valent相关论文
Selective suppression of rod signal transmission by cobalt ions was reported in carp retina. Using 10 μmol/L Co2+ , ro......
<正> According to what has been reported in the literature and our work, by using the method of two phase titration we h......
<正> Since the publication of the empirical electron theory by the author in 1978, five groups of scientific workers hav......
<正> We made the combining model of IgM and the polyvalent antigens in 1978 when calculated...
<正> Let S denote the class of all univalent and analytical functions f(Z) in the unit disk |Z|<1, with the expansion......
STUDIES ON ALKALI METAL PROMOTED IRON CATALYST FOR AMMONIA SYNTHESIS Ⅷ——STRUCTURE OF THE CATALYST BY
<正> Under moderate conditions, the catalytic activity of the alkali metal promoted iron catalyst for ammonia synthesis,......
A New Synthetic Route to Di-η~5-Cyclopentadienyl Ytterbium(Ⅱ)Tetrafuranate (η~5-C_5H_5)_2Yb(THF)_2 a
In recent years,the organometallic ehemistry of the lanthanide metals in low oxidation states has beenactively investiga......
Polydentate-ligand-supported self-assembly of heterometallic T-shaped Co_4 Dy cluster showing slow m
A novel mixed-valent heterometallic pentanuclear CoⅢ3 CoⅡ Dy Ⅲ cluster has been rationally assembled taking advantage......
Valent杀菌剂Adorn(有效成分:氟吡菌胺)获美国EPA登记通过,已在纽约上市,用于防控温室及保护地栽培观赏植物上霜霉病、疫霉病、腐......
The effect of metal ions with different valences on the retardation of soil–bentonite barrier materi
In this paper,with K+,Ca2+and Fe3+as the objects of study,retardation of soil–bentonite(SB)barrier materials for metal ......
Polydentate-ligand-supported self-assembly of heterometallic T-shaped Co_4Dy cluster showing slow ma
A novel mixed-valent heterometallic pentanuclear CoIII3CoIIDyIII cluster has been rationally assembled taking advantage ......
Density functional theory(DFT)was utilized to simulate the reactions occurred in the mixture solution of cysteine and Hg......
Urea-bridged diferrocene derivatives N,N?-diferrocenylurea(1) and N,N?-dimethyl-N,N?-diferrocenylurea(2) were prepared a......
The nature of active sites in Pt–ReO_X/TiO_2 catalysts for selective hydrogenation of carboxylic aci
The highly dispersed Pt–Re OX(x ≤ 1) sites ca. 0.5 nm in size were formed via a successive and strong interaction of t......
Pseudo-first order reaction rate constants of 5,10,15-tris(pentafluorophenyl)corrole Mn(V)-oxo (F_(15)CMn(V)-oxo),5,15-b......
Reaction of the ligand dmpt(dmpt=6,7-dimethylbenzo[f][1,10]phenanthroline)with CuCl_2 afforded mixed valent Cu(Ⅰ)/Cu(Ⅱ......
First-principles investigation of chemical modification on two-dimensional iron-phthalocyanine sheet
Successful synthesis of single iron–phthalocyanie(FePc) framework layer on substrate and its transferrable properties o......
Debromination of decabromodiphenyl ether by organo-montmorillonitesupported nanoscale zero-valent ir
An organo-montmorillonite-supported nanoscale zero-valent iron material(M-NZVI) was synthesized to degrade decabromodiph......
加拿大有害生物管理局近日建议正式批准登记住友化学分公司Valent生物科学的生物杀虫剂原药苏云金芽孢杆菌aizawai亚种菌株ABTS-18......
Comparison of 1,2,3-Trichloropropane reduction and oxidation by nanoscale zero-valent iron, zinc and
Trichloropropane(TCP) is a chlorinated solvent which derives from chemical manufacturing as a precursor, and it is also ......
Clinotyrolite is a mineral discovered by Ma et al. in 1980. It is a hydrous copperarsenate and similar to tyrolite in b......
Correlation of the Mechanical Properties of Polycrystalline Ni_3Al Alloys with Their Electronic Stru
The electronic structure of Ni_3Al alloys with different B contents has been investigated by measuringthe positron life......
