A new 4,5-diaryl-1H-imidazole was synthesized and characterized by H-1 NMR, ESI-MS, elemental analysis and FT-IR. The crystal structure of the title compound (C19H16Cl2N2O2, M-r = 375.24) has been determined by single-crystal X-ray diffraction. Crystal parameters: monoclinic system, space group P2(1)/n, a = 14.349(3), b = 8.7918(18), c = 15.352(3) angstrom, beta= 108.56(3)degrees, V = 1836.1(6) angstrom(3), Z = 4, F(000) = 776, D-c = 1.357 g/cm(3), mu = 0.368 mm(-1), the final R = 0.0502 and wR = 0.1066 for 2324 observed reflections with I > 2 sigma(I). A total of 16117 reflections were collected, of which 3615 were independent (R-int = 0.0595). The preliminary bioassay suggested that the title compound exhibits distinct effective inhibition on the proliferation of cancer cell lines.

The electrochemical oxidation of 2,4,6-trinitrophenol on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and 2,4,6-trinitrophenol has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of 2,4,6-trinitrophenol. Some electro-generated reagent formed in the electrolysis process and 2,4,6-trinitrophenol could be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC), and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of 2,4,6-trinitrophenol be oxided was studied primarily by the cyclic voltammetry and UV-visible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of 2,4,6-trinitrophenol contained in the waste water.

The triplet exciton is more benefit for organic solar cell than singlet exciton. PQ with long lifetime is an effective unit to form triplet exciton in polymer backbone. PPQF shows much higher PV response than PDHF which is attributes to the efficient exciton dissociation process occurred in PPQF.

我们在化工原理课堂教学中以学习任务为主线,开展探究式教学的改革措施,围绕学生的层次和专业背景精心设计教学案例.教学方案实施过程中,充分体现以学生为中心的理念,对学生系统地进行构思、设计、实现、运作(CDIO模式)的整体训练,提高其发现问题、提出问题和解决问题的能力,并增强其社会交往能力和团队精神.

The electrochemical oxidation of 2,4,6-trinitrophenol on Ti/SnO2-Sb2O5/PbO2electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and 2,4,6-trinitrophenol has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of 2,4,6-trinitrophenol. Some electro-generated reagent formed in the electrolysis process and 2,4,6-trinitrophenol could be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC), and the chemical oxygen demand (COD) was determined by the potassium dichromate method. The mechanism of 2,4,6-trinitrophenol be oxided was studied primarily by the cyclic voltammetry and UV-visible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of 2,4,6-trinitrophenol contained in the waste water.

The electrochemical oxidation of 4-chlorophenoxyacetic acid on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of 4-chlorophenoxyacetic acid. The Ti/SnO2-Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC) and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of 4-chlorophenoxyacetic acid be oxided was studied primarily. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of 4-chlorophenoxyacetic acid contained in the waste water.

An optimized electrochemical oxidation method for the treatment of containing imazethapyr waste water has been established in this paper. The influence of mass transfer in the degradation process of electrochemical oxidation of imazethapyr on Ti/SnO 2-Sb 2O 3/PbO 2 anode was investigated by cyclic voltammetry and constant current electrolysis. The factors which influence mass transfer and the degraded reaction of imazethapyr were optimized systematically, and a simplified and efficient process for the treatment of containing imazethapyr waste water was established. The oxidized mechanism of imazethapyr on Ti/SnO 2-Sb 2O 3/PbO 2 anode was primarily studied by cyclic voltammetry and ultraviolet (UV) spectrophotometry. The concentration of imazethapyr was monitored by high performance liquid chromatography(HPLC) in the process of electrolysis, and the removal of chemical oxygen demand(COD) was evaluated by the potassium dichromate method. The experimental results show that the properties of waste water, the operating conditions of electrolysis and the mass transfer conditions of waste water influence evidently on the reaction of electrochemical degradation of imazethapyr on Ti/SnO 2-Sb 2O 3/PbO 2 anode. The results of electrolysis experiments demonstrated the possibility of the Ti/SnO 2-Sb 2O 3/PbO 2 anode used in the waste water treatment of imazethapyr by electrochemical oxidation.

There are some deficiencies in chemical engineering practice teaching,such as the irrationality of curriculum content and alienation from theory teaching and engineering practice.By introducing CDIO engineering education concept into teaching,the practice teaching system is constructed based on CDIO.Implementation schemes of chemical engineering practice teaching are also proposed,that is,to recognize practice before class,have designing experimental course,strengthen the connection between practice and theory courses,reinforce curse design and open chemical production process practice.

The electrochemical oxidation of fomesafen on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and fomesafen has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of fomesafen. Some electro-generated reagent formed in the electrolysis process and fomesafen could be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC), and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of fomesafen be oxided was studied primarily by the cyclic voltammetry and UVvisible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of fomesafen contained in the waste water.

The electrochemical oxidation of fomesafen on Ti/SnO2-Sb 2O5/PbO2electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and fomesafen has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of fomesafen. Some electro-generated reagent formed in the electrolysis process and fomesafen could be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC) , and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of fomesafen be oxided was studied primarily by the cyclic voltammetry and UV-visible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of fomesafen contained in the waste water. © 2011 IEEE.

The electrochemical oxidation of fomesafen on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and fomesafen has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of fomesafen. Some electro-generated reagent formed in the electrolysis process and fomesafen could be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC) , and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of fomesafen be oxided was studied primarily by the cyclic voltammetry and UV visible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of fomesafen contained in the waste water.

The electrochemical oxidation of bisphenol A on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and bisphenol A has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of bisphenol A. Some electro-generated reagent formed in the electrolysis process and bisphenol A could be oxidized by the electro-generated reagent. The Ti/SnO2- Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC) and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of bisphenol A be oxided was studied primarily by the cyclic voltammetry and UV-visible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of bisphenol A contained in the waste water.

