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huanghuai_university>Research> Article recorded by CA 1.Bibliographic Information Research on mechanism and kinetics of thermal decomposition of precursor basic zinc carbonate in preparation of nanometer zinc oxide. Shi, Wenzhong; Zhang, Xin; Zhu, Guocai. Chemistry Department, Abstract Nanometer ZnO was prepd. from coarse ZnO by ammonium bicarbonate method. Compn. of basic zinc carbonate (which was the precursor of nanometer ZnO prepn.), thermal-decompn. temp., crystal form of nanometer ZnO and kinetics of thermal-decompn. of the precursor were studied. The results showed that the compn. of basic zinc carbonate was Zn5(CO3)2(OH)6, it began decompn. at 222 and decompd. into ZnO, H2O and CO2 at about 250 and decompd. completely at > 265. Hexagonal crystal ZnO could be obtained when the precursor was heated at 600 for 1 h and space group was of C6v4- P63 mc. Apparent activation energy of the precursor thermal- decompn. reaction was 184.59 kJ/mol and apparent frequency factor was of 4.98 x 1018 s-1. Kinetics mechanism belonged to nucleation mechanism and obeyed equation of Aurami II. 2.Bibliographic Information Research on preparation of nanometer active zinc oxide from crude zinc oxide. Shi, Wenzhong; Zhao, Wei; Wng, Jingyan; Zhu, Guocai. Department of Chemistry, Abstract Nanometer active ZnO was prepd. from crude ZnO by ammonium bicarbonate method. Thermodn. of the process and main components of intermediate product (basic zinc carbonate) were analyzed. Effects of thermal decompn. temp. and time of basic zinc carbonate on purity, whiteness, specific area and apparent d. of the nanometer active ZnO were studied. The optimum thermal decompn. temp. and time of basic zinc carbonate was of 600 and 1 h, resp. The ZnO with purity of 97.6 wt%, size < 100 nm, specific area of 3. Bibliographic Information Kinetics in chlorinating mixed rare earth oxides reaction process by ammonium chloride. Shi, Wenzhong; Zhang, Xin; Chu, Yixin; Wang, Jingyan; Zhu, Guocai. Department of Chemistry, Abstract The optimum conditions and kinetics of chlorinating with ammonium chloride in the mixed rare earth oxides were analyzed. The condition of was as following terms: Chlorinating the mixed rare earth oxides 30 min; with ammonium chloride dosage nNH4Cl: nREO = 12:1 at 380 .apprx. 420 C; the chlorinating ratio of the mixed rare earth oxides reaches 99%. The optimum conditions were detd. as chlorinating the mixed rare earth oxides 30 min. with ammonium chloride dosage nNH4Cl: nREO = 12:1 at 380 .apprx. 420 C. The reaction rate equation followed the Erofeev equation ln[-ln(1 - a)] = lnk + nlnt, and the functional relation between the reaction rate const. and temp. can be described as k = 1.2 105 e-75820/RT. The apparent activation energy Ea is 75.82 kJ mol-1. The process is mainly controlled by the interfacial chem. reaction. The response and response degree of CeO2 and NH4Cl are the speed-controlled process which is chloride the mixed rare earth oxides and the key which is detd. chlorinating ratio of the mixed rare earth oxides. When the mixed rare earth oxides are chlorate, the components and partition of the rare earth are an important factor influencing the chlorate ratio and reaction rate. 4. Bibliographic Information Chlorinating reaction of the admixture of La2O3 and CeO2 by ammonium chloride and its kinetics. Shi, Wen-zhong; Li, Guan-feng; Zhao, Yong-he; Zhu, Guo-cai. Department of Chemistry, Abstract This article analyzes the optimum conditions and response-chlorinating kinetics of chlorinating with ammonium chloride in the admixt. of La2O3 and CeO2. On the condition of the following terms: 25 min of Chlorinating the admixt. of La2O3 and CeO2, with ammonium chloride dosage nNH4Cl/n(La2O3+CeO2) = 12:1 at 390 .apprx. 