查询词典 neutron

The free neutron s can bombard other nuclei, leading to a series of fissions called a chain reaction.

自由中子可以轰击其它的核，导致一系列的裂变，称为链锁反应。

The conventional neutron-density log combination in gas identifica tion is inherited and developed.

在继承发展传统的中子——密度测井组合找气方法的基础上，建立两种测井的视孔隙度交叉刻度模型，并选取与实际岩性一致的混合岩性骨架测井响应参数，合成了测井响应新信息。

Emphasis is placed on the industrial application of gamma scanning in tower operation and the neutron backscatter in the level detection of an industrial gas/liquid separator and a hydrogenation reactor.

对γ射线扫描技术和中子背散射技术的基本原理及其在石油化工装置中的主要应用进行了简要介绍。

The nature of hadrons and its dynamics of interaction are described with a clue of the structure of proton and neutron in this article, and a detailed introduction to quark model and quantum chromodynamics is also provided.

本文以质子、中子结构研究为线索，描述了强子性质和相互作用动力学，对夸克模型和量子色动力学做了详细介绍。

The influences of hyperon coupling constant on the properties of neutron star were studied by making use of -GL85 parameter set in the framework of the relativistic mean field theory and taking, freedoms of hyperons into consideration.

采用相对论平均场理论下的GL85参数组，在考虑超子Λ，Σ(上标+，Σ^0，Σ，Ξ^0，Ξ自由度下，研究超子耦合常数的选取对中子星内粒子数密度分布、状态方程及质量－半径关系的影响。

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。

The Oppenheimer-Volkoff mass limits of neutron stars calculated from different equation of state are 1.52-2.06M(subscript ⊙), and the radii are 10.24-11.38km with hyperons included.

对于中子星，考虑超子后不同参数组给出的质量极限的范围为1.52-2.06M，半径为10.24-11.38km。

The various effective interactions'(including DDME1,TW99,NL2,TM1,TM2,GL85 and GL97) influence on the constitute, equation of state and mass of neutron star are studied in the framework of relativistic mean field theory considering the interacting nucleons, hyperons and mesons system at finite temperature (T=20 MeV).

从相对论平均场（Relativistic Mean Field，RMF）理论出发，考虑核子、超子和介子的相互作用，研究了一定温度（T=20 MeV）下，各种不同相互作用参数组（DDME1、TW99、NL2、TM1、TM2、GL85和GL97）对中子星物质的粒子组成、状态方程和质量等的影响。

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。

It is found that both scalar and vector potentials of neutron in theneutron rich nuclear matter become stronger although the isospin dependence is notstronger.

利用这样的耦合常数在RMF近似下计算的核物质的结合能与DBHF结果会有偏离，因而得到的核状态方程也会有偏离，如在饱和点处结合能有小于2％的偏差。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。