液面高度計 的英文怎麼說

中文拼音 [miàngāo]
液面高度計 英文
tellevel
  • : 名詞(液體) liquid; fluid; juice
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 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...
  • 高度 : altitudeheightelevation
  1. First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field

    首先,對體介質的靜電霧化機理作了初步的探討,理論上分析了體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對體荷電方法進行了研究分析,對于電導率的體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣體,需用浸潤電極荷電和感應荷電方法使其充分帶電;最後,根據前的研究分析,設和組裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同體介質進行壓靜電霧化試驗,並對試驗結果進行分析處理,總結出體靜電霧化與體表張力、電導率和粘的關系及電壓對體靜電霧化的影響等,得出壓靜電場中體霧化的一般規律。
  2. On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced

    在推力矢量試車臺設,設了自動壓原位校準系統、原位校準方案以及大剛萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案,提了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法,推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法,並算了推力矢量測量精
  3. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對空微波輻射探測雲中路徑積分態水含量( l )的輻射傳輸原理和反演方法;根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲水垂直分佈模式,得到這兩個地區4 - 7月各月的隨而變的反演公式及其系數的表達式;探索了和反演系數有關系的大氣的影響,並在各個月份之間進行了比較分析;給出了反演誤差的數值模擬檢驗結果:在地反演值對『真值』的統相對偏差是15 - 25 ,在6公里處為5 - 10 ,表明該方法已具有實用可接受的精
  4. 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、當今水平和提自動化程的若干新技術;研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設方法;選取污水處理中的典型參數溫、溶解氧、 ph值和位等為控制對象,設了以個人算機為上位機、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思路、工作過程,這些程序模塊是:用級語言visualbasic6 . 0開發的上位機人機交互界程序、數據處理和圖表輸出程序,用執行效率的匯編語言開發的下位機數據採集與系統監控程序、上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。
  5. This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed

    本文針對溫環境下化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的化氣壓力容器的溫場分佈、強算、裂紋擴展預測以及爆炸事故機理等方開展了多學科的交叉研究。
  6. Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %

    當入射空氣的壓強、氣流量,,出氣孔直徑增大時,氣泡直徑隨之增大;當出氣孔數量,體粘增大時,氣泡直徑減小,表張力對氣泡直徑的影響可以忽略不;靜態條件下體表氣泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。
  7. The who classification states that acute lymphocytic leukemia ( all ) should be classified by the pattern of reactivity of cell to a panel of lineage - associated antibodies and, where possible, genetic abnormalities. the expression of cd antigens on leukocytes is currently determined by flow cytimertry, which is expensive and labor - intensive, requiring 5 - 20ul quantities of fluores - cently labeled antibodies and allowing concurrent analysis for a limited number of cd antigens, usually three to four. from clinical point of view, an efficient method is required for analysis of a large number of samples in a single experiment

    我們設了一種新型的細胞晶元,其原理是充分利用玻片的硬,透明性好的特點,應用細胞膜表不同的抗原物質,與包被在玻片上的不同抗體發生特異性結合,通過一次實驗可以將被測細胞懸中不同膜表型的細胞分離、固定在同一張玻片的不同特定區域,保持了細胞的完整性及活性,又可通過簡單的操作一次將多細胞懸進行免疫分群。
  8. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的速率方程為基礎,提出了ld端泵浦nd : yag激光器的設方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的功率ld泵浦nd : yag激光腔內插入一隻空晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端位置對激光輸出功率的影響規律,提出了ld端泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成斯變化規律,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏,當端泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  9. The reflector can increase the neutron flux obviously and the main processes of the neutron yield in reflector are spallation reaction induced by energetic hadrons and ( n, 2n ) reaction. when the moderator height is equal to the distance between the upper part and the lower part of the split target, the total neutron flux of the split target will be higher by 20. 1 % than that of the integral one. secondly, the high - energy neutron escaping from the target will enter into the moderator and be slowed down

