Design and Implementation of Telecom Customer Relationship Management System

当今互联网技术飞速发展，经济发展进入了互联网经济时代，每家企业都在进行着大改革，能否搭上这一改革的浪潮，是每家企业的经营者都应该去深刻思考的。互联网经济，是一个新的时代，以客户为核心,新的时代对企业提出了客户关系管理(CustomerRelationshipManagement，CRM)的要求。CRM的优势就在于吸引维系高价值的客户。CRM是一种以用户为核心的企业管理策略，将这一策略代入企业的日常经营活动，能够高效处理企业与客户之间所有的联系。CRM把“以客户为中心”在整个客户生命期中体现贯穿，这也体现了CRM系统是把客户视为企业运作的核心。 中国电信企业信息化的战略目标是面向企业转型和聚焦...Nowadays, with the rapid development of the Internet technology, economic development has moved into the era of the Internet economy. On this situation, all enterprises should think deeply that how to catch up with the tide of the Internet reform. Internet economy, a new era with the customer as the core, requires the enterprise to meet the demand of the CRM (Customer Relationship Management,CRM),...学位：工程硕士院系专业：软件学院_软件工程学号：X201323199

JUNO Sensitivity on Proton Decay p→νˉK+p\to \bar\nu K^+ Searches

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this paper, the potential on searching for proton decay in $p\to \bar\nu K^+$ mode with JUNO is investigated.The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits to suppress the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar\nu K^+$ is 36.9% with a background level of 0.2 events after 10 years of data taking. The estimated sensitivity based on 200 kton-years exposure is $9.6 \times 10^{33}$ years, competitive with the current best limits on the proton lifetime in this channel

JUNO sensitivity on proton decay p → ν K + searches*

The Jiangmen Underground Neutrino Observatory (JUNO) is a large liquid scintillator detector designed to explore many topics in fundamental physics. In this study, the potential of searching for proton decay in the $p\to \bar{\nu} K^+$ mode with JUNO is investigated. The kaon and its decay particles feature a clear three-fold coincidence signature that results in a high efficiency for identification. Moreover, the excellent energy resolution of JUNO permits suppression of the sizable background caused by other delayed signals. Based on these advantages, the detection efficiency for the proton decay via $p\to \bar{\nu} K^+$ is 36.9% ± 4.9% with a background level of $0.2\pm 0.05({\rm syst})\pm$$0.2({\rm stat})$ events after 10 years of data collection. The estimated sensitivity based on 200 kton-years of exposure is $9.6 \times 10^{33}$ years, which is competitive with the current best limits on the proton lifetime in this channel and complements the use of different detection technologies