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[期刊论文] 作者:Xia Xia,Lu Shanzhen,
来源:数学物理学报(英文版) 年份:2004
In this article, we prove the boundedness of commutators generated by Bochner- Riesz operators below the critical index and BMO functions on the class of radial...
[期刊论文] 作者:Shan-zhen LU,Xia XIA,
来源:中国科学A辑(英文版) 年份:2004
In this paper, the authors obtain a necessary and sufficient condition for the Lp boundedness of commutators generated by Bochner-Riesz operators below a critic...
[期刊论文] 作者:XIA Tian,XIA Tian,
来源:海外英语 年份:2004
...
An in vivo Study of Basic Fibroblast Growth Factor on Activation and Proliferation of Retinal Progen
[期刊论文] 作者:Xiaoping Xia,Guoxiang Song,Xia,
来源:眼科学报 年份:2004
Purpose: To investigate the effect of intravitreal injection of basic fibroblast growth factor(bFGF)on activation and proliferation of endogenous retinal progen...
[会议论文] 作者:Yongyao Xia,,
来源: 年份:2004
Improving rechargeable batteries to operate efficiently at ultra-low temperatures is driven by many applications,such as space applications,various planetar...
[会议论文] 作者:Peter Xia,,
来源: 年份:2004
过去的二十五年间,为遵守环境协议和满足最低能效标准要求,空调和制冷设备制造商历经空前的挑战进行了产品升级换代。本文旨在回顾全球范围内最高效的空调产品——R123离心式...
[期刊论文] 作者:XIA Min-ling,
来源:中国热带医学 年份:2004
目的 观察蛇床子素对体外阴道毛滴虫的杀灭效果及安全性.方法 以蛇床子素的终浓度为0.56~4.48mg/ml作用于体外培养的阴道毛滴虫.结果 1.12mg/ml为蛇床子素体外杀阴道毛滴虫的...
Feasibility study for joint retrieval of air density and ozone concentration profiles in the mesosph
[期刊论文] 作者:Guo Xia,
来源:自然科学进展 年份:2004
For joint retrieval of vertical distributions of both air density and ozone concentration in the mesosphere which are two of the most important atmospheric para...
[期刊论文] 作者:XIA Hong-fei,
来源:农业开发与装备 年份:2004
三明市结合山区实际,大力实施农业综合开发项目,紧密围绕农业增效、农民增收、农村稳定这一目标,注重土地治理项目和产业化项目的有机结合,加强农业基础设施建设,扶持龙头企...
[期刊论文] 作者:ZHANG Xia,
来源:天津医药 年份:2004
目的:观察糖尿病合并高血压患者血清脂联素(APN)、肿瘤坏死因子(TNF)-α、超敏C反应蛋白(hs-CRP)及内皮依赖性血管舒张功能(FMD,NID)的水平,探讨脂联素对内皮功能的影响.方法...
[期刊论文] 作者:Su Xia,
来源:水利水电工程设计 年份:2004
南水北调中线工程是一个跨省市、线路长、建筑物型式多样、结构复杂的特大型调水工程,其初步设计工作如何管理,从而实现对质量、进度、投资的有效控制,是一个具有挑战性的问...
A very high frequency index of heart rate variability for evaluation of left ventricular systolic fu
[期刊论文] 作者:Xia Liu,
来源:老年心脏病学杂志(英文版) 年份:2004
Objective Anovel index based on frequency-domain analysis of heart rate variability (HRV) was tested on patients with reduced left ventricular systolic function...
[期刊论文] 作者:CHEN Xia,
来源:上海纺织科技 年份:2004
通过对纬编针织物脱圈走纱的原因及过程的分析,提出了几种可行的防走纱纬编组织结构的工艺设计,如集圈结构、架空添纱、针步转移、锁纬结构、固定线圈接触点等.并指出在服装...
[期刊论文] 作者:XIA Shang-fei,
来源:拖拉机与农用运输车 年份:2004
为了能够准确地掌握喷油器的燃油喷射过程和喷射规律,以研究和改进燃烧室及气道,组织好燃油的燃烧过程,降低油耗和减少尾气排放,设计了一种基于磁电式针阀升程传感器和以AT89...
[期刊论文] 作者:XIA Wen-wen,
来源:科技信息 年份:2004
In 80s,20th century,the policy、economy、culture of China,at the influence of Chinas Open-door policy,strengthening the communication with other countries in th...
[期刊论文] 作者:Xia Li,
来源: 年份:2004
In this paper,I extend the model in Coate and Loury (CL) (1993) to show how statistical discrimination by employers can help create gender wage gap for men and...
[期刊论文] 作者:Xia Yuanyuan,
来源:Cover Story 年份:2004
As the month of March in Beijing bade farewell to winter and brought in the freshness of spring,so too China ushered in the new and innovative prospects of Lian...
[期刊论文] 作者:Xia Yuanyuan,
来源:Lifestyle 年份:2004
Every year, a number of new words and phrases from the Internet make it to the Chinese vocab-ulary. On December 12, 2017, Yaowenjiaozi, a monthly Chi-nese lingu...
[期刊论文] 作者:Xia Yuanyuan,
来源:China Report 年份:2004
Imagine growing real trees through the reduction of your carbon footprint. Sounds like science fiction? Think again. Alxa League, a remote area in north China's...
[期刊论文] 作者:Xia Yuanyuan,
来源:China Report 年份:2004
Wu Yue, a lung transplant recipi-ent, now regards August 31, the day she underwent surgery, as her re-birth day. In the eyes' of many people, the 30-year-old wo...
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