搜索结果: 1-15 共查到“理学 Cs”相关记录70条 . 查询时间(0.156 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimization-inspired deep unfolding correction-distillation network for CS-MRI reconstruction
优化启发 CS-MRI 重建深度展开 校正-蒸馏网络
2023/4/27
In this talk, we discuss a unifying deep unfolding multi-sampling-ratio interpretable CS-MRI framework. The combined approach offers more generalizability than the existing deep-learning-based CS-MRI ...
2020年，研究报道了一种新型层状kagome结构超导体，AV3Sb5 (A= K, Rb, Cs) 。这种AV3Sb5超导体因其独特的kagome结构而具有平带（flat band）、鞍点（saddle point）、以及具有线性色散关系的狄拉克点（Dirac point）等特殊的电子能带结构，展现出电子强关联、拓扑以及多体效应，很快成为研究几何阻挫、非平庸拓扑能带以及多种电子序耦合与竞争的重要...
以丙烯酰胺（AM）为单体，壳聚糖（CS）与氧化石墨烯（GO）为功能组分，N,N'-亚甲基双丙烯酰胺（MBA）为交联剂，通过自由基聚合法制备PAM/CS/GO水凝胶。采用傅里叶变换红外（FT-IR）光谱、X射线衍射（XRD）仪、扫描电镜（SEM）和万能试验机对水凝胶的结构与性能进行测试与表征。利用石英晶体微天平（QCM）研究该水凝胶薄膜在不同湿度条件下的吸湿行为。实验结果表明：相对于PAM/CS水凝...
INVESTIGATION OF QUANTUM FLUCTUATIONS IN A NONLINEAR INTERFEROMETER WITH HARMONIC GENERATION AND COHERENT INTERACTION OF LIGHT AND CS ATOMS
optics A NONLINEAR INTERFEROMETER
2015/1/19
In the first part of this thesis, we investigate the propagation of quantum fluctuations
in a nonlinear interferometer comprising under conditions of harmonic generation
by computer simulations. Thi...
The Pyrethroid Deltamethrin, Which Causes Choreoathetosis with Salivation (CS-Syndrome), Enhances Calcium Ion Influx via Phosphorylated CaV2.2 expresssed in Xenopus laevis oocytes
deltamethrin CaV2.2 PMA
2014/12/12
Pyrethroids are insecticides used since the 1970s. They are favored for their low mammalian toxicity, improved environmental stability and insecticidal potency. Voltage-gated sodium channels (VGSCs) a...
The action of T- and CS -syndrome pyrethroids on voltage-sensitive calcium channels in rat brain
Nerve terminals deltamethrin chrysanthemum ester calcium influx and neurotransmitter release fluorescence assay calcium influx of deltamethrin stimulation
2014/12/11
Isolated presynaptic nerve terminals (synaptosomes) prepared from rat brain were used to evaluate the action of a classic T-syndrome (cismethrin) and CS-syndrome (deltamethrin) pyrethroid on voltage-s...
Sediment erosion revealed by study of Cs isotopes derived from the Fukushima Dai-ichi nuclear power plant accident
Fukushima Dai-ichi nuclear power plant accident Cs isotopes erosion Vietnam mega-delta
2017/4/11
Deltaic sediments of the Mekong River delta sampled from a tidal beach in Vietnam during the wet season (late
October 2011) showed strong 137Cs and 134Cs activities reflecting radionuclides released ...
基于ROI,VMI和 CS三种库存方式长短期绩效的对比研究
零售商占有库存 卖方管理库存 寄售库存 供应链绩效
2013/10/18
ROI、VMI和CS是基于供应链的三种库存管理方式.本文以两层供应链的ROI、VMI和CS方式为例,通过数学模型和具体算例,比较分析了三种库存方式下买方和卖方成本和利润构成的不同之处.本文研究发现:在长期内相对于ROI方式而言,VMI方式下供应链的效率更高; 如果卖方的单位存储成本大于买方,CS方式下供应链的长短期效率可能高于VMI更高于ROI 方式.
Isotopic determination of U, Pu and Cs in environmental waters following the Fukushima Daiichi Nuclear Power Plant accident
uranium plutonium caesium seawater riverine water Fukushima
2017/4/11
Concentrations of the radionuclides, U, Pu, and Cs were measured in water samples (10–20 L) to study analyte dispersion
and migration following the Fukushima Daiichi Nuclear Power Plant (FDNPP) accid...
Study on Competitive Sorption Capacity of Sr2+/Cs+ in Zeolite and Palygorskite
Adsorptive Capacity Cs+ Palygorskite Sr2+ Zeolite
2011/11/14
Competitive sorption capacity of equal concentration of Cs+ and Sr2+ in zeolite and palygorskite were studied by the intermittence method. zeolite and palygorskite of adsorbed Cs+ and Sr2+ were analys...
Infrared Reflectance Study of Thermally Treated Li- and Cs-Montmorillonites
Cs-Montmorillonite Li-Montmorillonite Longitudinal-Optic (LO) Mode Migration Reflectivity Transverse-Optic (TO) Mode
2011/12/22
Abstract: The structure of Li- and Cs-montmorillonites was studied using infrared (IR) reflectance spectroscopy. The spectra of heat-treated clays between 80 and 220 °C were analyzed by Kramers-Kr&oum...
基于改进的QBC和CS-SVM的故障检测
主动学习 代价敏感支持向量机 委员会投票选择算法 故障检测
2014/4/28
针对复杂工业过程样本集中的类不平衡、样本标注代价昂贵和样本孤点的问题, 研究基于委员会投票选择(MQBC) 和代价敏感支持向量机(CS-SVM) 的故障检测方法. 给出未标注样本信息度的定义, 提出改进的委员会投票选择算法. 主动代价敏感学习通过MQBC选择信息度高的未标注样本对其标注并添加到训练集. CS-SVM 将不同类样本的误分类赋予不同的误分类代价, 从而提高CS-SVM 的故障检测率. ...
Calculation of $\rho$ meson decay width from the PACS-CS configurations
meson decay width the PACS-CS configurations
2011/1/6
We present preliminary results on the $\rho$ meson decay width from $N_f=2+1$ full QCD configurations generated by PACS-CS Collaboration. The decay width is estimated from the $P$-wave scattering phas...
The $P$-wave $[cs][\bar{c}\bar{s}]$ tetraquark state: $Y(4260)$ or $Y(4660)$?
$P$-wave $[cs][\bar{c}\bar{s}]$ tetraquark state $Y(4260)$ or $Y(4660)$
2011/1/5
Mass of the P-wave cs-scalar-diquark ¯c¯s-scalar-antidiquark state is computed in the framework of QCD sum rule. The result 4.64 ± 0.25 GeV is in good agreement with the experimental value o...
Calculation of $\rho$ meson decay width from the PACS-CS configurations
Calculation $\rho$ meson decay width e PACS-CS configurations
2011/1/13
We present preliminary results on the r meson decay width from Nf = 2+1 full QCD configurations
generated by PACS-CS Collaboration. The decay width is estimated from the P-wave scattering phase shift...