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排序方式: 共有1049条查询结果,搜索用时 15 毫秒
1.
很多大学都坐落在蒙特利尔,如康考迪亚大学、魁北克大学蒙特利尔分校(UQAM)以及蒙特利尔大学(UdeM)。自从这些大学建校以来,其校园就是一直是主要建筑作品的栖息地。本文将围绕着康考迪亚大学的工程学、计算机科学和视觉艺术这几个学科的综合大楼(EV-Complex)、UQAM市区校园的扩建建筑以及作为UdeM的扩建项目——高等综合理工学院一部分的Claudette MacKay Lessonde和Pierre Lassonde馆展开论述。虽然这些工程都拥有相似的建筑感,但它们也展示了极为不同的设计技巧。 相似文献
2.
Susan D. F. Kustas A. B. Kellogg R. A. Carroll J. D. Michael J. R. Karaman I. 《Metallurgical and Materials Transactions A》2021,52(9):4090-4099
Metallurgical and Materials Transactions A - Equal channel angular extrusion (ECAE) of 49Fe-49Co-2V, also known as Hiperco® 50A or Permendur-2V, greatly improves the strength and ductility of... 相似文献
3.
Roger L. Creighton J. Douglas Carroll Jr. Graham S. Finney 《Journal of the American Planning Association. American Planning Association》2013,79(2):96-103
In city planning, data-processing machines permit the rapid handling and summarization of data in housing, renewal, land use, transportation, and basic urban research. Electronic computers. specifically, are exciting because they offer a means of solving complex city planning problems, especially in forecasting land use and travel demand. For most planning operations punched card data processing is superior to other processes. The functions of these machines are described herein and three examples of data processing are elaborated on. In future years, planning techniques may have to be altered considerably to take advantage of the potentials of data processing. 相似文献
4.
Carroll W. McGuffey III 《Natural Gas \u0026amp; Electricity》2017,33(10):7-10
On November 8, 2016, the citizens of the United States elected not just a new government, but a very different government. With the election of Donald Trump as the 45th president of the United States and the results in the many contested congressional races, the pendulum of politics swung, perhaps harder than it has swung in at least several decades. 相似文献
5.
Joseph E. Carroll 《Journal of Engineering Mathematics》2017,105(1):67-83
Various viscoelastic models, such as the standard linear solid, Maxwell model, and Kelvin–Voigt model, are frequently used to describe the behavior of biological materials from single cells to tissues. These models are expressed mathematically as simple differential equations, called constitutive equations, which relate the applied force (stress) to the resulting deformation (strain) of the material. Networks of these models, representing materials with heterogeneous mechanical properties, are described by systems of constitutive equations. We prove that the eigenvalues associated with such systems are all nonpositive real numbers, find bounds for them, and indicate how they can be estimated quickly and accurately. We then give formulas for the analytical solutions of the system of equations. 相似文献
6.
Mohamad-Ali Mortada Thomas Carroll III Soumaya Yacout Aouni Lakis 《Journal of Intelligent Manufacturing》2012,23(2):289-302
There is a small subset of any repairable component population that can develop a failure mode outside the scope of the standard
repair and overhaul procedures, which makes them “rogue”. When this happens, a Darwinian-like “natural selection” phenomenon
ensures that they will be placed in the most disadvantageous position in the asset management program, negatively affecting
multiple aspects of the operational and maintenance organizations. Rogue components have long plagued the airline industry
and created havoc in their asset management programs. In this paper, we describe how these rogues develop, outline the natural
selection process that leads to their hampering the asset management program, and examine some of the negative impacts that
ensue. Then we propose a Condition based maintenance approach to control the development of these components. We explore the
use of a supervised learning data mining technique called Logical analysis of data (LAD) in CBM for the purpose of detecting
rogues within a population of repairable components. We apply the resulting LAD based decision model on an inventory of turbo
compressors belonging to an airline fleet. Finally, we evaluate the applicability of LAD to the rogue component detection
problem and review its efficiency as a decision model for this type of problem. 相似文献
7.
Polymer-magnetite nanoparticle complexes that respond to both magnetic fields and to temperature have been demonstrated. Novel alkyl halide-functional bis(diethylphosphonate) esters were prepared and utilized as initiators for polymerizing N-isopropylacrylamide by controlled atom transfer radical polymerization. The phosphonate esters were removed after polymerization to afford poly(N-isopropylacrylamide) with a bis(phosphonic acid) moiety precisely placed at one terminus. The bis(phosphonic acid) endgroups were adsorbed onto magnetite nanoparticles to yield nanoscale complexes that were stable against any polymer desorption and that were colloidally-stable in physiological media. Thus, the bis(phosphonate) endgroup provides a robust anchoring moiety onto the magnetite. Hydrodynamic sizes of the complexes were predicted with a density distribution model and using the measured sizes of the magnetite cores. Good agreement between the measured and predicted hydrodynamic sizes suggested that the complexes were primarily discrete, non-agglomerated nanoparticles. The complexes exhibited thermosensitive aggregation behavior near the lower critical solution temperature of the poly(N-isopropylacrylamide) component. 相似文献
8.
9.
A. Akturk K. Eng S. Potbhare R. Young M.S. Carroll 《Microelectronic Engineering》2010,87(12):2518-2524
Compact modeling of MOSFETs from a 0.35 μm SOI technology node operating at 4 K is presented. The Verilog-A language is used to modify device equations for BSIM models and more accurately reproduce measured DC behavior, which is not possible with the standard BSIM model set. The model presented exhibits convergent behavior and is shown to be experimentally accurate at 4 K. No design tool currently in place exhibits convergence and/or accuracy over this range. The Verilog-A approach also allows the embedding of nonlinear length, width and bias effects into BSIM calculated curves beyond those that can be achieved by the use of different BSIM parameter sets. Nonlinear dependences are necessary to capture effects particular to 4 K behavior, such as current kinks. The 4 K DC behavior is reproduced well by the compact model and the model seamlessly evolves during simulation of circuits and systems as the simulator encounters SOI MOSFETs with different lengths and widths. The incorporation of various length/width and bias dependent effects into one Verilog-A/BSIM4 library, therefore, produces one model for all sets of devices called up in a given product design kit (PDK) for this technology node. 相似文献
10.