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Values for Doppler center frequency are calculated from the echo signal at the satellite using the Doppler centroid meth......
这研究在在太阳的风中在提高的动态压力下面在 2008 年 9 月 14 日由特弥斯与陆上的鞠躬吃惊的英尺联系的斜面和前震在双层(DL ) ......
One of the most common and serious complications of diabetes mellitus is ulceration of the foot. Among persons with diab......
China has mapped out a detailed plan to make Shanghai an international financial and shipping hub An economic center,a f......
A simple and cost-effective remodulation scheme using a two-section reflective semiconductor optical amplifier(RSOA) is ......
A terahertz excitation source based on a dual-lateral-mode distributed Bragg reflector(DBR) laser working in the 1.5 μm......
The copper price soared by 40% in a year, thus causing loss of approximately half of profit of air conditioner enterpris......
Some aspects related with the use of furazolidone as a rescue therapy for Helicobacter pylori(H pylori) infection should......
Neurodegenerative diseases are extremely prevalent in today’s society and,according to the World Health Organization,ar......
Versatile Routing and Self-Certifying Features Support for Secure Mobility in eXpressive Internet Ar
Integrating mobility and security in the network layer has become a key factor for Future Internet Architecture(FIA). Th......
Following the third cycle of the Global Fund China HIV/AIDS project,the Department of International Cooperation of the N......
China National Nuclear Corp.will learn lessons from the Fukushima accident while expanding its operations As Japan’s Fu......
研究方向:糖尿病、骨质疏松症、甲状腺功能亢进症等的诊疗Zou Jin-tao,graduated from Guangxi Medical University in1985.He is ......
Plants remain an important source of new drugs,new drug leads and new chemical entities.Plant based drug discovery resul......
It was found that the discovery of 5.8%(84/1437) of all drugs on the market involved serendipity. Of these drugs, 31(2.2......
The existence of coupling makes the parallel mechanism possess some special advantages over the serial mechanism, while ......
The effect of one-step aging temper on the mechanical properties, electrical conductivity and the microstructure of a no......
我曾经认识一个高中老师,他发表过一番令我觉得十分费解的言论。在谈到一位难以管教的学生时,他用一种严肃而又无可奈何的语气说:......
Friction welding is a solid state joining process used extensively currently owing to its advantages such as low heat in......
This paper discusses mainly the formation mechanism and developmental conditions of tidal current ridges. The tidal cur......
Relationship between real meridional volume transport and Sverdrup transport in the North Subtropica
The oceanic meridional volume trans-port (MVT) in the North Subtropical Pacific is calcu-lated directly from an observed......
Delineating suspended sediment concentration patterns in surface waters of the Changjiang Estuary by
Three Landsat TM imageries (taken on 18 May 1987,4 August 1998 and 28 July 2007) were used as the data source to identif......
Energetics and temporal variability of internal tides in Luzon Strait:a nonhydrostatic numerical sim
A fully nonlinear,three-dimensional nonhydrostatic model driven by four principal tidal constituents(M2,S2,K1,and O1) is......
The just-concluded 11th China National Exhibition on Handicraft Masterpieces,co-hosted by Hangzhou Municipal Government ......
The Oxford English Dictionary(OED)was originally published between 1884 and 1928,but even today we are only scratching t......
Patients with chronic hepatitis B are at increased risk of hepatocellular carcinoma(HCC),while the inhibition of viral r......
Second-line therapy for advanced colorectal cancer is an integral part of the treatment strategy that needs to be set fr......
Hepatocellular carcinoma(HCC) is the fifth most common form of human cancer worldwide and the third most common cause of......
Contrast-enhanced ultrasound in differentiating malignant from benign portal vein thrombosis in hepa
Portal vein thrombosis(PVT) may occur in liver cirrhosis patients. Malignant PVT is a common complication in cirrhotic p......
Bioanalytical methods for metabolomic profiling:Detection of head and neck cancer,including oral can
Metabolomics is an emerging field dealing with the measurement and interpretation of small molecular byproducts of bioch......
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In addition to cholesterol reduction,statins,currently the most commonly prescribed drug in the world,have been shown to......
Effect of current on the microstructure and performance of (Bi2Te3)0.2(Sb2Te3)0.8 thermoelectric mat
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......
设计了一种用于2.45GHz有源标签接收机的低中频正交下变频混频器。改进了传统的吉尔伯特结构,采用了共享跨导正交结构和电流注入技......
Current measurements and spectral analyses in the upper 450 m and deep layers of the northeastern So
On the basis of the current measurements from the moored Long Ranger ADCP in the upper 450 m layer and the deep current ......
研究二相混合式步进电机高性能驱动控制方法，实现减小低频振荡和改善矩频特性的目的。在常用升降速控制技术的基础上改进一种指数形......
目的:观察十堰市城区居民的吸烟、戒烟情况以及对主动吸烟和被动吸烟危害的认识,为有针对性的制定实施控烟措施提供实践基础。方法......
对高压直流输电( HVDC)中的电流测量进行了研究。通过对相关的测量方法和测量装置的分析，实现了对高压直流输电换流站中的电流互感......
Current measurements and spectral analyses in the upper 450 m and deep layers of the northeastern So
On the basis of the current measurements from the moored Long Ranger ADCP in the upper 450 m layer and the deep current ......
摘要 随着国家经济不断发展，城市化水平也在不断提升，但农村在我国依旧占有极大的比例。当前农村人们的生活水平仍相对较为低下，扶贫......
针对传统Buck变换器存在响应速度慢、过冲大、稳定性差等问题,提出了一种具有宽输入输出电流模式自适应导通时间(current mode ada......
In the present <span><span style="white-space:nowrap;">scenario</span></span><span></span><span style="font-family:;" "=......
对水平连铸工艺制备的QCr0.5铬青铜合金接触导线坯料经过固溶、时效、冷轧处理后,研究接触导线的微观摩擦性能与受流滑动磨损行为,......
实时准确地检测出谐波电流是有源电力滤波器（APF）的重要环节。通过改进电流平均值法的积分周期，使其可用于ip,iq法的三相电路任意次谐......
农业基础设施是农业生产和发展的物质载体,滞后的农业基础设施已经成为黑龙江省农业发展的＂瓶颈＂。由于投资主体缺位、信贷投入渠道......
提出了一种利用多阶电流导数来检测电流互感器饱和的新方法。在故障条件下，由饱和引起的电流互感器二次侧电流波形扭曲很容易引发其......
