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modified plate
相关语句
  改良托板
     Application of Modified Plate in Finger Skin Traction
     改良托板在手指皮牵引中的应用
短句来源
  “modified plate”译为未确定词的双语例句
     A Modified Plate Transformation Method of Escherichia coli by Plasmids
     一种改良的大肠杆菌质粒平板转化方法
短句来源
     Refering to Katlstrom and Olerud Grading Standard, the excellent were in 13 cases and good in 2. Conclusion The modified plate has a rationally mechanical composition.
     参照Katlstrom和Olerud评定标准,优13例,良2例。
短句来源
     A modified plate culture method was used to establish the biofilm model of PA17. Semi-quantitative RT-PCR was used to determine the expression level of algD, algU and algR during the biofilm formation. One-Way ANOVA was used to identify the significance of the difference.
     改良平板培养法建立PA17的生物被膜模型,半定量RT-PCR测定生物被膜形成24h、3d、6d时藻酸盐合成相关基因algD、algU和algR的表达,并进行统计学分析;
短句来源
     It was showed that the modified plate transformation method was of higher transformation efficiency and maintenance than classic CaCl_2 method when transformed by plasmid of higher molecular weight.
     改良的平板转化法对大分子量DNA的转化无论在转化效率还是转化保持能力上都大大优于传统CaCl2转化法。
短句来源
     The morphology of PAO1 and PAO-JP2 was observed by Atomic force microscopy(AFM); The modified plate culture method was used to establish biofilm model in vitro;
     采用改良的组织培养平板法建立PAO1及PAO-JP2生物被膜模型;
短句来源
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  相似匹配句对
     of modified P.R.
     R.
短句来源
     Development of Modified UHMWPE Filter Plate
     改性超高分子量聚乙烯滤板的研制
短句来源
     Application of Modified Plate in Finger Skin Traction
     改良托板在手指皮牵引中的应用
短句来源
     MODIFIED POLYPROPYLENE
     聚丙烯的改性
短句来源
     plate structure ?
     第二部分:绘画中“板块结构”原理的探究
短句来源
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  modified plate
An alternate method for preparative chromatography, moving feed-injection system was studied with a modified plate model and was compared with the conventional preparative case.
      
A modified plate and screw method of fixation of the lateral masses of the atlas and axis was successfully used in these cases.
      
The Crystalens is a modified plate haptic IOL designed to offer patients accommodation.
      
The Crystalens is a modified plate IOL with a hinge at the junction of the plate haptic and the optic.
      
Model AT-45 Accommodating Posterior Chamber Intraocular Lens is a modified plate haptic lens with hinges across the plates adjacent to the optic.
      


A three dimensional theory of elasto-dynamics solution is developed for the free vibration of simply supported transversely isotropic thick rectangular plates. It is shown that the characteristic equation for the natural frequencies can be presented as the product of three factors; each of them is corresponding to the thickness twisting motion, asymmetric motion and symmetric motion respectively. Throuqh the numerical example, the effects of anisotropic behavior on the nature frequency are investigated and the...

A three dimensional theory of elasto-dynamics solution is developed for the free vibration of simply supported transversely isotropic thick rectangular plates. It is shown that the characteristic equation for the natural frequencies can be presented as the product of three factors; each of them is corresponding to the thickness twisting motion, asymmetric motion and symmetric motion respectively. Throuqh the numerical example, the effects of anisotropic behavior on the nature frequency are investigated and the comparison with classical plate theory as well as Mindlin's thick plate theory are also carried out. The numerical results show that the anisotropic effects become notable as the frequency increases. Especially, the ratio between in-plane and transverse Young's module has a notable effect on high order frequcneies. This conclusion can not be obtained by using the general modified plate theory.

