sequential extraction是什么意思

网络释义

用法例句

In this experiment, phosphorus fixation and release characteristics were studied with added different concentrations of P (water∶soil is 1∶20) and sequential extraction.

通过向水稻土中加入不同量的磷(水土比为20∶1)进行培养,并利用连续提取法,对水稻土磷的固定和释放特性进行了研究。

The speciations of heavy metals(Cu,Pb,Zn,Cd and Cr )in sediments from Lake Taihu are analyzed using a sequential extraction proce dure.

用连续提取法分析了太湖沉积物5种重金属的地球化学形态,对地球化学形态的组成和地理特征进行了分析研究。

The better extracting method and kinetic model for describing the release and rate of soil non exchangeable K were discussed with Elovich, Second order kinetic models by 0 50 mol· L -1 HNO 3, 0 01 mol·L -1 oxalic acid and H resin successive extraction under constant temperature and pot exhaustion of ryegrass.

采用Ca2 + 饱和土壤的 0 50mol·L- 1硝酸、0 0 1mol·L- 1草酸和氢质阳离子交换树脂恒温连续提取法 ,利用Elovich和二级动力学模型 ,结合生物吸钾试验 ,研究探讨了描述土壤非交换性钾释放及其速率较为理想的连续提取法及其动力学模型。

The difference of soil K release rate under the condition of various successive extraction and the relation between K release rate and K availability were studied by use of Elovich model combining with the test of 1 mol·L -1 HNO 3(85 ℃), 2 mol·L -1 HNO 3(20 ℃) and H resin successive extraction(20 ℃) at constant temperature and pot exhausion of ryegrass.

以 1mol· L-1HNO3 (85℃ )、2 mol· L-1HNO3 (2 0℃ )和氢质阳离子交换树脂恒温连续提取法 (2 0℃ ) ,利用 Elovich模型 ,结合生物吸 K试验 ,研究了不同连续提取条件下土壤 K素释放速率的差异及其与K素有效性的关系 。

[Method] The concentration and the chemical speciation of Cu in urban soils of Urumqi were studied by using Tessier sequential extraction procedures.

[方法]采取Tessier连续提取法,对乌鲁木齐市6种不同功能区表层土壤中Cu的含量及其化学形态分布进行了研究。

[Method]Total contents and five chemical fractions of copper,lead and zinc in two representational cropland deep soils collected from Mount Lotus mine area in eastern Guangdong were analyzed using Tessier sequential extraction procedure.

[方法]选取广东某金属硫化物矿区外围2个代表性的农田深层土壤样品,运用Tessier连续提取法分析其铜、铅和锌的总量和5种化学形态。

Two wheat protein fractionation methods, the sequence-progression fractionation method and rapid fractionation method were practiced with 21 wheat flour samples for a comparison.

采用蛋白质连续累进提取法与组分快速提取法测定了21个小麦面粉样品的蛋白质组分,以比较两种蛋白质组分分析方法的特点。

Speciation Characteristics of Different Combined Nitrogen in the Spring Sediments of Chaohu Lake by Sequential Extraction Methods

连续分级提取法研究春季巢湖沉积物中不同结合态氮的赋存特征

Research on Series Extraction Technique of Valuable Elements from Orange Peels;

柑橘皮连续提取有效成分的工艺研究

extraction fractionation

提取分级（分离），萃取分级

Solvent continuous circulating extraction of solanesol from tobacco leaves

溶剂连续循环萃取法提取烟叶中茄尼醇

Study on Countercurrent Extraction and Extraction Kinetics of Pectin from Orange Peel;

连续逆流法提取橙皮果胶及其动力学的研究

Trimethylbenzene was refined from cracking C_9 arenes by continuous distillation

连续精馏法从裂解C_9芳烃中提取三甲苯

New approach of features extraction for rotor faults from continuous wavelet transform scalogram

转子故障的连续小波尺度谱特征提取新方法

Research on Equipment of Continuous Chromatography Intergrated Separation and Reaction for Chitosan-oligosaccharide;

连续反应分离提取壳低聚糖的集成装备研究

Mocrowave extraction technology for active ingredients of natural drugs

天然药物有效成分的微波连续提取技术

Determination of Major Components of Coastal Sediment with a Sequential Extraction Method

近海沉积物主要成分的连续提取与测定

A continuous reveree-phfise chrornatographic separation procedure for Zr and Hf was offered.

提出了连续反相色层分离锆、铪新方法。

The Research of Kernel-obtained Method of Overlapped Granular Segmentation

粘连颗粒分割的中心核提取方法研究

Study on Mechanism and Process of Semicontinuous Extraction and Separation on Effectual Components from Plants by Inner Ebullition;

半连续内部沸腾提取与分离植物有效成分及其机理的研究

Speciation Analysis of Selenium in Enriched Yeast by Sequential Chemical Extractions and Hydride Generation-Atomic Fluorescence Spectrometry

富硒酵母中硒的连续浸提原子荧光法形态分析

Studies on heat balance analysis and energy saving technology of continuous cooking and pre-extraction of black liquor

连续蒸煮与黑液预提取热量平衡分析与节能技术探讨

Fast algorithm for target feature extraction based on connected component analysis

基于快速连通域分析的目标特征提取算法

Pursuing for Ideal Continuous Countercurrent Flow Obstruction Rod Extractor

追求理想的连续逆流折流管式提取机

The number of runs is a statistic with its own special sampling distribution and its own test.

连续级数是一个具有独特抽样分布和检验方法的统计量。