液上技術 的英文怎麼說

中文拼音 [shàngshù]
液上技術 英文
head space technique
  • : 名詞(液體) liquid; fluid; juice
  • : 上名詞[語言學] (指上聲) falling-rising tone
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  1. Nordon cryogenie heat exchangers are used in gas processing plants as air separation stations ( oxygen, nitrogen, azote ), lpg ( liquefied petroleum gas ) stations and lng ( liquefied natural gas ) stations and plants to produce chemicals ( ethylene …

    諾頓深冷公司生產的換熱器主要用在空氣分離(生產氧氣,氮氣,氬氣) ,化石油氣和化天然氣和化工廠(乙烯生產) 。
  2. First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec

    首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端雙鍵,得到帶末端雙鍵的熒光指示劑3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然後通過乳聚合將mec共價固定到聚甲基丙烯酸丁酯基體,制得一種共價固定了mec的聚合物顆粒。
  3. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速改變壓泵轉速的容積調速新方法,提出了在壓系統中加一個定差減壓閥的新思路,較好地解決了壓伺服系統存在的述問題。
  4. Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system, i have analyzed the principle of this hydraulic control system, and made its mathematics model ? in double - cylinder hydraulic system, it is necessary to process electric synchronous control in this hydraulic system, this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory, and clarifies the principle of applying that network to achieve synchronous controlo at the same time, the means of fuzzy configuration analysis is used for network training, the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible, furthermore, its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance, the basic project, structure, applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure, epigynous and hypogynous machine network, is applied to this system, in accord with the application of technique such as plc, integrated software etc, this paper introduces the methods and application to achieve the computerized scada system in the task, and analyzes the characteristic of this system, in this paper, the application of configuration in monitor and control system of vessel gate is discussedo in addition, in accord with the application of technique such as visual basicb

    雙缸船閘壓啟閉控制系統要求解決同步控制問題,文中從智能控制理論角度出發,採用了一種改進的模糊神經網路,結合模糊聚類分析方法,闡述了應用該網路實現同步控制的原理。通過對比模擬實驗表明:應用模糊補經網路實現同步控制是可行的,而且它的同步控制效果要優于傳統的設置主從令缸控制方法,具有良好的魯棒性能。另外,本文提出了建立船閘控制系統的分散式控制系統,介紹了船閘壓控制系統的計算機監控系統( scada )的方案、結構、應用和主要功能,採用雙層網路化結構:位機網路和下位機網路,並結合plc通信網路和組態軟體等構成的計算機監控系統的實現方法,實際應用,分析了這種較新的系統模式在船閘壓控制系統的計算機監控系統的功能實現中所具有的特點。
  5. With the deveiopment of hydraulic technology, hydraulic system and hydraulicequipment are more complicated, hydraulic technology is more widely and morecomp1icatedly used in agricultural machine and their malfunction is more difficu1t to bedetected. fault diagnosis of hydraulic system is not as apt to be observed as that of themechanical equipmeflt or is not as easy to be detected as that of electric equipmeflt bymu1tipurpose meter or other meters. flux meter gage and pressure gage ca n ' t meet the needof fault diagnosis for hydraulic system because its working medium and workingcomponents are hiding inside the sealed vessel

    隨著的發展,壓系統及壓設備越來越復雜,在農機的應用也變得廣泛而復雜,農機壓系統的故障診斷也越來越困難,壓系統的故障診斷不象機械設備那樣直觀,也不象電氣設備那樣通過萬用表等儀器測得,壓系統的工作介質和工作部件都在密閉的容腔內,流量計、壓力表等測量儀器遠遠不能滿足故障診斷的需求。
  6. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工及其現場質量檢測方法進行了較全面的探討。
  7. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用述的一系列,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工的研製成功,對其他相似類型零件的加工亦具有參考意義
  8. 3 we provides drilling fluids engineering services both offshore and onshore

    我們為海和陸地鉆井提供鉆井工程服務。
  9. Application of soft - start technique with liquid - electrolytic rheostat to ball mill

    變阻軟起動在球磨機的應用
  10. The main conclusions with innovative features acquired from the present work are as follows : ( 1 ) soft solution processing technique for preparing functional thin films was put forward and applied to preparing advanced inorganic functional thin films ; a series of molybdate and tungstate films with scheelite - type were prepared directly on metal substrates ( molybdenum and tungsten foils ) by using constant current electrochemical technique at room temperature ; a series of titanate thin films with perovskite - type were synthesized directly on titanium flakes by hydrothermal method in our country for the first time

