查询词典 nuclear physics

The BEijing Spectrometer is an only large general purpose solenoidal detector at the BEPC, on which the physics is to study e+e- collide physics in 2-5GeV region , the emphasis is in the τ-charm physics and the topics include J/ψ physics,ψ(2S) physics, T physics, Ds physics, D physics and hadrons generation mechanism as well as the test of QCD in 2-5GeV.

经过中外科学家的共同努力，在北京谱仪上已作出了包括"τ轻子质量的精密测量"、"2-5GeV能区的R值测量"，以及在J／ψ、ψ(2S)、Ds介子等物理研究中的多项国际领先水平的重要科研成果，引起了国际高能物理界的普遍重视和广泛关注。

People through nuclear reactions, have been synthesized 17 kinds of atomic number greater than 92 of the transuranic elements, and thousands of The new kinds of radioactive nuclides, and by high-energy and ultra-high energy-ray beam and the interaction of atomic nuclei and found hundreds of kinds of short-lived particles, namely, baryon, meson, lepton, and particle resonance states of these particles has led to a new field of study - the birth of particle physics since the age of .70, nuclear physics has entered a deep development and wide application of new, more mature stage, on the one hand the development of particle acceleration and detection techniques, expanding people's research in nuclear means, the other hand, nuclear technology to serve the national economy, for example, for the development and utilization of nuclear energy to provide more accurate nuclear data; the use of isotope tracer technique diagnosis and treatment of disease; the use of radiation and irradiation preservation of food, irradiation breeding .

人们通过核反应，已经人工合成了17种原子序数大于92的超铀元素和上千种新的放射性核素，并且通过高能和超高能射线束和原子核的相互作用，发现了上百种短寿命粒子、即重子、介子、轻子和共振态粒子，对这些粒子的研究导致了一门新学科——粒子物理学的诞生。70年代以来，核物理进入了纵深发展和广泛应用的新的更成熟的阶段，一方面发展粒子的加速技术和探测技术，扩充人们研究原子核的手段，另一方面将核技术服务于国民经济中，例如，为核能的开发利用提供更为准确的核数据；利用同位素示踪技术诊断和治疗疾病；利用射线及辐照技术保存食品、辐照育种等。

Chinese Nuclear Industry 23rd Construction Corporation(CNI23), as a synthetic equipment-installing company of Chinese nuclear industry system, was founded in 1958. Its main businesses are nuclear power engineering, nuclear engineering and national defense industry projects. It undertakes all the tasks of mainlands installation of nuclear facilities, and it also has gained the main contractor status of the domestic nuclear power plant projects and the market of nuclear engineering equipment installation.

中国核工业第二三建设公司作为我国核工业系统的综合性设备安装公司，自1958年成立以来以核电工程、核工程和国防军工工程建设为主营业务，承担了国内大部分核设施的安装施工任务，奠定了国内核电站工程、核工程设备安装市场的主要承包商地位。

Modem medical physics should include 4 parts, medical imaging physics, nuclear medicine physics, radiation oncology physics, and health physics.

国际相关业界公认，现代医学物理学必须涵盖医学影像物理、肿瘤放射治疗物理、核医学物理和保健物理等重要内容。

It includes radiological imaging physics, radiation oncology physics, nuclear medicine physics, the use of non－ionizing techniques such as nuclear magnetic resonance, ultra－sound, microwaves, radio frequency waves, and lasers, as well as health physics.

医学物理包括放射肿瘤物理(radiation oncology physics， ROP)、医学影像物理(medical imaging physics， MIP)、核医学物理(nuclear medicine physics， NMP)，其他非电离辐射如核磁、超声、微波、射频、激光等物理因子在医学中的应用，和保健物理(health physics， HP)等分支内容。

The world's nuclear power plants in the nuclear island and conventional SAFETY VALVES island a number of important nuclear grade, non-nuclear grade valves, such as the pilot-type safety valve, the main steam isolation valves, regulating valves and other valves of nuclear power technology and markets are well-known nuclear power valves company monopolies, and the price very high.

世界上核电站中的核岛和常规岛中许多重要的核级、非核级阀门，如先导式安全阀、主蒸气隔离阀、调节阀等的核电阀门技术和市场均被著名的核电阀门公司所垄断，而且价格十分昂贵。Introduction of nuclear power valves 是由中国疏水阀网提供的国际阀门新闻，译文仅供参考。另外，中国疏水阀网还提供相关产品搜索：疏水阀型号、疏水阀价格、疏水阀技术、疏水阀新闻、疏水阀生产商等。

In this paper, we mainly study the two problems of teaching and learning physics conception in basic physics, which is relate to Physics of middle school as well as the physics knowledge in the Course Nature of elementary school and General Physics of college.

本文主要研究基础物理中的物理概念的教与学两个方面的问题。本文所指基础物理主要是指中学物理，也泛指小学自然课中的物理知识和中专物理以及大学普通物理。

Secondly, relations between the structuralism and physics teaching illustrate that the physics history can play the role of "advanced organizer" in improving the transfer ability. Moreover, the theory of recapitulation of physics announces the inherent similarity between the process of physics research and the process of physics conception learning. According to constructivist learning theories, the dissertation explains the process of students' learning the scientific concepts.

首先论文通过分析比较皮亚杰认知发展论和库恩科学发展论得出教育实践应与科学发展规律保持一致，应重视物理学史在物理教学中的应用，对于不同认知水平的学生和不同类型的知识应采用不同的教学方法：其次从结构主义与物理教学的关系说明物理学史在提高迁移能力上可以扮演"先行组织者"的角色；再次，通过物理文化重演理论揭示人类研究物理学的过程与学生学习物理概念的过程的内在相似性，并根据建构主义学习理论解释学生学习科学概念的过程。

Phys. The science of matter and energy and of interactions between the two, grouped in traditional fields such as acoustics, optics, mechanics, thermodynamics, and electromagnetism, as well as in modern extensions including atomic and nuclear physics, cryogenics, solid-state physics, particle physics, and plasma physics.

物理，物理学：有关物质和能量及两者之间相互作用的科学，传统上分为声学、光学、机械学、热力学和电磁学，现今又扩展到包括原子物理、核物理、低温学、固体物理学、微粒物理学和等离子体物理学

The history and the present conditions of the atomic physics are synoptically reviewed; highly ionized atomic systems are frequently met in the study of the experiment physics, astrophysics and nuclear physics, the study of them is of great benefit of the development of the related experiment and theoretic physics.

简要地回顾了原子分子物理学发展的历史及现状，特别阐述了高离化原子，因为高离化原子在实验物理、天体物理以及核物理中经常遇到，所以研究它们的性质可以促进相关的实验物理以及理论物理的发展。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。