述細胞的結構、成分及其功能；生物分子入門介紹體內各種生物分子的結構和特性及其與生物功能的關系；生物能量學探討生物能量的原理，以及各種與能量轉化有關的生化過程；代謝調控機理使學生深入了解生物分子的新陳代謝及其調節控制；生物化學方法使學生掌握分析生物系統及其成分的實驗技巧；蛋白質與Here the account check is the main part discussed, which is the basic practical methods of gaining evidence for proving illegality, and which includes methods of examination, review, check, comparison, analysis, certification, inquiry, inventory check, adjusting, and so on. part iv, defects in the existing investigation system into crime of evading taxes and proposals for improvement. considering the existing facts that the right of investigation of the police agencies and the right of examinatio
其中針對第二部分所述的常見的帳務處理手段，對偵查中要用到的查帳方法，首先介紹了偵查犯罪、取得證據所使用的最基本的實質性技術方法，包括審閱法、復核法、核對法、比較法、分析法、核實法、調查法、盤存法、調節法等，然後仍按稅種劃分對偷逃各稅種的查帳方法做了重點論述。In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,
根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。Sleep / waking cycle is a complex network modulation and many factors such as interleukin - 1 ( il - 1 ), tumor necrosis factor ( tnf ), growth hormone releasing hormone ( ghrh ), vasoactive intestina polypeptide ( vip ) and many conventional neurotransmitters such as serotonin ( 5 - ht ), acetylcholine ( ach ), norepinephrine ( ne ), dopamine ( da ) and gamma - aminobutyric acid ( gaba ) were involved in it. recent evidence has shown that no synthesized in neurons in several areas of the brain can induce the release of neurotransmitters. in the rat central nervous system, the anatomical distribution of nos - containing neurons is now well established, and it was reported that nos is co - localized with neurotransmitters well known for their involvement in sleep mechanisms, i. e. 5 - ht, ach, da and gaba
鄭州大學2003屆碩士畢業論文gaba受體激動劑消除no合成酶抑制劑對大鼠睡/醒周期的影響睡/醒周期的形成是一個復雜的網路調控的結果，體內許多因子都參與了這一調控網路，這些因子如白介素一1 （ il一1 ） 、腫瘤壞死因子（ tnf ） 、生長激素釋放激素（ ghrh ） 、血管活性腸膚（ vip ）以及經典的神經遞質如5一輕色氨（ 5一ht ） 、乙酞膽堿（ ach ） 、去甲腎上腺素（ ne ） 、多巴胺（ da ）和卜氨基丁酸（ gaba ）等，它們在睡眠的發生和調節中也發揮著重要作用。My thesis has three parts : in part 1, i briefly introduce the background of the selected title, the goal of research and research meaning of this text. i mainly study the concept, the theory putted forward by the economists about the reason causing economic fluctuation and the macroeconomic control to economic fluctuations. in part 2, i regard chinese economic cycle as the observing object, using the traditional method and economic mathematical model to measure and analyze chinese economic cycle systematically since the reform, then i study the nature, characteristic and main influencing factor of chinese economic fluctuations since the reform of 20 years
本文的研究工作主要由三部分內容組成：第一部分首先簡要介紹了本文的選題背景、研究的目標和研究意義，然後重點考察了經濟周期的概念、各國經濟學家解釋經濟周期發生原因的一般理論以及經濟周期波動的宏觀調控等內容；第二部分主要以改革開放以來中國經濟周期波動為研究對象，運用傳統方法和經濟數學模型對這一時期中國經濟的周期波動進行了詳細、系統地測定，並考察了改革以來中國經濟周期波動的性質、特徵以及主要影響因素；第三部分重點分析了中國經濟波動的真正原因及其傳遞機制，並在前文研究的基礎上，依據「反周期」理論探討了對中國經濟周期波動進行調節的基本思路和對策。The experiment took water as the medium and experiments on two jet modes were carried out under the falling film vacuum evaporating. the experimental results indicated that the two ejectors in series compensation method could adjust the variational work situation due to the decrease of primary steam or secondary steam and insure the normal production. at the same time, the ejector ' s best work situation founded in the experiment would provide reference for ejector ' s design and usage
本實驗建立了一套降膜真空蒸發裝置，以水為介質，對變工況下單級和串聯噴射熱泵蒸發進行了實驗，結果表明兩級串聯補償噴射裝置能對由引射蒸汽和工組蒸汽壓力降低所造成的混合蒸汽壓力降低進行調節，達到了變工況下正常生產的目的。Our research group proposed a model for osmotic - regulation in guard cell vacuoles ( gcv ), which is depended on reversible disaggregation of particles and modulated by ph in gcv. published evidences for this model show a great increase of the distribution density going with obvious decrease in volume of the particles in gcv of open stomata in comparison with that of the stomata before open ( closed ). during stomatal opening there is an acidification in gcv of about - 0. 5 ph unit
作者所在試驗室提出了保衛細胞液泡內顆粒狀物質在ph介導下可逆解聚的滲透調節模型，並已發表了支持該模型的氣孔開放過程中的實驗證據（氣孔開放前後顆粒狀物的分佈密度極大增加；氣孔開放過程伴隨液泡ph的下降[約0 . 5單位] ） 。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例This kind of reflectors possessed the advantages of the traditional reflectors and the phased arrays. the reflectarray is made up of lots of resonant elements. when the feed radiate the reflectarray, the reflected wave could be focused at some desired direction owing to the adjustment of each element
這種陣列反射天線具有反射天線和陣列天線共同的優勢，它的基本結構就是由大量的無源諧振單元組成的單屏或多屏周期性陣列，然後由一個饋源照射這個天線，通過調節介質板上每個單元對于入射波的散射相位，使得反射波在特定的方向實現同相位，發射出方向性極強的筆形波束。Based on the structure of all optical active fiber ring resonator, dual - tunable er3 + - doped optical fiber ring resonator filter is investigated by adding a tunable bandpass filter to change its wavelength. its finesse can also be tunable by adjusting the pump power. the wavelength tuning range of the dual - tunable fiber ring resonator filter is 39nm, from l526nm to l565nm
在基於摻鉺光纖環形腔結構基礎之上，通過在腔中加入的可調諧介質薄膜濾波器來選擇濾波波長，並通過調節泵浦功率來改變腔精細度，以實現一種濾波波長以及精細度雙可調諧的光纖環形腔結構窄帶濾波器。Valves are control equipment in fluid pipelines. through adjusting valves, medium in the pipeline may get through or be cut off in pipeline. also, the flowing way, pressure and flux of medium can be controlled to protect pipeline and facility
閥門是流體管路的控制裝置，其基本功能是接通或切斷管路介質的流通，改變介質的流動方向，調節介質的壓力和流量，保護管路和設備的正常運行。分享友人