PROPAGATION

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Study on Hardwood Cutting Propagation Technology of Fraxinus被引量：2
《Agricultural Science & Technology》2017年第3期526-530,共5页姚俊修 李善文 刘元铅 李自成 李庆华 吴德军 
Supported by Science and Technology Support Program during the Twelfth Five-year Plan(2013BAD01B06)~~
[Objective] Hard-branch cutting propagation technology of Fraxinus was studied under different environmental conditions. [Method] An orthogonal test was designed based on 1-year-old clones of F. pennsylvanica Marsh Lu...
关键词：FRAXINUS HARDWOOD HORMONE Cutting propagation 
基于遗传神经网络的科研项目经费预算方法被引量：3
《同济大学学报（自然科学版）》2014年第8期1298-1304,共7页王国新 王艺霖 阎艳 
"十二五"国家科技支撑计划(A0720110010)
针对科研经费预算准确性与实用性无法兼顾的难题,提出基于遗传神经网络的科研项目经费预算方法.分析了科研项目经费构成及影响预算的关键因素,建立了影响因素的量化表达式,将量化结果作为输入,项目经费预算结果作为输出,利用遗传算法优...
关键词：科研项目 经费预算模型 BP(back propagation)神经网络 遗传算法 
Effect of roadway turnings on gas explosion propagation characteristics in coal mines被引量：12
《Mining Science and Technology》2011年第3期365-369,共5页Zhu Chuanjie Lin Baiquan Ye Qing Zhai Cheng 
Financial support for this work, provided by the National Natural Science Foundation of China (No.50574093);the Key Program of the National Natural Science Foundation of China (No.50534090);the National Basic Research and Development Program of China (No.2005CB221506);the National Science Foundation for Young Scholars of China (No.50804048);the National Key Technology R&D Program (No.2007BAK29B01) Research Innovation Program for College Graduates of Jiangsu Province;the Open Foundation of State Key Laboratory of Explosion Science and Technology (No.KFJJ10-19M)
In order to reveal the effect of turnings on explosion propagation, experiments were performed in three different pipes （single bend, U-shaped pipe and Z-shaped pipe）. Flame and pressure transducers were used to tra...
关键词：Gas explosion Turning Flame speed Peak overpressure Explosion propagation 
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