- 更多网络例句与丰度比相关的网络例句 [注：此内容来源于网络，仅供参考]
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The thorium abundance ratio measured for the star in the Ursa Minor dwarf galaxy is as low as that found in the oldest stars in the Milky Way, suggesting that this star could be at least 12 billion years old.
钍丰度比测得的星在URSA患者小矮星系是低至那被发现在古老的恒星在银河系中，暗示这颗恒星可能至少有12亿年之久。
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Lead ; atmospheric aerosols ; isotope abundance ratio
铅； 大气颗粒物；同位素丰度比
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The differential eguations and boundary conditions are established, based on these hypotheses. The theoretical formulary about sample atom number with different diffusion coefficient are reasoned out; the relationship between the isotope abundance ratio and the sample wastage of melting and solid samples and the samples simultaneously at evaporation and decomposition are discussed in theory.
根据这三条假设建立了样品原子数的微分方程及边界条件，推导出了不同扩散系数的样品原子数的理论公式，从理论上讨论了熔融态、固态样品以及蒸发分解同时发生的样品同位素丰度比与样品消耗量间的关系。
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The sample was digested by high-pressure vessel with HNO3/H2O2 as the solvent. By measuring 200Hg/202Hg abundance ratio and adding quantity of the spike, the content of Hg was determined. Moreover, the uncertainty of results were also analyzed and evaluated.
样品处理采用高压密封焖罐酸溶样技术，将样品与202Hg稀释剂混合，通过所加稀释剂的量和测量混合样品中200Hg/202Hg的丰度比，准确计算出样品中Hg元素的含量，同时对测量结果的不确定度进行分析和评定。
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The MS showed that the ratio of relative abundance ratio of two main Se isotopes is about 2:1, which can give important information for identifying molecular or fragile ions of selenium.
所有化合物均可获得特徵质谱，表现出含单个硒原子的分子离子或碎片离子特徵峰簇，硒的两种主要同位素在峰簇中表现为主要峰M与(M-2)的相对丰度比约为2：1，可为鉴定含硒分子离子或碎片离子提供重要信息。
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Models of element synthesis during the supernova explosions predict that the abundance ratios of actinides with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios of protons, neutrons and electrons.
模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。
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Research of neodymium isotopic abundance measurement provides experimental and technical support of determination of neodymium atomic weight.
采用浓缩同位素进行丰度比的测量可以提高丰度测量的不确定度，减小最终结果的测量偏差。
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The isotopic ratio of the sample is finally obtained by correction of the IDMS measured value with the correction factor.
用校正因子校正样品和稀释剂的同位素丰度比的测量值，得到准确值。同时，评定了方法的不确定度。
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It is an absolute measurement method based on gravimetry.
它可用于准确测定铀样品中的丰度比，这是一种基于重量法的绝对测量方法。
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Models of element synthesis during the supernova explosions predict that the abundance ratios of actinide s with respect to other stable elements heavier than iron are very sensitive to the environment of the explosion, such as the entropy and the ratios o
模型元素的合成，在超新星爆炸预言的丰度比锕对于其他稳定更重的元素，比铁很敏感，对环境造成的爆炸，如熵和比例的质子，中子和电子。
- 更多网络解释与丰度比相关的网络解释 [注：此内容来源于网络，仅供参考]
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abundance ratio：丰度比
血流细胞计数仪的用法是先用仪器吸入含有作为样本的生物分子液体,然后向流动的液体照射激光,通过检测发自某些特殊物质的萤光,对细胞的内部结构和形状,以及每种细胞的丰度比(abundance ratio)进行分析.
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abundance ratio：(同位素)丰度比
abundance 丰富,多;丰度,分布量 | abundance ratio (同位素)丰度比 | abundance sensitivity 丰度灵敏度
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isotopic abundance ratio：同位素丰度比
同位素比活度 isotope specific activity | 同位素丰度比 isotopic abundance ratio | 同位素成分 isotopic composition
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molecular abundance ratio：分子豐度比
分子丰度;分子含量 molecular abundance | 分子丰度比 molecular abundance ratio | 分子射柱 molecular beam
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ion abundance：离子丰度
棒图中,横座标表示质荷比(m/z) ,其数值一般由定标器或内参比物定出来.纵座标 表示离子丰度(ion abundance)即离子数目的多少.表示离子丰度的方法有两种,即相对丰 度和绝对丰度.
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base peak：基峰
由于某个具体离子的"数量"无法测定,故一般用相对丰度表示其强度,即最强的峰叫基峰(base peak),其他离子的丰度用相对于基峰的百分数表示. 在质谱仪测定的质量范围内,由离子的质荷比和其相对丰度构成质谱图. 在LC/MS和GC/MS中,
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Waldenses：(瓦勒度派)
我们只要来看下面这些事就好:英诺森*(Innocent)三世是有史以来品德最高尚,功绩最丰伟的教宗之一,扑灭亚勒比根斯*(Albigenses)与瓦勒度派*(Waldenses)的谕令却是他批准的;西班牙的异教裁判所甚至把拷打异教徒和异教徒示众游行当成是宗教庆典;
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Leuconostoc：明串珠菌属
结果表明, 用传统分离与分子鉴定方法获得7个属的细菌类群, 其中乳杆菌属(Acidobacterium)是优势菌群, 明串珠菌属(Leuconostoc)是次优势菌群. 对通过DGGE方法得到的11条16SrRNA优势条带序列进行了比对, 结果表明明串珠菌属(Leuconostoc)的丰度最高,
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Navicula：舟形藻
玉溪河入库区及库中区Fe-P/HCl-P比变化不规则. 水库水动力学过程的区域差异还影响了沉积硅藻的空间分布. 库中区硅藻绝对丰度高,其次为吕田河入库区,大坝区和玉溪河入库区. 在水库上游的吕田河入库区和玉溪河入库区,舟形藻(Navicula)为主要优势属,
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sap flow：液流
通过测定树干液流(sap flow)进而长期、连续、准确地分利用效率(WUE)的相关性. 此后, 13C同位素的测定标准物(PDB)中13C/12C的丰度比, 通常情况下Rp<Rs,4: 391~397 31 王华田, 马履一. 利用热扩式边材液流探针(TDP)测定树木整株