speciation

Effect of fulvic acid and pH on the speciation of Eu ( III) on γ-Al_2O_3: A time resolved laser fluorescence spectroscopy study

荧光时间衰减光谱法研究富啡酸和pH对Eu（Ⅲ）在氧化铝表面的化学形态影响

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The proposed method was used to determine the contents of arsenic speciation in hairtail and other seafood and aquatic products of several provinces and citys, the results showed that this method was satisfactory.

采用本文所建立的分析方法，对带鱼等水产品及全国十几个省市的水产类膳食中砷形态化合物进行分析测定，实验结果令人满意。

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The ability of nuclear analytical techniques in study of chemical speciation and its effects of pollutant should be made of use;

开拓核分析技术在环境污染化学种态及其效应研究中的能力；

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Eventually, such solutions to the need for dividing a scarce resource may lead to speciation.

最终, 这种对珍贵资源的划分方式可能导致物种形成.

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Progress in Research on Heavy Metal Speciation and Bioavailability in Sediment

沉积物中重金属的形态及生物有效性研究进展

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This article introduce some approaches that can learn speciation distribution of IPF of Fe, and some research of this field.

本文着重介绍了铁系絮凝剂中铁的形态分布的分析方法的发展。

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The article summarizes the analysis techniques of the Fe(ⅲ) hydrolysis speciation, mainly including potentiometric titrimetric analysis, ferron assay, infrared spectroscopy, laser light scattering, streaming current.

本文主要介绍了电位滴定、Ferron逐时络合比色、红外光谱、激光光散射、流动电流等铁盐水解形态的分析方法。

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In this paper, we investigate the biological availability of Selenium by the speciation analysis of Selenium in Se-enriched yeast in different mediums.

通过对富硒酵母在各种不同介质中可溶性硒的形态分析，考察其生物有效性。

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Speciation can result from geographical separation or ecological specialization.

从形态可能导致分居或生态地理专业.

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Thermodynamic equilibrium simulation of trace elements speciation in coal combustion

燃煤过程中微量元素形态转化的热力学模拟

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Speciation distribution and its chemical, biological availability of arsenic, lead added in acid, neutral and alkali purple soil

外源砷、铅在三类紫色土中形态分配与其化学、生物有效性研究

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A method for speciation analysis of chromium by ion exchange with DPC spectrophotometric determination was developed.

提出以离子交换为主的铬形态分离流程.

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The results show that the most speciation is residua and the least speciation is ion exchange.

研究发现,各重金属的形态以残渣态为主,离子交换态含量很少.

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The concentration and chemical speciation of Pb in Nanjing urban soils

南京城市土壤Pb的含量及其化学形态

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Speciation analysis on heavy metal in pollution soil is the key to soil remediation.

污染土壤中重金属形态分析是土壤修复的关键.

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Study on Speciation and Removal of Phosphorus in Tail Water from Municipal Wastewater Treatment Plant

城市污水处理厂尾水中磷的形态分析及除磷研究

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Heavy metals speciation and its biological availability in sediment patterns of Changsha-Zhuzhou-Xiangtan section of the Xiangjiang River

湘江长株潭段底泥重金属存在形态及生物有效性

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Speciation of the REE in soils of different elements landscape is various.

稀土元素在各单元景观土壤中的赋存形态特征也不同。

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Inorganic iodine speciation in tropical Atlantic aerosol.

热带大西洋气溶胶里无机碘物种形成.

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Study on the Determination and Speciation Analysis of Trace Elements in Chinese Traditional Medicine

中药中微量元素的含量测定及形态分析

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Whether speciation is achieved normally via genetic drift or natural selection is the subject of much ongoing discussion.

究竟正常的物种形成是通过遗传漂变还是通过自然选择达到的，是现在正在进行热烈讨论的话题。

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In some fungi, there is evidence of incipient speciation.

在某些真菌中, 有新发生的物种形成的证据.

词典精选例句

Modelling the effects of temperature, equilibrium constants and complexing ligands on the aluminum speciation in surface waters

温度，平衡常数和络合配体对地表水中铝形态分布影响的微机模拟

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Study on Hg~ ( 2+) Distribution and Speciation in Different Tissues of Rats

Hg~（2+）在大鼠组织器官中的分布及其存在形态研究

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It is suggested that the chromosomal structure varia-tion plays the most important role in speciation.

染色体结构变异在茶叶植物的物种形成方面起着重要作用。

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The test method used here for mercury speciation was the Ontario Hydro Method.

另外,较高的烟气排放温度会提高单质汞向氧化态汞转化的转化率,Hg浓度升高汞转化率下降.

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Variation Patterns of rRNA Genes in Pinus ( Pinaceae) and Their Evolutionary Implications for Genome Structure, Gene Evolution, and Speciation Inferences

松属植物rRNA基因的变异模式及其进化生物学意义

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All the content of soluble speciation of arsenic in water is very low, the content of arsenic in free subsiding water is much higher. So the arsenic in free subsiding water is actually this in suspended solid matter.

水体中溶解态砷含量均较低，自然沉降水样中砷含量较高，故自然沉降水中砷实际上是水中悬浮性固体所含的砷，而黄河水中泥沙含量与砷含量呈紧密正相关。

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The method could be applied for speciation analysis of PASFIs in crude oils from different source.

该方法可用于不同来源的原油中芳香硫化合物的形态分布研究.

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To study mercury speciation in lixivium of the two Chinese traditional medicines, X-ray diffraction and single scan polarography were utilized.

为了探明浸出液中汞的存在形态，分别应用x射线衍射法和单扫描极谱法对浸出液中的汞进行形态分析。

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