400 C; the chlorinating ratio of the mixed rare earth oxides reaches 80%. The reaction rate equation followed the Erofeev equation 1n[-1n(1-)] = 1nk + nlnt, and the functional relation between the reaction rate const. and temp. can be described as k = 1.6e-13490/RT, the apparent activation energy Ea is 13.49 kJ mol-1. The process was mainly controlled by the internal diffusion control. The response and response degree of CeO2 and NH4Cl are individually the speed-controlled process which is chlorided the mixed rare-earth oxides and the key which is detd. chlorinating ratio of the mixed rare earth oxides. When the mixed rare earth oxides is chloride, the components and partition of the rare earth is an important factor for the chlorate ratio and reaction rate. 5. Bibliographic Information Degradation of phenol in the water by anode electrochemistry oxidation. Shi, Wen-zhong; Zhu, Yi-xin; Zhu, Guo-cai. Chemistry Department, Publisher: Shuichuli Jishu Bianjibu, CODEN: SHJIEG ISSN: 1000-3770. Journal written in Chinese. CAN 143:372097 AN 2005:551407 CAPLUS Abstract The degrdn. of phenol in water by anode elec. chem. process was studied and the effect of the kinds and concn. of supporting electrolytes, c.d. and initial phenol concn. on the removal rate of phenol, pond voltage, and COD removal rate were studied. The results showed that the effect of the supporting electrolytes on COD removal rate was more marked; the order of phenol removal rate and removal speed was: alkali Na2SO4 > salt Na2SO4 > acid H2SO4; the order of COD removal rate and removal speed was: acid > salt Na2SO4 > alkali NaOH. Alk. condition is advantageous to elec. chem. conversion of phenol and acidic condition is advantageous to fully oxidn. of phenol, under a certain conditions the max. removal rate of phenol using various electrolytes can be .apprx.100%; when concn. of the supporting electrolytes H2SO4 was 0.1 mol/L, initial phenol concn. was 200 mg/L; c.d. 6.Bibliographic Information Degradation of phenol in wastewater by electrochemical method. Shi, Wen-zhong; Zhang, Xin; Zhu, Guo-cai. Chemistry Department, ZHU Madian Teacher's College, Abstract Treatment of phenol-contg. wastewater in the presence of NaCl by electrochem. method is studied. Several operating variables, such as the kind and concn. of salts, pH, temp., c.d., initial phenol concn., the rate of conversion between anode and cathode, are explored to ascertain their resp. effects on the removal of phenol and concn. and current efficiency of ClO-, 100% phenol removal. Only 5% COD removal is obtained in a reaction time of 200 min under the following conditions: NaCl 0.1 mol/L, Na2SO4 0.2 mol/L; pH 12.5; initial phenol concn. 200 mg/L; c.d. 7. Bibliographic Information Study on treatment of phenol-containing wastewater by electrochemical process. Shi, Wenzhong; Hua, Jie; Zhu, Guocai; Xu, Shengming. Abstract Treatment of phenol-contg. wastewater in the presence of chlorides by an electrochem. process was studied with the focus on the removal effects of different factors such as the kinds and concns. of salts, wastewater pH, reaction temp., c.d., phenol initial concn. and switching frequency of an anode and a cathode. Under the conditions of Na2SO4 concn.of 0.2 mol/L, NaCl concn. of 0.1 mol/L, phenol initial mass concn. 200 mg/L, c.d. 8 Bibliographic Information Research on electrochemical oxidation of phenol-containing wastewaters and its kinetic model. Shi, Wen-Zhong; Li, Ling-Zhi; Yu, Guo-Zhoug. The Chemical Department of Abstract Electrochem. oxidn. of phenol-contg. wastewaters was studied using graphite electrode under various conditions, such as supporting electrolyte type, c.d., pH, initial phenol concn., and temp. A model of 1st order reaction of the degrdn. of phenol is proposed. 