relativity相关论文
In this work, we show that by restricting to the subgroup of time-independent coordinate transformations, then it is pos......
Despite several attempts that have been made to explain the twin paradox, which are based on asymmetry and acceleration,......
Effective Mass Model Reduced to Ordinary Mass Using Newton’s, Quantum and Generalized Special Relati
The concept of the effective mass in crystals shows that the electron mass is affected by the crystal field and was expe......
This brief note introduces the conceptual framework of special and general relativity isoclocks and isoframes. Isoclocks......
This brief note describes a method by which numerous empirically-determined quantum constants of nature can be substitut......
In this paper, I show that the Special Relativistic effect of mass increase that occurs within objects when they move at......
The paper introduces a theoretical model aimed to show how the relativity can be made consistent with the non reality an......
A century of successful experiments on general relativity was unable to convince substantial scholars on the presence of......
结合数据相关性的分析、模糊C均值聚类和模糊分类系数的确定方法 ,给出了气象观测站优化调整的综合模型 .给出的模型综合考虑了聚......
目的:探讨子痫前期患者在临床症状出现之前血浆中胎源性非甲基化丝氨酸蛋白酶抑制剂B5(serpin peptidase inhibitor,clade B,membe......
This paper focuses on studying the generalized geometry theory of constrained rotating relativistic Birkhoffian systems.......
目的 探讨小细胞肺癌(SCLC)患者血清神经元性烯醇化酶(NSE)与ProGRP(31-98)水平同步检测的临床价值及其相关性.方法 采用酶联免疫......
Analysis of results related to the percent free prostate specific antigen among men without prostate
Objective: To measure the percent of free prostate specific antigen (fPSA) among men without prostate diseases in Xian a......
采用扫描电镜(SEM/EDX)、失重法等研究了7A04铝合金在两种模拟SO2气氛条件下的腐蚀行为和规律,以及与江津大气暴晒试验结果的相关......
Noether’s theory of a rotational relativistic variable mass system is studied. Firstly, Jourdain’s principle of therot......
For the relativistic Hamiltonian system, a new type of Lie symmetrical non-Noether conserved quantities are given.On the......
,A new non-Noether conserved quantity of the relativistic holonomic nonconservative systems in gener
For the relativistic holonomic nonconservative system, a new Lie symmetrical non-Noether conserved quantity is given und......
,Form invariance and conserved quantities of Nielsen equations of relativistic variable mass nonholo
In this paper, the definition and criterion of the form invariance of Nielsen equations for relativistic variable mass n......
,Relationship between width of pulses and Lorentz factor expected from the light curve of fireball s
Time profiles of many gamma-ray bursts consist of distinct pulses, which provides a possibility of characterizing the te......
,Noether symmetry and non-Noether conserved quantity of the relativistic holonomic nonconservative s
For a relativistic holonomic nonconservative system, by using the Noether symmetry, a new non-Noether conserved quantity......
,A new type of conserved quantity of Mei symmetry for relativistic nonholonomic mechanical system in
In this paper,a new type of conserved quantity induced directly from the Mei symmetry for a relativistic nonholonomic me......
,Development of the spectrum of gamma-ray burst pulses influenced by the intrinsic spectral evolutio
The spectral evolution of gamma-ray burst pulses assumed to arise from the emission of fireballs is explored. It is foun......
,Existential theorem of conserved quantities and its inverse for the dynamics of nonholonomic relati
We present a general approach to the construction of conservation laws for the dynamics of nonholonomic rel-ativistic sy......
The differential equations of motion of a relativistic variable mass system are given. By using the invariance of the di......
In this paper, the stability of equilibrium state manifold for relativistic Birkhoffian systems is studied. The equilibr......
本文通过对荣华二采区10...
心房颤动（房颤）是临床上最常见的持续性心律失常，可导致患者死亡率升高。胃食管反流是消化科的常见病症，是胃内容物反流入食管引起的不......
目的 调查老年住院患者心理健康状况和睡眠质量情况,分析二者的相瓦关系.方法 纳入2005年10月-2007年10月在哈尔滨医科大学附属第......
目的 探讨焦虑情绪与突发性耳聋预后的相关因素.方法 采用Zung焦虑自评量表(SAS)分析突发性耳聋住院患者焦虑情绪的改变,分析突发......
This article has demonstrated the possibility of deriving an equivalent mathematical velocity expression while setting a......
The article shows that the special theory of relativity (STR) created in the last century was based on postulates due to......
目的 探讨老年脑卒中患者血清皮质醇水平与卒中后抑郁(PSD)是否具有相关性.方法 对41例老年卒中患者在发病后2周进行血清皮质醇检......
目的 探讨裕泽毅公司血栓弹力图仪(YZ)与美国血技公司血栓弹力图仪(TEG)检测血小板功能的相关性以及抗血小板药物抑制率检测效果.......
目的 了解慢性病患者心理压力与应对方式状况,探讨两者间关系,为临床心理干预提供依据.方法 采用中文版知觉心理压力量表(CPSS)和......
目的 探索不同CT扫描参数对人体同一种组织CT值的影响.方法 通过在同一台CT机上,分别改变其中1个扫描参数,如X线管电压、毫安秒和......
A new dynamo model based on the polarization of plasma is presented in this paper.From the Maxwell equations in a moving......
The Mei symmetry and the Lie symmetry of the relativistic Hamiltonian system are studied. The definition and criterion o......
The order reduction method of the relativistic Birkhoffian equations is studied. For a relativistic autonomous Birkhoffi......
Using form invariance under special infinitesimal transformations in which time is not variable, the non-Noether conserv......
Lie Symmetrical Perturbation and Adiabatic Invariants of Generalized Hojman Type for Relativistic Bi
For a relativistic Birkhoffian system, the Lie symmetrical perturbation and adiabatic invariants of generalized Hojman t......
昭和初期社会转型的不安和自我意识的震荡是心理分析小说《机械》呈现的两种表征。与之相对应,作者在叙述上也呈现出不同视角交错......
博厄斯在《原始艺术》中对北美洲土著艺术的分析,贯穿了人类学的文化相对论史观,书中主要探讨艺术与技术,性别与风格,等级与风格以......
在定量测度1981～2010年30年厦门市公共服务发展水平的基础上,采用Granger因果关系检验、建立协整回归方程等方法对厦门市公共服务与......
目的：研究肺炎支原体感染与小儿支气管哮喘的临床关系。方法：患儿为哮喘组，健康儿童为对照组，对比分析两组MP-Ab及血清总IgE。结果：哮喘......
A multi-bubble model of universe is presented, in which gravity is the result of the aging of electromagnetic dipoles pr......
Existing particle physics models do not account for dark matter and neutrino mass, or explain the three generations of f......
同时考虑经典变质量和相对论变质量情况，运用变质量非完整可整可控力学系统的相对论性ＤＡｌｅｍｂｅｒｔ－Ｌａｇｒａｎｇｅ原理，得到了变质量非线性非完整可控系统在准坐......
目的了解医院感染与医疗事故的相关性. 方法对医院感染与法律、医院感染与医疗纠纷、医院感染管理与预防等问题进行探讨. 结果就我......
爱因斯坦的相对论揭示了不断运动变化的物质世界，马克思的辩证唯物主义揭示了不断运动变化的精神世界，法律在不同的时间和空间同样具......
