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。
Hu G. L., X. y. lu, J. G. Wu, S. R. Shao and C. H. Shi, Direct Determination of Total Flavones in Ginkgo Extract Powder by Near-infrared Diffuse Reflection Spectroscopy.
胡钢亮、吕秀阳、吴建国、邵胜荣和石春海，近红外漫反射光谱法直接测定银杏提取物粉末中总黄酮的含量。
Volatile ions are trapped in slightly basic or acidic absorption solutions for subsequent direct determination by ion chromatography, voltammetry or atomic spectroscopy.
挥发性的离子被带少许碱性或酸性的吸收溶液收集，然后对其进行离子色谱、伏安法或原子分光谱分析。
The direct determination of iron in aluminum alloy with atomic absorption spectrometry is greatly interfered by acidity of solution, presence of aluminum and silicon elements.
采用火焰原子吸收光度法直接测定铝合金中的铁时，溶液的酸度、共存的铝基及硅等元素严重干扰铁的测定。
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。
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。
The intrinsic frequency of a beaker can be determined by means of direct determination, resonance or water drip modulation, and each of the methods makes use of the Lissajous figure.
烧杯的固有频率可以用直接测量法、共振法或水滴流调制法加以测定，各法中均利用利萨如图形。
The ultraviolet absorptions of coastal seawater of China and COD direct determination of seawater by ultraviolet spectrophotometryUltraviolet absorption is an important character of seawater.
中国近海海水的紫外吸收及用紫外法测定中国近海海水的COD 海水的紫外吸收是海水重要的性质，它一定程度上反映了海水溶解有机物的变化。
This paper focuses on direct determination of anions in environmental water samples by reversed-phase ion-pair chromatography and effects of Se on the growth of vegetable seedling under Cr stress.
本文主要研究了利用反相离子对色谱直接分离测定了环境水样品中含硫及含氮的阴离子和硒对铬胁迫下蔬菜幼苗生长的影响。
A simple, fast and accurate procedure is suggested for direct determination of lithium in gas-field water, both original and chemically treated, and in lithium-containing aqueous solutions as well.
实践表明，该方法简便、快速、准确，适用于其他含锂样品中锂的直接测定。
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。
The reaction of 2-hydroxy-5-sulfophenyl-diazoaminoazobenzene (HSDAA) with cadmium was studied to establish the direct photometric determination of cadmium in aluminum alloy.
研究了2-羟基-5-磺酸苯基重氮氨基偶氮苯（HSDAA）与镉的反应，建立了直接测定铝合金中镉的光度分析方法。
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。
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。
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。
Results show: after the adsorption of gold foam does not wash with water, the direct use of thiourea solution of the cult, the determination of gold a better result.
实验证明：吸附金后的泡沫塑料不用水冲洗，直接用硫脲溶液解脱，金的测定结果更好。
The direct significance of the subject of administration lies in the determination of defendants in administrative litigations, but the function is not limited within it.
行政主体直接的意义在于行政诉讼被告的确认，但作用并不限于此；
Determination of distribution channel strategy and design of distribution system often have a direct impact on the competitive force of an international company on a target market.
分销渠道战略的制定与分销系统的设计，常常直接影响跨国公司在目标市场的竞争力。
A relatively systematic review is carried out on the basic principles, reagents, methods and applications of indirect and direct spectrophotometric determination of sulphate.
本文就硫酸根的间接及直接光度测定的基本原理、试剂、方法和应用等作了较为系统的评述。
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 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。
The experimental results show that, compared to the commonly used NOE difference method, 1D GOESY provides a more direct and easy way for configuration determination.
实验结果亦表明1DGOESY实验选择性好，提供的信息更加直观、清晰，是化合物立体结构确定的好方法。
However only indirect approaches can be applied to the determination of oxygen demanded by tiny living individuals because in this case it is hard to make direct measurement.
然而对于一些微小生物个体无法直接测量，只有通过间接的方法求得。
Recent progress of analytical methods for the determination of trace bromine in coal samples, including direct and indirect methods, were summarized in this paper.
综述了近年来国内外煤中痕量溴测定方法的研究进展，介绍了间接分析法和直接分析法的基本特点和原理。
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。
Determination of titanium content in tin and titanium alloy was studied using the whole spectrum direct-reading high-resolution inductively coupled plasma atomic emission spectrometer(ICP-AES).
提出了电感耦合等离子体发射光谱仪（ICP-AES）测定锡钛合金中钛含量的分析方法。
Determination of titanium content in tin and titanium alloy was studied using the whole spectrum direct-reading high-resolution inductively coupled plasma atomic emission spectrometer(ICP-AES).
提出了电感耦合等离子体发射光谱仪（ICP-AES）测定锡钛合金中钛含量的分析方法。
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