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[期刊论文] 作者:XU Da,
来源:中国科学:数学英文版 年份:2013
我们在integro微分的方程 $\begin 的班上学习 discretization {聚在一起}u'(t)+ \int_0 ^ t {( \lambda _1 a_1 ( t - \tau )+ \lambda _2 a_2 ( t - \tau )+...
[期刊论文] 作者:JIAO Qinglong,XU Da,
来源:上海交通大学学报(英文版) 年份:2018
Based on the bat algorithm (BA),this paper proposes a discrete BA (DBA) approach to optimize the disassembly sequence planning (DSP) problem,for the purpose of...
[期刊论文] 作者:Adam,Xu,Da,Hou(摄影),
来源:服装设计师 年份:2009
秋风妖娆灿然芳菲却见彩衣轻摆化作古典雕像般的倩影又如身中丘比特之箭匀染出雅致的甜蜜惑于青春的浪漫...
[期刊论文] 作者:REN Yongtai DENG Hualing XU Da,
来源:东北农业大学学报:英文版 年份:2006
This article established groundwater flows differential equation mathematical model of Sanjiang Plain on the hydrology theory foundation, and used the analy...
[期刊论文] 作者:LIU Bao-you,ZHAO Di-shun,XU Da,
来源:高等学校化学研究:英文版 年份:2007
...
[期刊论文] 作者:LIU Bao-you,ZHAO Di-shun,XU Da,
来源:高等学校化学研究:英文版 年份:2007
A series of condensation reactions of unmodified ketones and aromatic aldehydes to prepare α,β-unsaturated carbonyl compounds by means of Aldol reactions in B...
Effect of water and fertilizer coupling optimization test on water use efficiency of rice in black s
[期刊论文] 作者:LIN Yanyu,ZHANG Zhongxue,XU Da,
来源:排灌机械工程学报 年份:2016
How to improve the water use efficiency of rice in black soil regions was studied. The black soil region in paddy fields was chosen as the research object. The...
[期刊论文] 作者:SUN Xiao-Qiang,XU Da,LI Zheng-,
来源:结构化学 年份:2017
The title compound 1,4,7,10-tetrakis(2-(4-methoxyphenoxy)ethyl)-1,4,7,10-tetraazacyclododecane hydrobromide derivated from cyclen has been synthesized by 4-meth...
Morphological Studies on the Infraciliature of a Planktonic Ciliate, Tintinnopsis brasiliensis ( Cil
[期刊论文] 作者:CAI Shengfang,SONG Weibo,XU Da,
来源:中国海洋大学学报:英文版 年份:2006
糟糕描述的海洋的板补品有睫, Tintinnopsis brasiliensisKofoid & 坎贝尔, 1929,从 Qingdao 的太平天国的披肩镇定,中国,词法上在 protargol 受精以后基于永久准备被调查并且...
[期刊论文] 作者:GAO Ze-hua,QIAN Zong-jue,XU Da,
来源:中国邮电高校学报 年份:2004
A new encoder/decoder scheme of OCDMA based on waveguide isproposed in this paper. The principle as well as the structure of waveguide encoder/decoder is given....
[期刊论文] 作者:LIU Bao-you,ZHAO Di-shun,XU Da,
来源:黑龙江科技信息 年份:2007
本文通过对荣华二采区10...
Morphological Studies on the Infraciliature of a Planktonic Ciliate, Tintinnopsis brasiliensis (Cili
[期刊论文] 作者:CAI Shengfang,SONG Weibo,XU Da,
来源:黑龙江科技学院学报 年份:2006
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...
Studies on Resource Management of Sanjiang Plain Groundwater with the Analytical Finite Method Based
[期刊论文] 作者:REN Yongtai,DENG Hualing,XU Da,
来源:东北农业大学学报(英文版) 年份:2004
This article established groundwater flows differential equation mathematical model of Sanjiang Plain on the hydrology theory foundation, and used the analysis...
Expression of β-1,4-galactosyltransferase Ⅰ in a surgically-induced rat model of knee osteoarthritic
[期刊论文] 作者:WANG You-hua,NI Xiao-hui,XU Da,
来源:中华医学杂志(英文版) 年份:2004
Background There are few reports of a biological role for glycosyltransferases in the infiltration of osteoarthritic synovitis. The aim of this research was to...
[期刊论文] 作者:Yang Weidon,YAN Yongnian,Xu Da,
来源:机械工程学报 年份:2004
The patternless casting manufacturing(PCM) technique adopts a new method of double scanning which combines the principle of discreteness and deposition with the...
[期刊论文] 作者:LIU Bao-you,ZHAO Di-shun,XU Da,
来源:高等学校化学研究(英文版) 年份:2004
Amide ionic liquids (AILs)/L-proline synergistic catalyzed Mannich reactions of isovaleraldehyde, methyl ketones, and aromatic amines were carried out in modera...
Morphological Studies on the Infraciliature of a Planktonic Ciliate, Tintinnopsis brasiliensis (Cili
[期刊论文] 作者:CAI Shengfang,SONG Weibo,XU Da,
来源:中国海洋大学学报(英文版) 年份:2004
A poorly-described marine planktonic ciliate, Tintinnopsis brasiliensis Kofoid & Campbell, 1929, collected from the Taiping Cape of Qingdao, China, was morpholo...
[期刊论文] 作者:XU Da,WU Xin-xing,HU Jun-biao,,
来源:兵工学报(英文版) 年份:2004
To predict the erosion and abrasion of high bore pressure tank gun barrel, the least square support vector machine (LSSVM) algorithm was used. Based on the gun...
[期刊论文] 作者:Jing Shi XU,Da Chun YANG,
来源:黑龙江科技学院学报 年份:2005
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...
Expression of β-1,4-galactosyltransferase Ⅰ in a surgically-induced rat model of knee osteoarthritic
[期刊论文] 作者:WANG You-hua,NI Xiao-hui,XU Da,
来源:中华医学杂志(英文版) 年份:2010
Background There are few reports of a biological role for glycosyltransferases in the infiltration of osteoarthritic synovitis. The aim of this research was to...
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