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  • Trade and Heterogeneous Labor

    We show in the context of a new economic geography model that when labor is heterogenous trade liberalization may lead to industrial agglomeration and inter-regional trade. Labor heterogeneity gives local monopoly power to firms but also introduces variations in the quality of the job match. Matches ...

    /dl/510247.html

    标签: 经济、城市化和经济增长

    上传时间: 2016-04-02

    上传用户:kinda233

  • DAKOTA

    Computational models are commonly used in engineering design and scientific discovery activities for simulating complex physical systems in disciplines such as fluid mechanics, structural dynamics, heat transfer, nonlinear structural mechanics, shock physics, and many others. These simulators can be ...

    /dl/510304.html

    标签: Optimization and Uncertainty Quantification

    上传时间: 2016-04-08

    上传用户:huhu123456

  • 用于锂 - 硫电池的纳米结构金属氧化物和硫化物(1)

    Lithium–sulfur (Li–S) batteries with high energy density and long cycle life are considered to be one of the most promising next-generation energy-storage systems beyond routine lithium-ion batteries. Various approaches have been proposed to break down technical barriers in Li–S battery systems. ...

    /dl/516137.html

    标签: 电池 纳米结构 硫化物 金属氧化物

    上传时间: 2017-11-23

    上传用户:653357637

  • Bi-density twin support vector machines

    In this paper we present a classifier called bi-density twin support vector machines (BDTWSVMs) for data classification. In the training stage, BDTWSVMs first compute the relative density degrees for all training points using the intra-class graph whose weights are determined by a local sc ...

    /dl/520141.html

    标签: recognition Bi-density machines support pattern vector twin for

    上传时间: 2019-06-09

    上传用户:lyaiqing

  • CMPP3.0源码

    CMPP3.0源码 java实现 1.将common文件夹、MsgConfig.properties放于src根目录下。 2.修改MsgConfig.properties配置文件对应的内容为可用参数。 3.方法入口:common.msg.util.MsgContainer     sendWapPushMsg(String url,String desc,String cusMsisdn):发送web push短信;     & ...

    /dl/520977.html

    标签: CMPP3 源码

    上传时间: 2019-11-11

    上传用户:leonmomo

  • Stochastic Geometry and Wireless Networks Volume I

    Part I provides a compact survey on classical stochastic geometry models. The basic models defined in this part will be used and extended throughout the whole monograph, and in particular to SINR based models. Note however that these classical stochastic models can be used in a variety of contexts w ...

    /dl/522130.html

    标签: Stochastic Geometry Networks Wireless Volume and

    上传时间: 2020-06-01

    上传用户:shancjb

  • Waveform Desig

    The focus of this book is on developing computational algorithms for transmit wave- form design in active sensing applications, such as radar, sonar, communications and medical imaging. Waveforms are designed to achieve certain desired properties, which are divided into three categories correspondin ...

    /dl/522191.html

    标签: Waveform Desig

    上传时间: 2020-06-01

    上传用户:shancjb

  • High+Performance+RF+MEMS

    Micro-Electro-Mechanical Systems (MEMS) are miniature systems composed ofintegratedelectricalandmechanicalpartstosenseand/orcontrolthingsonaµmscale. The concept of MEMS is attributed to Richard Feynman’s famous talk on December 29th, 1959 [2,3]. Dr. Feynman foresaw many aspects of future MEMS deve ...

    /dl/522279.html

    标签: Performance High MEMS RF

    上传时间: 2020-06-06

    上传用户:shancjb

  • Power+Electronic+Modules+Design+Manufacture

    A power semiconductor module is basically a power circuit of different materials assembled together using hybrid technology, such as semiconduc- tor chip attachment, wire bonding, encapsulation, etc. The materials involved cover a wide range from insulators, conductors, and semiconduc- tors to organ ...

    /dl/522342.html

    标签: Manufacture Electronic Modules Design Power

    上传时间: 2020-06-07

    上传用户:shancjb

  • Switching+Systems+by+Invariance+Analysis1

    Switched systems are embedded devices widespread in industrial applications such as power electronics and automotive control. They consist of continuous-time dynamical subsystems and a rule that controls the switching between them. Under a suitable control rule, the system can improve its steady-sta ...

    /dl/522354.html

    标签: Invariance Switching Analysis1 Systems by

    上传时间: 2020-06-07

    上传用户:shancjb