comparison resistance 中文意思是什麼

comparison resistance 解釋
比較電阻
  • comparison : n. 1. 比較,對照;類似。2. 【語法】比較法;【修辭學】比喻。
  • resistance : n. 1. 抵抗,反抗,抗拒,抵禦;敵對,抵抗力,反抗力,阻力,【生物學】抗病性。2. 【電學】電阻;阻抗;電阻器。
  1. Comparison of resistance of the common gram - negative bacilli to the third cephalosporins

    常見革蘭陰性桿菌對第三代頭孢菌素的耐藥率比較
  2. 1mcewan jr, benjamin n, larkin s, et al. vasodilation by calcitonin gene - related peptide and by substance p : a comparison of their effects on resistance and capacitance vessels of human forearms. circulation, 1988, 77 : 1072

    3湯健,徐東,唐朝樞,等.降鈣素基因相關肽,一種強效降壓和心肌細胞保護劑.北京醫科大學學報, 1988 , 20 : 453
  3. Sequence comparison indicated that the nucleotide homologies between the ha gene and those from eight other h3 subtype sfv isolates from china are over 95 %, and nucleotide identities between h3 sfv isolates in china and a typical h3 subtype avian influenza virus ( aiv ) strain dkuk1 - 63 are 95 % to 100 %. these might tell us that the ha gene of all h3 subtype sives isolated in china was originally from aiv although the vaccine based on ha do not protect against different subtype of influenza virus, it can provide favorable resistance to infection with antigenic variants within a subtype

    通過與其它7株國內siv分離株和6株genebank中的h3流感病毒ha序列比較分析,結果表明分離自我國不同地區的8株h3siv核苷酸序列同源性均在95 %以上,且與禽流感病毒( aiv )經典代表株dkuk - 63序列同源性在95 - 100 %之間,證實我國h3sivha基因來源於禽的流感病毒。
  4. At last, according to the comparison and analysis of the model fea results, model experiment data and the { specifications for design of highway reinforced earth engineering } ( jtj015 - 91 ) that is put into practice at present, we suggest that the polymer - geogrid reinforced earth walls in this area, which earthquake intensity is greater than 7 degreefincluding 7 degree ), must be analysed and designed with the earthquake fatalness, must be carried on with the checking computations of the reinforced material ' s intension and stabilization safety factor of the resistance against pull out

    最後,根據有限元計算結果和試驗數據對比現行的《公路加筋土工程設計規范》 ( jtj015 - 91 ) ,建議地震烈度在7度以上(包括7度)的地區應對加筋土擋墻結構採取地震危險性分析設計,應對加筋土擋墻進行筋材抗震強度和筋材抗拔穩定安全系數的驗算。
  5. Comparison of resistance to bleeding of pigments

    顏料抗滲色性的比較
  6. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。
  7. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場測試並結合理論計算,確定其熱質交換系數,並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔,處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系,為除濕設備的設計和指導生產運行提供參考。
  8. Making use of the former theory, the shear mechanism of the high - strength concrete column confined with the high - strength continue compound spiral hoop is analyzed taking account of the restriction that high - strength continue compound spiral hoops put on the high - strength concrete. and the theoretical formula of the column ' s shear resistance is put forward, and at the same time the statistical formula is also advanced based on the comparison with the value of test

    具體分析了一般樑柱構件的抗剪機理,提出了其理論的和實用的抗剪公式;利用前述理論,結合高強連續復合螺旋箍筋對高強混凝土的約束性能,分析了高強混凝土高強連續復合螺旋箍筋柱的抗剪機理,提出了其理論的抗剪公式,並結合試驗數據比較分析地提出了其統計公式。
  9. General methods of test for pigments and extenders - comparison of resistance to light of coloured pigments of similar types

    顏料和填充劑的一般試驗方法.同類著色顏料耐光性的比較
  10. General methods of test for pigments and extenders. part 15 : comparison of resistance to light of coloured pigments of similar types

