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The effects of hot/dense hadronic environment on the spectral function of p meson is analyzed. It is found that hot/dense environment plays an important role to the spectral function: when the temperature or the density is not too high.

本文基于虚时形式的有限温度场论，分析了热密强作用物质环境对ρ介子性质的影响，计算得到了ρ介子的谱函数。

Analogously, putting these changing regular time after time to the known transformation of various elemental particles from electron and positron to neutrino, to various meson, to various hyperon, to proton, to neutron, to various atom, can all be agree well with actual observation results.

类似地，将这种变换规律逐次用于已知的，由电子、正电子到中微子，到各种介子，到各种超子，到质子，到中子，到各种原子的，各种基本粒子的转化情况，都能与实际观测结果很好地相符。

In the theoretical framework of the relativistic mean field, the influences of π- meson condensate on the equation of state and the particle fractions of neutron star matter including delta isobars are studied.

在相对论平均场理论框架下研究了π-介子凝聚对包括Δ共振态的中子星物质状态方程及其粒子分布的影响。

Finally,we study meson mixing in asymmetric nuclear matter with spontaneous breaking of isospin symmetry in the framework of two flavor NJL model.

最后，我们在两味NJL模型的框架下研究了非对称核物质体系在同位旋对称性自发破缺时的介子混合现象。

These effective coupling constants of mesons embody the feature of theDBHF results, such as short-range correlations and the structure of isospin. In general,the effective meson coupling constants are weakly density dependent.

我们得到的介子耦合常数具有弱的密度依赖行为，δ和ρ介子的有效相互作用强度远小于在平均场中起主要作用的σ和ω介子。

In the "indirect" process, first observed in neutral kaon particles in 1964, quantum mechanics allows particles to change into their antiparticles and back again in a process known as "mixing". In 2001, The BaBar team, working at the Stanford Linear Accelerator -- and independently the Belle collaboration at the KEK laboratory in Japan -- were the first experiments to detect this in a B meson. BaBar observed "direct" CP violation in 2004 by showing that the number of decays observed for B mesons was higher than for their antiparticle equivalents.

在&间接&过程中，量子力学允许粒子在一种被称为&混合&的过程中，在自身与其反粒子之间相互转变。1964年人们第一次在中性K介子上观测到这种现象。2001年，在斯坦福直线加速器中心工作的BaBar研究组和另一个日本高能加速器研究中心的Belle研究小组各自独立地第一次在实验中观测到这种现象发生在B介子上。2004年，BaBar小组观测到了&直接&电荷宇称不守恒，他们发现观察到的B介子的衰变数量要高于其对应的反物质。

The density de-pendence of the meson mass and other dynamical properties of mesons has themuch stronger than that in the NJL model.

介子质量以及介子的其它动力学性质的密度依赖性比NJL模型的结果更强。

Implications from experimental data for neutral meson mixing and the neutron electric dipole moment are well-studied.

我们也详细研究了关於中性介子的混合与中子的电偶极矩实验数据所衍生的涵义。

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本公司产品规格齐全，主要生产加工：瓶盖垫片、橡胶脚垫、EVA脚垫、绒布、绒纸、无纺布、防滑材料、高低波峰海棉、海棉EVA支架、EPE包装材料、硅胶垫、海棉胶条、海棉条、海棉管、魔术帖、PVC标牌、滴胶、商标贴纸、吸音棉、隔音棉、玻璃棉、杂棉、热压玩具及箱包配件、绝缘防尘材料、快巴、活性碳、PVC木棉等、各种进口特殊胶带、EPDM、CR、POPON特种回力胶、防尘材料、喇叭压、PET、PVC、快巴介子、橡胶垫、防震材料，防尘材料，防火绝缘，导电材料等四大包装系列产品，产品遍销全国各地及东南亚地区广泛应用于电子、电器、钟表、灯饰、首饰、五金、塑胶、工艺品、玩具、家具、运动器材等行业。

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本公司产品规格齐全，主要生产加工：瓶盖垫片、橡胶脚垫、EVA脚垫、绒布、绒纸、无纺布、防滑材料、、海棉EVA支架、EPE包装材料、硅胶垫、海棉胶条、海棉条、海棉管、魔术帖、PVC标牌、滴胶、商标贴纸、吸音棉、隔音棉、玻璃棉、杂棉、热压玩具及箱包配件、绝缘防尘材料、快巴、活性碳、PVC木棉等、、EPDM、CR、POPON特种回力胶、防尘材料、喇叭压、PET、PVC、快巴介子、橡胶垫、防震材料，防尘材料，防火绝缘，导电材料等四大包装系列产品，产品遍销全国各地及东南亚地区广泛应用于电子、电器、钟表、灯饰、首饰、五金、塑胶、工艺品、玩具、家具、运动器材等行业。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。