富里酸
- fulvic acid
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结果表明,Fenton氧化处理后,土壤有机质含量和组成均发生了改变,总有机质含量下降,其中腐植酸含量降低最多,胡敏素的含量基本保持不变,而富里酸含量有升高的趋势。
The results showed that contents of total SOM and humic acid in soil decreased after Fenton oxidation , while humin content in soil did not change significantly , and the content of fulvic acid had a tendency to increase .
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有机肥配施NPK、磷钾及氮磷钾化肥和撂荒土壤:胡敏酸碳/腐殖酸碳比值上升,富里酸碳/腐殖酸碳比值下降;
For treatments of combing organic fertilizer with NPK and PK , NPK and abandoned land , the rate of humic acid carbon to humus acid carbon increased and opposite to rate of fulvic acid carbon to humus acid carbon .
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土壤游离铁、活性铁、富里酸增加,土壤xm值明显增大。
The x_m of soils evidently increased with increasing free ferric , active ferric and fulvic .
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腐植酸钠和富里酸钠对PR有机溶胶保护作用的研究
The Study of Protection of PR Sol by Sodium Humate
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从腐殖质组成来看,胡敏酸和富里酸比值(HA/FA)随堆肥腐熟而呈增加趋势,说明高温堆肥有利于胡敏酸形成,腐殖质质量在提高。
Increase of HA / FA indicated that high-temperature compost helps to produce Humo acid , and therefore improve humus quality .
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土壤腐殖质组成:HA/FA大多小于1.0,即一般以富里酸(FA)为主。
HA / FA showed the composition of soil humus which was mostly below 1.0 , this meant humus was mainly composed of FA .
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采用间歇法研究了汞在腐殖酸两组分(富里酸FA、胡敏酸HA)上的吸附解吸量和动力学特征以及介质pH的影响。
The amount and kinetics characteristics of mercury adsorption and desorption on two species of humic acids ( FA and HA ) and the effect of pH were studied by batch technique .
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用CBMN法评价4-氯酚与富里酸对CHO细胞的毒性效应
The Assessment of the Cytotoxicity Effects of 4 CP and FA on the CHO Cell by Cytokinesis Block Micronucleus Assay
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出生前后富里酸暴露对NMRI小鼠胶原羟赖氨酸糖基化的影响
Effect of Postnatal and Prenatal Fulvic Acid Exposure on Collagen Hydroxylysyl Glycosylation in NMRI Mice
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长期施用有机肥或配施化肥,可促进土壤胡敏酸、富里酸和胡敏素积累,提高HA/FA比值。
Long term application of organic manure or combination with chemical fertilizer could increase the contents of humic acid ( HA ), fulvic acid ( FA ), humin and raise the ratio of HA / FA .
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通过静态模拟试验研究了在软水体系中富里酸对铜管/磷酸盐缓蚀行为的影响,结果表明,富里酸含量、软水pH值、停留时间影响磷酸盐对铜管的缓蚀作用;
The effects of fulvic acid on copper / orthophosphate corrosion inhibition behavior in soft water system were studied . The doses of fulvic acid , pH values of soft water and stagnation times affected the function of phosphate corrosion inhibition for copper pipe .
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通过室内培养实验,应用δ13C方法研究了玉米秸秆分解期间,土壤中胡敏酸(HA)和富里酸(FA)数量的动态变化。
In an incubation experiment , dynamic change in amounts of soil organic matter ( SOM ), HA and FA were studied during corn stalk ( CS ) decomposition in dark-brown soil by δ 13C method .
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结果表明:堆肥中有机质、挥发性固体、腐殖质、游离腐植酸以及富里酸(FA)呈下降趋势;
The results indicated that organic matter , volatile solid , humus ( HM ), free humic acid and fulvic acid [ w ( FA ) ] decreased constantly , but humic acid increased during the composting .
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目的探讨富里酸对NMRI小鼠皮肤、肋骨及骨胶原合成及胶原分子中羟赖氨酸糖基化程度的影响。
Objective To understand the impact of fulvic acid ( FA ) on the hydroxylysyl glycosylation in collagen bio-synthesis .
