量得的尺寸 的英文怎麼說
中文拼音 [liángdedechǐcùn]
量得的尺寸
英文
measurement-
Namely, we can get the 3d size by the azimuth angle and the pitching angle of the measured workpiece
三維尺寸測量採用交匯測量的理論,通過被測工件的俯仰角和方位角大小得到其三維尺寸。The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically
鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實地解決目前尺寸鏈計算機輔助分析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的極值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再分析各尺寸環投影分量的增減性,並且提供了組成環兩個方向上的投影分量增減性不一的復雜情況下的解決辦法,綜合組成環各投影分量的增減性,然後自動列出方程組,最後根據各組成環的投影分量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸分佈情況,以更經濟更合理的方式分析、計算封閉環尺寸。2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 )設計吊桿式拱架支承結構時,各部分構件應當均勻對稱布置。另外,還應注意頭道梁拱腳附近截面的尺寸擬定,克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 )可利用調整構件質量的方法,使得結構的某些構件的地震荷載分佈均勻一些。The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind
研究結果表明, ( a )熱處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量比趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散曲線。It is investigated in the paper the correlation between the microstructure and the mechanical properties, that is, the effect of the content of free carbon, free silicon, pore and granule size on the bending strength of the material. under 1800, we obtain material with a density of 3. 12 g / cm3, bending strength of 522mpa. it is considered that the increase of the bending strength of the material obtained upon the traditional rbsc material by 50 % is mainly owing to a higher density and a lower porosity than the rbsc material
研究了高溫燒結材料中游離si含量,晶粒尺寸以及游離c和氣孔對材料強度的影響,對比了所得材料與傳統rbsc材料的顯微結構和力學性能的差別,在高溫燒結下制備了密度為3 . 12g / cm ~ 3 ,強度為525mpa的材料,比傳統rbsc材料提高了50 ,材料中更低的氣孔率和更高的密度是強度提高的主要原因。A special molding material ? expansion plaster used for this process could obtain 3 % expansion after being treated, which is beneficial to compensate dimensional contraction for plaster mold drying and alloy solidification
工藝中所用的特殊造型材料? ?膨脹石膏經處理后可得到3 %的膨脹量,足以抵消鑄型因烘烤產生的尺寸縮小及合金凝固導致的收縮。The results showed that with the increase of heat treatment temperature, both the carbon content and tensile modulus of carbon fibers were enhanced, however the linear density decreased
試驗結果表明,隨著熱處理溫度的提高,炭纖維線密度下降,微晶層間距縮小,碳含量、微晶尺寸和拉伸模量得以提高。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。The results showed that the processing parameters ( such as laser power, the diameter of laser, scanning speed of laser beam, ratio of overlapping ) are important to acquire a perfect component. furthermore, in order to assure geometric properties ( accuracy, surface finish ), the structure of the off - axial powder nozzle was improved to avoid the oxidation of the molten pool. the density metal test sample of rene95 high - temperature alloy was made by lsf through optimizing the processing parameters
本文對激光立體成形的工藝特性進行了深入系統的研究,發現如果要獲得理想的成形效果,就必須對成形過程中的工藝參數進行精密控制,例如激光功率、激光光斑大小、光束掃描速度、搭接率等;同時為了保證成形件有較高的尺寸精度和表面質量,必須對成形零件的氧化問題進行控制,通過改進側向送粉噴嘴的結構設計,成形件的表面氧化問題得到適度控制。Based on the liquid water content and optical visibility, the method for determining the parameters of gamma drop size distribution model of fog and clouds are developed, the drop size distributions for advection and radiation fog are obtained with empirical relations of the liquid water content and the visibility, the characteristics of drop size distribution for different kinds of fog are analyzed and discussed