    得到經水慢化器慢化后,中子通量在慢化器厚方向上的分佈;比較了水與態氫的慢化能力以及中子在水、態氫、態甲烷這三種慢化器慢化后的能譜;在csns的靶站設中,引出慢中子的導管不完全位於慢化器中子引出的法線方向上,因此進一步算了中子通量角分佈。
  10. The autonomous underwater vehicle which carries liquid oxidizer and liquid incendiary agent and uses the outside seawater as coolant request the oxidizer 、 incendiary agent and coolant can supply the power system according to accurate proportion and reasonable flow on any condition. the system should have small volume and light weight and should be easily realized. the system and control mode introduced in this article can fit these requirements well

    控制或降低壓系統油的污染和提壓元件的污染耐受能力是確保壓系統可靠工作的兩個重要方,本文分析了壓柱塞泵所在系統油污染特性一定時影響泵污染耐受能力的諸多因素,指出了在結構形式確定的條件下設污染耐受壓柱塞泵所要求的摩擦副材料與主要表工藝
  11. The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

    該體系具有非理想性,氣相平衡模型採用nrtl - hoc和uniquac - hoc模型,採用切平判據法對進入分層器中的相進行相穩定性測試,提供相分離算的初值,再結合牛頓拉夫森迭代法運算求得相分割系數,根據物料衡算求出各相組成,循環迭代可求得分層各組分數據,共沸精餾模擬算採用那夫塔列-山德荷姆全變量迭代演算法。
  12. In order to drive the lcd with high resolution and improve the displaying quality, people designed a tft ( thin - film transistor ) on every pixel of lcd to control display pixels independently

    而在解析晶顯示器中,為了提顯示畫的質量。人們在每個顯示像素上設了一個非線性的有源薄膜晶體管( tft thinfilmtransistor )來對每一個晶像素進行獨立驅動。
  13. Design of ultrasonic ranging system for liquid caging

    超聲波測量罐中的系統設
  14. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精要求的不同,利用s7 - 200plc基本單元中內置的數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械壓隨動系統具有步進電機電轉換元件,採用五相反應式步進電機,根據其驅動特性設了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介
  15. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設中用三種方法來進行水位測量,分別是旋轉編碼器法、位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了集成的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;集成16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設中完成了ad421與單片機的spi介任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設;與上位機的通信介,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設還包括報警電路設、操作鍵盤設、電源監控電路設、電壓基準電路的設
  16. In this thesis, the calibration, laying and measuring error of the concentric capacitance fuel sensor are researched. and the major work is following : 1. taking the fuel entity of fully - filled airplane oil tank as studying object, the outhor calculates the central points of the section contours and the volume of the remnant fuel under the section height by means of numerical calculation

    本文研究了同心電容式油量傳感器的標定、敷設和誤差分析的方法,主要工作如下: ( 1 )以飛機油箱滿載狀態下的油實體為研究對象,用數值方法算出實體模型各剖積中心點和各剖下的油體積值。
  17. In this method, fuzzy design principle is adopted, and 6 influential parameters such as pump injection and discharge capacity, total construction time, fracture height, fracturing fluid efficiency, formation pressure and areal stain module are considered

    該方法採用模糊設原理,並綜合考慮了泵注排量、總施工時間、裂縫、壓裂效率、儲層壓力以及平應變模量等6項影響參數。
  18. Program of the model was built and having a mathematical simulation. and perfoimed a detailed analysis of the simulation result of the important characterize parameter, the height of advance, the height of the absorption ' s liquor face, and the difference of the libr density

    對氣泡泵的主要的特性參數,直徑,提升,吸收器,製冷量,濃差的相互關系,在文中進行了詳盡的數值模擬算,並對模擬結果進行了理論分析。
  19. If same mediums are measured, the digital collections from every lay should be same or near, otherwise should be rather different. utilizing this phenomenon, the lay where the interface is can be judged, the interface or liquid - level height can be calculated

    如果測量的是同一介質,各段採集的數字量應該一致或接近,反之則有較大差異,利用該現象可以判斷出介質分界的層段,就能算出界
  20. Usin g classified method of fuzzy sets theory, a simple and practical algorithm has been developed, which is also applicale to measure an oil wells level automatically and to improve the measurement precision

    該演算法具有概念清晰、算簡單、實用性強的特點,可實現油井的自動監測,並提測量準確
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