他们使用了一种相对较新的X 光技术来检测矿石样品。
They had been using a relatively new technology called X-ray spectroscopy, and they were using this to examine an ore sample.
但获得(H . pylori)的样品相对不易，它需要对胃部的活解剖。
But getting a sample of H. pylori is relatively difficult, as it requires a stomach biopsy.
这种新型玻璃合金的首批样品是相对而言很小，直径仅一厘米的玻璃棒。
The first samples of this new metallic glass were relatively small glass rods just a millimeter in diameter.
不过，胎盘是相对普通的样品，没被在领域的专家主要检查，而是由一般的病理学家。
However, placentas are relatively common specimens and are not examined primarily by specialists in the field, but by general pathologists.
任何重大延误形式，不论所有样品或延误样品相对于其它一、可以大大降低质量的声音信号重现尽头传送。
Any significant form of delay, whether delay of all samples or one sample relative to the other, can significantly degrade the quality of the voice signal recreated at the far end of the transmission.
另外，样品制备时，随着相对湿度的增加，测得的碳纤维拉伸强度逐渐降低。
In addition, CF tensile strength decreased with relative humidity during preparation of specimens.
结果表明，对不同氘丰度的气体样品，单次测定的相对标准偏差好于0 2 % ，氘丰度测量值在0 2 %的误差范围内是可信的。
The results indicate:relative standard deviations are better than 0.2% for gas samples of different deuterium abundance. Measure value is believable in the error range of 0.2%.
采用所设计的微型CT系统对有机玻璃标准样品进行了三维重建，结果表明该微型CT系统具有较高的精度，重建相对偏差在0.6%以内。
The micro-CT system is used to reconstruct a Lucite sample first and the result shows that the system has a high precision, the relative error of reconstruction is under 0.6%.
一种是测定相对年龄，通过与其他的样品的比较来确定待测样品的年龄。
Relative dating assesses the age of a specimen in comparison to other specimens.
自动进样器重复性的测试，一般取同一样品溶液至少重复进样10次，其相对标准偏差不应大于1%。
During automatic sampler repeatability test, a homogenous solution shall be at least sampled and injected for 10 times, and the RSD of results shall not be greater than 1%.
对于样品中的主要组分，测定的相对标准偏差可控制在1%以内，对微量组分可控制在10%以内。
The relative standard deviation of the measurements could be controlled to be less than 1 % for major components and less than 10% for minor components in the solid samples.
在稳态条件下，利用该方法测定了水湿样品的油、气、水三相相对渗透率。
Three-phase relative permeability of oil, gas and water for a number of water wet sandstone. core samples has been measured by this method in steady state condition.
相对于代表集料供货的样品而言，通常可通过本试验方法对试样的含水量进行更为可靠的测定。
It will generally measure the moisture in the test sample more reliably than the sample can be made to represent the aggregate supply.
通过对标准样品的多次测定，测定值均在其保证值范围内，相对标准差为0 7%，准确度高，精密度好。
Test result in many times indicated that the detection value was all in the control limit. The relative standard deviation was 0 . 7% with high accuracy .
对于泊帕克q，相对于1毫升样品环管得到的浓缩因子为500。
For Poropak Q a concentration factor 500 was obtained compared to a 1 cc sample loop.
具体给出了用相对灵敏度因子的内标法确定样品中各元素(绝对或相对)含量的计算公式。
A formula is deduced to calculate the contents (absolute or relative) of some elements in a sample by internal standard method with the aid of relative sensitivity factors.
该系统可确保在测量之前，样品可以快速而准确地调整至一个固定温度和相对湿度。
The system ensures that samples are quickly and correctly conditioned at a fixed temperature and relative humidity prior to their measurement.
为检验分析数据的可靠性，同时对研制单位提供的两种质控样品进行了分析，测量结果的平均值与给出值吻合很好，相对误差小于3％。
Two certificated reference samples are used for verification of the analysis. The analytical results are in agreement with the recommended values, and the relative error is less than 3%.
并测试样品的相对介电常数和相对磁导率，研究了它们的电磁损耗特性。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.
通过对工业糠醇各组分相对重量校正因子和样品进样区间的研究，建立了一种用毛细管气相色谱测定工业糠醇的方法。
A capillary gas chromatography method for determination furfuryl alcohol was established through studying correction factors and range of sample size.
经测试样品的相对介电常数和相对磁导率后，研究了它们的电磁损耗特性。
The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the above three ferrites.
与从收集盘相对容易的提取出彗星样品不同，星际尘埃要困难得多。
Whereas the cometary samples are relatively easy to extract from the collector plates, that is not the case for the interstellar dust samples.
本法测定锰矿标样（冶金部标准样品505）中二氧化硅含量，其测定结果的相对标准偏差RSD为1.08%，测定平均值为33.93%（标样推荐值为33.58%）。
The standard sample(metallurgy department standard sample 505)was measured by this method with the RSD of 1.08% and the mean content value of 33.93%(recommendation value of standard sample is 33.58%).
结果表明，用本法对实际茶叶样品测定时，相对标准偏差小于4 ％，回收率为94．5％-101．8％。测定茶叶标准样品时结果与标准值相符。
The results indicated that the relative standard deviation is less than 4% and the recovery is in the range of 94. 5%-101. 8% by this method.
一种是测定相对年龄，通过与其他的样品的比较来确定待测样品的年龄。
Absolute dating involves assessing the actual age of a specimen by using some reliable measure to time.
对预测集样品预测平均相对偏差为3.2％。
The average relative deviation of the predication set was 3.2%.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋，相对误差小于7.15%，相对标准偏差为5.85%。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
用谱线宽度方法定量检测了硅铋样品中含量为70%的铋，相对误差小于7.15%，相对标准偏差为5.85%。
The quantitative determination of 70% bismuth in silicon-bismuth samples were completed by line width method. The relative error is less than 7.15%, the relative standard deviation is 5.85%.
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