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测定了中国中东部地区17种土类45个样点近表层10cm土样中水溶性有机物的紫外光谱和分子量分布特征,同时测定部分样品富里酸的相应特征。
Summary UV VIS spectroscopy and molecular size distribution of water soluble organic carbon ( WSOC ) of 45 soil samples collected from the eastern part of China were determined .
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采用元素分析,1H&NMR和FTIR研究了3种水稻土中水溶性有机质(DOM)的组成及结构特征,并与富里酸(FA)、胡敏酸(HA)进行了比较。
Dissolved organic matter ( DOM ) from three paddy soils was studied by elemental composition , FTIR and 1H & NMR analysis , in comparison with fulvic ( FA ) and humic acids ( HA ) . There is a large discrepancy between DOM , FA and HA .
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结果表明,供试八种有机物均能显著促进镉从紫色土中的溶出。作用大小顺序为:EDTA≥DTPA>柠檬酸>胡敏酸>草酸>富里酸>酒石酸≥水杨酸。
Results showed that all the organic substances tested significantly promoted the solubility of cadmium from the purplish soil , with a magnitude sequence of EDTA ≥ DTPA > citric acid > humic acid > oxalic acid > fulvic acid > tartaric acid ≥ salicylic acid .
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研究了天然有机物胡敏酸和富里酸,螯合剂EDTA和DTPA和四种简单有机酸对紫色土镉的溶出效应和吸附解吸行为的影响。
Summary The effects of several organic substances , including natural humic acid and fulvic acid , artificial chelating agents EDTA and DTPA , and four simple organic acids on the solubility and adsorption desorption behaviors of purplish soil for cadmium were studied .
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通过室内氧气培养试验,研究了玉米秸秆在分解期间(1~180d)新形成有机碳、胡敏酸(HA)、富里酸(FA)数量的动态变化规律及不同氧气浓度对其形成与转化的影响。
By means of an indoor oxygen incubating experiment , we determined the dynamic changes in the amounts of net organic carbon , humic acid ( HA ) and fulvic acid ( FA ), and also estimated the effects of different oxygen concentrations on formation and transformation of humic substances .
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结果表明:相同pH下,Fe2O3、MnO2或Al2O3固体吸附剂对腐殖酸的吸附量随着腐殖酸(胡敏酸HA和富里酸FA)有机碳浓度的增加而增加;
The mechanism of humic acid ( HA ) and fulvic acid ( FA ) adsorption by Fe_2O_3 , MnO_2 or Al_2O_3 solid sorbent in solution different in pH were studied . The results show that the adsorption increased with the organic carbon concentrations of HA and FA .
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投加富里酸后过滤周期缩短,而且随着富里酸投加量的增加,周期越来越短。
After adding FA , the filter period became short .
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影响铅同富里酸络合容量测定的因素
Factors influencing the measurement of fulvic complexing capacity with lead
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富里酸-氢醌体系光电化学电池的研究与应用
Study on photoelectrochemical cell of fulvic acid and hydroquinone system and Application
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玉米秸秆堆腐过程中形成富里酸的结构分析
Structure Analysis of the Fulvic Acids Extracted from Composted Corn Stalk Residue
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相同来源的富里酸与腐殖酸具有相似的屏蔽作用和淬灭作用。
The same origined DOMs have the similar screening and quenching effects .
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土壤富里酸对铅的吸附作用与影响因素的研究
Influencing Factors and Lead Adsorption by Soil Fulvic Acid
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富里酸对小麦植株积累稀土元素的影响
Effects of fulvic acid on the bioaccumulation of rare earth elements in wheat seedling
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氯酚与富里酸的缔合作用
The association between chlorophenols and the fulvic acid
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施用玉米植株残体对土壤富里酸组成、结构及其变化的影响
Effects of corn plant residues on composition and structure of fulvic acids in soils
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灼烧土中玉米秸秆分解期间胡敏酸、富里酸动态变化的研究
Dynamic Changes of Humic Acid and Fulvic Acid in Ignited Soil During Corn Stalk Decomposition