提出了利用雲霧含水量和能見度確定gamma雲霧滴尺寸分佈的方法,利用霧的含水量和能見度的經驗關系,得到了輻射霧和平流霧的霧滴尺寸分佈模型,並對不同類型霧的尺寸分佈特徵進行了分析和討論。Study of practical formula about strength and rigidity of 6 - point - supported - glass using the super sap fea software to solve different calculation models - which have different parameters, such as a / b, a / c and so on, this paper achieves a series maximum deflection coefficients and maximum stress coefficients, then form calculation formulas of maximum deflection and maximum stress under the load of wind
6點支承玻璃強度剛度實用的計算公式研究採用supersap有限元分析,求出不同的計算模型(玻璃板的尺寸參量a b , a c不同) ,得出一系列最大撓度系數和最大應力系數,形成6點支承玻璃在風載荷作用下的最大撓度計算公式和最大應力的計算公式。So knowing the distributing law of the strain field and how the strain field changes with the actuator ' s size is necessary in this text, electronic speckle pattern interferometry is used to test different strain fields produced by bonded actuators with different size. after the fringe is thined, its spine is got. based on the theory of speckle metrology, the displacement from the fringe is got, at last the strain field and how the strain field changes with the actuator ' s size is got
本文用電子散斑干涉法對不同尺寸的粘貼型壓電驅動器的誘發應變場進行了實驗研究,將所得的干涉條紋進行細化處理,得到干涉條紋的骨脊圖,根據散斑干涉計量術的原理對干涉條紋骨脊圖進行數值計算,得到誘發應變場的位移圖以及粘貼型壓電驅動器的尺寸變化對誘發應變場的影響。The car body was optimized in structure with this optimum method, with the lightest weight of the car body bearing structure as the object, with the thickness of the main member plate on the car body as the variant, with the strength, rigidity and technology condition as the restraint. through the optimization analysis, the lighting design parameters of main plates in the car body bearing structure are obtained
在優化設計模型中,以車體承載結構重量最輕為目標,以車體主要板梁件的尺寸參數為設計變量,以強度、剛度和工藝條件為約束,通過優化分析,獲得了車體承載結構主要板梁件的輕量化設計參數。Thus, following an in - process gaging, an out - of - tolerance condition will be fed back, and the tool offset will automatically modified to achieve the desired part dimensions
因此,一個運行中的計量器,在超出閾值時會做出反饋,並且這些工具消除會自動地改良並得到想要的尺寸。Inorganic nanoparticles have lots of special properties due to their surface effect, dimension effect, interface effect and quantum effect. nanogold is one of such particles which have high surface ratio, strong absorptive ability and good biocompatibility, so it is widely used in the fields of molecular recongization, gene analysis and catalysis
無機納米粒子的尺寸效應、量子效應、表面效應和界面效應使其具有許多獨特的性質,其中,納米金具有比表面積大、吸附力強、生物相容性好等物理化學特性,在分子識別和標記、基因分析及催化等領域得到廣泛應用。For small tolerance remaining dimension chains, if uses the conventional method of calculating dimension chain, some tolerance in the dimension chain will be compressed very small
摘要對于公差較小的余量尺寸鏈,若利用常規的尺寸鏈計算方法計算,其尺寸鏈中某些尺寸的公差可能被壓縮得很小,以致有可能超出設備的加工能力。So by dimensional chain calculation we can improve the design level of the products plot, determine the tolerance of parts economically, assure the machine precision, and improve the quality of the products
因此,根據產品技術要求,利用尺寸鏈進行計算,經濟合理的決定零部件的尺寸公差、模擬裝配過程,可以提高產品樣圖的設計水平,保證加工精度,提高產品質量,並使產品獲得最佳的技術水平和經濟效益。At the time of image processing, both size and shape of defects may be analyzed and measured according to the sound pressure distribution of focusing probe. and essence of the defects can be judged
在處理圖像時,通過對聚焦換能器聲場中聲壓分佈的特性分析獲得了缺陷的尺寸和形狀,由此判定缺陷的性質,實現了對缺陷的定性和定量研究。Namely, we test the normal workspiece firstly and save its measure value in the ems memory, and then we test the measured workspieces one by one and work out the size deviation. the measurement of 3d size adopts the principle of cross measurement
二維尺寸測量採用相對測量的方法,通過對標準工件的測量並將其結果儲存於內存中,再逐一對被測工件測量,得出被測工件的尺寸偏差。Mathematical model of optimum design is given with minimal steel consumption of construction and constrains of the code. based on oop of ansys program, the number of times and the size etc. are given
以結構在各種工況下滿足規范要求為約束條件建立數學模型,藉助ansys面向對象程序設計技術進行優化設計,得出了結構優化次數與結構用鋼量、截面尺寸的關系。分享友人