9. Bibliographic Information Recovery of RE from rare earth concentrate with ammonium chloride roasting. Shi, Wenzhong; Zhu, Guocai; Hua, Jie; Xu, Shengming; Chi, Ruan. Abstract A process of recovery of RE from 10. Bibliographic Information Kinetics on chlorinating rare earth of Weishan mid-grade bastnaesite in Shandong after fixed fluorine treatment. Shi, Wen-zhong; Zhu, Guo-cai. Inst. of Nuclear Energy Technology, Abstract The kinetics curved lines of chlorinating rate on chlorinating rare earth of Weishan mid-grade bastnaesite in Shandong after fixed fluorine were detd. It is shown that the chlorinating process for fluorine-fixed calcine agreed well with the regional reaction rate model presented by Bagdasarym. The process consisted of two tandem steps, Erofeev Equation ln[-ln(1-a)]=lnk+nlnt was used to deal with the equation of reaction rate, the function between rate const. and temp. was k=2.7x 107e-125900/RT. The apparent activation energy E. was 125.9 kJ/mol. The process was mainly controlled by the interfacial chem. reaction. 11.Bibliographic Information Recovering germanium from coal ash by chlorination with ammonium chloride. Zhu, Guocai; Shi, Wenzhong; Tian, Jun. Abstract A process of recovering germanium from coal ash was developed. The process involves mixing the coal ash with ammonium chloride and then roasting the mixt. to produce germanium chloride that is then absorbed by dil. hydrochloric acid and hydrolyzed to germanium oxide. The germanium recovery reached 80.2% under optimum conditions of NH4Cl/coal ash wt. ratio 0.15, roasting temp. 400 and roasting time 90 min. 12. Bibliographic Information Recovery of rare earths from Weishan rare earth concentrate by chlorination roasting after fluorine-removal treatment. Shi, Wen-zhong; Zhu, Guo-cai; Zhang, Zhi-geng; Wang, Jing-yan; Chi, Ru-an. Abstract A process for recovery of rare earths from the Weishan rare earth conc. was developed by using a fluorine-removal treatment and chlorination roasting with ammonium chloride. The suitable conditions were fluorine-removal time 50 min with a MgO dosage at a MgO/ore ratio of 1:20 at 550. Chlorinating the treated calcine was done for 60 min with NH4Cl at a NH4Cl/ore ratio of 1.2:1 at 480. The leaching recovery of rare earths reaches 87.8% under these conditions. The possible reactions in the fluorine-removal process are discussed in relation to the x-ray diffraction spectrum. 13.Bibliographic Information Recovery of RE from Baotou rare earth concentrate with chlorination roasting. Shi, Wen-zhong; Zhu, Guo-cai; Hua, Jie; Xu, Sheng-ming; Chi, Ru-an. Abstract A process for recovery of RE from 14.Bibliographic Information Infrared spectra and coordinated mode of manganese(II), iron(II), cobalt(II) complexes with dithiolene and 1,10-phenanthroline-5,6-dione ligands. Pan, Qing-cai; Zhao, Yong-he; Peng, Zheng-he. Dep. Chem. Chem. Eng., Huanghuai Coll., Zhumadian, Peop. Rep. China. Guangpuxue Yu Guangpu Fenxi (2005), 25(8), 1253-1256. Publisher: Abstract The IR spectra and far-IR spectra of M(mnt)(phen-5,6-dione) [M=Manganese(II), Iron(II), Cobalt(II). mnt2- = 1,2-dicyano-1,2-ethylenedithiolate or maleonitriledithiolate, phen-5,6-dione = 1,10-phenanthroline-5,6-dione] are reported in detail. In IR spectra and far-IR, characteristic (O=N), (O-O), (O-C), (O-N), (C-S), (M-S) and (M-N) are very strong. Far-IR spectra shows that M-S bond is slightly strong than M-N bond. Through comparing IR spectra, simple regular coordinate mode of M(mnt) (phen-5,6-dione) is analyzed. The relation between IR spectra and structure of the title complexes is discussed. In the title complexes, transition metals ion with 1,2-dicyano-1,2-ethylenedithiolate and 1,10-phenanthroline-5,6-dione form quadridentate distortion tetrahedral configuration mols. The