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[会议论文] 作者：XU Guan,许观,
来源：第19届全国计算机新科技与计算机教育学术大会 年份：2008
动态频谱分配的一个重大问题是如何在给定的可用信道中频谱利用率最大化，即总和率最大化问题，在本文把它作为一个组合优化问题来考虑。蚂蚁算法(Ant Colony Optimization)是一种很好解决组合优化问题的方法。在本文，基于蚂蚁算法的频谱利用率最大化，提出了一种MMAS......
[会议论文] 作者：Xu Guan,Xishan Wang,
来源：2019中国肿瘤学大会 年份：2019
Objective Background—Elderly patients currently account for a significant proportion of cancer patients,which bring a great challenge of dealing with this aging population to medical oncologists....
Prognostic scoring system for synchronous brain metastasis at diagnosis of colorectal cancer:A popul
[期刊论文] 作者：Ji-Chuan Quan,Xu Guan,Chen-Xi,
来源：世界胃肠肿瘤学杂志:英文版(电子版) 年份：2020
BACKGROUND Brain metastasis(BM)from colorectal cancer(CRC)is rarely encountered clinically,and its prognosis has not been fully evaluated.AIM To construct a sco...
Effects of smartphone-based interventions and monitoring on bipolar disorder:A systematic review and
[期刊论文] 作者：Jia-Yuan Liu,Kang-Kang Xu,Guan,
来源：世界精神病学杂志 年份：2020
BACKGROUND Recently,there has been a range of studies about smartphone-based interventions and monitoring for reducing symptoms of bipolar disorder(BD).However,...
[期刊论文] 作者：Guo-Bao Wang,Guo-Liang Xu,Guan,
来源：世界胃肠病学杂志：英文版 年份：2011
瞄准：分析 clinicopathologic 特征和主要肠的淋巴瘤的预后。方法：病人们为主要胃肠的淋巴瘤基于标准诊断标准在学习被包括，并且在在 1993 和 2008 之间的孙中山大学癌症中心被...
[会议论文] 作者：Hui XU,Guan Xiong CHEN,
来源：International Symposium on Forest Soils(2013年森林土壤国际研讨会) 年份：2013
...
Cobalt Determination by Means of Flow Injection On-line Sorbent Preconcentration-Flame Atomic Absorp
[期刊论文] 作者：YIN Xue-feng,ALI Akbar,XU Guan,
来源：黑龙江科技信息 年份：2001
本文通过对荣华二采区10...
Application of backflush and micro-flow techniques to the analysis of C5-C13 hydrocarbons in crude o
[期刊论文] 作者：Wang Peirong,Zhao Hong,Xu Guan,
来源：自然科学进展（英文版） 年份：2004
An Agilent 6890N GC equipped with both FID and Agilent 5975 MSD analyzer has been employed to analyze C5-C13 hydrocarbon fractions of crude oils. A technical co...
Cobalt Determination by Means of Flow Injection On-line Sorbent Preconcentration-Flame Atomic Absorp
[期刊论文] 作者：YIN Xue-feng,ALI Akbar,XU Guan,
来源：高等学校化学研究（英文版） 年份：2004
The suitability of 1-nitroso-2-naphthol(NN) as a complexing agent for on-line preconcen tration of cobalt eluted on the C18 microcolumn by means of the FI-FAAS...
[期刊论文] 作者：Xu Guan,Yan Wang,Wangfeng Cai,
来源：黑龙江科技学院学报 年份：2019
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...
A clinical model to predict the risk of synchronous bone metastasis in newly diagnosed colorectal ca
[会议论文] 作者：chenxi ma,Xishan Wang,Xu Guan,
来源：2019中国肿瘤学大会 年份：2019
Objective The BM incidence rate from CRC has increased in recent years,the occurrence of SREs,including bone pain,pathological fracture,possible rathiotherapy,spinal cord compression,fatal hypercalcem...
