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[期刊论文] 作者:ZhongCheng,ZhongCheng,
来源:中国与非洲(英文版) 年份:2020
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[期刊论文] 作者:Xin Zhongcheng,Kim Euikyung,TI,
来源:黑龙江科技学院学报 年份:2001
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:Wang Zhongcheng,
来源:中华医学杂志英文版 年份:1995
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[期刊论文] 作者:Chuang ZHENG,Zhongcheng ZHOU,
来源:数学年刊B辑(英文版) 年份:2004
The boundary controllability of the fourth order Schr(o)dinger equation in a bounded domain is studied.By means of an L2-Neumann boundary control,the authors pr...
[期刊论文] 作者:MIN Yinghua,LI Zhongcheng,
来源:计算机科学技术学报(英文版) 年份:2004
Delay consideration has been a majorissue in design and test of high performance digital circuits. Theassumption of input signal change occurring only when all...
[期刊论文] 作者:By XIN XIN,
来源:CHINA TODAY 年份:2020
OVER the past 40 years since the commencement of reform and opening-up, nearly 800 million Chinese have risen above absolute poverty, accounting for more than 70 percent of the total reduction in pove...
[期刊论文] 作者:Zhongcheng GUO,Xiaoyun ZHU,Dac,
来源:城市道桥与防洪 年份:2000
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Zhongcheng Xiang,Jianxun Xu,Yu,
来源:自然科学进展(英文版) 年份:2018
This paper reports the ferroelectricity in antiferromagnetic SmCrO3 with a reasonably large value of spontaneous electric polarization (70 μC/cm2 mC cm?2 at 50...
[期刊论文] 作者:SHU Wangen,ZHOU Zhongcheng,LI,
来源:稀有金属 年份:2004
The research progress in trialkyl compounds of gallium and indium was discussed from two aspects, one was the chemical synthesis of the compounds and the other...
[期刊论文] 作者:LIANG Zhongcheng,MING Hai,ZHAN,
来源:黑龙江科技学院学报 年份:2000
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:WANG Zhongcheng,LU Xiaoping,ZH,
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...
[期刊论文] 作者:xin,,
来源:中国语文 年份:1998
为总结过去12年的语言文字工作,确定跨世纪奋斗目标,全国语言文字工作会议于1997年12月23日在北京召开。在开幕式上,国务院副秘书长李树文同志宣读了中共中央政治局常委、国...
[期刊论文] 作者:XIN,,
来源:资源与人居环境 年份:2018
拍摄地点:新西兰皇后镇拍摄时间:2017年11月11日如果去新西兰皇后镇游玩,切记不要着急,因为它的美景大都在路上。在通向瓦纳卡的盘山公路上,蓝天白云,烟雾缭绕,似乎触手...
[期刊论文] 作者:An Xin,
来源:Voice Of Friendship 年份:2013
The year 2013 marks the lOOthanniversary of the birth of formerU.S. President Richard Nixon. Atthe invitation of the CPAFFC, a45-member delegation of the RichardNixon Foundation paid a visit toBeijing...
[期刊论文] 作者:An Xin,
来源:Voice Of Friendship 年份:2013
The CPAFFC launched the "Programof Chinese International FriendshipVolunteers" in 2012. On July 18 thisyear, it joined with the Program'sorganizer, Zhongxie Human ResourceConsulting Center (Zhongxie H...
[期刊论文] 作者:Xin Zhang,Xin Zhang,
来源:卷宗 年份:2004
...
A new chain-like heteropolytungstate formed by Keggin cluster units: Synthesis and structure of [H2b
[期刊论文] 作者:Jing Xin Meng,Ying Ma,Xin Xin,
来源:中国化学快报(英文版) 年份:2004
A new heteropolytungstate, [H2bpy]3[SiMnW11O39]· 1.25H2O(1), has been prepared under mild hydrothermal conditions and structurally characterized by single crys...
[期刊论文] 作者:钟诚,左欣,ZhongCheng,ZuoXin,
来源:黑龙江科技信息 年份:2008
本文通过对荣华二采区10...
[期刊论文] 作者:Wen Xin GU,An Xin WU,Xin Fu PA,
来源:中国化学快报(英文版) 年份:2004
A novel reduction system is reported here in which the compounds with terminal C-C triple bond and disubstituted C-C triple bond react with NaBH4/Pd(PPh3)4 in a...
[期刊论文] 作者:Xin Qu,,
来源:China Detergent & Cosmetics 年份:2004
Formaldehyde donor preservatives are under debate because formaldehyde at high concentration is known to the public as a toxic substance to humans and the envir...
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