A familiar illustration is provided by the force upon a stationary platform while a uniform flexible chain falls upon it from a hanging position. 当一个均匀而柔软的链子从悬挂位置落到静止平台上时,作用在平台上的力提供了一个熟知的例证。
Research on the Flexible Critical Chain Management Based on Strategic Alliance 战略联盟视角的柔性关键链项目管理研究
Based on the analysis of the flexible supply chain system, we proposed operable evaluation system of supply chain flexibility, since the measurement of manufacturing system can not meet the need. 用于度量制造系统柔性的方法由于其局限性不适合度量供应链的柔性,本文在对供应链柔性系统分析的基础上,建立了供应链柔性评价系统。
Research on Low Temperature Properties and Toughness of Epoxy Resins Modified with Flexible Side Chain 柔性侧链改性环氧树脂的低温增韧研究
Abstract: The phase transitions of molecular system consisted by double rectangular plates connected by flexible chain are studied in this paper. 摘要:对弹性键相连的双矩形板液晶分子系统的相变进行了研究。
Poly ( ethylene glycol) ( PEG) is a hydrophilic polymer which has flexible long chain. 聚乙二醇是一类亲水性长链聚合物。
A series of thermotropic liquid crystal aromatic copolyesters with different length of flexible chain spacer have been investigated by FTIR. 本文用富里叶红外光谱方法研究了一系列柔性间隔链段长度不等的芳香共聚酯热致性液晶高分子。
The supplier selection in the flexible supply chain is discussed under uncertain demand conditions. 在需求不确定的条件下,对柔性供应链上供应商选择问题的研究十分重要。
A novel aromatic-ether-containing polyesterimide unsaturated resin ( AEPUR) with flexible chain was synthesized and its structure was characterized by FT-IR. 合成了一种带柔性链的芳醚型聚酯亚胺不饱和树脂(AEPUR),采用红外光谱技术对其结构进行了表征。
The influence of rigid chain and flexible chain in macromonomer chain with the performances of materials was analysed. 分析了大单体分子链中刚性链段和柔性链段对材料性能的影响。
A series of reactive toughening accelerators ( LCEU PEG) containing both the flexible chain and rigid chain liquid crystal unit were synthesized and used to toughen the epoxy resin/ dicyandiamide curing system. 合成了既含聚乙二醇醚(PEG)柔性链、又含刚性液晶结构单元的活性增韧促进剂(LCEUPEG),对其促进环氧树脂/双氰双胺体系的固化反应活性、反应机制;
Due to the long and flexible chain of PEG, PEG supported substrates could maintain high reactivity so that the reactions involved could be carried out under mild conditions in good yields. 由于PEG具有柔韧的长链而不会对链端连接的反应中心的活性产生影响,因此该反应在均相体系中进行,不仅反应条件温和,产率良好,而且反应还具有良好的选择性。
On Constructing Flexible Supply Chain 试论柔性供应链的构建
Optimal Model of Flexible Supply Chain and its Applications 柔性供应链优化模型及其应用
Based on it, the character of flexible software, flexible data-operator component, key function, flow and the character of flexible supply chain management system were studied. 在此基础之上,对柔性软件的特征、柔性数据操作组件、柔性供应链管理系统的核心功能、流程和特征等方面进行了研究。
Single Chain Glasses and Single Crystals of Flexible Chain Polymers 柔性链高聚物的单分子链玻璃体和单晶
Flexible Supply Chain's Operations Model and Its Optimization 柔性供应链作业层模型及其优化
Therefore, the upper level controller and lower level conveyor and associated kits were dismantled, and a bracket for concave guide and flexible chain was installed. 为此,对该机组进行了改造:①拆除烟支上位控制装置和烟支下位传送装置及其组件;②设计加工并安装凹形导板和柔性搭链的支架。
The Research and Application on Data Strategy of Flexible Supply Chain 柔性供需链系统的数据策略研究与应用
Studies on the preparation of ep/ sio_2-tio_2 nanocomposites containing the flexible chain 含柔性链EP/SiO2-TiO2纳米复合材料的制备
Traditional supply chain cannot accommodate such market dynamics, but flexible supply chain caters to such feature with quick response to market changes and customer needs. 传统的供应链不能适应这样的市场动态特征,而敏捷供应链正是强调了这样的动态特征,这种对市场变化以及用户需求做出快速响应的能力。
The result suggests that the interaction between the mesogenic cores is dominant in forming the mesophase, while the interaction between flexible chain spacers is very weak. 并将谱带的变温行为与液晶转变相关联。结果表明,芳香共聚酯热致性液晶中液晶基元之间的相互作用很强而柔性间隔链之间的相互作用很弱。
The experiment results show that the highly flexible chain segment movement of siloxane backbone near or higher than the glassy transition temperature supplies enough free room for the movement of mesogens. 结果表明:在环硅氧烷液晶玻璃化转变温度附近(或以上)对其进行长期的热处理过程中,高度柔性硅氧烷主链链段的运动为介晶基元的运动提供了充分的自由空间;
Flexible Supply Chain ′ s Optimization Model and Its Application 具有柔性的供应链模型优化问题及其应用
This dissertation puts forward eight application principles of FCCM, the application design of FCCM under the environment of single project and multi-projects, thereby shows the intact course of constructing flexible critical chain plan under various kinds of environments. 提出了FCCM的八条应用法则。提出了FCCM在单项目和多项目环境下的应用设计,从而展示了构造各种环境下的柔性关键链计划的完整过程。
Uncertainty has become an important symbol under the conditions of modern competition, while the flexible supply chain is a very good way to resolve it, which has been concerned widely by the theoretical circle and in business. 不确定性已成为现代竞争条件下的重要标志,柔性化的供应链管理是目前提出的一个较好解决不确定性的办法,引起了理论界和企业界的广泛关注。
This paper investigates the toughness of the epoxy structure adhesive by adding nano materials, rubber elastomers, interpenetrating polymer network structure and flexible chain section curing agent. 本文通过添加纳米材料、橡胶弹性体、互穿网络结构聚合物、柔性链段固化剂等四种增韧材料,对环氧建筑结构胶粘剂的韧性进行了实验研究。
For PPES-DA/ BDM/ DABPA and PPES-BMI/ BDM/ DABPA, functional groups can participate in curing reaction, decrease crosslinking density and introduce flexible chain segment. 对于PPES-DA/BDM/DABPA和PPES-BMI/BDM/DABPA共混体系来说,除了具有PPES树脂的作用外,反应性端基又可以参与固化反应,降低交联密度并在交联网络中引入柔性段。
Therefore, with the end of the flexible chain length increases, the liquid crystal phase of coil-rod-coil oligomers is reduce, and self-assembly tends to disorder. 由结果可知随着末端柔性链长度的增加,线团-刚棒-线团低聚物的液晶相是减少的,并且自组装趋向于无序化。
When the flexible chain length the same, with the center of rod lateral groups length increases, the coil-rod-coil oligomers easy to self-assemble into a larger surface area of the phase structure. 当柔性链长度相同时,随着刚棒中心支链长度的增加,线团-刚棒-线团低聚物容易自组装成表面积较大的相结构。