symmetry is approx. to C2 and C2V. 15. Bibliographic Information Study on the fluorescence and photosensitivity of superfines cobalt complexes of dithiolate and phenanthroline-5,6-dione. Pan, Qing-cai; Peng, Zheng-he. Abstract The electronic absorption spectra and emission spectra of complexes CoLL' (L = mnt2-, 1,2-dicyano-1,2-ethylenedithiolate or maleonitriledithiolate. L' = phen-5,6-dione, 1,10-phenanthroline-5,6-dione), and photosensitivity of CdS doped with CoLL' were reported. The correlation between photosensitization of complexes CoLL' to CdS and their electronic spectra were studied. 16 Bibliographic Information Electronic absorption spectra and theoretical studies on cobalt (II) complex of dithiolate and 5-nitro-phenanthroline. Huang, Yuan-qiao; Pan, Qing-cai; Gan, Xiong; Duan, Lian; Zeng, Guang-peng; Peng, Zheng-he. College of Chemistry and Molecular Sciences, Abstract The electronic spectra of title complex Co(mnt)(5-NO2-phen) in several solvents were reported in this article. The ground and exciting states of electronic structure were studied by geometry optimization calcns. of PM3 method in RHF-SCF-MO theory. The theory spectra were given by the CI calcns. of ZINDO/S method. Calcn. spectra are fitted in the gross to the obsd. spectra. Anal. results showed that the bands of CoLL' in the UV region arose from b* transition of ligand and the bands (400 .apprx. 500 nm) in the visible region belonged to the charge transfer from ligand 5-NO2-phen to ligand mnt2- in the obsd. spectra essentially. 17 Bibliographic Information Magnetic properties of the copper complex of dithiolate and phenanthroline-5,6-dione. Pan, Qing-cai; Peng, Zheng-he. Abstract The microcryst. structure and magnetic properties of the complex CuLL' (L = mnt2-, 1,2-dicyano-1,2-dithiolate; L' = phen-5,6-dione, 1,10-phenanthroline-5,6- dione) were studied by variable-temp. susceptibility measurements and EPR. The complex exist in the forms of microcryst. particle and high-spin tetracoordinate complex, and possesses remarkable paramagnetism. The exptl. EPR observations for the complex are explained by theory. 18 Bibliographic Information Synthesis and properties of Mn(II), Fe(II) and Co(II) complexes with dichloride and 1,10-phenanthroline-5,6-dione. Pan, Qing-cai; Peng, Zheng-he. Abstract The title complexes M(phen-5,6-dione)Cl2 [M = Mn (II), Fe (II), Co (II)], were synthesized by reaction of 1,10-phenanthroline-5,6-dione (L) with MCl2 resp. The structure and properties of the complexes were characterized by elemental anal., electronic absorption spectra and IR. They are thermally stable under 500 K and very sol. in DMSO, DMF and Py, and sol. in CH2Cl2, C2H5 OH and H2O. Their electronic absorption spectra exhibit strong M L charge transfer transitions at about 350 nm and 310 nm in DMSO and DMF. 19 Bibliographic Information Study on magnetic properties of a superfine nickel complex of dithiolate with mixed-ligand coordination. Pan, Qingcai; Peng, Zhenghe. Abstract The nanocryst. structure and magnetic properties of the complex NiLL' (L = mnt2-, maleonitrile dithiolate; L' = 5-NO2-phen, 5-nitro-1,10-phenanthroline) were characterized by TEM, variable-temp. susceptibility measurement and EPR. The title complex took the form of nanocryst. particles with approx. oval shape and the size of .apprx.100-30 nm. NiLL' was a high-spin tetracoordinated complex, and had remarkable paramagnetic characteristic. 