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养殖场空场管理流程与要点
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作者 毛东有 陈文平 +1 位作者 张妹 杨洪敏 《河南畜牧兽医(市场版)》 2020年第8期41-42,共2页
随着养殖业的发展和信息化时代的到来,广大养殖户越来越多地接受新的养殖理念,也在不断地寻找和制定符合自身发展需求的养殖方法,总结相关的经验.随着物流运输业的发展,一日千里已不是难事.随之而来的活禽运输、鸡蛋的运输也给疾病的传... 随着养殖业的发展和信息化时代的到来,广大养殖户越来越多地接受新的养殖理念,也在不断地寻找和制定符合自身发展需求的养殖方法,总结相关的经验.随着物流运输业的发展,一日千里已不是难事.随之而来的活禽运输、鸡蛋的运输也给疾病的传播带来了便利,区域性流行疾病成为全国性的疾病,而且很多疾病一旦进入鸡场之内就很难根除,尤其是鼻炎和支原体病这类疾病.空场管理是切断疾病批次间传播的重要途径之一,做好空场管理,对于鸡群生产性能的发挥,实现较好的经济效益有着很重要的作用. 展开更多
关键词 养殖方法 支原体病 流行疾病 自身发展需求 空场管理 活禽 养殖 养殖业
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浅谈蛋鸡生产中的空场管理
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作者 李本胜 王英 《中国畜牧杂志》 CAS 北大核心 2012年第10期61-62,共2页
蛋鸡养殖过程中,切断不同养殖批次之间的病原传播对于提高蛋鸡生产效率至关重要。本文介绍了养殖场如何运用"全进全出"两段式饲养模式进行纵向隔离管理,以防控疫病传播,期望为蛋鸡养殖者提供参考和借鉴。
关键词 蛋鸡 纵向隔离 空场管理
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蛋鸡场“全进全出”饲养模式下的空场管理方案
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作者 崔山 庞利娜 《中国畜牧杂志》 CAS 北大核心 2013年第10期63-64,共2页
现代蛋鸡养殖场大多数采用"全进全出"式饲养模式,做好空场管理工作是净化养殖场环境和切断疾病传播的重要举措。本文简要综述了蛋鸡场"全进全出"饲养模式下的空场管理方案,希望为同行提供参考和借鉴。
关键词 蛋鸡 全进全出 空场管理
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规模化蛋鸡养殖小区空场管理操作规程
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作者 矫洪英 《中国畜牧杂志》 CAS 北大核心 2013年第16期68-70,共3页
空场管理是"全进全出"饲养模式的一个关键环节,做好空场管理是彻底净化养殖环境,切断"鸡与鸡"、"物品与鸡"传播途径,确保上一批次鸡群不对下一批次鸡群健康造成影响,从而发挥蛋鸡最佳生产性能的重要举措... 空场管理是"全进全出"饲养模式的一个关键环节,做好空场管理是彻底净化养殖环境,切断"鸡与鸡"、"物品与鸡"传播途径,确保上一批次鸡群不对下一批次鸡群健康造成影响,从而发挥蛋鸡最佳生产性能的重要举措。本文通过多年实践经验,结合四个到位管理机制,总结出"移、扫、冲、烧、消、干、喷、熏"鸡舍冲洗管理流程,供同行参考借鉴。 展开更多
关键词 空场管理 蛋鸡 养殖小区
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Bilevel Programming Model for Joint Scheduling of Arrival and Departure Flights Based on Traffic Scenario 被引量:5
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作者 JIANG Hao LIU Jixin ZHOU Wenshen 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI CSCD 2021年第4期671-684,共14页
In order to meet the needs of collaborative decision making,considering the different demands of air traffic control units,airlines,airports and passengers in various traffic scenarios,the joint scheduling problem of ... In order to meet the needs of collaborative decision making,considering the different demands of air traffic control units,airlines,airports and passengers in various traffic scenarios,the joint scheduling problem of arrival and departure flights is studied systematically.According to the matching degree of capacity and flow,it is determined that the traffic state of arrival/departure operation in a certain period is peak or off-peak.The demands of all parties in each traffic state are analyzed,and the mathematical models of arrival/departure flight scheduling in each traffic state are established.Aiming at the four kinds of joint operation traffic scenarios of arrival and departure,the corresponding bi-level programming models for joint scheduling of arrival and departure flights are established,respectively,and the elitism genetic algorithm is designed to solve the models.The results show that:Compared with the first-come-firstserved method,in the scenarios of arrival peak&departure off-peak and arrival peak&departure peak,the departure flight equilibrium satisfaction is improved,and the runway occupation time of departure flight flow is reduced by 38.8%.In the scenarios of arrival off-peak&departure off-peak and departure peak&arrival off-peak,the arrival flight equilibrium delay time is significantly reduced,the departure flight equilibrium satisfaction is improved by 77.6%,and the runway occupation time of departure flight flow is reduced by 46.6%.Compared with other four kinds of strategies,the optimal scheduling method can better balance fairness and efficiency,so the scheduling results are more reasonable. 展开更多
关键词 air traffic management arrival and departure flight scheduling bi-level programming departure flight equilibrium satisfaction arrival flight equilibrium delay time
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Arrival Pattern Recognition and Prediction Based on Machine Learning
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作者 GUI Xuhao ZHANG Junfeng +1 位作者 TANG Xinmin KANG Bo 《Transactions of Nanjing University of Aeronautics and Astronautics》 EI CSCD 2021年第6期927-936,共10页
A data-driven method for arrival pattern recognition and prediction is proposed to provide air traffic controllers(ATCOs)with decision support. For arrival pattern recognition,a clustering-based method is proposed to ... A data-driven method for arrival pattern recognition and prediction is proposed to provide air traffic controllers(ATCOs)with decision support. For arrival pattern recognition,a clustering-based method is proposed to cluster arrival patterns by control intentions. For arrival pattern prediction,two predictors are trained to estimate the most possible command issued by the ATCOs in a particular traffic situation. Training the arrival pattern predictor could be regarded as building an ATCOs simulator. The simulator can assign an appropriate arrival pattern for each arrival aircraft,just like real ATCOs do. Therefore,the simulator is considered to be able to provide effective advice for part of the work of ATCOs. Finally,a case study is carried out and demonstrates that the convolutional neural network(CNN)-based predictor performs better than the radom forest(RF)-based one. 展开更多
关键词 air traffic management decision support arrival scheduling deep learning convolutional neural networks
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