tims相关论文
搭载麦德龙超市,Tim Hortons中国(以下简称“Tims咖啡”)正寻求场景突破.近日,Tims咖啡与麦德龙中国合作后的首批门店已经开业,以......
铀微粒分析技术是IAEA加强核保障体系中重要的一项分析技术，通过对擦拭样品中铀微粒的分析，能够获取有关核活动的重要信息[1].FT-TIM......
采用酸溶法进行沉积物样品硼同位素组成测定的前处理过程中，酸通常会溶解出大量钙、镁、铁等金属离子。溶液中的硼只有在碱性条件下......
采用LN树脂一柱分离微量(1-3mg)岩石样品中的Sm-Nd,本方法采用稀盐酸作为洗脱剂,可以从岩石基体溶液中直接分离出高纯的Sm和Nd.样......
In the process of laser resonant ionization mass spectrometry analysis,the atomization of the sample is very important,w......
在激光共振电离质谱(LRIMS)分析过程中,样品的原子化是非常重要的,它直接决定了生成原子的数量和质量,对激光共振电离质谱测量的探......
锂的两种稳定同位素6Li和7Li存在很大的相对质量差,质量分馏效应十分明显,因此要精确地测定锂同位素比值十分困难。近年来,随着质......
应用激光探针等离子体质谱法 (LP_ICP_MS)测定了锆石微区的2 0 7Pb/2 0 6Pb .所用仪器为VGLaserProbe和VGPQⅡTurboICP_MS .采用Nd......
The neutron-rich isotope ~(182)Hf with its half-life of (9±2)×10~6 a produced by neutron activation canbe used to det......
根据氧同位素构成的不同可以对铀矿石进行地理定位,本工作采用TIMS对氧化铀中的氧同位素比进行了测量。研究了不同的蒸发电离温度......
热红外多光谱扫描(TIMS)数据是1983年8月27日上午在内华达Osgood山脉上采集到的。其范围包括产金地Getchell矿、Pinson矿和正在勘......
The range of observed Chemical compositions of natural terrestrial waters varies greatly especially when compared to th......
The osmium isotopic ratio of 187Os/ 188Os ranging from 0.126 to 0.127 for the primitive upper mantle (PUM) is......
The 187Os/ 188Os ratios of spinel lherzolite xenoliths from Panshishan determined with N-TIMS are lower than ......
High-precision timing of the Quaternary standard samples with thermal ionization mass spectrometry (
Two national stalagmite standard (GBW04412, GBW04413) and one international coral standard (RKM_4) have been determined ......
U-series ages of a set of speleothem samples from the two caves near Tangshan Town, Nanjing, determined by thermal ioni......
根据南京直立人洞穴钙板方解石的 TIMS测年 ,南京直立人化石的年代应早于距今 50万年。南京猿人洞穴堆积所含哺乳动物化石和孢粉分......
High-precision thermal ionization mass spectrometry dating of young volcanic rocks by using U-series
A high precision thermal ionization mass spectrometric (HP-TIMS) technique is used to determine 238U,234U,232Th,230Th c......
samples of lava and pumice from the cone of Changbaishan Tianchi Volcano, Jiling, China, were dated by using high precis......
A UV laser ablation microprobe-inductively coupled plasma mass spectrometry (LAMICPMS) is used to determine the Pb/Pb a......
Re, Os concentrations and Os isotopic compositions of the Dongling ⅢCD iron meteorite were determined by N-TIMS techniq......
Ages of small aragonite samples retrieved from sediments from the Daihai Lake are determined by using the Thermal Ioniza......
应用高精度铀系不平衡 TIMS法测定了吉林长白山天池火山岩锥体中上部的 11个熔岩、浮岩样品的年龄，并据此划分出晚更新世、全新世以......
利用激光微区探针与感耦等离子体质谱结合即LAM_ICPMS技术 ,对已知TIMS年龄数据的若干单颗粒锆石进行了Pb/Pb及Pb/U年龄测定 .Pb同......
The authors measured Pb isotope compositions of seven USGS rock reference standards, i.e. AGV-1, AGV-2, BHVO-1, BHVO-2,......
Based on the comparison of dating results among high-precision TIMS U-series and AMS 14C as well as the published 14C da......
Sm-Nd等时线法已成功应用于月球陨石和地球古老的铁镁、超镁铁岩类的年龄测定，是地球科学研究的重要工具。然而由于超基性岩Sm......
天津市水环境与水资源重点实验室座落于美丽的天津师范大学,是中国科学院地球化学研究所与天津师范大学联合共建服务于天津及环渤......
分析了一种带有透明绝热材料（ＴＩＭｓ）——透明蜂窝双层窗的传热特性，并模拟计算了两个地区冬季窗户的得热量
Analyzes the heat transfer c......
There are two main methods to determine boron isotopic composition.One is the solution method,in which boron is purified......
近日,很多专家对我国最大的锡石硫化物矿床之一的都龙锡锌矿床合作开展的TIMS锡石U-Pb年代学研究,获得了比较理想的研究成果。
Re......
本文用MAT－262质谱仪研究了负热电高质谱技术（N－TIMS）测定Os同位素组成的一些技术问题，首次采用样品与氧化剂一起点样等方法，配合通氧气（g......
本届制冷展,天加空调展示了4款核心产品:TIMS多联机,R410A降膜式变频螺杆机组,R410A环保冷媒的水冷模块机组和40 RT的风冷模块机组......
随着汽车消费市场的日益升温,汽车的安全性能更加被消费者关注。一位从美国硅谷归来的留学博士,带回了刚在西方流行 的轮胎气压报......
Precise measurement of stable (δ~(88/86)Sr) and radiogenic (~(87)Sr/~(86)Sr) strontium isotope ratio
A new method for high-precision measurements of stable (δ88/86Sr) and radiogenic (87Sr/86Sr) Sr isotope ratios was deve......
目前,国际上硼同位素分析方法主要有两类:一类是溶液法,将样品溶解后提纯出硼,用表面热电离质谱(P-TIMS和N-TIMS)或MC-ICP-MS来测......
Environmental sampling is one of IAEA safeguards technology, the aim is to detect the undeclared nuclear activities. Ana......
环境样品分析是国际原子能机构(IAEA)保障监督的重要技术之一,其目的在于通过分析核设施及其周边的环境样品,探查未申报的核活动。......
Environmental sampling is the important one of IAEA safeguards technology, the aim of which is detecting the undeclared ......
In this study,the Pb/U fractionation between zircon and uraninite during femtosecond Laser Ablation Inductively Coupled ......
There’snodisruptionandfallingofsamplefromthefilamenttocontaminateforthemassspectrometer,environmentandoperatorbyelectro......
在核燃料循环研究和环境科学等领域,铀同位素丰度是一个极其重要的参数。通常用于测量铀同位素丰度的α能谱法、γ能谱法和质谱法......
【美国《核电站杂志》2000年1～2月号报道】 美国能源部(DOE)的洛斯阿拉莫斯国家实验室已制定用于监测工作人员中钚的潜在照射量的新......
