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[期刊论文] 作者:Li Y, Vgontzas AN, Fernandez-M,
来源:中华高血压杂志 年份:2015
先前的研究显示,失眠和客观睡眠时间过短与高血压风险增加相关,并推测其潜在的机制是生理过度觉醒。在该研究中,研究者通过多次睡眠潜伏期试验(multiple sleep latency t...
[期刊论文] 作者:Li, Y,Wang, YL,
来源:有机化学 年份:2006
综述了近十年来2-取代苯并噻唑合成方法的研究成果.近年来,无溶剂合成、固相合成、微波促进合成、离子液体为介质的合成以及Pd,Cu,Mn,Sc等新试剂的催化合成都已成为合成此类...
[期刊论文] 作者:Gong,ZG Li,Y,
来源:紫金山天文台台刊 年份:1994
...
[期刊论文] 作者:李育,Li Yü,
来源:山西广播电视大学学报 年份:2004
作为一种交际策略,语用模糊是说话人为了达到某种交际目的而有意识地使用模糊语言的一种普遍现象.以日常会话为例,就认知观、关联论、顺应论等方面讨论了语用模糊现象,分析了...
[期刊论文] 作者:Li,Y Thom.,H,
来源:内蒙古医学杂志 年份:1994
睡眠型窒息综合征LiYiming,ThomasHess,ErichRussi(瑞士苏黎世大学医学系,瑞士温特图尔市医院)1概述一个不受干扰高效率的睡眠,其先决条件是有通畅的均匀的夜间呼吸。最常见呼吸障碍并导致病理反应的疾病是阻塞性......
Correlation of small hepatocellular carcinoma ultrasonography parameters with the expression of onco
[期刊论文] 作者:Zhong-Quan Shao,Zhao-Huan Li,Y,
来源:海南医科大学学报(英文版) 年份:2017
Objective: To investigate the correlation of small hepatocellular carcinoma ultrasonography parameters with the expression of oncogenes and angiogenesis genes....
Collection efficiency of a monitor parallel plate ionization chamber for pencil beam scanning proton
[期刊论文] 作者:Rong-Cheng Han,Yong-Jiang Li,Y,
来源:核技术:英文版 年份:2020
The collection efficiency of monitor parallel plate ionization chambers is the main uncertainty in the beam control of pencil beam scanning systems.Existing cal...
The Research on Transfer Employment of Rural Surplus Labor Forcein the Process of the New-type Urban
[期刊论文] 作者:Li Y i-nan Oiu Hone,
来源:当代中国人口:英文版 年份:2015
In this paper,it is discussed and researched on the transfer employment issues of rural surplus labor force in the process of the new-type urbanization construc...
[期刊论文] 作者:梁超轲,Li,Y,
来源:中国公共卫生 年份:1999
研究6个不同饮水氟浓度,不同营养水平的720人的生化电解质水平,按同一方法,同一仪器由同一实验人员进行了16项指标的分析,得出了准确度高,可比性强的数据。经统计分析,各组之间无显著性差......
[期刊论文] 作者:Li,Y,孙培香,
来源:物探化探译丛 年份:1996
我们介绍两种三维空间密度分布重力资料反演方法。在第一种方法中,我们根据重、磁间的泊松关系将重力资料转换成伪磁力资料并用三维磁法反演算法进行反演;在第二种方法中,我们研......
[期刊论文] 作者:Li,Y,侯贵卿,
来源:石油物探译丛 年份:1998
水压裂缝技术是一种重要的强化油气采收、地热能开发和固体废料处置的方法。而水压裂缝带几何形态和增长过程的确定对于监测和评价地下裂缝是很重要的。为了估计劳斯阿拉摩斯...
Correlation of small hepatocellular carcinoma ultrasonography parameters with the expression of onco
[期刊论文] 作者:Zhong-Quan Shao,Zhao-Huan Li,Y,
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:Li Yühong,Cheng Shiduan,
来源:中兴通讯技术(英文版) 年份:2010
This article introduces the architecture and mechanisms of the self-managing future Intet currently being developed by the European Union Seventh Framework Prog...
Effect of microstructure and mechanical properties on cutting force of different cast irons with sim
[期刊论文] 作者:Jiang-zhuo Ren,Zong-liang Li,Y,
来源:中国铸造:英文版 年份:2019
Flake graphite iron, compacted graphite iron and spheroidal graphite iron with various tensile strengths were cast. They were selected and grouped according to...
[期刊论文] 作者:Li Y,吕训磊,,
来源:中国医药工业杂志 年份:2016
O-末端炔烃或N-末端炔烃化合物在乙腈中,一水合氢氧化铯为催化剂,40或60℃时异构化为相应的累积二烯,24例收率61%~87%。该反应为非自由基反应。O-terminal alkynes or N-te...
Synthesis, characterization, thermodynamic and kinetic investigations on uranium(Ⅵ) adsorption using
[期刊论文] 作者:ZHOU ShiMin, CHEN BaiHua, LI Y,
来源:Science China(Chemistry) 年份:2004
Zirconyl-molybdopyrophosphate-tributyl phosphate(ZMPP-TBP)was a novel organic-inorganic composite adsorbent prepared by co-precipitation method and used in the...
[期刊论文] 作者:FEI Yu-hong,ZHANG Zhao-ji,LI Y,
来源:地下水科学与工程:英文版 年份:2015
This paper presents a method combining single-indicator comprehensive evaluation and influence factor identification to measure groundwater quality. This method...
THE CURVED BAR SUBJECTED TO AN ARBITRARILY DISTRIBUTED LOADING:ANOTHER PARADOX IN THE TWO-DIMENSIONA
[期刊论文] 作者:Ding, HJ,Peng, NL,Li, Y,
来源:固体力学学报:英文版 年份:1996
The problem of the curved bar subjected to an arbitrarily distributed loading on the sur-faces r=a and r=b is solved by using the method of complex functions an...
A THEORY OF EFFECTIVE THERMAL CONDUCTIVITY FOR MATRIX-INCLUSION-MICROCRACK THREE-PHASE HETEROGENEOUS
[期刊论文] 作者:Zhang, QJ,Zhai, PC,Li, Y,
来源:固体力学学报:英文版 年份:2000
The effective thermal conductivity of matrix-inclusion-microcrack three-phase heterogeneousmaterials is investigated with a self-consistent micromechanical meth...
Characteristics of Tight Sandstone Reservoirs and Controls of Reservoir Quality:A Case Study of He 8
[期刊论文] 作者:GAO Xiangdong,WANG Yanbin,LI Y,
来源:地质学报:英文版 年份:2019
Determining the process of densification and tectonic evolution of tight sandstone can help to understand the distribution of reservoirs and find relatively hig...
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