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Extracting terms from clinical records of traditional Chinese medicine
null
《医学前沿(英文)》 2014年 第8卷 第3期 页码 347-351 doi: 10.1007/s11684-014-0361-z
Health records of traditional Chinese medicine contain valuable clinical information which can be used for improvement of disease treatment and for medical research. In this paper, we present a practical iterative extraction method for extracting terms from the records. The method is based on a set of extraction rules, the Mesh, and the likelihood ratio technique, and achieved a precision rate of 88.18% and a recall rate of 94.21%.
双向中继传输中基于半定松弛的非相干检测 Regular Papers-Research Articles
Chan-fei WANG, Ji-ai HE, Wei-fang WANG, Ya-mei XU
《信息与电子工程前沿(英文)》 2019年 第20卷 第9期 页码 1259-1265 doi: 10.1631/FITEE.1800096
齐茂林
《中国工程科学》 2001年 第3卷 第4期 页码 73-75
文章应用基础公式,推导液压系统油压极值比与极值比效率之间的关系式。该式说明,油压极值比越大,极值比效率就越低。提出了油压极值比是可以设计和选择的。
Controlling interstory drift ratio profiles via topology optimization strategies
《结构与土木工程前沿(英文)》 2023年 第17卷 第2期 页码 165-178 doi: 10.1007/s11709-022-0892-3
关键词: interstory drift ratio aggregation function bound formulation min–max problem topology optimization
A methodology of implementing target mixing ratio for asphalt mixture
Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG
《结构与土木工程前沿(英文)》 2017年 第11卷 第3期 页码 308-314 doi: 10.1007/s11709-017-0405-y
关键词: asphalt mixture target mixing ratio mix design implementation batching & mixing plant debugging
ZHANG Huilan, WANG Daowen
《医学前沿(英文)》 2008年 第2卷 第1期 页码 11-14 doi: 10.1007/s11684-008-0003-4
《环境科学与工程前沿(英文)》 2022年 第16卷 第8期 doi: 10.1007/s11783-022-1522-y
• Simultaneous C & N removal in Methammox occurs at wide C:N ratio.
关键词: Methanogens Biological Nitrogen Removal (BNR) Simultaneous Methammox C:N ratio
Zhigen WU, Guohua LIU, Zihua ZHANG
《结构与土木工程前沿(英文)》 2011年 第5卷 第1期 页码 112-120 doi: 10.1007/s11709-010-0069-3
关键词: damage assessment decay ratio of acceleration signals (DRAS) wavelet transform (WT) modal analysis reinforced concrete beam beat phenomenon
Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang
《化学科学与工程前沿(英文)》 2019年 第13卷 第1期 页码 80-89 doi: 10.1007/s11705-018-1763-2
1,5-Pentamethylene diisocyanate, a novel aliphatic diisocyanate formed from bio-based 1,5-pentamethylenediamine, has been used as a hard segmented material to synthesize polyurethane. In this study, several waterborne polyurethane (WPU) dispersions have been successfully prepared by a prepolymer process from 1,5-pentamethylene diisocyanate poly(polyether) with different NCO/OH ratios and 1,6-hexanediol (HDO)/dimethylol propionic acid (DMPA) molar ratios. The Fourier transform infrared (FTIR) spectra, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, and a mechanical tensile test were used to investigate the structures, thermal stability, phase separation, crystallinity, mechanical properties, and adhesive performance of the WPU dispersions. The FTIR results indicate that the degree of hydrogen bonding and the numbers of urea groups increase as the NCO/OH ratio and HDO/DMPA molar ratio increase. Furthermore, the phase separation increases and the thermal stability decreases as the NCO/OH ratio increases or the HDO/DMPA molar ratio decreases. Finally, WPU3.0-2.4 (NCO/OH=3, HDO/DMPA=2.4) exhibits a maximum tensile strength and shear strength, pointing to its possible use as an adhesive. These results could provide a very valuable reference for industrial applications of WPU.
关键词: 1 5-pentamethylene diisocyanate polyurethane water based
Jingwei YING; Feiming SU; Shuangren CHEN
《结构与土木工程前沿(英文)》 2022年 第16卷 第3期 页码 302-315 doi: 10.1007/s11709-022-0803-7
关键词: recycled concrete beam the replacement rate of recycled coarse aggregate water–cement ratio digital image correlation
Influence of nozzle height to width ratio on ignition and NO
Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU
《能源前沿(英文)》 2021年 第15卷 第2期 页码 431-448 doi: 10.1007/s11708-021-0726-3
关键词: rectangular jet burner nozzle height to width ratio ignition characteristics pyrolyzed semicoke (SC) and bituminous blend NOx formation
Haiqiao WEI, Jie YU, Lei ZHOU
《能源前沿(英文)》 2019年 第13卷 第4期 页码 691-706 doi: 10.1007/s11708-019-0621-3
关键词: high compression ratio knock Miller cycle split injection engine performance
孙暐,吴镇扬
《中国工程科学》 2006年 第8卷 第3期 页码 31-34
根据人耳听觉特性,提出新的同步多带最大似然线性回归算法用于噪声环境下语音识别。该算法采用最大似然作为参数估计准则,利用各频带信号同步感知和噪声污染假定的方法进行语音模型补偿,有效地提高了识别系统在噪声环境下的识别性能。
《结构与土木工程前沿(英文)》 2023年 第17卷 第4期 页码 522-532 doi: 10.1007/s11709-023-0930-9
关键词: tunnel face stability cutterhead configuration aperture ratio pressure gradient support ratio
Yonghong YAN, Liutao SUN, Zhengkang PENG, Hongliang QI, Li LIU, Rui SUN
《能源前沿(英文)》 2021年 第15卷 第1期 页码 78-90 doi: 10.1007/s11708-020-0678-z
关键词: pulverized-coal combustion pyrolyzed semi-char ignition characteristics pollution emission char burnout blend ratio
标题 作者 时间 类型 操作
A methodology of implementing target mixing ratio for asphalt mixture
Yucheng HUANG, Lun JI, Rui WEN, Ming ZHANG
期刊论文
Diagnostic evaluation of plasma aldosterone concentration to plasma renin activity ratio in primary aldosteronism
ZHANG Huilan, WANG Daowen
期刊论文
Enhancing the efficiency of nitrogen removing bacterial population to a wide range of C:N ratio (1.5:
期刊论文
Experimental study of structural damage identification based on modal parameters and decay ratio of acceleration
Zhigen WU, Guohua LIU, Zihua ZHANG
期刊论文
The influence of the NCO/OH ratio and the 1,6-hexanediol/dimethylol propionic acid molar ratio on the
Jiao Feng, Qiuhao Lu, Weimin Tan, Kequan Chen, Pingkai Ouyang
期刊论文
Long term performance of recycled concrete beams with different water–cement ratio and recycled aggregate
Jingwei YING; Feiming SU; Shuangren CHEN
期刊论文
Influence of nozzle height to width ratio on ignition and NO
Liutao SUN, Yonghong YAN, Rui SUN, Zhengkang PENG, Chunli XING, Jiangquan WU
期刊论文
Improvement of engine performance with high compression ratio based on knock suppression using Miller
Haiqiao WEI, Jie YU, Lei ZHOU
期刊论文
Effect of cutterhead configuration on tunnel face stability during shield machine maintenance outages
期刊论文