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[期刊论文] 作者:Siyun Zhou,Yanqin Bai,
来源:中国科学:数学(英文版) 年份:2021
Principal component analysis (PCA) is one of the most popular multivariate data analysis techniques for dimension reduction and data mining,and is widely used i...
A BRANCH-AND-CUT APPROACH TO PORTFOLIO SELECTION WITH MARGINAL RISK CONTROL IN A LINEAR CONIC PROGRA
[期刊论文] 作者:Zhibin DENG,Yanqin BAI,Shu-Che,
来源:系统科学与系统工程学报(英文版) 年份:2004
...
[期刊论文] 作者:Qian Li,Yanqin Bai,Changjun Yu,
来源:中国科学:数学英文版 年份:2019
In this paper, we consider the problem of finding sparse solutions for underdetermined systems of linear equations, which can be formulated as a class of L0 nor...
[期刊论文] 作者:LIU Yanqin,
来源:国际英语教育研究:英文版 年份:2018
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[期刊论文] 作者:YANQin,ZHANGJixian,
来源:地球空间信息科学学报:英文版 年份:2002
This paper gives some guidelines of land use planning firstly.A framework of agriculture land use planning is designed based on land use suitability evaluation...
[期刊论文] 作者:LIU Yanqin,
来源:国际英语教育研究:英文版 年份:2017
...
[期刊论文] 作者:Li Yanqin,
来源:西安交通大学学报:英文版 年份:2001
Objective To analyze and evaluate the impact of adolescents' sexual and reproductive health education on students' sexual knowledge,attitude and behavio...
[期刊论文] 作者:Yanqin Zhao,,
来源:International Journal of Mining Science and Technology 年份:2013
Based on low illumination and a large number of mixed noises contained in coal mine, denoising with one method usually cannot achieve good results, so a multi-l...
Toxicity of copper, lead, and cadmium on the motility of two marine microalgae Isochrysis galbana an
[期刊论文] 作者:GuangxuLiu,XueliangChai,Yanqin,
来源:环境科学学报(英文版) 年份:2011
...
A BRANCH-AND-CUT APPROACH TO PORTFOLIO SELECTION WITH MARGINAL RISK CONTROL IN A LINEAR CONIC PROGRA
[期刊论文] 作者:Zhibin DENG,Yanqin BAI,Shu-Cherng FANG,Ye TIAN,Wenxun XING,,
来源:Journal of Systems Science and Systems Engineering 年份:2013
Marginal risk represents the risk contribution of an individual asset to the risk of the entire portfolio. In this paper,we investigate the portfolio selection...
[期刊论文] 作者:Pan Yanqin,Hoon ChangYau,
来源:中国东盟报道 年份:2018
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[期刊论文] 作者:Wang Yanqin,Li Zhenjiang,
来源:催化学报 年份:2012
采用咪唑(啉)-2-羧酸盐(ImCO2)作为催化剂前驱体,通过温度控制脱除ImCO2的2-位羧酸根,再原位释放出高活性的N-杂环卡宾(NHCs),进而催化转酯反应.研究了NHCs在苯甲酸乙酯与一元醇、......
Effects of Nitrogen Application Rate to Late Rice on Greenhouse Gas Emissions and Soil Carbon Pool D
[期刊论文] 作者:Yanqin MA,Guoqin HUANG,
来源:农业生物技术:英文版 年份:2018
It is of important referential values for the further understanding of the effects of fertilization on greenhouse gas emissions and the effects of winter green...
[期刊论文] 作者:Guo Shengrong,Yuan Yanqin,
来源:黑龙江科技学院学报 年份:2010
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:GaoChen,Zheng-WeiWang,YanQin,W,
来源:黑龙江科技学院学报 年份:2017
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Effects of Nitrogen Application Rate to Late Rice on Greenhouse Gas Emissions and Soil Carbon Pool D
[期刊论文] 作者:Yanqin MA Guoqin HUANG,
来源:农业生物技术(英文版) 年份:2018
AbstractIt is of important referential values for the further understanding of the effects of fertilization on greenhouse gas emissions and the effects of winter green manure on soil carbon pool to st...
[期刊论文] 作者:Bai,,
来源:水族世界 年份:2006
玩观赏鱼年头长了,便向往着“登陆”。恐怕这就是进化的源泉吧。设计的最初灵感来自台湾杂志《AQUAZOO NEWS》关于箭毒蛙的报道。虽然国内市场目前还无法见到箭毒蛙,但设计...
[期刊论文] 作者:BAI,
来源:睿士 年份:2020
...
[期刊论文] 作者:BAI,
来源:睿士 年份:2020
眼看著2020年在指缝中溜走。醒来翻开报纸,每天都有新闻头条,诉说着一波未平一波又起的纽约正经历着“历史性的时刻”。...
[期刊论文] 作者:BAI,
来源:睿士 年份:2021
新冠疫情影響了2020一整年,随着疫苗研发快速进展,眼前的2021将何去何从依然尚无定论。...
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