腐殖质
- 名humus;detritus
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[humus] 土壤中细小的无生命有机物,由动植物遗体被微生物分解而成
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蚯蚓吃下大量土壤,排出肥力丰富、物理结构理想的腐殖质。
Earthworms consume large amounts of soil , and produce a rich humus , perfect in texture .
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AIM以多酚类、腐殖质结合的碳水化合物为主要组成物质。
AIM fraction was dominated by high branched ( n value ) polyphenols and humus bound carbohydrates .
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Cu更易与大分子腐殖质组分结合,而且结合较紧密;
Cu combined more easily and closely with large molecular humic substance component ;
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Zn更易与小分子腐殖质组分结合,但结合不紧密。
While Zn combined easily but weakly with small molecular humic substance component .
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在UVC的照射下,水体腐殖质对光降解具有抑制作用;
The results also showed that the concentrations of two microcystin variants decreased significantly by UV C irradiation ;
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猪粪堆肥过程中腐殖质的生成及其对Cu的吸附作用研究
The Formation of Humic Substances during Pig Manure Composting and the Adsorption of Copper on Humic Substances
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结果表明,pH值是影响水中腐殖质去除效果的一个关键因素,当水中腐殖质浓度为10.0mgL,铝盐作混凝剂时,去除腐殖质的最佳pH值在6.2&6.6范围内;
The results show that coagulation pH appeared to be a crucial factor for removal of humic substances from water .
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盐度、溶解氧和pH对类蛋白和类腐殖质荧光的影响很小;
Some inorganic factors , such as salinity , dissolved oxygen and pH , have little effects on protein-like and humic-like fluorescence .
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土壤DOM中的AIM不是来源于凋落物淋滤液,而是主要来源于土壤腐殖质、根系分泌物等其它物质。
AIM in the DOM of soil originated from microbial decay of humus or root exudates and so on .
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Fenton试剂对垃圾渗滤液中腐殖质的氧化/混凝作用
Oxidation and coagulation of humic substances from landfill leachate by Fenton 's reagent
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G1/G2及H1/H2之比值也分别呈渐减和渐增趋势。地带性土壤中复合体的表面性质、腐殖质组成及养分在各组复合体中的分布也呈现有规律的变化。
The regular variation of surfaee properties , humus composition and nutrient accumulation in both G_1 and G_2 organo-mineral complexes is also observed in zonal soils .
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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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本文不但揭示了p阻滞剂阿替洛尔在模拟天然水体中光降解规律,而且发现了腐殖质与其它天然水体成分如硝酸根、铁离子和单壁碳纳米管具有相互的影响。
The paper found the photodegradation law of atenolol in simulated natural water and also discover the interaction between humic substances and other natural water components such as nitrate , iron ions and SWNT .
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火烧后一年的土壤,除速效N占全N的比在腐殖质层及潜育层内仍高于未烧湿地外,其他速效养分含量占全量比值普遍低于未烧地。
One year after burning in the Ecological Experimental area , the ratio of No / TN in A and G soil layers was still higher than that in unburned site ;
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SOM的主体是腐殖质,腐殖质包括腐殖物质(HS)和非腐殖物质。
SOM the main humus , humus , including humic substances ( HS ) and non-humic substances .
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对于腐殖质对重金属元素的络合,堆肥后大分子物质结合更多的Mn,但小分子物质更易与Zn结合;
For the combination of humus to heavy metals , through composting the giant molecule substance combined more Mn , the little molecule substance easily combined Zn ;
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终场覆盖层灌溉对循环回灌出水中的高分子量腐殖质类(HS)有机物去除效果较佳,去除率为85.7%;
For recirculated leachate , 85.7 % of humic substance was removed efficiently by irrigation on landfill final cover .
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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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以年内烟&稻复种连作为主的湘南烟区,土壤pH偏高,有机质含量高,但有机质中腐殖质的比例较低;
In the South of Hunan with cigarette-rice multiple cropping , the pH is medium and high , the organic matter is high , but the humus content is low in the organic matter ;
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非交换性酸主要来源于有机质(腐殖质酸性功能团缔合H和络合Al的解离)。
However , the relative proportion of exchangeable H + shows a reverse trend Non exchangeable acid comes mainly from OM ( through disassociation of H and Al from humic acidic functional groups ) .
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所以,静电场作用下的腐殖质和PAM提高团聚体稳定性的详细机理还有待于深入的探讨。
Consequently , it needs to explore in depth the detailed mechanism of promoting aggregates stability by humus and PAM in the electrostatic field .
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腐殖质为窖泥中的微生物提供C源、N源,其含量又影响微生物活动,微生物、腐殖质等构成窖泥培养及生产发酵的关系链。
Humus provides carbon sources , nitrogen sources and energy to microbes , which affecting the activity of microbes . All microbes , humus and some other components form a circulative chain in cultivation and fermentation of cellar mud .
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本文论述了TiO2光催化处理饮用水中的微量卤代物、腐殖质、微生物代谢产物,以及杀灭细菌、真菌和病毒等微生物的研究进展。
In this paper , photocatalysis of low concentration organic halogenated compounds , humus and some microbial metabolites in drinking water , photocatalysis deactivated bacteria , fungi were introduced .
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本文在腐殖质组成研究基础上,提出了HM组成概念和研究方法,并比较了不同类型土壤腐殖质组成、HM组成及光学性质。
This paper presented the conception and studying methods of HM , and compared the composition and optical property of Humus and HM in different soils .
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因此体系只有在更大浓度的电解质下才能凝聚,其平均凝聚速率也随之降低。(4)腐殖质和PAM分别为颗粒状和线性分子有机质。
At the meantime , the average aggregate rates had decreased . ( 4 ) Humus and PAM were granular and linear molecule organic matters respectively .
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利用室内和室外模拟实验研究了光强、温度、溶解氧、pH值和腐殖质等因素对α-萘酚光降解的影响。
The effects of light intensity , temperature , dissolved oxygen , pH value and humic acid on the degradation of α - naphthol were investigated , respectively , by means of indoor and outdoor simulation experiments .
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结果表明,堆肥过程中形成的腐殖质与Fe2+的络合能力呈现一种动态变化。腐殖质与Fe2+的络合稳定常数受到腐殖质腐殖化程度,所处环境的离子强度、pH值的影响。
The results showed that the value of complexation stability constant changed with the composting process and it was affected by the factors such as humification degree of humus , pH and ion strength in the environment .
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研究了南海北部近岸石油开发区海水的腐殖质(HS)和乙醇可溶物(ES)等有机物的分布行为及其与环境的关系。
The distribution characters of humic substances ( HS ) and ethanol dissoluble substances ( ES ) in the offshore oil exploration waters have been studied .
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相对腐殖质而言,PAM可明显提高稳定性较差的Na+体系团聚体的稳定性,使其破坏强度降低90%以上。
Comparing with humus , PAM could evidently increase stability of Na + - aggregate ( which was weak stability ), the breaking strength decreased by90 % .
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土壤速效氮磷钾对腐殖质各组份都有影响,但对HA/FA比值影响最大的是碳酸钙和pH。
The available N , P and K contents in soil affect the compositions of humus , and the calcium carbonate and pH of soil are the most important factors in affecting the ratio of HA and FA .