質量流量常數 的英文怎麼說

中文拼音 [zhíliángliúliángchángshǔ]
質量流量常數 英文
mass flow constant
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. Fundamental of laser 40ar / 39ar dating method : our laboratory has successfully set up the laser microprobe 40ar / 39ar geological dating method. our works include adjustment of the high - gain electron multiplier in mass spectrometer and correction of mass discrimination, adjustment of the laser, test for absorption ability of minerals to laser, designing and manufacturing high - vacuum sample chamber, sample preparation and irradiation, research on the variability of j values on the surface of rock chips, measuring atmospheric argon, determination and correction of blanks and ages, etc. the laser microprobe technique is particularly effective for some geological samples. it can be used, for example, for research of distribution of the components in extremely small samples that are very difficult to be separated and purified and those which contain excess argon

    本文首先從常規~ （ 40 ） ar ~ （ 39 ） ar階段升溫定年實驗室的改進入手，進而建立了激光~ （ 40 ） ar ~ （ 39 ） ar定年實驗室，利用這兩種先進同位素地質定年方法，結合其他手段，對青藏高原腹地和北緣的阿爾金斷裂系多期地質事件進行了詳細的同位素年代學研究：一、參照國際先進實驗室的流程，對我們的常規~ （ 40 ） ar ~ （ 39 ） ar階段升溫實驗室在樣品的預處理、樣品的照射條件和系統空白測量及校正等方面進行了改進，使之產出的同位素年代數據更可靠並為國際同行所承認。
  3. Based on analysis of geologic foundation record about pingzhuang basin, a lot of sino - foreign geothermal geology record and investigation of field geology, measuring of ground temperature in person and geo - chemical analysis of ascension spring, gushing water of fault, the fact that the anomaly of geothermal gradient of pingzhuang basin, which is in region of low geothermal gradient, is caused by redistribution of conduction - oriented geothermal heat flow which is result from upheaval and depression of basin foundation bed is pointed out. after the field of ground temperature is simulated under the background of conduction - oriented geothermal heat flow by means of ansys, the characteristic of ground temperature distribution of top surface of basin foundation bed ( yixian team ) is revealed. the sound condition of transmissibility fault and feeding water source, which are imperative in formation of the low - medium temperature geothermal system of convective type, is possessed in pingzhuang basin

    通過對平莊盆地基礎地質資料、國內外大量地熱地質資料的分析和野外地質調查、礦井實測地溫以及上升泉、斷層涌水的地球化學分析等工作基礎上，指出地處低地溫梯度背景區的平莊盆地地溫梯度異常是由於盆地基底隆起和坳陷引起傳導型大地熱流再分配所致；運用州sys數值模擬了大地熱流向地表傳導背景下的盆地地溫場，從而揭示了盆地基底（義縣組）頂界面地溫分佈特徵；闡明了盆地具有形成中低溫對流型地熱系統所必需的導水斷裂、補給水源等的良好條件，中低溫對流型地熱系統是地熱勘查的主要對象；圈定了平莊盆地北部朝陽溝?駱駝營子地熱勘查遠景區。
  4. The mission of merak - cpc is to cooperate with the coachbuilders and the end users in localized production as well as to provide good after sales service on a basis of good quality, with the aim of contributing ourselves to railway transportation construction in china with our professional experiences of decades

    江蘇常牽美萊克空調系統有限公司的使命是與客車製造商和最終用戶緊密合作，在確保質量的基礎上使我們的產品國產化，並運用我公司在這一行業數十年的經驗為中國大客流量軌道運輸建設做出我們的貢獻。
  5. The components, working principle, advantages and defects of pwm power amplifier are introduced briefly in the dissertation. the working characteristics of h - bridge pwm power amplifier in double - polarity mode is analyzed qualitatively and qualitatively and the conclusion that fluctuant magnitude and continuousness of armature current are the essential parameters which can be used to evaluate pwm control modes

    論文簡要介紹pwm功率放大器的組成、工作原理、特點及存在問題；對常見h型雙極性模式pwm功率放大器的工作特性作了定性和定量的分析，指出了電樞電流脈動量和電樞電流連續與否是衡量pwm控制方案優劣的兩個本質參數。
  6. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。
  7. In terms of the real data, the mass stream function is calculated by two methods, results indicate that both methods fit well with the need for calculating the climate and its anomaly of the mean meridional circulation

    本文通過實際資料的計算比較了質量流函數的兩種計算方案，驗證了簡化方法同樣適用於平均經圈環流的氣候及其異常的分析需要。
  8. Cadmium ( cd ) is one of the mostly polluting heavy metal. first, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained ; second, miscible displacement experiments were carried out in saturated homogeneous soil columns under steady - state water flow, and the dynamics of flux concentration of cadmium leached in soils were measured

    首先，用批量平衡法開展了鎘在砂質壤土、壤質砂土和粉壤土中的吸附特性的試驗研究，獲得吸附常數；其次，採用易混合置換實驗的方法，對其在穩定流場飽和土壤中的運移進行了室內研究，獲得了目標溶質鎘在定濃度輸入條件下的出流液濃度動態。
  9. Flushing in the internet for the certain time and misusing the network resource, the high - bandwidth malicious flows breakage the key equipment elements of networks, reduce the quality - of - service ( qos ) performance and demolish the availability and usability of networks

