It will direct people to deal with Aloe correctly by studying on extraction method on the effective components and the determination of trace metal in the Aloe.
对芦荟中微量金属元素的测定及芦荟有效成分的萃取方法的研究可以为人们正确使用芦荟提供一定的指导。
To the isopropyl alcohol this kind of substrate ingredient rich sample, the determination method using direct caused the result insufficiently to be ideal, and the remarkable system error.
对异丙醇这类基体成分丰富的样品测定，采用直接上机进样测定的方法使结果不够理想，而且存在显著的系统误差。
The article introduces choices of direct purge on gas transmission system displacement method, determination of purge criteria, its technological process and control, then its reliability.
介绍城市煤气输配系统置换方式的选择、置换参数的确定、置换工艺流程及指标的控制，说明直接置换方式的可靠性。
The sample preparation by the filter paper method and the direct determination of major (thulium)and five neighbouring micro-rare earth element impurities in pure thulium oxide by XRF are described.
本文拟定了一种采用滤纸片法制样，X射线荧光直接测定纯氧化铥中氧化铥主量以及氧化钬、氧化铒、氧化镱、氧化镥和氧化钇等稀土杂质含量的分析方法。
In this paper, We have studied the method of unseparate the matrix and direct determination of impurities in pure indium by inductively coupled plasma mass spectrometry(ICP-MS).
研究建立了不分离基体元素，直接采用电感耦合等离子体质谱法测定精铟中的杂质元素的方法。
Objective To establish a method for determination of aluminum in diluted milk samples by graphite furnace atomic absorption spectrometry with furnace interior direct digestion.
目的建立一种无需事先消化测定牛奶稀释样中的铝的炉内直接消化石墨炉原子吸收法。
There are three methods for the determination of the acceleration based on differential GPS carrier-phase technology: position differentiating, velocity differentiating and direct carrier method.
利用GPS差分技术确定载体运动加速度，其方法有三种：位置微分法、速度微分法和加速度直接解算法。
The method was applied to direct determination of nitrite in collapse lake water, fishpond water, power plant waste water and well water with satisfactory results.
应用该法直接测定煤矿塌陷湖水、鱼塘水、电厂废水和地下水中的亚硝酸根获得满意结果。
The proposed method is simple, convenient and highly sensitive, which can be applied to direct determination of hydrogen peroxide in rainwater with satisfactory results.
该法具有所用仪器简单，操作方便，灵敏度高等特点，应用于雨水中微量过氧化氢的测定，结果满意。
The method for determination of aluminum, copper, iron, phosphorus and silicon in metallic chromium has been studied with a direct-reading inductively coupled plasma emission spectrometer.
阐述了用全谱直读型电感耦合等离子体发射光谱仪测定金属铬中铝、铜、铁、磷、硅元素的测试方法的研究。
A kinetic method for the direct determination of CO_2 in gaseous phase is proposed, based on fading the phenolphthalein when CO_2 dissolves in dilute aqueous solution of NaOH.
本文基于气相中的二氧化碳在稀氢氧化钠-酚酞溶液中的溶解而使酚酞逐渐褪色的动力学行为提出了一种直接测定气相中微量二氧化碳的动力学分析法。
This method is used in development of Nb-bearing steel and determination of controled sample of direct-reading spectrometer by furnace with fast and simple operation and accurate result.
方法被用于含铌品种钢的开发和炉前直读光谱控制样品的定值。该方法简单、快速，结果准确。
This method is used in development of Nb-bearing steel and determination of controled sample of direct-reading spectrometer by furnace with fast and simple operation and accurate result.
方法被用于含铌品种钢的开发和炉前直读光谱控制样品的定值。该方法简单、快速，结果准确。
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