20 Bibliographic Information Electronic spectra and photooxidation characteristics of diimine-mixed ligand, complexes of nickel(II), copper(II) and zinc(II). Pan, Qing-cai; Peng, Zheng-he. Abstract The electronic absorption spectra of complexes M(mnt) (5-NO2-phen)(M=Ni(II), Cu(II), Zn(II); mnt2- = 1,2-dicyano-1,2-ethylenedithiolate or maleonitriledithiolate; 5-NO2-phen = 5-nitro-1, 10-phenanthroline) in DMSO, DMF, DME, C2H5OH, THF, CH3CN and CH2Cl2 were reported. The relation between electronic spectral absorption band and the correlative transition in the MO energy level diagram of the complex was investigated. The essential characteristics of interligand charge transfer transition (LL'CT), and the relation between LL'CT and central metal ion, configuration, substituent electronic effect of ligands of the complexes and solvent effect were discussed. The photooxidn. characteristics of complexes of M(mnt)(5-NO2-phen)in DMSO were ascertained. 21 Bibliographic Information Study of magnetic properties of a superfine manganese complex of dithiolate and phenanthroline-5,6-dione. Pan, Qing-Cai; Peng, Zheng-He. Abstract The magnetic properties of the complex MnLL' (L = maleonitriledithiolate: L' = 1,10-phenanthroline-5,6-dione) were characterized by variable-temp. susceptibility and EPR of solid powder and EPR in DMSO, DMF and acetone solns. The complex MnLL' is a high-spin tetra-coordinate complex and possesses remarkable paramagnetism. 22 Bibliographic Information Magnetic properties of superfine manganese complex of dithiolate and nitrophenanthroline. Pan, Qing-cai; Peng, Zheng-he. Dept. of Chemistry, Abstract The microcryst. structure and magnetic properties of MnLL' (L = mnt2-, 1,2-dicyano-1,2-ethylenedithiolate; L' = 5-NO2-phen, 5-nitro-1,10-phenanthroline) are characterized by TEM, variable-temp. susceptibility and EPR. The title complex is microcryst. particle of oval sphere .apprx.40 nm. MnLL' is high-spin tetracoordinate complex. MnLL' possess paramagnetism. 23 Bibliographic Information Synthesis and photosensitivity of superfine iron complexes of dithiolate and substituted phenanthroline and their photosensitizing effect on CdS photoconductive films. Pan, Qing-cai; Peng, Zheng-he. Zhumadian Teacher's College, Zhumadian, Peop. Rep. China. Ganguang Kexue Yu Guang Huaxue (2001), 19(4), 268-273. Publisher: Kexue Chubanshe, CODEN: GKKHE9 ISSN: 1000-3231. Journal written in Chinese. CAN 136:224970 AN 2001:907889 CAPLUS (Copyright (C) 2006 ACS on SciFinder (R)) Abstract This article reported the synthesis of FeLL' complexes ( L = maleonitriledithiolate; L' = 1,10-phenanthroline-5,6-dione, or 5-nitro-1,10-phenanthroline) and their electronic absorption and emission spectra. The photocond. of CdS film doped with FeLL' complexes was studied, and the correlation between the photosensitization of FeLL' complexes and their electronic spectra was discussed. 24 Bibliographic Information Intramolecular charge-transfer transition and photosensitivity of Ni2+, Cu2+ and Zn2+ complexes of maleonitriledithiolate and 1,10-phenanthroline-5,6-dione. Peng, Zhenghe; Pan, Qingcai; Liu, Yongzhou; Yang, Lifen. Department of Chemistry, Abstract The intramol. charge-transfer transition of (MLL', where M = Ni2+, Cu2+, Zn2+; L = maleonitriledithiolate (mnt2-) and L' = 1,10-phenanthroline-5,6-dione) were studied by comparing the electronic absorption and emission spectra with the multi-configuration RHF-SCF-CI calcns. of ZINDO/S method, and the photosensitivity was studied by measuring the dark cond. and photocond. of the doped MLL'(9.8%)-CdS(90.2%)-PVA films and undoped CdS-PVA film. The complexes MLL' exhibited a strong fluorescent emission band at 420-550 nm under UV light at room temp. The wavelength and relative intensity of the emission band, as well as the photosensitivity of the MLL' in films, were incremental in the metal ionic order of Cu2+ < Ni2+ < Zn2+. The effect of the metal ion in the MLL' on the LL' CT was decreased in the metal ionic order of Ni2+ > Cu2+ > Zn2+. 