本文用横观各向同性体的弹性力学方程,分析了四边简支横观各向同性矩形板的自由振动问题。平板自振频率的特征方程可以分解成三个因子的乘积,它分别对应于厚度剪切振动、反对称振动和对称振动。通过数值算例,考察了非各向同性对自振频率的影响,并同经典理论、Mindlin修正理论作了比较。计算表明,板的面内和横向杨氏模量之比,对高阶自振频率有较大的影响,而一般的修正理论都不能得到这个结论。

In this paper, the chemical structure of aviation perspox have been modified by the copolymerization of two crosslinking agents (allyl methacrylate, diethylene glycol dimthacrylate) with methly methacrylate and methacrylic acid, and four lightly cross linking organic glass plates have been manufactured. Various tests, such as aging stability, heat—mechanical (tensile and impact) properties, transparence, stress—solvent crazing, degree of crosslinking, DMD and infrared spectra of these plates...

In this paper, the chemical structure of aviation perspox have been modified by the copolymerization of two crosslinking agents (allyl methacrylate, diethylene glycol dimthacrylate) with methly methacrylate and methacrylic acid, and four lightly cross linking organic glass plates have been manufactured. Various tests, such as aging stability, heat—mechanical (tensile and impact) properties, transparence, stress—solvent crazing, degree of crosslinking, DMD and infrared spectra of these plates were evaluated and compared with aviation perspex YB3 and YB4 in structure and properties. The results of the studies show that all above—mentioned properties of modified plates is better than aviation perspex YB3 and YB4. So lightly copolymerization—crosslinking is the most effective method to improve heat—mechanical properties and aging—resistence of organic glass plates.

本文采用甲基丙烯酸酯类交联剂对目前使用的航空有机玻璃进行共聚交联结构改性,制备了轻度交联改性有机玻璃板材,并对这些板材的耐人工大气老化性能、热一力学性能、透光率、耐应力—溶剂银纹、DMA以及红外光谱分析进行了试验与研究。结果表明,轻度交联有机玻璃板材的上述性能均优于YB3与YB4航空有机玻璃。

The computational model of sound transmission through a stiffened plate excited by a harmonic oblique incident plane wave and mounted in an infinite baffle using the coupled finite element/boundary element approach is presented. The finite element method is used to model the structure and the boundary element method based on the Rayleigh integral on the plate surface is employed for the acoustic fluid. The proposed model takes the acoustic fluid structure coupling into account. The sound transmission...

The computational model of sound transmission through a stiffened plate excited by a harmonic oblique incident plane wave and mounted in an infinite baffle using the coupled finite element/boundary element approach is presented. The finite element method is used to model the structure and the boundary element method based on the Rayleigh integral on the plate surface is employed for the acoustic fluid. The proposed model takes the acoustic fluid structure coupling into account. The sound transmission losses through stiffened plates are calculated and discussed with the proposed model. The numerical results show that: the sound transmission losses are closely dependent on the natural frequency of the structure and the excitation frequency and it is important to detune the structural resonant frequency away from the excitation frequency; the position of minimum values of the sound transmission losses curve varies with the changes of the structural nutural frequencies after modifying plate thickness and moment of inertia of stiffeners; an increase in the plate thickness or the moment of inertia of stiffeners reduces the sound transmission through stiffened plates markedly from air to air and mildly from air to water.

采用耦合的有限元 /边界元方法 ,建立了考虑流体结构耦合的加筋板结构声传输计算模型 ,并利用该模型计算研究了加筋板的声传输特性。数值计算表明 :结构的传声损失与结构的固有频率和激励频率密切相关 ,避免共振仍是首要的 ;改变板厚或肋骨惯性矩后 ,由于结构固有频率发生了变化会使得结构传声损失曲线上极小值的位置发生改变 ;当声波从空气经结构向空气中传递时 ,增大板厚或肋骨惯性矩可明显增大结构的传声损失 ;而当声波从空气经结构向水中传递时 ,增大板厚或肋骨惯性矩也增大了结构的传声损失 ,但效果明显不如当声波从空气经结构向空气中传递时显著。

 
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