In U/Pu partition step of APOR process (1B tank), where monomethylhydrazine (MMH)- dimethyl- hydroxylamine (DMHAN) are a......
The Distribution of Technetium in U/Pu Partition Step of Advanced Purex Process Based on Organic Rea
Advanced Purex process based on organic reagents (APOR) is an advanced Purex process, where monomethylhydrazine (MMH)-di......
In a systematic study of the reactions between allylic esters of hetero-atom acids andlow valent transition metal compl......
Study on cobalt-carbon and iron-sulfur mixed cluster complexes——Synthesis and conformational analysi
Through complexation reaction of arynyl Fe-S complexes A(μ-p-CH_3C_6H_4C≡CS)(μ-RS)Fe_2(CO)_6 with Co_2(CO)_6, eight ......
Two new and convenient methods using triphenyl phosphite or sodium dithionite todeoxygenate triphenylarsine oxide to tr......
Low valent tungsten reaction——Composition studies and reactions with sulfoxides and pyridine-N-oxide
Sulfoxides are converted to the corresponding sulfides in good yields by low valent tungstenagents derived from WCl_6-B......
The reaction of allylic esters with nucleophiles in the presence of Pd complexes as catalysthas been extensively studie......
With the help of the first-principles full potential linearized augmented plane wave method,absorptioncoefficients,refl......
A detailed analysis of the cathode process during the formation and growth of the titanium deposit on the wire screen b......
The Dissolving loss of Nd in the systems NdCl_3-MCl_n(M=Li,Na,K,Ca,Sr,Ba;n=1 or 2)and the NdCl_3-rich NdCl_3-LiF motlen......
Change in valency of Nb-oxide in MnO-SiO_2-Nb_2O_5 system was studied with the electrochemical method using ZrO_2 asthe......
Low-valent titanium induced reductive cyclization of nitro compounds and aliphatic ketones:facile sy
The intermolecular reductive cyclization of o-nitrobenzene-sulfonamides with aliphatic ketones induced by TiCl4/Sm syst......
The title compound (C31H29NO, Mr = 431.6) was synthesized and its crystal structure was determined by X-ray diffraction ......
Nitrate (NO3-) is a common contaminant of groundwater due to the intensive agricultural activities and special overferti......
Dechlorination of trichloroethylene in solution over supported nano zero valent Fe and Cu/Fe bimetal
Degradation of organic halides by reductive dehalogenation promoted by zerovalent metals is a very active research area.......
Permeable Reactive Barrier for the treatment of contaminated surface water in Katedan industrial dev
Permeable Reactive Barrier (PRB) is an emplacement of inert material (s) in the subsurface, designed to intercept a cont......
Immobilization of arsenic in soils by stabilized nanoscale zero-valent iron, iron sulfide (FeS), and
Arsenic is a widespread contaminant in soils and groundwater. While various iron-based materials have been studied for i......
In China in which the statutory laws are adopted,the Patent Law and the Implementing Regulations of the Patent Law do no......
A pseudo-one-dimensional model comprising different coaxial mixing is proposed for the study of the liquid phase mixing......
LaFeO_3 nanoparticles were prepared by decomposing a precursor La[Fe(CN)_6]·4H_2O at 800℃,the precursor was synthesize......
STUDY ON THE INTERACTION BETWEEN POLYVINYLPYRROLIDONE AND PLATINUM METALS DURING THE FORMATION OF TH
Several PVP-stabilized colloidal platinum metals nanoparticles have been synthesized and characterized by FTIR and TEM.C......
The electrochemical reduction of solid TiO2 directly to solid metal is a promising alternative to the current Kroll proc......
The influence of roasting on the leaching rate and valence of vanadium was evaluated during vanadium extraction from sto......
在发展中国家与发达国家,细菌性脑膜炎是引起严重疾病和死亡的常见病因,病死率在10%~50%,即使在医疗水平较高的国家,后遗症发生率......
M=1140.85, monoclinic, P21/c. a=12.748(2), b=14.320(2), c=23.118 (3)A,β=101.07(1)°, V=4141(2)A3, Z=4, Dc=1.830 g.cm-3......
Paraffin wax as a diluent for extraction and separation of trivalent gallium, indium, and thallium w
A method is proposed for the extraction and separation of trivalent gallium, indium and thallium from their correspondi......