25 Bibliographic Information Study on structure and magnetism of superfine copper complex of dicyanodithiolene and 5-nitro-1,10-phenanthroline. Pan, Qing-cai; Peng, Zheng-he. Zhumadian Teach. Coll., Zhumadian, Peop. Rep. China. Huaxue Yanjiu (2001), 12(1), 39-42. Publisher: Huaxue Yanjiu Bianjibu, CODEN: HUYAF4 ISSN: 1008-1011. Journal written in Chinese. CAN 135:174001 AN 2001:433223 CAPLUS (Copyright (C) 2006 ACS on SciFinder (R)) Abstract The microcryst. structure and magnetic properties of the superfine complex CuLL' (L=mnt2-,1,2-dicyano-1,2-ethylenedithiolate; L'=5-NO2-phen, 5-nitro-1,10-phenanthroline) were characterized by MS, TEM, EPR and variable-temp. molar susceptibility. The title complex is microcryst. particle approx. oval sphere .apprx.30 nm. CuLL' is high-spin tetracoordinate complex. The relation between magnetism and structure of Cu(mnt)(5-NO2-phen) is ascertained. 26 Bibliographic Information Study on electron spectra and intramolecular charge-transfer transition of nickel(II), copper(II) and zinc(II) complexes of maleonitriledithiolate and 1,10-phenanthroline-5,6-dione. Pan, Qingcai; Peng, Zhenghe; Ren, Xiaoming; Yang, Lifen; Qin, Zibin. Department of Chemistry, Abstract Electronic spectra were measured and MO calcns. were performed on MLQ (M = Ni, Cu, Zn; L = 1,10-phenanthroline-5,6-dione; H2Q = maleonitriledithiole). 27 Bibliographic Information Studies on non-isothermal kinetics of thermal decomposition of Cu(mnt) (phen-5,6-dione) complex. Chen, Donghua(潘庆才); Yuan, Yihong; Pan, Qingcai; Peng, Zhenghe; Wu, Yuanhui; Tang, Wanjun. Department of Chemistry, Abstract The non-isothermal kinetics of thermal decompn. of Cu (phen-5,6-dione) complex were studied by TG and DTG techniques, Achar method, and Coats-Redfern method. The possible reaction mechanism was inferred. The math. expressions of kinetic compensation effect of the thermal decompn. reaction were obtained. 28 Bibliographic Information Synthesis and property of cadmium(II) complex with dicyanodithiolene and 4,4'-dimethyl-2,2'-bipyridine. Pan, Qingcai(潘庆才); Peng, Zhenghe; Qin, Zibin. 1. Abstract The complex Cd(mnt)(dmbp) (H2mnt = 2,3-dimercapto-2-butenedinitrile; dmbp = 4,4'-dimethyl-2,2'-bipyridine) were prepd. by reaction of NaCN, CS2, dmbp and CdCl2. The element anal., DTA-TG, molar conductivities, IR, electronic absorption spectra and emission spectra showed the complex to have electroneutrality with approx. square planar structure. The complex decomps. > 305. Cd(mnt)(dmbp) is easily dissolved in DMF and DMSO, less sol. in THF, Py and acetone, and is insol. in H2O, ether and benzene. 29 Bibliographic Information Synthesis and characterization of nickel(II), copper(II) and zinc(II) complexes with 1,10-phenanthroline-5,6-dione and dichloride ligands. Peng, Zhenghe; Pan, Qingcai; Fang, Chenjie; Zhang, Zhiming; Qin, Zibin. Abstract MLCl2, (M = NiII, CuII, ZnII, L = 1,10-phenanthroline-5,6-dione) were synthesized by reaction of 1,10-phenanthroline-5,6-dione with MCl2 resp. The structures and properties of the complexes were characterized by elemental anal., molar cond., TG, IR, and UV. They are thermostable color microcrystals under temp. 500 K, and sol. in DMSO, DMF and pyridine. In DMF they exhibit strong charge transfer transitions at wavelength .apprx.350 and .apprx.315 nm. 30 Bibliographic Information Thermal decomposition kinetics of M (mnt) (5-NO2-phen) (M=CoII, CuII, ZnII) complexes. Chen, Donghua; Yuan, Yuhong; Peng, Zhenghe; Jian, Lihua; Pan, Qingcai; Qin, Zibin. Department of Chemistry, Abstract Studies of the non-isothermal decompn. of M (mnt) (5-NO2-phen) (M=CoII, CuII, ZnII) were carried out by thermogravimetry. The thermal decompn. mechanisms and assocd. kinetics have been investigated. The kinetic parameters were obtained from an anal. of the TG-DTG curves by integral and differential methods. The most probable kinetic model functions were suggested by comparison of the kinetic parameters. Math. expressions for the kinetic compensation effect were derived. 