liquid model 中文意思是什麼

liquid model 解釋
液體模型
  • liquid : n 1 液體。2 【語言學】流音〈如 [l] [r]〉 adj 1 液體的,液態的,流動的。2 清澄的,透明的。3 易變的...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染物在氣相、液相的質量組分方程,結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程,獲得了污染物在液相和生物膜中濃度分佈的近似分析解,最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  2. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維軸向擴散模型對降液管中液體流動進行了數學描述,用時間域最小二乘法擬合了模型參數,模型方程所作曲線與rtd曲線吻合較好。
  3. The pressure drop of the compound tray can be regarded as consisting of dry plate pressure drop, clear liquid resistance, liquid surface tension resistance, and packing pressure drop. the model that has established can fairly predict the pressure drop of the compound tray, the value calculated by the model compared with that detected by experiment is less than 20 %

    復合塔板的壓降可認為由干板壓降、清液層阻力、填料層壓降和克服液體表面張力的壓降四部分組成,所建立的壓降計算模型,能較好地預測復合塔板的壓降,計算值與實驗值誤差在20以內,可用於工程設計。
  4. The simulative cloud image, made from the mixing ratios of cloud liquid water, rain water, ice crystal, snow, graupel which were outputted by the mesoscale model mm5, resemble the gms satellite infrared image very well and also show the cloud evolution of typhoon winnie from tropical cyclone to extratropical cyclone after landing

    利用高解析度中尺度數值模式輸出的大氣中雲水冰水雨水雪水成功地模擬出1997年登陸臺風winnie的雲系結構。模擬雲圖與氣象衛星實際觀測的臺風雲圖非常相似。由於模擬雲圖可以給出大氣中不同形態水物質的三維空間分佈,彌補了衛星只能觀測雲頂表面的不足。
  5. The molecule of liquid crystal is organic macromolecule, so we usually describe the interaction with pah * potential model, such as lebwohl - lasher model ( l - l model ). however this model only describe spatially isotropic interaction, excluding pairwise additive interaction

    由於液晶分子為有機大分子,通常只能通過模型兩體勢描寫其相互作用,如: lebwohl - lasher模型( l - l模型) ,但是該兩體勢模型僅限於空間各向同性相互作用,不包括分子間偶極型相互作用對其貢獻。
  6. 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

    將液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上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.採用上述的一系列技術,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.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  7. For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city

    本論文得到國家自然科學基金項目「泳動微機器人的機理、機構和控制」 (項目資助號: 69885002 ) 、廣東省自然科學基金項目「液體中泳動微機器人的研究」 (項目資助號: 980402 )和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 (項目資助號: 010043 )等的資助,主要對在液體中運動微機器人的國內外研究現狀、水生生物推進機理及其對泳動微機器人研究的借鑒和啟發作用、泳動微機器人的設計與製作、微機器人動力學模型的建立與分析、微機器人的自主浮遊與泳動速度控制等方面進行了大量的理論與實驗研究。
  8. In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed

    以美國潘興導彈為原型,增加可兩次點火的末級發動機,改裝成具有跳躍能力的地地彈道導彈;首先,根據任務需求,建立了導彈的氣動模型,並建立了彈頭再入時高超聲速氣動模型;其次,建立了導彈推進系統模型,前兩級採用了固體火箭發動機,第三級採用了固?液組合火箭發動機,並在總體方案要求下,對發動機噴管和外形進行了設計;第三部分,建立了導彈質點彈道模型,設計了一條跳躍式彈道,並對跳躍式彈道進行了優化設計;最後,對導彈進行了突防能力分析,從分析的結果可以看出,跳躍式彈道的突防能力比常規的拋物線彈道要強。
  9. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  10. Based on the understanding of netative poisson ratio mechanism and the characteristics of liquid crystalline polymers, the ability for the smectic liquid crystalline polymers possibly to bear the auxetic behavior was firstly proposed. at the same time the ideal molecular model was upbuilt and the calculation about the negative poisson ratio of smectic liquid crystalline polymers was theoretically carried out

    經過對負泊松比產生機理和液晶高分子特徵的理解,首次提出了近晶c相液晶高分子也具有產生npr效應的能力,建立了近晶c相液晶高分子產生負泊松比的分子模型,並且對其負泊松比進行了理論計算。
  11. A new model for dense liquid - solid two - phase turbulent flow

