模擬空間條件 的英文怎麼說

中文拼音 [kōngjiāntiáojiàn]
模擬空間條件 英文
simulated space conditions
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  • 空間 : space; enclosure; room; blank; interspace
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態的蒸發器數學型,為系統奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性計算程序,可以計算不同邊界和初始下的製冷劑熱力參數、氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態
  2. The use of the state - of - the - art laser facility makes it possible to create conditions of the same or similar to those in the astrophysical processes. the introduction of the astrophysics - relevant ideas in laser - plasma experiments is propitio us to the understanding of the astrophysical phenomena. however, the great difference between the laser - produced plasmas and the astrophysical processes makes it awkward to model the latter by laser - plasma experiments. this paper addresses the physical backgrounds for modeling the astrophysical plasmas by laser plasmas, connecting these two kinds of plasmas by scaling laws. thus, allowing the creation of experimental test beds where observations and models can be quantitatively compared with laser - plasma data. special attentions are paid on the possibilities of using home - made laser facilities to model astrophysical phenomena

    採用當前最先進的激光裝置與物質相互作用,可以獲得與天體物理過程中相同或相似的,並進而開展利用激光等離子體天體物理現象的實驗.然而,激光等離子體為微米尺度、納秒存活時,而天體物理對象則為宇宙學的極大的時尺度,對在物理上和實際操作上將這兩種表面上存在巨大差異的物理過程對應起來從而利用激光等離子體研究天體物理過程的可能性進行了討論,特別是對利用國內的激光裝置開展實驗的可行性進行了討論
  3. 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

    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型;使用周期性邊界以減小有限大格子帶來的系統誤差;用鏈節相互作用能、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-生長法對體系進行擾動;用系統達到吸附平衡后的樣本來研究體系中的高分子鏈在固液界面上的吸附。
  4. The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine

    用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、氣冷卻、隨爐冷卻三種工藝下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。
  5. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面變異性,基於數字高程型構建了數字流域,並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為,數字水文型是一種有物理基礎的包含大容量信息的現代技術.史灌河流域實例研究表明,數字水文型可以十分方便地輸出水文要素和狀態變量的分佈與時序列,這對充分利用現有觀測信息進行水文信息的深層挖掘創造了
  6. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程型和simple演算法,應用壁面函數法處理邊界,對利用包括縫風口、方型百葉風口、長型百葉風口和方型散流器不同型式送風口送風的變風量調房內的氣流組織進行了
  7. Using the two - site kinetic sorption model and the two - region model, cadmium transport in field soils was simulated, the average of the numerical solution of cd transport at every soils sample was obtained and the spatial distribution of cd concentration was computed

    用基於土壤水動力學和溶質運移的物理、化學非平衡型的數值型,了污水淹灌下鎘在試驗小區土壤中的運移動態,獲得了鎘在土壤中淋溶的分佈。
  8. Then, the connected flying, stage separation, signal being sheltered process is simulated in computer, the influences imposed by working conditions and interfering factors for separation process are analyzed. furthermore, if the missile is controlled non - rolling, the stage separation process is simulated in another model. some of conclusions derived from above analysis are checked in theory

    本文就某些可選分離方案進行了對比分析,對地導彈一體飛行、級分離、信號遮擋過程進行了計算機,分析了影響和干擾因素對分離過程帶來的影響,進一步研究導彈若受控無滾時的級分離過程,並從理論基礎出發驗證上述研究的部分結論。
  9. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌接觸幾何關系、輪軌接觸應力和輪軌蠕滑等方面對鋼軌側面磨耗機理進行了探討,從軌道幾何參數、機車車輛運營等方面對鋼軌側面磨耗的影響因素進行了重點分析和總結;應用輪軌系統動力學,建立了輪軌耦合振動時變型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側面磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側面磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側面磨耗的措施。
  10. So this paper try to study fresh air and indoor air quality problem with uncertain method. this paper firstly utilizes grey systematic theory and already existing definite physical model to develop the non - intrinsic grey model of the effect of outdoor air on indoor air and analyse every grey parameter in the non - intrinsic grey model. on the basis of above mentioned, the change of carbon dioxide concentration indoor with the change of time is evaluated

    根據灰色系統理論的建思想,利用灰色系統理論和原有的確定性物理型建立新風量對室內氣品質影響的灰色非本徵型,並對灰色非本徵型中的各個灰參數進行分析,在此基礎上,將建立的型對不同新風量下室內co _ 2濃度隨時的變化過程進行計算分析。
  11. The particles aggregation was simulated using particle - cluster and cluster - cluster aggregation model. several type of floes was reached and its morphological characteristics was analyzed the fractal dimension, density and porosity of floes was studied by changing sticking probabilities, sticking position, particle number, particle concentration, difrusion coefficient and motion trajectory. the parameters by which special floes growth were determined. in the study of morphology, floes of yellow river ' s loess particles was observed by tv - microscope. its morphological characteristics were obtained by image analysis. the effect of fractal dimensions by stirring time strring speed, macromolecule flocculant dosage, flocculant concentration and particle concentration was studie. its rule of change was obtained. on the basis of other studies, the flocculation kinetics and floes structure was studied