    通過述研究工作,得到了如下具有創新性研究成果: ( 1 )首次在國內提出和運用軟溶制備工藝進行無機功能薄膜材料的制備研究;首次在國內採用室溫恆電流電化學直接在金屬基底(鉬片和鎢四川大學博士學位論文片)制備了白鎢礦結構的鋁酸鹽、鎢酸鹽薄膜;首次在國內採用水熱合成在欽金屬片直接沛叮備了鈣欽礦結構的欽酸鹽薄膜。
  11. Abstract : the analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper, a hydraulic control system with electro - hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed. it can improve the quality of the lap, simplify system design and reduce cost. therefore, it is a very promising scutcher machine control system

    文摘:在分析了機械式和氣動成卷機成卷壓力控制系統的基礎,提出了一種採用電比例控制的成卷機控制系統.它不僅可以提高成卷質量,而且可以簡化系統設計,降低成本,是一種有希望的成卷機成卷壓力控制系統
  12. Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg

    文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工的實用化提供參考依據。
  13. Ethanol separation factor of 6. 0 was achieved by vmd, which demonstrates that vmd is a promising separation technology. the mechanism of heat and mass transfer for vmd was also investigated

    當用真空膜蒸餾脫除水溶中的乙醇時,分離因子可達到6 . 0以,說明真空膜蒸餾脫除水溶中的voc效果較好。
  14. Introduction of the current status and development of key technologies of the three - dimensional contour measurement. creation of the measuring means of free curved surfaces of objects, based on the passive stereo visual technology and the active liquid crystal grating encoding technology

    綜合結構光法和立體視覺法,在對傳統視覺傳感器結構統一的基礎,提出了基於被動式雙目立體視差和主動式晶光柵編碼傳感器,實現物體的三維形貌數字化測量。
  15. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性,並在此基礎以不同尺寸( 42 362 m )的鑄造碳化鎢顆粒為增強體,採用真空熱壓相燒結制備了不同顆粒含量( 0 45vol . )的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料;以不同粒度的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  16. Hada mountain embankment dam is located at strong motion earthquake area with 7 degree. it is a sand - fill dam with clay core, stability of the dam under earthquake and the preventive of foundation liquescence is very important for the dam design

    哈達山土壩是位於七度地震區,坐落在厚覆蓋層的粘土心墻砂殼壩,壩體的抗震穩定、基礎的抗震化是本工程的關鍵問題。
  17. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法;選取污水處理中的典型參數溫度、溶解氧、 ph值和位等為控制對象,設計了以個人計算機為位機、以8098單片機為下位機,並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統( dcs ) ;介紹了幾個主要程序模塊的設計思路、工作過程,這些程序模塊是:用高級語言visualbasic6 . 0開發的位機人機交互界面程序、數據處理和圖表輸出程序,用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、位機與下位機之間的數據通信程序,匯編語言與vb之間的轉接程序,等等。
  18. Standard test method for residual vinyl chloride monomer in poly vinyl chloride resins by gas chromatographic headspace technique

    用氣相色譜液上技術測定聚氯乙烯樹脂中殘余氯乙烯單體的標準試驗方法
  19. During the designing of the electricity control system, the thesis used the mode that made up of monitor system and control system, formatted a network that is combined by far concentrates control system and nearly control system. the monitor system chooses the functional monitoring software - the king monitor and the man - machine interface, which operated conveniently. and the control system chooses dependably programmable logic controller and advance profibus fieldbus to completely control the spot equipments. author hopes the thesis ' s researches can do a little for the development of the water power control technique, and the combination of the hydraulic technique and the advanced technique, author also hoping heartily the control technique of the our country develop quickly

    位機選用功能強大的工控組態軟體? ?組態王和操作方便靈活的觸摸屏。下位機則採用可靠性高的可編程式控制制器和先進的profibus現場總線完成對現場設備的控制。作者希望通過該課題的研究,能夠對水電行業控制的發展,對與當今先進更好的相結合,起到一定的促進作用,也衷心地希望我國的控制取得飛速的發展。
  20. In addition, with the development of the hydraulic technology, the experiment table may be in step with the developing need of the hydraulic teaching by applying the enlarged module of the plc and ameliorating the pc control program

    不僅如此,而且隨著的發展,該實驗臺可以通過增加可編程式控制制器的開關量和模擬量擴展模塊,並且完善相應的位機數據採集控製程序,增加相應的控制柜所需按鈕,滿足不斷發展的壓教學需要。
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