線性粘度 的英文怎麼說
中文拼音 [xiànxìngniándù]
線性粘度
英文
linear viscosity- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
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The small packing adhesive, which is a modified product from ethylene - vinyl acetate copolymerized emulsion, has high solid content, low viscosity, and good adhesive strength. the product is up to the standard of foodstuff hygiene and suitable for the small package of the cigarette packing production line with stable adhesive application and the making speed up to 400 packs per minute. type i is for white card paper, while type ii is for golden card paper
小盒包裝膠系乙烯-醋酸乙烯共聚乳液改性產品,具有高固含低粘度粘接力強等特點,產品符合食品衛生標準,適用於卷煙卷包生產線的小盒包裝,施膠穩定,無開包等不良現象,車速可達400包分,型為白卡紙專用膠,型為金卡紙專用膠,具有極佳的初粘力和持粘力,對非極性材料的光滑表面有獨特的優良粘接性能,對各種難粘材料均可適用。At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage
同時運用高分子物理、含缺陷流變性物體的材料破壞理論等知識,對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線性粘彈性行為及其銀紋損傷現象進行了研究、分析與探討,通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論分析,以pmma試件的銀紋損傷面密度值為損傷變量,來嘗試尋求pmma銀紋損傷的一般規律,為研究pmma的細觀損傷提供了一種可行的損傷模型。Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated
第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響(包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化,油液的彈性模量等) ,並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation
附加變形對塑性子區域的剛度貢獻,看作是塑性子區域的邊界非線性,建立了構件端部子區域基於構件邊界非線性的鋼筋與砼之間的空間粘結滑移關系,能較真實地求得錨固區的粘結滑移、附加變形以及他們對構件空間非線性性能的貢獻,並運用於柱、裙梁的空間非線性分析之中。The section loss of steel bars and degradation of bond intensity were taken into consideration in this study in order to establish the finite element model of corroded reinforced concrete beam through simulating the bond slip behavior between steel bar and reinforced concrete based on nonlinear spring element
摘要在考慮銹蝕引起的鋼筋橫截面損失和粘結強度下降的前提下,利用非線性彈簧單元模擬銹蝕鋼筋與混凝土之間的粘結滑移性能,建立了銹蝕鋼筋混凝土梁的有限元分析模型。Increasingly widely use of nonlinear viscoelastic materials, use of materials under extreme conditions, along with frequent occurrence of delayed catastrophic accidents, all these make the study a pressing problem of initiation and crack growth of nonlinear viscoelastic fracture
隨著非線性粘彈性材料的廣泛使用和材料在極端條件下的使用,在長期荷載作用下頻繁出現的延遲性的災難性的事故使得非線性粘彈性的裂紋起裂時間和裂紋擴展速度的研究成為亟待解決的問題。In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size
本文根據粒度圖像的特點,採用非線性對比度增強處理改善顆粒顯微圖像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度圖像的適用性,在此基礎上提出了一種基於梯度圖像的動態閾值分割方法;對獲取的顆粒二值圖像進行形態濾波和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數,對珍珠粉等粉體粒度進行了測量。The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived
具體成果包括: 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點:雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長,在計算j積分時,計算方法簡單; 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸;採用不斷改善夾具的方法使得加載穩定; 3 、經過連續四個多月的時間得到了一組有用的實驗數據; 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。The mainly work has : the relation of boron contents and the average liner burning rate, through which chooseing suitable boron contents in these delay compositions ; the impact of different particle diameters on delay characteristics, by the means of granularity classfication ; the impact on delay characteristics through pre - treatment to the raw materials and improvement of mixing means ; and some other factors, such as the pressure of charge, loaded times, the charge mass of delay composition ; at last, the mechanical intensities of boron based delay compositions with some different binders
主要的研究內容有: b含量與線性平均燃速的關系,並由此選用b含量適合的延期藥;通過原材料的細化與粒度分級,研究了粒度對延期性能的影響;原材料預處理和混藥方式對延期性能的影響;以及影響延期性能的其它因素,如壓藥壓力、壓裝次數、裝藥量等;最後還研究了含不同粘合劑的硼系延期藥的壓藥藥柱強度(機械強度)等。Among the properties which do not show a leveling-off are the viscosities of solutions and melts.