    本文應用計算機技術,在二維內採用單體凝聚和集團? ?集團凝聚兩種型對顆粒凝聚過程進行了,得到了多種形態的絮體,並對絮體進行了形態分析,通過改變粘附概率、粘附位置、顆粒數量、顆粒濃度、擴散系數和運動路徑等參數,我們考察了絮體分形維數、密度和孔隙率隨變化的影響規律,得到了形成特定形態絮體的控制參數。
  12. Based on this, the upper controlling index of soil water content is 80. 4 % and the days of waterlogged and salinization tolerance is 3. 2 days. the moisture and salinization movement mathematical model in the field under subdrainage condition is based on the assumption of neglecting the effects of horizontal hydraulic gradient, it can analogy the changes of soil water content and salinization which are changed with times and depth

    論文在忽略水平方向水力梯度影響的假定下建立了排水下麥田水鹽運移型,土壤水鹽含量隨時的變化情況。經與實測資料對比發現,計算值與實測值較為接近,故該型及參數的確定是合理的,可用於預測麥田水鹽的動態變化。
  13. Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study

    本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工降雨實驗,研究了土壤侵蝕對土壤碳和養分的影響途徑和表現,侵蝕作用影響下土壤碳和養分在微地形的分佈規律;同時,在地理信息系統的支持下,建立了侵蝕下的土壤碳和養分變化型,了侵蝕對土壤碳和養分影響的過程,預測了侵蝕影響下土壤碳和養分的年變化及多年變化,並通過研究建立的型對不同侵蝕控制措施進行了初步的效益評價。
  14. So for, because of the restriction of experiment boundary condition that different original condition and over ideal theorization model that is mentioned in the preface, it is imminence needs to understand the changing of reality soil on the true wave loading in true time and space so that validated and lead next research in theory and simulation

    正如在前言中對此方面研究評述所提及,目前的研究被與實際迥異的實驗邊界和過分理想化理論型制約,迫切需要了解真實的時尺度下,真實的土體在真實的波浪荷載作用下將發生怎樣的變化,以驗證和引導我們進行的理論與研究。
  15. In this paper, we begin with actual products designs and then combine the real conditions. on condition that technique conditions requirements were satisfied, by adopting electromagnetic field numerical analysis and experimental research, the electric field distribution inter - phase and to ground of 12kv metalclad withdraw switchgear vacuum circuit breaker is described accurately. the electric field distribution and movement in different conditions are also confirmed

    本文從實際產品設計入手,結合現實情況,在滿足技術要求的基礎上,通過採用電磁場的數值分析及實驗研究,準確地描述了12kv配電系統中置櫃真斷路器相及對地全場域電場分佈情況,確定了中置櫃在不同情況下的電場分佈、變化情況,通過理論的計算和分析,對產品的絕緣進行了校核與驗證,通過多種方法的比較,進而得到合理的布置結構和達到最佳的絕緣配合,為實際產品的開發和設計提供了理論依據。
  16. In the method, time, space and behaviors of system are linked together thus a more authentic and visualized simulation on fire spreading along tunnels is made

    該方法將時和系統行為有機地結合起來,在形象、直觀、真實的下完成火災在巷道系統中蔓延的
  17. Simulation is a synthetic technique. there is much excellence with it, credibility, no destruction ; repeatability, safety, economy, no bound with in climate, locale, and space and tight with life of human being

    技術是一門綜合性技術,具有可靠、無破壞性、可重復、安全、經濟、不受氣候和場地、限制等優點,它與人類生活密切相關。
  18. To make pic ( particl - in - cell ) simulations. to set up models of guns and magnetic field and simulate them in the vacuum and plasma, respectively. we found that plasma held back part of space charge effects and improved trajectory of electrons. but beam would oscillate and became instable as accretion of plasma density. by simulating again and again, we draw a conclusion magic could n ' t work when plasma density was more by far than beam electron density. at last a four - stage depressed collector was simulated

    建立電子槍和聚焦系統型,分別在真和填充等離子體下進行。發現填充等離子體能補償部分電荷效應,改善電子束包絡軌跡,提高電子的流通率,但是隨著等離子體密度的增大,束電子會出現振蕩不穩定性,遺憾的是通過反復多次發現本文所用粒子的代表性軟體magic無法用於等離子體密度遠高於束電子密度的情況。
  19. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界和動態特徵等水文地質分析的基礎上,概化了其水文地質,構建了相應的地下水資源評價概念型與數學型,並給出其數值解法和相應的計算流程;論文在介紹數學型的兩種常用數值解法和離散的矩形網格生成技術的基礎上,實現了基於gis的評價離散矩形網格的自動生成;最後,論文從基於gis的評價型基本信息管理、離散方法、子程序包與型計算參數可視化賦值、型的合等方面實現了gis與評價區域的地下水資源評價型的集成,並將型評價結果可視化。
  20. The objective of this thesis is to study the problems about ground modeling experiments on the convection heat transfer in the hermetic cabins of two man - made satellites under microgravity, and build up a set of experimental system for the ground modeling - cool experiment - based on the theoretical analysis of the effects of gravity on the flow and heat transfer in the hermetic cabins

    航天技術領域中,如何在地面重力環境中實驗微重力下的流動與傳熱,具有重要意義,但至今尚未得到很好的解決。本文的目的就是研究微重力環境下衛星密封艙內對流換熱的地面實驗問題。
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