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Tri(4-methoxy-1-benzyloxyl)(pentamethylcyclopentadienyl)titanium(Cp*Ti(OBzOCH3)3) in conjunction with modified methylalu......
To find the distribution patterns of dynamic amplification coefficients for dams subjected to earthquake, 3D seismic res......
The self-assembled InAs/GaAs quantum dots(QDs)with extremely low density of 8×10~6 cm~(-1)are achieved using higher gro......
We propose a novel terahertz-wave source through the four-wave mixing effect in a conventional single-mode optical fiber......
Two novel luminescent Eu(III) complexes with the formulas(NIP)Eu(DBM)3 1 and(ENIP)Eu(DBM)3 2(NIP=2-(naphtha-len-1-yl)-1H......
Saris F. W.’ et al.first studied the structures of superlattices using the Rutherford Backscattering(RBS)/channeling t......
ZnO nanoparticles with very narrow size distribution were synthesized by coupling homogeneous precipi-tation with microe......
A novel soluble regular ladder poly(benzoyl-3-aminopropyl) silsesquioxane (LPBAS) was facilely prepared under effective ......
The novel cyclic trithiocarbonate was synthesized by dialkylation of trithiocarbonate anion with 2,2’-bis(bromomethyl)b......
SYNTHESIS OF HETEROARM STAR POLYMERS COMPRISING POLY(4-METHYLPHENYL VINYL SULFOXIDE) SEGMENT BY LIVI
A series of 3-arm ABC and AA’B and 4-arm ABCD,AA’BC and AA′A″B heteroarm star polymers comprising one poly(4-methylp......
Genetic effects analysis of grain traits was conductedbased on the additive-dominance genetic model(Zhu, 1992, 1993)for......
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分析在多径扩散码分多址(CDMA)信道中运用盲技术同时抑制窄带干扰和多址干扰及码间干扰.该技术基于次优化子空间盲最小均方误差(MM......
目的 观察中药熏蒸联合照射窄谱中波紫外线(NB-UVB)治银屑病的临床疗效.方法 将100例寻常型银屑病患者随机分为两组各50例,对照组......
目的研究内镜窄带成像放大技术和色素染色对早期结直肠癌及其癌前病变检出率的临床价值。方法2016年11月-2018年10月期间方便选取......
超宽带(UWB)信号极宽的带宽使超宽带系统不可避免地与其频带内已有的窄带系统产生干扰。本文针对超宽带系统提出了两种新型的具有窄......
高频地波雷达一般采用线性调频连续波的信号体制,用去斜率的方法进行解调处理.本文根据这种雷达的接收机工作原理,提出了一种新的接......
以随机振动系统研究为课题,对平稳随机振动的窄带和宽带过程进行了讨论.提出了窄带和宽带峰值频率的估计方法及应用中应注意的问题......
本文以窄矩形通道内两相流为研究对象,分析了不同摇摆工况对两相流动摩擦阻力特性的影响。通过对试验数据分析,结果表明,改变摇摆......
以端羟基聚四氢呋喃(PTHF)与NaH反应后生成的醇盐为大分子引发剂,引发环氧乙烷阴离子开环聚合,在PTHF两端接上了环氧乙烷(PE0)嵌段,制备出......
孙中山合作主义包括广义合作与狭义合作思想。广义合作思想表现在孙中山世界大同的伦理观念、国共合作的思想及对外经济合作理念。......
叙述了激光汤姆逊散射的实验原理,介绍了HL-2A装置上改进后的激光汤姆逊散射系统。高脉冲功率Nd:YAG激光光源发出的1064nm的激光能很......