ammonium相关论文
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Spatio-temporal variations determine plant-microbe competition for inorganic nitrogen in an alpine m
1.Plant-microbe competition for available nitrogen (N) has been suggested to be an important mechanism controlling N lim......
Growth characteristics of Microcystis aeruginosa in complex conditions of ammonium, nitrate and phos
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Regulation of ammonium-mediated inhibition of root system development via local and systemic pathway
The formation of root system architecture is greatly dependent on the environmental conditions such as nutrients.Ammoniu......
Evaluation of capping materials for reducing phosphorus and ammonium release from nutrient-rich sedi
Laboratory-scale batch column experiments using several 3L cylindrical reactors were conducted to evaluate the character......
Microbiology in an Ammonium-rich Aquifer-aquitard System in the Pearl River Delta, China: Lithology-
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Ammonium Impacts on Vibrations of Hydroxyl and Lattice of Phengite at High Temperature and High Pres
Dehydration in hydrous phases of the downgoing slab controls water release processes in sub- duction zones. Interplay be......
To elucidate the response of oxidative metabolism,triggered by elevated ammonium(NH4+)concentrations,on root growth of w......
Morphological and kinetic parameters of the absorption of nitrogen forms for selection of Eucalyptus
Eucalyptus clones are selected according to productivity,wood quality,rooting capacity,and resistance to drought,frost a......
Interactions of Cationic Surfactant Cetyl-trimethyl ammonium bromide with Ammonium nitrate:Surface a
The study of interactions between surfactant and salt in aqueous solutions has attracted significant interest in recent ......
Simultaneous removal of ammonium and phosphate from aqueous solution by calcium chloride-modified ze
In this study, the simultaneous adsorption characteristics of ammonium and phosphate from aqueous solution by calciu......
To search new sources of lectin, an experiment on lectin distribution in humoral serum of crab Charybdis feriatus (in sh......
Protection of Carassius auratus Gibelio against infection by Aeromonas hydrophila using specific imm
Specific immunoglobulin (IgY) from egg yolk against Aeromonas hydrophila was produced by immunization of White Leghorn h......
Control of Iodine Deficiency Disorders Following 10-Year Universal Salt Iodization in Hebei Province
Objective To evaluate the effectiveness of universal salt iodization(USI) for the control of IDD in Hebei province since......
氮是在植物生长和开发的必要 macronutrient。铵是为根举起的主要的无机的氮形式之一。在植物房间的铵的动态平衡在紧密的控制下面......
利用中试系统和静态试验,以富里酸为对象,研究天然有机物对石英砂滤料表面负载的铁锰复合氧化膜去除地表水中氨氮的影响。中试结果......
The characteristics of a staged bubble column can be described by a multi-stage backmixing model,provided: (1) Each sta......
A series of N-monoalkyl aromatic amines are synthesized in high yields from corresponding nitroarene derivatives,aldehyd......
The performance of sulfate-dependent anaerobic ammonium oxidation was studied.The results showed that both SO42-and NH4+......
关于电化学的简单试验,在本刊内已先后讨论过三次。第一次就曾说过电化学的范围很广,在本栏内决不能做详尽的介绍。但是经过三期......
Nitrogen use efficiency (NUE) was very low in China and a loss of as much as 70% of the applied nitrogen fertilizers was......
An Efficient Halogen-free Flame Retardant for Polyethylene:Piperazine-modified Ammonium Polyphosphat
In this study, piperazine-modified ammonium polyphosphates(PA-APPs) with hierarchical structure were synthesized through......
Reinforcement of natural rubber latex with silica modified by cerium oxide: preparation and properti
Variable masses of nano cerium oxide(CeO__2) were added into nano silica(SiO__2) to prepare the well-dispersed SiO_2-CeO......
The reaction of ethyl α-bromocinnamates with tetrabutyl ammonium fluoride(TBAF) was influenced largely by the position ......
TiO_2 nanoparticles as an effective catalyst for the synthesis of hexahydro-2-quinolinecarboxylic ac
The one-pot three-component reaction of arylmethylidenepyruvic acids,1,3-cyclohexandiones and ammonium acetate provides ......