溶液和熔體的粘度等性能曲線並不呈現平坦。The conclusions are as follows : ( 1 ) the compose of rpc has an effect on the bond behavior between cfrp bars and rpc : the bond strength between cfrp bars and rpc will increase with the decrease of water to cement ratio, but doesn ’ t obviously ; the adding of steel fiber can improve the bond behavior between cfrp bars and rpc significantly, but steel fiber will also effect the workability of rpc, consider the bond behavior and economy, the content of steel fiber should be 2 % ;. silica fume can improve the bond strength between cfrp bar and rpc, but the bond strength isn ’ t in proportion to the content of silica fume, in this experiment, the optimal content of silica fume is 0. 25 to 0. 35
試驗研究得到如下結果: ( 1 ) rpc的材料組成對rpc與cfrp筋粘結強度的影響: cfrp筋與活性粉末混凝土的粘結強度隨著水膠比的降低而提高,但是提高的幅度並不明顯;鋼纖維的摻入,可以顯著提高cfrp筋與rpc的粘結強度,但是鋼纖維的增強效果與摻量並不是線性增加的關系,從綜合經濟性及粘結強度兩方面考慮,鋼纖維的最佳摻量為2 % ;摻入硅灰有利於改善粘結性能,但其摻量有一最佳范圍,在本次試驗中,硅灰的最佳摻量為0 . 25 0 . 35 。The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure
應用matlab語言編制計算程序對各種工況的超孔隙水壓力消散、孔隙比隨時間和空間的變化進行了求解,對各種計算工況得到的以孔壓和變形表示的固結度的變化規律進行分析,說明滲壓體積力作用下淤填粘土的固結隨時間和空間的非線性分佈特性。( 4 ) a nonlinear model including the loss of cross - sectional area of corroded rebar, the reduction of mechanical properties of corroded steel and the degradation of the bond strength between concrete and corroded rebar was presented
氯離子擴散系數是一個隨時間、擴散深度和氯離子濃度變化的變量。 ( 4 )建立了考慮銹蝕鋼筋截面面積減小、力學性能下降以及混凝土與鋼筋之間粘結性能退化的非線性模型。In this paper, interpenetrating polymer networks ( ipn ) based on polysiloxane ( pdms ) and poly ( methyl acrylate ) ( pma ) were prepared by using ma monomer and two types of pdms, which viscosities were 3300pa s and 7000pa s respectively. pdms was crosslmked by tetraethyl orthosilicate
本論文制備了聚二甲基硅氧烷與聚丙烯酸甲酯的序列半互穿聚合物網路,其中聚硅氧烷為交聯結構,採用粘度分別為3300pa ? s和7000pa ? s兩個品種,聚丙烯酸甲酯為線性聚合物。4. based on energy equivalence and power equivalence method separately, the additional damping ratio formula of nonlinear viscous damper is derived and it ' s suggested power equivalence method is more suitable for nonlinear viscous damper. then the transforming equality between actual and spectra velocity of structure is derived, based on which, the additional damping ratio equation is revised
4 、分別採用能量等效方法和功率等效方法,推導了非線性粘滯阻尼器的附加阻尼比公式,指出功率等效法更適合於非線性阻尼器;推導了結構的實際速度和譜速度之間的轉換公式,基於該轉換公式修正了功率等效方法下的附加阻尼比計算公式。Introduces some anti - seepage high embankment dams in the world with bitumen concrete inclined core wall, and analyzes, taking the existing maopingxi embankment dam as an example, the effect of slope thereof on the stress and deformation of the wall by non - linear adhesive elastic finite element calculation changing the type and thickness of the core wall
摘要介紹世界上幾座瀝青混凝土斜心墻防滲高土石壩,並結合國內已建的茅坪溪瀝青混凝土心墻壩,通過改變其心墻形式和厚度,並用非線性粘彈性有限元對其進行計算分析,探討了斜心墻的傾斜斜率對心墻的應力與變形的影響。( 2 ) using craze density dcraze (, ) to illustrate the damage degree of material, considering strain equivalent hypothesis, non - linear visco - elastic constitutive equation of pmma taken into consideration of the operation of craze damage is arrived. the pmma sheet is loaded under different forces to validate the non - linear visco - elastic constitutive equation with damage. the result shows that the theory curves obtained by the nonlinear viscoelasticity constitutive relation agrees with experimental data considerably well
( 2 )用銀紋密度d _ ( craze ) ( , t )來描述材料的損傷度d ,在考慮應變等效性假設的基礎上,得到了pmma材料考慮損傷的非線性粘彈性材料的本構關系,運用此方程對材料在不同載荷水平下進行蠕變實驗,從而對蠕變條件下的應變響應進行模擬和預報。The relationship between j integral of nonlinear elastic double cantilever beam specimens and crack growth rate of nonlinear viscoelastic double cantilever beam specimens is derived. 7. predictions of theory and results of experiments are compared, and what cause error is discussed
5 、計算了改性聚丙烯雙梁對應的回復彈性j積分;得到裂紋擴展速度實驗數據與j積分的關系圖; 6 、推導了非線性回復彈性雙梁j積分與非線性粘彈性雙梁裂紋擴展速度的關系式;用理論公式預測了裂紋擴展速度理論值與j積分的關系圖; 7 、最後把理論預測和實驗結果做了比較。In the positive - issue research of bird impact, the thesis carefully explores the basic theories, finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation. the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues. under the proof work, the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived, coded and verified in ls - dyna3d
在鳥撞正問題的研究中,本文詳細推導了大變形粘彈性接觸-碰撞有限元分析的基本理論、數值計算方法、求解過程、關鍵技術以及上述內容在ls - dyna3d中的具體應用,算例考察了ls - dyna3d在求解碰撞以及大變形問題上的計算精度,同時推導了線彈性材料、雙線性彈塑性材料以及非線性粘彈性材料增量法迭代方程,編制了相應的用戶自定義材料子程序,並進行了子程序驗證。Toward different surgery simulation request, we simplify human soft tissue to linear model, nonlinear model, or stiff / elastic model. using stiffness coefficient, damping coefficient, and mass point density to represent the characters of stiff / elastic, anisotropy, and non homogenous of soft tissue
對應于不同的虛擬手術模擬要求,將人體軟組織簡化為線性、非線性、粘彈性物理模型,採用組織的彈性模量、阻尼系數、密度等物理特性表徵軟組織的粘彈性、各向異性、非均勻性等特性。分享友人