known sample的例句大全

The method for obtaining the GC retention parameters of components under temperature programs was studied, so the unknown sample could be transferred to the GC-known sample.

开展程序升温条件下，快速获取复杂环境样品中未知组分气相色谱保留参数的方法研究，将未知样品转化为色谱行为已知样品。

This method can determine the unknown sample types of groundwater runoff belts by the known samples with their hydrogeologic indexes and types, and is a quantitative method.

该方法可根据某地区已知的水文地质指标和类别，确定待识别样本的类别，为地下水探测提出了一种定量识别方法。

But under normal circumstances, it is impossible to get the theoretical weight function by a finite number of known sample points.

但是一般情况下，通过有限个已知样本点求理论权函数是不可能做到的。

The known sample is not large enough to determine a firm upper mass limit, which would in turn give more detailed insight into the physics of such extremely dense forms of matter.

这些已知的样本还不足以确定一个严格的质量上限，而这个上限可以帮助我们进一步了解这些极高密度的物质的物理特性。

However, the first ever known sample of a visiting card, dating back to1786, was found in Germany.

不管怎样，有记录的第一张名片1786年出现于德国。

After the mass fractionation of the original Re isotope data, combined with the isotope dilution formula, the Re isotope data was obtained. The quality of the data was controlled by the known sample and international standard sample.

Re同位素数据经过分馏校正后，结合同位素稀释公式，计算出样品的Re含量和同位素组成。

The known sample values are used to estimate the value of the next sample time, and the actual start or stop of the voltage sag are confirmed by detecting how much the actual values deviated the predict values.

利用已知的电压采样值预测下一采样时刻的电压采样值，通过检测实际值和预测值的偏差判断电压扰动的起止时刻。

The early-warning model can distinguish the known sample data completely. After the preliminary use, the early-warning model can accurate distinguish almost the unknown sample data.

预警模型对已知的样本数据可以完全判别，在初步使用后对未知样本数据的基本判断准确。

However, the first ever known sample of a visiting card, dating back to 1786, was found in Germany.

不管怎样，人们所知道的第一个拜访卡样本－追溯到1786年－出现于德国。

plug-in code that can examine sample data, and return, if recognized, its data type. a data type is also commonly known as a mime type.

可用来检查样本数据并返回数据类型（果可识别）插件代码，数据类型通常也称为MIME类型。

tea. preparation of ground sample of known dry matter content .

同时也详细介绍了所有与该示例有关的已知问题。

Based on examples, introduces significance of difference test method between sample average and ensemble average in cases of totality submission normal distribution ( variance known of unknown big, small sample) or totality non-normal distribution in education experiment;

结合实例，介绍了教育实验中总体服从正态分布（方差已知或未知，大、小样本）或总体非正态几种情形下样本平均数与总体平均数间差异显著性的检验方法；

〔 Methods 〕 inhibitory and appearing color system of O157: H7 selective medium is screened by growth evaluation test of known strain& unknown on-the-spot sample.

〔方法〕利用已知菌种生长评价实验和现场标本实验室评价实验，对出血性大肠杆菌O157：H7分离培养基的抑菌系统和显色系统进行筛选。

GeneU's technology is shinier, and it offers more options for customization, but skin-aging studies with many ingredients ( like antioxidants) have mostly not been well-controlled for specific formulation and dose, adequate sample size or randomized design, so it's not known for sure if they work.

GeneU的技术更引人注目，提供更多个性化选择，但是由于对很多成分（比如抗氧化剂）在皮肤老化中作用的研究大多没有对具体的配方和剂量进行很好的控制，样本数量不够，设计比较随意，所以不能确定这些成分是否有效果。

The combination will land in the northwest region of Oceanus Procellarum, also known as the Ocean of Storms, where two kilograms of lunar sample will be collected.

（着陆器和上升器）组合体将降落在（月球）风暴洋北部，并在那里采集两公斤的月球样本。

Each time the bees were exposed to a non-infected sample, they wouldn't get a reward ( a process known as Pavlovian conditioning).

如果蜜蜂闻到的是没被感染病毒的气味样本，则不会得到奖励，这一过程被称作巴甫洛夫条件反射作用。

Also known as sirolimus, rapamycin was first discovered as a product of the bacterium Streptomyces hygroscopicus, which was found in an Easter Island soil sample.

雷帕霉素也被称作西罗莫司，最初是作为吸水链霉菌制品被发现的。该细菌来自于复活节岛的土壤样本中。

The idea was well-known to communication engineers. In the X-system, it was the practice to sample each of the twelve 25 Hz channels fifty times a second.

通信工程师们对这种想法很熟悉，比如说X系统就是每秒对12个25赫兹的频道进行50次采样。

at last, the calibrated value of lsf and dsf are used for testing the fused quartz sample with known modulus.

最终，使用校准后的载荷因子和位移因子去测试标准样品熔融石英，测试结果远远优于未经校准的值。