一种检测甲烷是否是由生命制造的方法是同位素比测试。
One method to test whether life produced this methane is by measuring isotope ratios.
而如果“好奇号”的嗅探器检测到了甲烷气体，则可以证明后者，因为甲烷是地下细菌生存的副产物。
And if Curiosity's sniffer detects methane gas, it could even imply the latter, since methane can be a byproduct of living subsurface bacteria.
第一个是，2016年发射一颗人造卫星，用于跟踪最近在火星大气层检测到的甲烷和其他气体。
The first, to launch in 2016, is a satellite that would track down the sources of methane and other trace gases recently detected in Mars' atmosphere.
提出了一种定压低温式甲烷检测方法，并分析了其工作原理和特点。
A new technique of methane detection, with constant voltage and low temperature of sensor, is developed.
利用在线质谱分析检测了在各种催化剂上甲烷的程序升温表面反应(TPSR)过程中不同物种的行为。
The behavior of different species during the temperature programmed surface reaction (TPSR) of methane over various catalysts is traced by an on line mass spectrometer.
该仪器主要用于检测煤矿井下环境气体中的甲烷浓度，运用了热催化原理。
This instrument is used with the principle of catalytic incineration to measure the concentration of methane in coal mine.
其次，针对甲烷在近红外波段吸收弱的特点，把光谱调制技术用于浓度检测。
Secondly, spectral modulation techniques are applied into concentration detection because methane has very weak absorption in near-infrared region.
介绍了采用美国微芯公司生产的PIC16 F 873微处理器等器件来设计甲烷检测报警仪，实现了对空气中的甲烷含量的检测。
This article introduces a methane alarm with PIC16F873 MCU manufactured by Microchip Technology Company in U. S. a, which can detect the methane contents in air.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
软件不仅运用于甲烷气体浓度的检测，稍加修改各参数，也可以检测其它气体的浓度。
The software is not only used to detect the methane concentration, but also to detect other gas concentration under a little parameter change.
蜂蜜样品用水溶解后，经正己烷-二氯甲烷提取，提取液经c18固相萃取小柱净化，采用气相色谱仪电子捕获检测器定量测定。
The honey samples were dissolved in water and acetone and then extracted with hexane - chloromethane, cleaned by C18 SPE cartridge, determined by gas chromatographic electronic capture detector.
甲烷含量的检测对煤矿的安全生产等有着重大的意义。
The methane content detecting is very important for coal mine production.
该复合物中钯纳米粒子的分散性好，粒径小，可应用于甲烷气体检测。
The palladium nano particles in the compound have good dispersion and small particle size, and can be used for detecting methane gas.
样品的四丁基溴化铵和二氯甲烷离子对萃取方法与反相离子对色谱分离联用，为水体中芳香族磺酸盐的检测提供了可靠的监测手段。
The combination of ion-pair extraction technology with reversed-phase ion-pair chromatography method provide a effective inspection measure for the sulfonates in water.
可采用为甲烷作出校准的干式检测仪来完成这一操作。
黑黑元件是用来检测空气中0 ~ 4%甲烷气体的载体催化元件。
Black-black sensing element is a carrier catalytic element for the detection of 0 ~ 4% methane in air.
采用双柱双氢焰离子化检测器测定空气中的总烃和非甲烷烃。
Using dual column with flame ionization detector to determine total hydrocarbon and non-methane hydrocarbon in air.
本实用新型涉及一种瓦斯排放器产品，是由电控箱、甲烷检测仪、局扇等几部分组成。
The utility model relates to a gas discharge device which is composed of an electric-control box, a methane detector, a portable blower, etc.
系统能够同时对井下气体中甲烷、一氧化碳等多种危险气体的浓度和井下的温度、湿度等进行检测。
The system can simultaneously monitor the concentration of methane, carbon monoxide and other dangerous gases and temperature and humidity in the coal mine.
样本用丙酮提取，加二氯甲烷萃取，通过中性氧化铝和活性炭混合柱层析净化，然后上气相色谱用NPD检测。
The procedure was described, including extraction by acetone and dichloromethane, cleaning up by passing through a column made up of neutral alumina and active carbon, determination by GC with NPD.
该检测仪将红外辐射强度转化为电压信号，实现对甲烷浓度的测量。
The IR-absorbing methane detecting instrument is designed by converting IR radiation to voltage signal, so the gas concentration is calculated.
论文以甲烷浓度检测为目的，进行基于近红外吸收原理的光纤甲烷气体传感技术的研究。
Methane concentration measurement is the paper's purpose. Fiber methane gas sensing technique is studied based on the principle of near infrared absorption.
本文确定了药物合成过程中经常使用的有机溶剂（乙醇、乙腈、二氯甲烷）残留量的检测方法。
This thesis introduces the test and demonstration of checking method of ethanol, methyl cyanide and dichloride methane which are forbidden.
介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.
分析了强度调制和甲烷浓度差分检测原理，建立了光纤光栅式差分检测方案；
The principles of intensity modulation and difference absorption are discussed. The scheme of fiber grating and difference absorption detection is designed.
论文以甲烷气体检测为目的，进行基于光谱吸收原理的光纤甲烷气体传感技术的研究。
Methane concentration measurement is the paper's purpose. Fiber methane gas sensing technique is studied based on the principle of spectrum absorption.
方法水中的毒死蜱经二氯甲烷萃取后，用火焰光度检测气相色谱法测定，以保留时间定性，外标法定量。
Methods Chlorpyrifos was determined by GC-FPD after extraction by dichloromethane. Qualitative analysis was done by retention time and quantitative analysis by external standard curve.
可检测多种烷类特种气体组份及其中氧、氮、一氧化碳和甲烷等痕量杂质。
The contents of the special gases and gaseous impurities therein were determined.
建立了谐波检测的数学模型，给出了甲烷气体的测量结果。
The mathematical model of gas concentration harmonic measurement is built up. The result of methane concentration is also shown.
建立了谐波检测的数学模型，给出了甲烷气体的测量结果。
The mathematical model of gas concentration harmonic measurement is built up. The result of methane concentration is also shown.
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