The paper introduced the course mechanism, effecting factor, methods of determination, and the effected technique of reducing loss from ammonia volatilization in paddy soil.
就稻田氨挥发产生过程和机理、影响因素、测定方法以及减少稻田氨挥发的有效技术作一综合回顾;
A new chemiluminescence method for the determination of rutin by sodium hypochlorite rutin semicarbazide hydrochloride system with flow injection technique has been investigated.
提出以次氯酸钠-芦丁-盐酸氨基脲化学发光新体系,结合流动注射技术建立了测定芦丁的化学发光新方法。
A simple and rapid method is proposed for the determination of bismuth in geological materials which combines slurry technique with hydride generation atomic fluorescence spectrometry.
本文提出了一种把悬浮液技术与氢化物发生法相结合原子荧光光谱法测定化探样品中痕量铋的分析方法。
The results provide theoretical basis for seabuckthorn energy forest cultivation technique, determination of rotation cutting period and fruit of different ages processing and utilization.
试验结果为沙棘能源林栽培技术和轮伐期的确定、为不同林龄果实加工利用的优劣状况提供了理论依据。
An optimum distribution condition of radio sources for the determination of Earth rotation parameters by means of VLBI technique was proposed and explained in detail.
本文提出了应用射电干涉测量的方法测七地球自转的三个参数时,源矢量的最佳分布条件。
On the basis of replication, the improving method of tabletting technique for experiment sample in determination of heat outpot is described in this paper, to raise rate of success in the experiment.
该文在反复实验的基础上,对物化燃烧热测定实验样品压片工艺的改进方法进行了介绍,大大提高了该实验的成功率。
A method for rapid determination of volatile phenol in refinery wastewater has been developed based on the combination of 4 amino antipyrine coloring principle with flow injection technique.
基于4-氨基安替比林显色原理,采用流动注射技术,建立了炼油废水中挥发酚的快速测定方法。
The treatment technique of Matigou Mine well water, selection of Coaqulant agent, determination of quantity, selection of equipment and analysis of expense are introduced.
介绍了马蹄沟矿矿井水的处理工艺、混凝剂的选择、投加量的确定、设备选型和费用分析等问题。
As a novel method of protein determination in analytic chemistry, this technique may be used in protein immobilization and imprinting, functional proteomics, etc.
作为分析化学中蛋白质含量测定的一种新的方法,该技术可用于蛋白质的固定与印迹,以及功能蛋白质组学等领域。
The application of microwave technique to the analytical areas of sample dissolution, moisture determination, atomic emission spectroscopy and chromatography was reviewed in detail.
本文对微波技术在样品溶液制备、水份测定、发射光谱分析、色谱分析等分析化学领域中的应用作了详细评述。
Based on this phenomenon, a new method for the determination of proteins by the resonance Rayleigh light-scattering technique (RRLS) using ponceau 2r as probe agent has been developed.
据此建立了利用丽春红2r作探针,用共振散射光谱技术测定蛋白质的新方法。
This system was applied in flow injection-catalytic spectrophotometric determination of trace phenols using stopped-flow technique and the experiment concludes that the relative is 0.9992.
将该系统应用于停流-催化光度法以测定痕量酚,实验结果表明,其线性相关系数为0.9992。
The technique combining the flow injection system of on-line ion-exchange with hydride generation-atomic fluorescence spectrometry was proposed for the determination of the trace Arsenic in steel.
提出了流动注射离子交换在线分离-氢化物发生原子荧光光谱法测定钢铁样品中痕量砷的分析方法。
MEKC method based on on-line sweeping technique was developed for the determination of trace phenol, o-nitrophenol and p-nitrophenol in industrial waste water.
利用胶束毛细管电泳在线推扫富集技术建立了测定工业废水中痕量苯酚、邻硝基苯酚和间硝基苯酚的方法。
Objective: to develop a new method for determination of iron in milk powder by standard addition method-flame atomic absorption spectrometry with AGAR suspension sampling technique.
目的:建立用琼脂悬浮液进样,标准加入火焰原子吸收法测定奶粉中铁的方法。
The paper introduces the determination of the optimum weir space, the thickness and application limits of the technique and matters needing attention during application.
介绍了垄向区田技术中最佳垱距、土垱厚度、应用范围的确定及其应用中应注意的问题。
According to the study of determination of molybdenum in compound micro-fertilizer by means of mix indicator technique, it was found that change of terminal colour of titration is clear.
研究了混合指示剂法对复合微肥中钼的测定,测定终点颜色变化明显。
Methods Ultrasonic technique applied in polysaccharide of the traditional chinese medicine compound immunoenhancer were obtained, content determination with colorimetry.
方法采用超声技术提取该增强剂中的多糖,用苯酚一浓硫酸比色法测定增强剂中多糖的含量。
Objective: to set up a method for the determination of phosphorous in food samples by ammonium molybdate spectrophotometry after pretreated with the microwave digestion technique.
目的:建立了用微波消解技术进行样品前处理,磷钼蓝分光光度法测定食品中磷含量的方法。
D temperature field determination of pulverized boiler based on radiative propagation and projection reconstruction model provides a new technique for power plant combustion diagnosis.
基于辐射传递模型和投影重建技术的图像法温度场测量为研究电站锅炉燃烧工况的变化,进行燃烧诊断提供了新的手段。
Both flame atomic absorption spectrometric methods for rapid determination of zinc in polymerized rosin with suspension technique and emulsification technique have been established.
用乙二醇配制样品空白溶液,建立了悬浮液技术及乳化技术处理样品,快速测定聚合松香中锌的火焰原子吸收光谱(FAAS)法。
Based on many years continual determination of temperature for the populations of wheat varieties by means of infrared technique, the temperature type phenomenon of wheat is discovered.
通过多年来用红外技术对不同品种小麦群体温度进行连续观测,结果发现,小麦具有温型现象。
The reaction conditions were optimized and a new chemiluminescence method for the determination of neomycin with flow injection technique based on the post-chemiluminescence reaction was developed.
优化了反应条什,建立了一种利用后化学发光反应测定新霉素的流动注射化学发光方法。
A new method for the determination of trace chromium in copper and copper alloy by enhancing effect-flame atomic absorption spectrometry with derivative technique is pro - posed.
提出了增感效应导数火焰原子吸收光谱测定金属铜和铜合金中微量铬的新方法。
A method has been developed for the determination of lignin distribution in wheat straw cell walls by scanning electron microscopy coupled with energy dispersive X-ray analysis (SEM-EDXA) technique.
建立了一种用带有能谱仪的扫描电子显微镜(SEM -EDXA)测定麦草细胞壁木素分布的方法。讨论了溴化、切片厚度和样品座对定量测定的影响。
Experimental data showed that such a technique could reduce the adverse effect caused by the random fluctuating of base count, and therefore improve the procession of potassium determination.
用该方法在实验室试验结果表明,可较好地克服本底计数波动的干扰。提高测钾精度。
This paper proposes an accurate orbit determination technique to accurately determine orbit elements of a spacecraft equipped with a GPS receiver according to navigation messages from the receiver.
利用GPS接收机的导航信息精确确定接收机载体航天器的轨道根数。
This paper proposes an accurate orbit determination technique to accurately determine orbit elements of a spacecraft equipped with a GPS receiver according to navigation messages from the receiver.
利用GPS接收机的导航信息精确确定接收机载体航天器的轨道根数。
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