31 Bibliographic Information Synthesis, photoconductivity and photosensitivity of electron transfer compounds of Zn2+ bis(maleonitriledithiolene) complex. Peng, Zhenghe; Wang, Zhengping; Ni, Xiaoling; Li, Yongzhou; Pan, Qingcai; Wei, Yihai. Department of Chemistry, Abstract Title compds. A[Zn(mnt)2] (A = (NEt4)2+, H22+, Ni2+, Cu2+, Zn2+) were synthesized by reaction of corresponding cation salts with Zn2+ bis complex obtained from reacting disodium cis-1,2-dicyanoethylene-1,2-dithiolate and ZnSO4.7H2O in a mixt. solvent. The dark cond., photocond. and photosensitivity of the A[Zn(mnt)2]-PVA films were studied. The photosensitivity of A[Zn(mnt)2] in the film was incremental in the cation order of (NH4)22+ < Zn2+ < (H)22+ 32 Bibliographic Information Relation between solvatochromic characteristics and structure of the functional type mixed-ligand complex of nickel. Pan, Qingcai(潘庆才); Peng, Zhenghe; Qin, Zibin. Abstract The electronic absorption spectra of complex Ni(mnt) (phen-5,6-dione) (mnt2-: 1,2-dicyano-1,2-ethylenedithiolate or maleonitrile dithiolate, phen-5,6-dione: 1,10-phenanthroline-5,6-dione) were reported in detail. The relation between solvatochromic absorption band in the visible range and correlative transition in the MO energy level diagram of complex Ni(mnt) (phen-5,6-dione) were emphatically investigated. The essence of interligand charge transfer transition (LL' CT) and photooxydation was ascertained. 33 Bibliographic Information Synthesis and properties of nickel(II), copper(II) and zinc(II) complexes with maleonitriledithiolate and 1,10-phenanthroline-5,6-dione. Peng, Zhenghe; Pan, Qingcai(潘庆才); Ren, Xiaoming; Zhang, Keli; Qin, Zibin. Dep. Chem., Abstract [M(mnt)(phen-5,6-dione)] (M = Ni(II), Cu(II), Zn(II), mnt = maleonitriledithiolate; phen-5,6-dione = 1,10-phenanthroline-5,6-dione) were synthesized by reaction of Na2(mnt) with [M(phen-5,6-dione)Cl2]. The structure and properties of the complexes were characterized by elemental anal., molar conductivities, TG, IR, UV-visible, and fluorescence spectra. 34 Bibliographic Information Polyisocyanates blocked with malonate diesters and acetoacetate esters and storage-stable crosslinking compositions therefrom and one-liquid thermosetting resin compositions containing them curable at low temperatures. Usui, Taketoshi; Asahina, Yoshuki. (Asahi Chemical Patent Family Information Patent No. Kind Date Application No. Date JP JP 3547197 B2 20040728 Priority Application JP 1995-31953 19950221 Abstract The blocked polyisocyanates (A) comprise aliph. and/or alicyclic diisocyanates, which are modified with OH compds. and the resulting isocyanurates are blocked with mixts. comprising 30-90 equiv% malonate diesters and 10-70 equiv% acetoacetate esters, and the crosslinking compns. comprise A and alcs. with b.p. 200 as solvents as the essential components. The curable one-liq. thermoplastic resin compns. contain polyhydric hydroxy compds. and A as the main components, are resistant to yellowing by heat, and are useful for coatings (with data), adhesives, tackifiers, and sealants (no data). Thus, 100 parts HDI and 1.2 part 1,3-butanediol were heated at 80 for 2 h in the presence of tetrabutylammonium acetate and 100 parts of the resulting polyisocyanurate polyisocyanate were treated with 42 parts diEt malonate and 34 parts Et acetoacetate in xylene in the presence of NaOMe at 60 for 6 h to give a blocked polyisocyanate (I), which was mixed with 14 parts BuOH to give a soln. exhibiting no crystn. on storing the soln. for 2 wk at 5. 