核素

Objective To analyse acesodyne effect of 89Sr treatment on patients with multiple bone metastases.

目的 分析放射性核素89Sr对多发骨转移癌患者的止痛效果。

Uptake behaviors of 103Ru and 106Ru by bivalves were great differences: most of 103Ru uptake by the bivalves was in shells and 106Ru mainly distributed in soft tissues.6 The concentration biokinetics

扁藻、'J'球藻和简单角毛藻对这 7种核素的累积在 48 h内即达到平衡，浓集因于为 10'－10'。

The dynamics nuclear reaction with the Borromean nucleus 〓He was investigated based on the calculation of nuclear reactions system for stable nucleus 〓He and exotic nucleus 〓He collide on C target by an isospin-dependent Boltzmann-Langevin Equation which included symmetry energy, isospin-dependent N-N cross sections and isospin-dependent Pauli blocking.

论文最后，利用同位旋相关的Boltzmann-Langevin方程计算稳定核〓He和奇异核〓He同C靶的反应系统来研究〓He反应动力学特性，研究反应产生的核素产生截面，以及〓He产生截面随碰撞参数的变化。

Geothermochronology based on mineral closure temperatures and geochronological methods such as U-Pb, Sm-Nd, Rb-Sr, Lu-Hf, Re-Os, 40Ar/39Ar, FT,/He, TIMS U-series, cosmogenetic nuclide (including 14C, etc.) and 3H/3He for young groundwater dating is reviewed in this paper.

简要介绍了基于矿物封闭温度的地质热年代学，并对多种地质年代学方法，包括U-Pb法、Sm-Nd法、Rb-Sr法、Lu-Hf法、Re-Os法、40Ar/39Ar法、裂变径迹测年、/He法、TIMS铀系法、宇宙成因核素定年（包括14C法等）和年轻地下水测年（如3H/3He法等）进行了综合评述。

Cosmogenic isotopes 〓Be was used to date the glacial geomorphic surface of Qinghai-Xizang Plateau in this paper.

本文应用宇生核素〓Be对青藏高原冰川地貌面的年代进行计算。

This technique for surface dating is ripe now and often be used, especially cosmogenic isotopes 〓Be and 〓Al being used to dating.

该测年技术已经成熟，特别是利用宇生核素〓Be、〓Al对年代的计算，该测年技术在国外的应用已相当普遍。

Despite the shortages, cosmogenic nuclides as a new kind of tracershould be enc ouraged to be used in the study of soil and weathering profile.

土壤和风化壳的宇成核素研究多数都要在一些假设条件下进行，因而受到很大限制。

The concentration of cosmogenic isotope in rock surface is a function of age, production rate, erosion rate and uplift rate. Using this model, we can calculate the exposed age.

岩石中生成的宇生核素的浓度是其生成速率、累积时间、侵蚀速率和地面隆升速率的函数，根据其原理来计算出地貌面的暴露年代。

The concentrations of cosmogenic nuclides ~(10)Be and ~(26)Al recorded the messages of exposure time and denudation rate on the denuded surface.

宇宙成因核素10 Be和2 6Al的浓度记录着岩层剥蚀面的暴露时间和岩石剥蚀速率等信息。

The Apatite fission track analysis, the deposition erosion process analysis and the cosmogenic nuclide analysis are introduced as the three new advancing methods on the recovery of the thickness of eroded strata in basin in this paper.

主要介绍了磷灰石裂变径迹分析法、沉积波动过程分析法和宇宙成因核素分析法等3 种恢复和计算地层剥蚀量的新方法。

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％。