两个地质时代岩石平均成分的差异,是化学演化真实存在的重要证据。
The difference in average composition between the rocks of two different geologic ages provides the important evidence for the actual occurrence of chemical evolution.
我们样品的平均成分水平在某些方面与CI球粒陨石不同:即我们发现有较多的锌、镓和铜及较少的硫。
The average composition for our sample is different in some ways from the CI chondrite meteorites: namely we found more zinc, gallium, and copper, and less sulfur.
此方法能够表征合金材料的平均成分状况,对具有不均匀成分的合金进行评估,能够更全面准确的反映粉末反应过程中的原子反应扩散程度。
The average component of the alloy can be evaluated as well as the inhomogeneity using this measure. It is indicated that the degree of the reaction diffusion among powders.
他们发现并没有什么改变:出售的总数以及每份订餐的平均卡路里还是老样子,人们根本不考虑餐馆是否在菜单上标示出营养成分。
And they found that nothing changed. The total number of sales and the average calories per order were the same, regardless of whether the restaurant labeled its menu.
在道琼斯工业平均指数30种成分股中,有23只股票上涨,美国铝业公司、美国银行和家得宝公司涨幅居前。
Alcoa Inc., Bank of America Corp. and Home Depot Inc. led gains in 23 of 30 Dow Jones Industrial Average stocks.
例如跟踪雷达天线的风力负载是由一个随时间变化的平均速度成分与迭加的随机阵风组成的。
The wind loading of a tracking radar antenna, for example, results from a mean velocity component that varies with time plus superimposed random gusts.
加权(平均指数或指数)资本化更大的成分具有更大影响力的综合指数或指数。
An average or index in which the performance of more heavily capitalized components have a greater influence.
在地壳模型和岩石化学资料基础上,计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and explored.
依据12265个样品求出中国花岗岩类的总平均化学成分;
The total average chemical composition of granitoids in whole China is calculated with 12265 samples.
讨论了激光熔区的凝固特征及成分与激光熔区的平均显微硬度的关系。
The solidification phenomena of the laser melted zone and the relationship between the composition and average microhardness of the laser melted zone were discussed.
并且,黄土的平均化学成分十分接近现在使用的地壳克拉克值。
Moreover, the average chemical compositions of las were very close to Clark values of crust, which are used at Present.
以胆甾醇为指标性成分进行质量控制,采用反相高效液相色谱法对其进行了含量测定,五批蜣螂药材中胆甾醇的平均含量为0.3381%。
Cholesterin as an index component to control the quality was detected by RP-HPLC, the average content of the cholesterin in five kinds Dung Beetle was 0.3381%.
这里主要讲述季节变动的移动平均比率法,其它成分调用统计程序包进行计算。
Here we mainly talk about moving average proportion method of season change, other compositions call statistic program packages.
因此,笔者认为,可以用黄土的平均化学成分来代表大陆上部地壳的平均化学组成。
Therefore, the average chemical compositions of loess may be used to represent average chemical constituents of continental upper crust.
PTA作为浆料的主要成分直接影响到浆料的性能,其中PTA平均粒径的大小和粒度分布情况对浆料性能影响较大。
PTA as the main composition of the slurry, have direct influence on the slurry properties. Effect of average particle size and its distribution on slurry properties are discussed.
结果表明:祁连山附近气温在空间上具有很好的一致性,年平均气温的第一主成分的方差贡献可占总方差的75%左右。
The results show temperature spatial variations have high consistency, the variance ratio contribution of the first principal component is about 75%.
结论能谱ct测定结石平均有效原子序数可以较准确判定结石化学成分。
Conclusion the effective average atomic number of energy spectrum ct can precisely determine the chemical composition of calculus.
舱内粒子的平均能量很高,主要成分是银河宇宙辐射。
The estimated average energy of the particles in the cabin is on the level of Galactic cosmic radiation.
在地壳模型和岩石化学资料基础上,计算和研究了新疆地壳的平均化学成分和主要元素丰度。
With the crustal model and the petrochemical data, the average chemical composition and the abundance of major elements in Xinjiang crust are calculated and...
有效成分适合地以平均直径小于125微米的微粒或微囊形式提供。
The active component is suitably provided in the form of microparticles or microcapsules having an average diameter of less than 125 microns.
全球最大的铝生产商、道琼斯工业平均指数的成分股美国铝公司安排在下周四公布财报。
Alcoa Inc., the world's largest aluminum maker and a component of the blue-chip Dow Jones industrial average, is slated to report earnings on Thursday.
结果发现:除浑浊度因少数水样偏高而 使平均水平略超过国家卫生标准外,其余成分均在饮用水水质卫生标准范围之内或在对健康基本 无害水平。
The results were found that major elements were within national health standard or the level of harmless health except the turbidity, because their data were higher in a few of drinking water samples.
黄芩苷的平均回收率为99.2%,RSD为1.31%。结论:本方法简便、准确、重现性好,能排除其它成分的干扰,可用于该制剂的质量控制和评价。
The average recovery of baicalin was 99.2%, RSD was 1.31%. CONCLUSION: the method is simple, accurate and with a good reproducibility and can be used for the quality control of the granules.
传统语音信号谱特征的提取是基于FFT 的能谱分析方法,在噪音环境情况下,对噪音的频谱成分与语音信号的频谱成分的处理采用“平均主义”的原则。
Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.
按上述栽培措施组合,化学成分综合分可望达到现实林分的化学综合平均分88.13以上。
On basis of the combination, synthetic value of Wood Chemical Components may be in excess of 88.13, the average value of stand.
按上述栽培措施组合,化学成分综合分可望达到现实林分的化学综合平均分88.13以上。
On basis of the combination, synthetic value of Wood Chemical Components may be in excess of 88.13, the average value of stand.
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