There are two basic factors that determine the product structure in Boston matrix: the market attraction and the enterprise strength.
波士顿矩阵认为一般决定产品结构的基本因素有两个:即市场引力与企业实力。
The strength is calculated by the transfer matrix method and stability is computed by spline energy method.
强度分析采用迁移矩阵法,稳定性分析采用样条能量法。
The finite element method is used to analyze the relationship between strength and stress of the particle reinforced iron matrix composites and the shapes, sizes and fraction volume of the particles.
采用有限元方法分析了颗粒增强铁基复合材料强度和应力与颗粒形状、尺寸以及体积分数的关系。
The formation process of graphite and matrix structure in high strength synthetic casting iron was analyzed and compared with the microstructure of common grey iron.
分析了高强度合成铸铁中石墨和基体组织的形成过程,并将其与普通灰铸铁的显微组织进行对比。
Method: Detecting the anti-tension strength of acellular matrix before and after SDS washing and glutaraldehyde cross-linking, observing its influence to the matrix physical behavior.
方法:检测SDS洗涤前后及戊二醛交联后脱细胞生物基质的抗拉强度,观察sds洗涤及戊二醛交联对它的影响。
GRP tensile strength mainly depends on warp and weft fibers in woven cloth, property of matrix resins and their combination.
玻璃钢拉伸强度主要取决于玻璃布经纬向的玻璃纤维和基体树脂的性能以及两者之间的组合状态。
Mechanical analysis and calculation of the truck's metal construction are made by the matrix method, and the strength, rigidity and stability of the metal construction are checked.
运用结构力学的矩阵分析法和计算机对抽芯作业车主体金属结构做了力学分析与计算,进而校核主体金属结构的强度、刚度和稳定性。
After the specimens were sintered, with the decrease of the content of mullite in matrix the bend strength decreased, but the refractoriness under load increased.
达到烧结后,试样的常温强度随基质中莫来石含量的减少逐渐降低,高温荷重软化温度逐渐升高。
Meta bainite is also a desirable matrix for development of high strength ultra grade steel.
准贝氏体是高强度超级钢的一种理想的基体组织。
When blend modification of HTPB and PU are done, the apparent crosslinking density of PU matrix in - creases, and the tensile strength of propellant enhances.
将端羟基聚丁二烯与聚氨酯进行共混改性,提高了聚氨酯基体的表观交联度及推进剂的拉伸强度。
Based on the testing results, the influence of matrix strength grades and fiber geometry on shear behaviors was discussed and the mathematics model of shear behaviors was established.
根据实验结果,探讨基体强度等级和纤维外形对混凝土抗剪性能的影响,并根据材料复合理论建立起钢纤维混凝土抗剪性能的数学计算模型。
The four-point-bending method is a comparatively ideal method to evaluate the adhesion strength Of vapor deposited film to matrix is given in this paper.
本文指出四点弯曲法是定性分析和定量计算气相沉积薄膜与基体结合强度的较理想的方法。
Based on the testing results, the influence of matrix strength grades and fiber geometry on shear behaviors was discussed and mathematics model of shear behaviors was established.
根据实验结果,探讨基体强度等级和纤维外形对混凝土抗剪性能的影响,并根据材料复合理论建立起钢纤维混凝土抗剪性能的数学计算模型。
The former two types are brittle ones, and the fracture strain of pyrolytic carbon matrix is the controlling factor of the strength.
前两种为脆性断裂方式,热解炭基体的断裂应变是这类材料强度的控制因素。
The results show that interface element diffusion and reaction on interface in vacuum hot-pressing sintering processing improved interface strength. Fracture occurred mainly in Al matrix.
结果表明,真空烧结过程中出现了界面反应,改善了界面结合强度,断裂破坏主要在基体上进行。
The matrix of Chinese Medicine Patcher was studied by uniform design and taking adhesion strength as index.
采用均匀设计法,以粘着强度为指标,筛选中药巴布剂基质。
The strength and modulus of elasticity of matrix increase from almost zero, then at a certain age up to those of the coarse aggregate, and even exceed for lightweight concrete.
基体的强度和弹性模量从零开始增加,到一定龄期后接近集料分散相,对于轻集料混凝土,基体的强度和刚度在一定龄期还将超过集料分散相。
At last, the failure strength riles of matrix, particle and interface were obtained respectively.
最后分别提出基体、颗粒和界面的失效强度准则。
Compared to the matrix resin, this nano hybrid resin has shown reduction of volume shrinkage 38% and increase of tensile strength 31%.
该纳米复合树脂与基体树脂相比较,体积收缩率降低38%,拉伸强度提高31%。
It was concluded that the interlaminar tensile strength of the composite is dominated by the bonding strength of the interface between fiber and matrix, not by lay-up orientation.
结果表明:该复合材料层间拉伸强度较少受到铺层取向的影响,而由纤维与基体的界面结合强度所控制。
The microstructure examined by SEM and TEM indicates that the increase in bending strength is found to be dependent on the load shift from matrix to the whisker.
用SEM和TEM观察了材料的显微结构,指出弯曲强度增加是由于荷载从基体转移到晶须。
And the acellular dermal matrix modified by epoxy compound is improved a lot in tensile strength and a certain increase in shrinkage temperature.
环氧化合物改性后脱细胞真皮基质的拉伸强度大幅度提高,收缩温度也相应提高。
It was shown that the increased elastic modulus and yield strength relative to the elastic modulus and the yield strength of the matrix depend mainly on the contribution from the stress transfer.
分析表明,复合材料的弹性模量和屈服强度相对于基体材料弹性模量和屈服强度的增加主要来自应力传递的贡献。
The results showed the use of MNR could improve the compatibility of PF with PVC matrix, and the impact strength of the composite was increased obviously.
研究结果表明,MNR可以较好地改善PF与PV C基体的相容性,显著提高材料的冲击强度。
The key technical problems of the bond strength between the matrix and steel body, the concentricity and diamond segments sealing off from the body are successfully resolved in the studies.
本研究成功地解决了胎体与钢基体结合强度、同心度及金刚石掉块等关键技术问题。
The strengthening mechanisms and strength prediction have always been the focus of investigation, because these are critical to the design of metal matrix composites (MMCs).
复合材料的强化机制和强度预报一直是材料学的研究热点,因为这涉及到材料的组织设计问题。
Coating with the underlying bond strength with the matrix on the cleanliness and roughness.
涂层与基本的结合强度与基体清洁度和粗糙度有关。
This kind of welding makes the change of the aggregative structure in seam zone thus resulting in a slightly better strength in this zone than in the matrix.
热板焊接导致了焊缝区的聚态结构发生变化,从而使焊接接头的强度略高于母体强度。
At the same time, the shear strength contributed from matrix suction was analyzed, and the differences between the linear failure envelope with the nonlinear failure envelope were compared.
同时针对吸力对非饱和土强度的贡献进行了分析,利用试验成果对强度包线的线性和非线性进行了比较。
In this paper, the relation of tensile strength, tensile modulus and breaking elongation of unsaturated polyester casting matrix cured at room temperature to curing degree was discussed.
本文讨论了常温固化不饱和聚酯树脂浇涛体的拉伸强度、拉伸模量、断裂延伸率与固化度之间的关系。
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