35 Bibliographic Information Influences of uncaptured electron on energy conversion of photon Compton scattering in high power laser-plasma. Zheng, Jing-hua; Hao, Xiao-fei; Hao, Dong-shan. Dept. of Modern Education Technol., Abstract Using the single particle theory and the non-flexibility collision model of electron and photon, the influence of the uncaptured electrons on the energy conversion efficiency of multi - photon nonlinear 36 Bibliographic Information Influences of uncaptured electron on energy conversion efficiency of multi-photon nonlinear Compton scattering. Hao, Dong-Shan. Department of Physics, Abstract The influence of uncaptured electron on energy conversion efficiency in multi-photon nonlinear 37 Bibliographic Information Quantum properties of the atom in the intensity dependent coupling J-C model with an additional Kerr medium. Huang, Yanxia; Hao, Dongshan; Zhang, Xuewen. Department of Physics, Abstract The properties of the at. inversion and the at. state evolution are studied by using the distance between d. operators in the intensity-dependent coupling Jaynes-Cummings model with an addnl. Kerr medium. The effect of nonlinearity interaction of Kerr medium and the av. photon no. of initial coherent field on the quantum properties of the atom are discussed. The result shows: the period of the at. inversion is decreasing with the increase of the Kerr effect (gtR /2/g2 + 1); When the initial coherent field is not great (= 10), the periodicity of the at. state evolution is destroyed by Kerr effect, otherwise, when the initial coherent field is great (= 50), the at. state evolution has periodicity approx., also, the period is the same as at. inversion (gtR /2/g2 + 1). Whether the av. photon no. of the initial coherent field is great or small, the probability that the atom locates initial state is increasing with the increase of the Kerr effect, when /g = 5, the atom always locates initial excited state nearly. 38 Bibliographic Information Electron acceleration by Compton scattering in cone-shaped laser-plasma. Hao, Dong-shan; Huang, Xiao-dong. Department of Physics, Abstract Considering the characteristics and the electrostatic field energy in a cone-shaped femtosecond high power laser-plasma, the acceleration of electrons incident on a laser-plasma by multi-photon nonlinear 39 Bibliographic Information The influence of solid temperature change of the laser field on photoacoustic signal intensity. Hao, Dong-shan. Dept. of Physics, Abstract The influence of the solid temp. change of the laser field on photoacoustic signal intensity was studied. When the import power of laser is fixed, photoacoustic signal intensity is abated by solid temp. ascends. 40 Bibliographic Information Propagation characteristics of the scattered laser by the Compton effect in plasma channels. Lu, Jian; Hao, Dong-shan. Department of Mathematics and Information Science, North China Institute of Water Conservancy and Hydroelectric Power, Abstract In an under-dense plasma, the equation of the scattered laser with the multi-photon nonlinear Compton effect is given with higher-order-relativistic(HOR) effect. The effects of the propagation on the scattered laser in the plasma channel are studied with HOR effect. A shallower potential well also exists for photon spot size in the paraxial approxn. . HOR effect decreases the amplitude of photon spot size oscillation whereas accelerates its rate. Furthermore, it prevents the singularity of infinite intensity of photon beam when photon beam power is greater than or equal to the relativistic crit. power. The condition of balance-soln. of the beam spot size is also given. 41 Bibliographic Information Evolution of electron phase orbits based on multi-photon nonlinear Compton scattering. Hao, Dong-shan; Hao, Xiao-fei. Dept. of Phys., Abstract The electron movement based on the multi-photon nonlinear |
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