equivalent thickness 中文意思是什麼

equivalent thickness 解釋
當量厚度
  • equivalent : adj 1 相當的，相同的，同等的。2 【化學】等價的，當量的；【數學】等價的；等量的；等勢的；【物理學...
  • thickness : n 1 厚；粗；厚度；粗大。2 濃度，濃厚，黏稠。3 密度；稠密。4 模糊不清，多煙霧，混濁。5 愚笨；遲鈍...
  1. The total shielding effects of the materials with certain thickness for fission neutron and - ray are all much better than iron, and the equivalent masses are lower than iron at same shielding effect

    結果表明：在達到一定厚度后，這些材料對裂變中子、的總屏蔽效果均超過鐵，且相同屏蔽效果下的鐵質量當量顯著下降。
  2. Using the equivalent design deflection to determine the thickness of bridge deck pavement

    用有效活載撓度確定鋼筋混凝土橋面鋪裝層的厚度
  3. Using pro / e ansys fem software, based on results of analyzing fem model, the article discuss the influence to the eigenfrequency of the stator in different dimension parameters of the stator loop, different pzt thickness, the influence of tooth height along circumferential direction on eigenfrequency is analyzed. it offers a foundation for optimum design the structure of the stator. fem equivalent circuit model of the ultrasonic motor has been built

    利用pro / e 、 ansys等軟體建立了圓盤定子的有限元模型，通過有限元分析的方法，討論了定子圓盤各個徑向尺寸參數對特徵頻率的影響，不同壓電陶瓷厚度對定子特徵頻率的影響，以及定子齒的齒高的變化對特徵頻率的影響，為馬達結構參數的優化設計提供了依據。
  4. All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering

    主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。
  5. The paper synoptically and comprehensively introduces eddy current theory, equivalent circuit, excitation coils, test circuit and application of the eddy - current sensors. a feasible solution of motor core height control based on silicon steel sheet thickness measuring with double eddy - current sensors is presented

    論文在系統全面的分析了電渦流傳感器的基本原理、等效電路、激勵線圈、測量電路及應用后，提出將雙探頭測厚系統應用於電機鐵芯疊控制。
  6. First, the basic theory of static load sharing mechanism has been presented, mainly including manufacturing and assembly error of each gear component ' s axis and each bearing ' s axis, gear size ( tooth thickness ) errors, simultaneous error of middle two - tooth. the formula of equivalent mesh error has been deduced, the load sharing coefficient has been computed. second, the influences of each error on the static load sharing coefficient have been discussed

    首先，從靜力學的角度研究了星型齒輪系統均載的基本原理；確定了影響齒輪系統均載特性的製造和安裝誤差，主要包括：各個齒輪構件的中心軸線製造和安裝誤差、軸承中心軸線的製造和安裝誤差、齒厚偏差、雙聯星輪同時嚙合線誤差；推導了這些誤差的當量嚙合誤差的計算公式，分析了系統的均載特性。
  7. Shankou spillway project has many specific characteristics, for example, the gate frusta and weir body have equivalent thickness, the weir body is low and have corridor, the foundation of the weir body is " high - low foot " " and the side frusta is also used as retain wall. in view of the characteristics, to better analyze the stress distribution on weir body, gate frusta, the joints between gate chamber and weir body, under the condition that the gate chamber is applied with asymmetrical loads and complicated constraints, three dimensional finite element method is applied in this paper

    本文針對山口溢洪道閘墩與堰體底板厚度相當，堰體為低堰且設有廊道、堰體建基面「高低腳」及邊墩兼作擋土墻等具體特點，在閘室設計中采山口水利樞紐工程溢洪道閘室三維有限元整體應力計算分析用三維有限元整體應力計算方法分析閘室的受力狀態，分析閘室在荷載不對稱。
  8. Through simulation, found the influence rule on existed structure by shield construction, discussed construction factors such as soil deformation modulus, different thickness of and different elastic modules of equivalent circle zone, control soil pressure, initial stress release rate influence on the surface settlement and structure deformation, studied the reasonable parameter value scope

    通過數值模擬，研究了盾構施工對既有結構的影響規律。討論了地基變形模量、等代層厚度和參數、圍巖應力初期釋放率、盾構正面土壓力等施工因素對地表沉降和筏板基礎沉降的影響，研究了穿越結構物時參數的合理取值范圍。
  9. The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell, stresses and stability with theoretic formula, equivalent modulus of elasticity and thickness of a - sandwich - composite structure

    摘要針對雷達罩易受風荷載作用發生破壞的情況，本文從截球形雷達罩表面的風荷載分佈形態出發，採用無矩理論對雷達罩內力進行了分析計算，從理論上對模型進行了強度和穩定性分析，並著重闡述了a型復合材料夾芯結構的等效彈性模量和厚度的計算方法。
  10. Lead equivalent thickness