[期刊论文] 作者：ZHU Shun Li, XU Guan Sun, WANG,
来源：世界胃肠病学杂志：英文版 年份：1997
Ｅｆｅｃｔｓｏｆｅｌｅｃｔｒｏａｃｕｐｕｎｃｔｕｒｅｏｎ５ＨＴ，ＮＯＳａｎｄｇａｓｔｒｉｃｍｕｃｏｓａｉｎｓｔｒｅｓｓｒａｔｓＺＨＵＳｈｕｎＬｉ，ＸＵＧｕａｎＳｕｎ，ＷＡＮＧＺｈｅｎＪｉｕ，ＣＨＥＮＱｕａｎＺｈｕａｎｄＪＩＡＯＪｉｅＩｎｓ.........
[期刊论文] 作者：FENG Ting,YUAN Jie,YU Yao,ZHOU Yu,XU Guan,
来源：中国物理快报（英文版） 年份：2013
Biomedical photoacoustic tomography (PAT) provides anatomical,functional,metabolic,molecular,and genetic contrasts of vasculature,hemodynamics,oxygen metabolism...
Totally laparoscopic middle rectum resection with transanal specimen extraction: a technique like NO
[会议论文] 作者：Xu Guan,Shan Muhammad,Guiyu Wang,Yinggang Chen,Zheng Liu,Zheng Jiang,Xishan Wang,
来源：第十二届全国大肠癌学术会议暨江苏省第九届腹腔镜外科会议 年份：2015
Objective: To evaluate the feasihility, safety and short-term outcomes through technical aspects of middle rectal resection followed by transanal specimen extraction.Methods: Twenty-four consecutive p...
Reconsidering the prognostic significance of tumor deposit count in the TNM staging system for color
[会议论文] 作者：Song Wang,Xu Guan,Zheng Liu,Zheng Jiang,Yinggang Chen,Guiyu Wang,Xishan Wang,
来源：2019中国肿瘤学大会 年份：2019
Objective Although the occurrence of tumor deposit(TD)without metastatic lymph node(mLN)is totally classified as “N1c” in the 8th TNM staging system for colorectal cancer(CRC),the prognostic significa...
[期刊论文] 作者：LI Xu,GUAN Li,AN Jia-Yi,JIN Li-Tao,YANG Zhi-Ping,YANG Yan-Min,LI Pan-Lai,FU Guang-Sheng,
来源：中国物理快报（英文版） 年份：2011
A red-emitting CaZrOa :Eu3+ phosphor has been prepared by solid state reaction and its luminescent properties are studied.The crystal structure is investigated...
Self-template synthesis of hollow Fe-doped CoP prisms with enhanced oxygen evolution reaction activi
[期刊论文] 作者：Xueda Ding,Haitao Huang,Qiang Wan,Xu Guan,Yuanxing Fang,Sen Lin,Dongyang Chen,Zailai Xie,
来源：能源化学 年份：2021
The development of efficient,durable and low cost electrocatalysts is crucial but extremely challenging for the oxygen evolution reaction(OER).Herein,we develop a self-template strategy to synthesize hollow Fe-doped CoP prisms(Fe-CoP)via io......
Safety and survival outcomes of transanal natural orifice specimen extraction using prolapsing techn
[期刊论文] 作者：Zhao Lu,Haipeng Chen,Mingguang Zhang,Xu Guan,Zhixun Zhao,Zheng Jiang,Zheng Liu,Zhaoxu Zheng,Xishan Wang,
来源：中国癌症研究（英文版） 年份：2020
Oibjective: The transanal approach to specimen collection,combined with the prolapsing technique,is a well-established and minimally invasive surgery for treati...
[期刊论文] 作者：WANG Wei,HUANG Bei-Ju,DONG Zan,LIU Hai-Jun,ZHANG Xu,GUAN Ning,CHEN Jin,GUO Wei-Lian,NIU Ping-Juan,CHEN,
来源：中国物理快报（英文版） 年份：2010
...
Apolipoprotein E Overexpression Is Associated with Tumor Progression and Poor Survival in Colorectal
[会议论文] 作者：ZHIXUN ZHAO,SHUANGMEI ZOU,XU GUAN,ZHENG LIU,ZHENG JIANG,MING YANG,CHUNXIANG LI,RUNKUN YANG,YIBO GAO,XISHAN,
来源：2019中国肿瘤学大会 年份：2019
...
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