A series of bis-quaternary ammonium compounds(bis-QACs) N,N’-hevamethylenebis(1-alkyl-4-carbamoyl pyridinium bromide)(4......
Controlled Synthesis of Polycrystalline Nickel Oxalate Nanof ibers by the Mild Thermal Precipitation
Via a mild thermal precipitation and aging process, polycrystalline hydrated nickel oxalate nanofibers were synthesized ......
The decomposition kinetic parameters of ammonium perchlorate(AP) having different grain size(10-390 μ m) were investiga......
Solid-liquid extraction of gadolinium was investigated from phosphoric acid medium using commercial amino phosphonic aci......
Preparation and Characterization of a Novel Hybrid Copolymer Hydrogel with Poly(ethylene glycol) Dim
This paper describes the fabrication,characterization and properties of a novel hybrid poly(ethylene glycol)(PEG) based ......
Development of sequential type iron salt-catalyzed Nazarov/Michael reaction in an ionic liquid solve
Sequential type one pot Nazarov/Michael reaction of pyrrole derivatives has been demonstrated using 5 mol% Fe(ClO4)3·Al......
Antibacterial polymers of dimethylaminoethyl methacrylate benzyl ammonium chloride(DMAEMA-BC) with various molecular wei......
A new phycocyanin(PC) fluorescent subunit namedβ_2(18kDa) was isolated and characterized by both SDS-PAGE and isoelectr......
Nitric humic acid was prepared by catalytic oxidation between nitric acid and Guizhou coal, with added catalysts. We inv......
PREAPARATION OF CATIONIC LATEXES OF POLY(STYRENE-CO-BUTYL ACRYLATE) AND THEIR PROPERTIES EVOLUTION I
Cationic latexes were prepared through emulsion copolymerization of styrene(St) and butyl acrylate(BA) with a cationic s......
Ion-exclusion/anion-exchange chromatography(IEC/AEC) on a combination of a strongly basic anion-exchange resin in the OH......
A novel kind of magnetically separable photocatalyst of cerrium-doped mesoporous titanium dioxide coated magnetite (Ce/M......
PPA-SiO_2 catalyzed efficient synthesis of polyhydroquinoline derivatives through Hantzsch multicomp
Silica gel-supported polyphosphoric acid(PPA-SiO_2) was found to be an efficient catalyst for the one-pot four-component......
以松香基季铵盐为结构导向剂制备均匀介孔氧化铝,采用XRD,N2-吸附脱附和TEM表征样品的结构性能。结果表明:经过650℃焙烧,所得样品......
Al-MCM-48 molecular sieves (Si/Al molar ratios = 25, 50, 75, and 100) were synthesized hydrothermally using cetyltrimeth......
A microwave-assisted sol-gel method was employed for the preparetion of nano-sized MgO particles using Mg(NO 3)2·6H2O a......
A fast method of liquid chromatography coupled to tandem mass spectrometry(LC-MS/MS) was developed for the analysis of e......
Effects of ammonium exchange and Si/Al ratio on the conversion of methanol to propylene over a novel
One type of ZSM-5 zeolite with large partical size was prepared and characterized by XRD, SEM, N2 adsorption-desorption,......
Simultaneous determination of 20 food additives by high performance liquid chromatography with photo
An efficient and accurate analytical method was developed for the simultaneous determination of 20 synthetic food additi......
A series of 1,4-dihydropyridines have been prepared by a one-pot condensation of aldehydes,ethyl acetoacetate,and ammoni......
This work describes the development of a capillary electrophoresis(CE)method for the simultaneous separation of acetophe......
武汉市洪山区南湖渔场在大面积湖泊施用氯化铵养鱼获得显著效果。最近武汉市科委组织专家对湖泊施用氯化铵养鱼技术研究课题进行......
An expedient one-pot synthesis of highly substituted imidazoles using supported ionic liquid-like ph
An effcient method for the synthesis of imidazole derivatives by a three-component condensation of benzil or 9,10-phenan......