    顏料和填充劑通用試驗方法.第15部分:同類著色顏料耐光性比較
  11. Methods for testing pigments for paints - comparison of resistance to bleeding

    塗料用顏料試驗方法.第c7部分:耐色料擴散性比對
  12. Comparison of c - scan of entire sample and the date of local point a - scan collected and processed with the metallorgaphs of sample cross section showed that the method could be used to determine the spot size of resistance spot welding

    對接頭焊點的c掃描及對局部點的a掃描信號的採集與分析,經負際焊點橫截面的金相觀察對比,可以較準確確定點焊的焊核直徑。
  13. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置深度) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有限元法確定樁端極限承載力的回歸公式,並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。
  14. At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one

    利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型,實測某一工況下西寧市配水管網部分節點水壓h _ 0 、各水源供水量(管段摩阻已知)分別用優化選擇的測壓點水壓和按經驗選擇的測壓點水壓估計所有節點的水壓,對西寧市配水管網進行了狀態估計。
  15. The experimental results of the flow characteristics of the mmc heat sink indicate that the critical reynolds number signifying the transition from laminar flow to turbulent flow is in advance ; under the same experimental conditions, the variation in entrance direction of the microchannel inlet and outlet has little effect on the microchannel ; the experimental values of the friction factor of the de - ionized water in a microchannel agree well with those calculated using the theoretical laminar formula ; furthermore, a comparison of the experimental results and simulation results shows that navier - stokes equation and rng - turbulence model can be used to model the laminar and turbulence flow regions in a microchannel ; meanwhile, the correlations of the flow resistance in the turbulent flow regions for the de - ionized water as the working fluids are obtained from experiments

    對歧管式單通道熱沉流動特性的研究結果表明,微通道內流體流態由層流向紊流轉變的臨界雷諾數提前;改變流體的進出口方向對熱沉總壓降造成的影響很小;摩擦系數的實驗值與理論值較接近;數值模擬結果能夠與實驗值較好吻合;並由實驗給出了紊流區流動阻力的實驗關聯式。此外,選用十二烷基硫酸鈉( sodiumdodecylsulphate , sds )以及烷基多糖苷( alkylpolyglycoside , apg )作為減阻添加劑,研究了表面活性劑添加對微通道流動特性的影響。
  16. And a design principle of excellent performance on ion transfer resistance, wear resistance and corrosion resistance is brought forward. the physical chemistry performances of pigments and their application in cementitious materials are studied. the sorts and optimum quantities of them are determined through test and comparison

    研究探討了顏料的物理化學性能及其在水泥基材料中的應用,通過測試與比較確定顏料的種類及最佳摻量;通過研究材料彼此間性能的相互作用與影響,復配出hpch的顏色體系,同時選擇合理的生產方式,以保證hpch的材料性質。
  17. This paper makes a deep comparison between new and old standard instrument used to calibrate dc high - voltage and high - resistance box and reachs a conclusion that the new equipment ( digital type high resistance calibrator ) operation is simple and convenient, rapid, efficient, without the artificial regulation balancing of by hand, of working safely and reliable, considerably advanced and novel

    摘要對檢定直流高壓高阻箱用新舊標?設備進行了深入比較,得出新設備(數字式高阻檢定儀)損傷簡便、檢定速度快、效率高,無需人工手動調節平衡,工作安全可靠,具有相當的先進性和新穎性的結論。
  18. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  19. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構,該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道,利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ,同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  20. A comparison is made with available simplified theories such as that corresponding to plane strain model. the comparison involves many aspects such as the soil resistance factor, the soil complex local stiffness and the pile complex stiffness at the level of the pile head. the applicability of the other two models is analyzed and checked

    3 、將本文嚴格解與其它簡化解(如基於平面應變假定的解等)從土層阻抗因子、土層局部復剛度和樁頂復剛度等方面進行了對比分析,檢驗和校核了簡化解的適用性。
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