    一種適用於稠密液固兩相湍流的新模型
  12. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型;使用周期性邊界條件以減小有限大格子空間帶來的系統誤差;用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為;用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  13. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。
  14. Through the simulation and error comparison between classics regression model and neural network model, it showed that bp should be applied in liquid concentration measurement system to improve measurement accuracy and decrease the non - linear effect from temperature

    通過模擬研究,與傳統的回歸模型進行誤差對比,得出了應採用bp神經網路技術建立智能化液漿濃度測量模型,提高測量精度,克服溫度變化非線性影響的結論。
  15. 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計探測雲中路徑積分液態水含量( 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液水垂直分佈模式,得到這兩個地區4 - 7月各月的隨高度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:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該方法已具有實用可接受的精度。
  16. In this thesis, the basal theory of the nuclear structure were firstly and systemically described, the background and the application of the liquid - drop model, feimi - gas model, shell model and collective movement model were meticulously concluded and summarized. on the one hand, we not only pointed out their success, as well as their important effects on developing the nuclear theory and setting up the integrated nuclear theory system, but also pointed out their deficiencies

    本文首先對原子核結構的基本理論進行了系統的描述,對液滴模型、費米氣體模型、殼模型、集體模型等的背景以及它們的應用作了細致而又簡明的歸納和總結,一方面指出了這些模型的成功之處,以及這些模型在發展原子核理論並建立完整的原子核理論體系中的重要作用,同時也指出了它們的局限性。
  17. Seal the assistant who clears up machine being that one kind of new model is good be used for the stainless steel project, equipment, what be come into being black solders road, handles a simplicity when it can help your relaxed treatment argon arc soldering machine flow welding stainless steel, grab the head as long as using this machine to control touch choose clear up liquid saying that the surface is light in soldering clean, the black welding bead is immediately disappear, bright if new, hurt bright stainless steel surface face by no means, clear up the queen using wet fabric to clean again, outside, stainless steel not getting rusty, not being suffused with yellow, be quick, more beautiful, more economical than using acid - washing method speed such as cream and polishing

    焊縫清理機是做不銹鋼工程、設備的又一種新型好幫手,它可以幫助您輕松處理氬弧焊接機燒焊不銹鋼時所產生的黑色焊道,操作簡單,只要用本機操縱搶頭沾取清理液在焊道表面輕輕擦拭,黑色焊道即刻消失,光亮如新,決不傷害不銹鋼表面亮面,清理后再用濕布擦拭,不銹鋼表面不生銹、不泛黃,比用酸洗膏和拋光等方法速度更快、更美觀、更經濟。
  18. Abstract : this paper an outline of the national fund project, bridges " s safety prediction and behavior simulation under the multi - phase coupling actions by flood water. the authors approach coupling action models among solid, liquid and gas states, while discussing bridge rupture features under these coupling actins. as one important problem of the project, physical and simulation model are discussed too in the paper. all the discussion in the paper can be a guide to deep research of the project

    文摘:本文系國家自然科學基金資助項目《橋梁抗禦洪災異相耦合破壞作用的安全性預測與模擬》研究綱要的縮影,筆者對災害伴生過程中各物相(固態、液態、氣態)之間耦合作用形態及對橋梁破壞性認識,以及對耦合作用物理模型、模擬模型的初步探討,以期為該項目研究的展開和向縱深推進提供借鑒
  19. In order to improve the utilization efficiency of energy and equipment, a general steady simulation model of complex cross - feed multi - effect evaporation was established for the purpose of in - depth research on rule of multi - effect evaporation. in this model, the energy - saving measures, including extra steam being led off to preheat material liquid, the condensation water flash and solution flash, were adopted, and the solid separation was also considered in the process of evaporation

    為了提高多效蒸發系統能量與設備的利用效率以及深入研究多效蒸發過程的規律,建立了帶有冷凝水閃蒸、溶液閃蒸和引出額外蒸汽預熱原料液等節能措施並考慮蒸發過程有固相析出的復雜錯流多效蒸發穩態模擬通用模型。
  20. In this paper, the basic theory and researchful methods for eos ( equations of state ) of solid, liquid and gas are stated in detail. eos of mixture is also generalized more systematically. two models, equivalent material model and mixing phase model, which can describe solid - liquid transition of mixture, are presented too

    本文詳細闡述了固態、液態和氣態物態方程的基本理論和研究方法,對混合物的物態方程進行了較為系統的研究,提出了可用於描述混合物固液相變的兩個模型:即混和相模型和等效物質模型,並以304鋼為例,對這兩種模型進行了驗證。
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