2) isotopic composition
同位素组成
1.
Study of the inclusions and the isotopic compositions of volatile components in volcanic rocks in the Okinawa Trough;
冲绳海槽火山岩中岩浆包裹体及气体同位素组成研究
2.
The chemical components and isotopic compositions of fluid inclusions in differe nt carbonate reservoirs in Weiyuan,Ziyang and Longchang gas fields in the southwest of Sichuan Basin are measured by means of on-line mass spectrometry connected with magnetic force crushing equipment to break fluid inclusions unde r vacuum.
采用真空磁力破碎包裹体与质谱计在线连接的方法 ,分析了四川盆地西南威远气田、资阳气田和隆昌气田不同时代碳酸盐岩储层中流体包裹体的化学成分和碳同位素组成 ,并结合储层地质特征 ,研究了储层流体的来源。
3.
Based on data of runoff and water isotopic compositions in the Yarlung Zangbo River,this paper mainly analyzes the spatio-temporal distribution of runoff and isotopic effect of precipitation in this area.
流域内大部分雨水和河水样品的同位素组成均落在全球大气降水线!D=8"18O+10的右上方,显示出强烈蒸发的特征。
3) Isotope composition
同位素组成
1.
The origin of dawsonite is emphatically contrasted and analyzed by stable isotope composition of dawsonite.
根据片钠铝石稳定同位素组成,对比分析片钠铝石的碳来源。
2.
Based on the information of hydrogen and oxygen isotope compositions, tritium contents, deuterium excess parameters (d-excess), this paper analyses and discusses the recharge resource and altitude ,removed patch ,detained time and hydraulic connection at the Zhenzhu spring and Feicui spring in the research area.
本文基于四川牟尼沟珍珠泉和翡翠泉水的氢、氧同位素组成、氘过量参数及氚含量资料 ,详细分析和讨论了两泉地下含水层水的补给源、补给高度、水的运移途径和滞留时间及它们之间的水力联系。
3.
Based on the isotope composition features of water bodies in Sanjiashui area ,this paper use the theory of deuterium excess parameter (d) to discuss and cause of formulation, recharge source, removed patch, detained time and dynamics feature on ground water.
本文基于四川绵竹三箭水及其邻区水体的同位素组成,引入氘过量参数(d=δD-8δ~(18)O)的概念,将其用于查明该地区温泉地下水的成因,包括地下热储层内地下水的来源、补给源区、运移途径和地下水动力学特征,这些将对评估该地区地下热水的库储规模和温泉的开发潜力以及在温泉邻近地区寻找新的温泉靶区有重要的参考价值。
4) boron isotopes
硼同位素
1.
Study on the liquid complex of boron isotopes separation by chemical exchange reaction and distillation;
精馏与化学交换法分离硼同位素中液相络合剂的研究
2.
The enrichment technology and development are reviewed for the separation and production of boron isotopes.
通过对硼同位素分离生产技术发展过程的分析,认为化学交换精馏法仍是目前能够实现工业化的主要方法,并提出了存在的问题及发展方向。
3.
The separation character of boron isotopes was studied by the chemical exchange reaction and distillation method in the BF_3-anisole system.
采用精馏与化学交换法,针对三氟化硼-苯甲醚分离体系,研究了硼同位素分离生产过程的特点,建立了分离过程的稳态数学模型,并利用M atlab程序进行模型求解,同时对操作参量进行优化,得到了不同分离要求的优化参量和操作条件对化学交换过程中理论塔板数的影响以及丰度的分布,该数学模型可以指导工艺设备的改进和优化,为下一步的放大和操作过程提供了理论依据。
5) Boron isotope
硼同位素
1.
Simulative investigation of dehydration of complexing agent in boron isotope separation
硼同位素分离过程络合剂脱水模拟
2.
Boron isotope abundance of (CH3)2O·BF3 complex was measured under the same instrument conditions when 10B isotope was concentrated, with the relative standard deviation of 1.
以硼同位素标准参考物质NISTSRM951配制的标准溶液,在优化的操作条件下对电感耦合等离子体质谱(ICP-MS)测定的硼同位素质量进行校正,求出校正因子,确定了样品的线性浓度范围。
3.
The production process of the boron isotopes was studied based on the complex anisole-BF3 system and the effect of different adjustment of reflux ratio and the recovery rate of complex column and the product recovery in decomposition column on separation were also investigated.
根据三氟化硼-苯甲醚化学交换反应精馏体系,对硼同位素的生产过程进行了实验研究,考察了回流比的调节方式和裂解塔、络合塔产品回收率对分离效果的影响。
6) isotopic composition
同位素组分，同位素组成
补充资料：同位素组成
分子式：
CAS号：
性质：以重量或原子百分比表示的某元素中各同位素所占的比例。如氧的同位素组成为：16O=99.762％、17O=0.038％、18O=0.200％。自然界中，大部分元素具有稳定的同位素组成。同位素组成可变的元素主要是具放射性衰变而不断减少的元素、有放射成因同位素不断累积的元素及某些轻元素。
CAS号：
性质：以重量或原子百分比表示的某元素中各同位素所占的比例。如氧的同位素组成为：16O=99.762％、17O=0.038％、18O=0.200％。自然界中，大部分元素具有稳定的同位素组成。同位素组成可变的元素主要是具放射性衰变而不断减少的元素、有放射成因同位素不断累积的元素及某些轻元素。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条