    這些高帶寬惡意數據流在網際網路上泛濫，使得網路正常服務質量（ qos ）不能保證，網路資源被惡意數據流肆意佔用，骨幹網路的關鍵設備性能急劇下降，網路資源的可用性遭到極大破壞。
  10. In addition to, we summed the results of fields outcrop and fluvial engineering, established the geological thesaurus. ration the different type of fluvial channels shape parameters. then matched the logging interpretation model of shaliness. porosity unit, permeate ratio and hydrocarbon saturation originality, because using the measure of multianalysis and network. the precision is higher than the result of onventionality, so laid the fundation of knowing the characterof reservoir

    此外，總結了國內外野外露頭及河流工程的研究成果，建立了研究區的地質知識庫，初步量化了不同類型河道的形態參數。還建立了不同類型河道的泥質含量、孔隙度、滲透率、原始含油飽和度的測井解釋模型，由於引入了多元擬合及人工智慧神經網路等手段，其計算精度高於常規解釋結果，為精細分析儲層內部性質奠定了基礎。
  11. The future of the universe is mainly determined by the mean density of mass - energy and the space - time curvature, while cosmological constant does not carry any weight among popular cosmological theories

    現在流行的宇宙論都不考慮宇宙常數，宇宙的未來完全由質量能量的平均密度及宇宙的時空曲率來決定。
  12. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合，使演算法十分困難.本文討論了無生化過程時的幾種求解方法，數值結果表明：用三次迎風插值法對常見的對流項占優勢，且場變量有較大梯度的問題較適用.在討論有生化反應過程時，利用對流項與生化反應項的特徵時間量級估算，給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比，吻合很好
  13. In chapter one, we propose a new mixed method called characteristics mixed finite element method for a convection - dominated diffusion problems with small parameter e : we handle the convection part whth backward difference scheme along the characteristics, obtain much smaller time - trunction errors and avoid numerical dispersion on the front of the peak curve of the flow : we use a lowest order mixed finite element method to deal with the diffusion part, so this scheme can approximate the unknow function and its following vector with high accuracy at the same time

    第一章中我們對小參數對流占優擴散問題提出了新的數值方法? ?特徵混合有限元方法，即對方程的對流部分採用沿特徵線的後退差分格式求解，以保證較小的截斷誤差限並避免了在流動的鋒線前沿數值彌散現象的出現；對流動的擴散部分採用最低次混合元方法求解，以保證格式對未知函數及伴隨向量的同時高精度逼近。由於該方法中檢驗函數可取分片常數，此格式在某種意義上具有局部守恆性質。
  14. Based on abroad consultations and studies on national and foreign related datum, mainly taking shenzhen luohu fracture zone for research object, and by means of analysis on locale monitoring datum analysis, laboratory routine rheopectic testing, finite element numerical simulation and appraisal of gis stability, a few of conclusions can be summarized as the following : ( 1 ) analyzing present and past geological reconnaissance datum and reports of stability appraisal in luohu jiancheng district and synthesizing a mass of crustal stress monitoring datum and huangbeiling faultage f8 monitoring datum, and combining closely with practical engineering activity in luohu district, characteristics of crustal stress distribution is deeply discussed, which has an important guiding meaning for studying region stability and underground structure safety in luohu district

    本文在廣泛查閱、研究國內外有關資料的基礎上，主要以深圳羅湖破碎帶為研究對象，通過現場實際監測資料分析、室內常規流變試驗、有限元數值模擬以及基於gis的穩定性評價，可以得到以下幾點結論： （ 1 ）分析了羅湖建成區以前和現今的地質勘察資料、穩定性評價報告，綜合大量的現今地應力監測資料和黃貝嶺f8斷層監測資料，緊密結合羅湖建成區的實際工程活動，深入探討了羅湖區的地應力分佈特徵，這對于研究羅湖地區區域穩定性和地下建築物的安全性具有重要的指導意義。
  15. Mass flow constant

    質量流量常數
  16. 4 were calculated in curved tube with permeable arterial wall and effects of parameters, such as shear stress, mass flux of arterial wall, on mass transfer were studied. it was found that steady laminar flow become unsteady with the increase of de. the concentration in inner section of transverse section of the tube is higher than other areas, and with the increase of de and pe, the concentration there increase obviously. it indicates that for the permeable arterial wall, the macromolecules are likely to gather in the areas where axial velocity and shear stress are relatively low, thus indicates why location of atherosclerosis frequently occurs at inner side of curved tube

    4 ，在可滲透邊界條件下彎曲血管內的濃度場分佈，並分析了諸如壁面剪應力及跨壁流量等參數對傳質的影響。計算表明隨著dean數的增加，定常層流開始失穩。血管截面內側區是濃度分佈較高區域，並且隨著dean數和peclet數的增加，內側區濃度明顯增大。
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