    鉛等效厚度
  11. The author, applying the program of ansys, built a nonlinear model of rc bi - direction cellular slab, and, from the comparison of equivalent - span and equivalent - thickness solid plate, drew several important conclusions. meanwhile he also pointed out that the stiffness of cellular slab would become weaker because of the holes of cross - section which make the tare weight 40 % down comparing to solid plate, but if the weakness of tare weight was considered, the cellular slab still remained the excellent features of integration and stiffness, by which the cellular slab can be put into use of large - span

    本文利用有限元程序ansys ，建立了鋼筋混凝土雙向空腹板的非線性計算模型，並和等跨等厚度實心板進行分析對比，從而得出了一些重要結論，指出：在空腹板自重比實心板減少40左右後，空腹板的剛度雖然由於截面的開孔而削弱，但考慮自重減少后，空腹板仍表現出整體性好、剛度大的特徵，從而實現較大跨度樓板的工程應用。
  12. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象，以現行《公路瀝青路面設計規范》為依據，從路面使用性能和交通特徵的調查入手，從疲勞特性和極限強度出發分析了路面早期破損的原因，全面系統地進行了交通參數的分析，提出了當量軸次增長率、季節修正系數和超載系數的概念和方法，並提出了重載交通的軸載換算方法。在此基礎上，針對超載、重載交通從結構組合設計、結構厚度計算（包括疲勞強度標準和極限強度標準）等方面提出了適宜的瀝青路面結構設計方法，並結合工程實測，說明了結構層厚度計算的具體步驟，最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明，本文提出的路面結構型式合理、設計方法可靠，能適應目前重載、超載交通的狀況，具有較高理論與實用價值。
  13. According to the result of the field observation, the design by load equivalent simplification and plotting out representative local models following spatial strut - and - tie theory are obviously practical, recommendations for design on the basis of the result are put forward, including skipping rafts processing straight transmittal function so as to induce thickness of the plank and use of reinforced steel

    實測結果表明，樁筏基礎按空間桁架理論通過荷載等效簡化並劃分成有代表性局部模型的設計方法是可行的，據此，提出了扣除直接傳遞的荷載設計筏板以減少板厚和配筋等相應的設計建議。
  14. Multi - arm caliper logging tool is mainly used for measuring inner diameter changes of the casings, provides evaluation data such as casing diameter changes, casing wall thickness, outer diameter variations of the casings, elliptic changes and equivalent damaging loading, etc

    多臂井徑測井儀主要用於測量套管內徑變化，提供套管變徑、壁厚、套管外徑變化、橢圓變形及等效破壞載荷等評價資料。
  15. The calculational result by exact solution shows that the substrate inject current is larger than gate inject current in the same condition. the influence of the thickness of sio2 and la2o3 on the tunneling current is given to compare much different thickness of sio2 and la2o3 tunneling current on the same equivalent oxide thickness ( eot ) condition

    在等效氧化層厚度相同的情況下，比較了幾種不同的sio _ 2層厚度和la _ 2o _ 3層厚度結構的隧穿電流的大小，給出了sio _ 2層厚度和la _ 2o _ 3層厚度對隧穿電流的影響。
  16. Utilizing method of function extremum, it is proved that there lies minimum coefficient heat transmission in sealed vertical air layer, that is to say there exists the minimum theoretical equivalent conductivity factor. furtherly, the equation of the most excellent thickness of air interlayer is obtained

    運用函數求極值的方法，證明了封閉垂直夾層中的傳熱系數存在極小值，即封閉垂直夾層在理論上存在最小的當量導熱系數，並推導出了最佳空氣夾層厚度的理論公式。
  17. In chapter 2, eddy - current test theory is analyzed from several aspects. though analyzed the equivalent circuit of eddy - current test, the reliability of eddy - current test technology on aluminum foil thickness test on line is given and the eddy - current sensor design method and the eddy - current sensor parameters selecting are discussed

    論文第二章從多個角度分析了電渦流檢測的原理，在對電渦流檢測等效電路分析的基礎上，提出了電渦流檢測技術在鋁箔厚度在線檢測系統中應用的可行性，文中還詳細討論了電渦流傳感器的設計方法及課題中電渦流傳感器參數地選擇。
  18. The research results will lay the foundations for the design and manufacture of the multi - dimensional acousto - electropic - optic device. the thickness of plating layers and the length, width, thickness of piezoelectric transducer are determined, according to transporting line theory of mason ' s equivalent circuit

    本文還利用傳輸線的瑪森等效電路理論確定各晶體在其工作模式下各鍍層的厚度及換能器的長度、寬度、厚度；研究結果為多維聲電光器件的設計與製作打下了良好基礎。
  19. Based on the experimental and numerical simulation results, a new equivalent plate thickness formula and new empirical formulas for the mean crushing load are given

    基於實驗結果和數值模擬的結果，給出了新的等效板厚和平均壓潰載荷計算公式。
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