The electrochemical oxidation of chlorimuron-ethyl on Ti/SnO2-Sb2O5/PbO2 electrode was studied by cyclic voltammetry. The electrochemical behaviour of the electrode in a sodium sulfate solution and in the mixture solution of sodium sulfate and chlorimuron-ethyl was studied. The experimental results of cyclic voltammetry show that the acidic medium was suitable for the efficient electrochemical oxidation of chlorimuron-ethyl. Some electro-generated reagent was formed in the electrolysis process and chlorimuron-ethyl could be oxidized by the electro-generated reagent. A Ti/SnO2-Sb2O5/PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-Vis spectrometry and high performance liquid chromatography(HPLC), and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of chlorimuron-ethyl to be oxided was studied primarily by the cyclic voltammetry and UV-Vis spectrometry. The results of electrolysis experiment demonstrate the possibility of the electrode to be used as an anode for the electrochemical treatment of chlorimuron-ethyl contained in waste water.

In order to find out the simplified and efficient treating method for chlorimuron-ethyl containing waste water, the influence of mass transfer on the degradation process of chlorimuron-ethyl by Ti/SnO2-Sb2O3/PbO2 anode electrochemical oxidation was investigated with cyclic voltammetry and constant current electrolysis method. And the factors influencing the mass transfer and chlorimuron-ethyl degradation reaction were optimized. The electrochemical oxidation mechanism of chlorimuron-ethyl on the Ti/SnO2-Sb2O3/PbO2 anode was primarily studied with cyclic voltammetry and UV-visible spectrometry. The concentration of chlorimuron-ethyl in the electrolysis process was monitored by high performance liquid chromatography (HPLC). The removal effect of chemical oxygen demand (COD) was evaluated with potassium dichromate method. The experimental results show that the nature of waste water, operating condition of electrolysis and mass transfer condition of waste water have the evident influence on the electrochemical degradation of chlorimuron-ethyl on the Ti/SnO2-Sb2O3/PbO2 anode. It is proved that the Ti/SnO2-Sb2O3/PbO2 anode electrochemical oxidation can be used for treating chlorimuron-ethyl containing waste water.

The electrochemical oxidation of atrazine on Ti/SnO2Sb2O5/ PbO2 electrode was studied by cyclic voltammetry in this paper. The electrochemical behaviour of the electrode in sodium sulfate solution and in the mixture solution of sodium sulfate and atrazine has been studied. The experimental results of cyclic voltammetry showed that acidic media was suitable for efficient electrochemical oxidation of atrazine. Some electro-generated reagent formed in the electrolysis process and atrazine could be oxidized by the electro-generated reagent. The Ti/SnO2Sb2O5/ PbO2 electrode was used as the anode and the electrolysis experiment was carried out under the optimized conditions. The electrolysis process was monitored by UV-visible spectrometry and high performance liquid chromatography (HPLC), and the chemical oxygen demand(COD) was determined by the potassium dichromate method. The mechanism of atrazine be oxided was studied primarily by the cyclic voltammetry and UVvisible spectrometry. The results of electrolysis experiment demonstrated the possibility that the electrode was used as an anode for electrochemical treatment of atrazine contained in the waste water.

The electrochemical oxidation of imazethapyr at Ti/SnO2-Sb2O5/PbO2 electrode was investigated by cyclic voltammetry, and the oxidation mechanism of imazethapyr was primarily studied in this paper . Sodium sulfate was used as the electrolyte of the substrate solutions. The experimental results of cyclic voltammetry show that acidic media is suitable for efficient electrochemical oxidation of imazethapyr. Some electro-generated reagent was formed during the electrolysis, and the organic compounds in the solutions can be oxidized by the electro-generated reagent. The Ti/SnO2-Sb2O5/PbO2 electrode used as the anode, a stainless steel electrode used as the cathode, and the electrolysis experiment was carried out. The factors that influence the oxidation of imazethapyr were optimization, and the efficient electrolyte conditions were adopted in the electrolysis experiment. The electrolysis process was monitored by UV-visible spectrometry and the chemical oxygen demand (COD) was determined by the potassium dichromate method. The results of electrolysis experiment demonstrate the possibility of using Ti/SnO2-Sb2O5/PbO2 as an anode material for electrochemical treatment of imazethapyr containing waste water.

In vocational training of the students practice ability is the critical content of completing the talent training objectives,and also one of the factors to consider of the talent training amend programme.Combining with actual situation and the relevant professional needs of society,thinking about the amendment of higher vocational students training,and made a number of amendments.

高浓度、组成复杂的工业有机废水难以直接用普通的生物处理法处理,因此,需要探索经济有效的废水处理方法.电化学氧化法是比较有效的处理该类废水的方法.采用Ti/SnO2-Sb2O5/PbO2电极作为阳极,探索利用阳极电催化氧化法处理含环己酮废水的方法,采用紫外可见分光光度法对降解反应过程进行监测,对降解反应机理进行了探讨,对电解反应条件进行了优化.实验结果表明,用Ti/SnO2-Sb2O5/PbO2电极电催化降解处理含环己酮的有机废水是一种有效的方法,并与生物处理法联用,产生了节约废水处理费用的良好方法.

Methodology for the electrochemical decomposition of imazethapyr using Ti/SnO2-Sb2O5/PbO2 anode in Na2SO4 medium is suggested in this paper. The electrolysis reaction conditions were optimized. The process of electrochemical decomposition was monitored by ultra-violet spectrophotometry and CODCr method. The electrochemical decomposition mechanism of imazethapyr was studied primarily by UV-VIS spectrophotometry. The effectiveness of the electrochemical pretreatment was proved by the comparative aerobic biological treatment test based on the activated sludge process.