介绍了一种能够实现微量样品精确供给的压电微喷。
A piezoelectric micro-jet was presented, which can precisely provide a liquid sample in an order of nano-liter.
本文所介绍的方法特别适用于微量样品的电泳分离或高分辨电泳图谱的检出。
This method had a reasonable reproducibility. It would be very useful in the detection of high resolution electrophoresis pa…
用自己改制的微量样品研磨器解决了大豆鲜组织的大批量小样品的无损耗快速研磨问题。
The problem of grinding large Numbers of small samples of fresh soybean tissues rapidly and without loss was solved by using a grinder modified with a spiral ratchet screw driver.
化学工程在开发生物传感器方面也发挥着作用，如利用固定酶的方法对微量样品进行在线分析。
Chemical engineering can also play a part in the design and development of biological sensors, employing immobilized enzymes to analyze minute samples online.
MS在线碳同位素分析技术，能够从微量样品（色谱量级）中获得丰富的单分子碳同位素组成信息。
Using GC/C/MS online carbon isotope analytic technic, abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale).
另外，从冻土带和非冻土带及其蓄水砂石层中的地下水样品的分析情况来看，微量元素的含量也超出了其它地区的含量。
Additionally, samples from glacial and non-glacial sand and gravel aquifers consistently had more occurrences of trace elements in groundwater than samples from other aquifers.
源于石质天体星子(planetesimals)的陨石样品表明这些石质物体包含微量的水。
Samples of meteorites that originated from planetesimals indicate that the rocky bodies contained tiny amounts of water.
方法：用平面光栅摄谱仪拍摄未知样品之原子发射光谱图，并作定量分析。结果：测定营养品中微量元素的含量。
Methods:Use the Grating Spectrograph to take photograph of atomic emission spectrum of unknown sample and make quantitative analysis Results:Quantitative determination of trace elements in nutriment.
通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。
Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.
该方法样品处理简单，检出限低，灵敏度高，是一种比较可靠的微量元素分析新方法。
With the advantages of simple sample preparation and high sensitivity, the developed method is a reliable analytical method for trace elements analysis in soil.
本法简单易行、准确迅速，能适用于地质样品中微量金的测定。
This method is simple and accurate with quick effectiveness which can be used to determine trace gold in geological samples.
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.
探讨了用微波消化罐消化样品、以火焰原子吸收光谱法在同一体系中测定菠萝中微量元素铜、锌、铁、锰的方法。
A method of digesting pineapple sample in microwave digestion jar and detecting copper, zinc, iron and manganese in the same digested solution with FAAS was discussed.
结合低本底化学流程，实现了微量地质样品的高精度同位素比值测试。
Combining chemical separation procedures having low blank, measurements of micro-geological samples have successively been achieved.
采用低温干灰化法制备样品，ICP -AES同时分析毛皮动物貉被毛组织中多种微量元素。
Trace elements of fur tissue on fur-bearing animal raccoon dog were analyzed by inductively coupled plasma-atomic emission spectrometry (ICP-AES).
通过化学加入法校正吸收效应，采用X射线荧光分析法（XRF）分析人发样品，确定人发中微量元素的含量。
Using chemical addition method to calibrate absorption effect, trace element in human hair are analyzed with X-ray fluorescence (XRF).
利用该法测定了全脂奶粉中微量胆固醇氧化物的含量，同时对样品中粗脂类的提取及净化过程作了研究。
Cholesterol oxidation products are determined in whole milk powder by gas chromatography, including of extraction of lipid and sample purification.
用等离子质谱(ICP - MS)分析一些特殊样品的时候，前处理方法成为分析样品成功与否的关键，对于高基质含量的样品测量其微量元素含量更是如此。
Using Inductively Compled Plasma Mass Spectrometry (ICP-MS), the pretreatment method of some special samples is a key, especially to analyzing trace elements of samples contained high background.
目的建立一种灵敏度高、重现性好的检测混合样品中微量目的基因的方法。
Objective To develop a high sensitivity and reproducible method for rapid DNA analysis even when using picogram sample in a complex background.
这些样品会定期进行微量元素分析。
方法具有快速、简便、准确、灵敏、重现性较好的特点，适合于蔬菜水果样品中多种微量农药残留的测定。
It is concluded that this method is rapid, accurate, sensitive and reproducible for determining trace pesticides in vegetable and fruit samples.
探索一种新型的样品前处理装置，首次运用载体、携带体和综合蒸馏技术完成了待测样品中微量成分的提取分离和富集。
Support, delivery and compositive distillation technique was first used to complete the extraction, separation and concentration of trace components.
由于分析样品分布不均和采用的测试方法各不相同，本文的数据还不能准确地代表中国煤中微量元素的平均丰度值。
According to the strata about the trace elements in coal of China, the different background value of trace elements in different parts of China wered rew out.
结果60份肝脏样品、80份细胞培养物和60份血清样品全部正确检出，与微量补反(MCF)检验结果全部相符。
All the 60 liver, 80 cell culture and 60 serum samples were correctly diagnosed in good agreement with MCF.
采用王水分解样品，分光光度法测定水系沉积物样品中微量铬，方法简便，易操作，成本低。
By using sulpho acid to dissociate samples, using spectrophotometric method to determine micro-chrome in drainage sedimentary is very easy and simple with low cost.
只使用微量试样，即能获取该样品的焓变、活化能、玻璃化转变温度等。
The enthalpy change, activation energy and glass transient temperature can be obtained with samples of only a few milligrams.
用于钢铁样品中微量铜的测定获得了满意的结果。
The method has beeu used to determine micro copper in steel with satisfactory results.
该方法用于分析土壤样品中的微量元素，得到令人满意的结果。
This method was utilized to determine trace elements in soil with satisfactory results.
该方法用于分析土壤样品中的微量元素，得到令人满意的结果。
This method was utilized to determine trace elements in soil with satisfactory results.
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