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Mathematical Notes - In this paper, we consider the nonlinear viscoelastic Kirchhoff-type equation $${u_{tt}} - M(||\nabla u||_2^2)\Delta u + \int_0^t {h(t - s)\Delta u(s)ds + a|{u_t}{|^{m -... 相似文献
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Wu Jinxiu Qi Yuanhao Liu Zhaogang Jia Huiling Hu Yanhong Feng Fushan 《Journal of solution chemistry》2022,51(1):14-30
Journal of Solution Chemistry - The interaction between Dy(Ш)/Rutin complexes and bovine serum albumin (BSA) was studied by fluorescence, ultraviolet (UV) absorption, three-dimensional... 相似文献
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微乳液进样火焰原子吸收光度法测定食品中的微量锰 总被引:8,自引:0,他引:8
研究了多种表面活性剂及微乳液对火焰原子吸收光谱法测定锰的增敏作用,并选择增敏作用最强的微乳液作为锰测定的增敏试剂,拟定了测定锰的新方法。 相似文献
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引入C~*-代数迹迹秩的概念,讨论它的基本性质.另外,迹迹秩为零和迹拓扑秩为零的C~*-代数等价,同时讨论这类代数的拟对角扩张性质.设O→I→A→A/I→O是拟对角扩张的短正合列,证明如果TTR(I)≤k且TTR(A/I)=0,则TTR(A)≤k. 相似文献
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In this paper, we consider a model of nonlinear viscoelastic shallow shell that is referred to as the full Marguerre-von Kármán under the presence of long-time memory. We show that the energy functional associated with the system decays exponentially to zero as time goes to infinity. 相似文献
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Fushan Wen Jiesheng Chen Jin Hyeok Kim Jinghua Niu 《Journal of solid state chemistry》2004,177(9):3114-3118
Sb3+-doped Sr3(PO4)2 crystals has been synthesized using phosphoric acid, strontium hydroxide and antimony powder as the raw materials through a hydrothermal reaction method. The crystallinity and the microstructure were investigated using X-ray diffraction and scanning electron microscopy. The photoluminescent property was investigated using luminescent spectrometer. Phase pure Sr3(PO4)2 crystal was obtained and it has a shape of hexagonal rod. It showed the emission and excitation peaks at 396, 250, and 215 nm, respectively, indicating that the emission is attributed to 3P1-1S0 transition and the excitation is attributed to 1S0-3P1 and 1S0-1P1 transition. It was also observed that the intensity of photoluminescence is thermally stable up to 673 K. 相似文献
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Fushan Chen Tao Yang Songlin Zhao Taotao Jiang Lu Yu Houfeng Xiong Chuankun Guo Yufang Rao Yan Liu Liu Liu Jian Zhou Pengxiang Tu Jun Ni Qunfeng Zhang Xiaonian Li 《中国化学快报》1990,30(12):2282-2286
Mn2O3 calcined at 450 ℃ by a simple template-free oxalate route gave 96.2% selectivity of imine at 100% conversion of benzylamine. The high selectivity of the imines clearly depended on the Mn3+/Mn4+ ratio. The probable reaction pathway for amines oxidation catalyzed by manganese oxides was proposed for the first time. This catalytic process was carried out under milder conditions, no base additives, and air as the only oxidant. 相似文献