A new copper(I) complex, [Cu( Flu-imPhen)(POP)]PF6, where -Flu-imPhen = 1-(9H-fluoren-2-yl)-1H-imidazo[4,5-f][1,10]phenanthroline , POP=bis(2-diphenylphosphanyl)ether, was synthesized and characterized. The corresponding photophysical properties were investigated using UV-vis and emission spectrometry....

The oxidation kinetics of natural rubbers prepared by coagulum of fresh natural latex coagulated with formic acid or microorganisms were studied. The maturation time of coagulum is 6, 12, 18 and 24 hours respectively. The results show that the oxidation activation energies of natural rubbers prepared...

In this paper, GaSb-based material in the near-infrared semiconductor laser has a broad application prospects. For the problems and etching solution suitable particularly critical of etching GaSb-based material. we studied on different etchant experimental analysis the HCl+HNO3(30+1)@T=5 ,37% HCl, HNO3+(0.08MHCl+CH3COOH)...

The aim of the study is to determine the dependency of the viscosity of the aqueous solutions of hydrolyzed acrylic fiber on the concentration and temperature. Aqueous solutions of hydrolyzed acrylic fiber were prepared by hydrolysis of the waste fiber in water at elevated temperature. The solution viscosities...

Pyrolysis properties of Dianchi lake sediment in China at 10 /min and 20 /min were investigated by TG. Comparison to the TG and DTG curves at different heating rates, the pyrolysis reaction at 10 /min was in advance and more completely than at 20 /min, thus the process of sediment pyrolysis could be...

This study reported the feasibility of flushing remediation of cadmium contaminated soil using bacteria fermentation solution. Batch experiments were performed to test the factors influencing remediation of cadmium contaminated soil. The effects of concentration, pH value and contact time on the removal...

Axial compression test of 9 high-strength reinforcement confined ultra-high strength concrete with PVA fibers columns were presented. The influence of concrete strength, reinforcement spacing on the behavior of the confined concrete was investigated. The results show that the ductility of columns decrease...

Variations in molar densities and solute properties, which together form a solution's basic index, can cause changes in the solution's refractive index. The linear relationship between the ternary system's refractive index solution and each solute's molar concentration can be determined through ternary...

After a comprehensive analysis of previous research, it is discovered that Emeishan basalt copper ores have been studied relatively intensively that their metallogenic epoch and provenance are generally not controversial. It is still unclear if there are large and medium-sized deposits in Emeishan basalt...

Usually under a transverse load large enough, interface cracking and matrix fracture will occur to the unidirectional carbon fiber composite. Based on the extended finite element method (XFEM) an d the Surface-based cohesive behavior provided by ABAQUS, some factors, such as the volume fraction of carbon...

Daqing oilfield has entered the water cut rising stage of late polymer flooding, it is necessary for injection well to take measures of separate injection. With the increasing reduction of the main reservoir recoverable reserves, polymer flooding of the Class reservoirs is an important replacement method...

The ecological security of Iodic agent was firstly studied in the domestic. To investigate environmental toxicology of the new developed of Cydiodine Powder(CDP), we research toxicity of CDP to zebrafish and earthworm, and the skin and eye irritation studies to rabbit. The static method, with reference...

The development of society is restricted by the problem of energy and environment, so battery has been attaching highly importance, lithium battery is widely praised for its high energy density, long cycle life, high open circuit voltage and so on. But the state of the charge of the lithium battery is...

High temperature molten salts as a heat transfer heat storage medium has been more widely used in the field of concentrated solar thermal power generation. The metal material in molten salts has strong corrosive, limiting molten salts large-scale industrial use. In this paper, study on corrosion of 321H,...

The continuous copper film on the á-SiC powder was obtained by magnetron sputtering technology. SiCp(Cu)/Cu composites was fabricated by hot-press sintering method. The phase constitution, fracture morphology, relative density, porosity, Vickers hardness of SiCp(Cu)/Cu composites with different SiCp(Cu)...

This paper presents a seismic evaluation and structural design on the 160m high residential building. This high-rise shear wall structure can be determined as super high, re-entrant corners irregular and torsion irregular. Maximum value of horizontal seismic influence coefficient is 0.079. Three different...

The correlated X-ray scattering (CXS) was introduced and compared with other methods which were used to study the structures of the biomacromolecules in solution, such as nuclear magnetic resonance (NMR), electron microscope (EM) and small-angle x-ray scattering (SAXS). Then a key step which was used...

Based on investigation dada on Cr in May and August 1979 in Jiaozhou Bay, we analyzed the content, distribution of Cr. Results showed that Cr contents in 1984 in surface waters were 0.10-112.30 g L-1 and were meeting Grade I (50 g L-1), II (100 g L-1) and III (200 g L-1) in National Sea Water Quality...

Based on the investigation data on Cr in waters in Jiaozhou Bay in May and August, we analyzed the spatial and temporal distributions of Cr. Results showed that the horizontal distribution of Cr in May was inhomogeneous, yet in August was homogeneous. Cr contents in marine bay were undergoing a process...

In this article, Active Disturbance Rejection Control (ADRC) is proposed for the control of the activated sludge wastewater treatment processes. Simulation results show that the dissolved oxygen concentration can track the set value with non-overshoot and short settling time as possible by ADRC. Under...

In this paper, the design scheme of fractional order proportional integral (FOPI) controller for the second order plus time delay model of aeration of activated sludge wastewater treatment process are presented. It is found that the two controllers designed by the proposed tuning method not only make...

In the modern archaeology study, Devonian in the South China is an important research course mainly on Devonian reefs in south China, taking the existing data of the Devonian reefs in south China and related research materials as the main materials of the study, complying map of reefs in different periods...

In this work, the electrical conductance and induced current of 3-dimensional graphene foam (GF) are investigated when the mixture of water and ethanol flows through it. When different mixing ratios of ethanol: water (ethanol: water = 25:75, 50:50, 75:25, and 100:0 by volume) flow through the GFs, their...

A model on GaN growth in a vertical MOCVD system is presented. Simulations on the GaN growth using the model are carried out under different substrate temperatures. The result shows that during the gas phase translation of the reactants, the adduct reactions decreased and the pyrolytic reactions are...

Diffusion bonding is an effective way to join beryllium with other materials. To study the elements diffusion near the bonding interface so that improve the joints performance, the microstructure, and distribution of composition and phase on the interface of Be/00Cr17Ni14Mo2 stainless steel diffusion...

Diffusion bonding is an effective way to join beryllium with other materials. To study the elements diffusion on the bonding interface to improve the joints performance, the microstructure, and the distribution of composition and phase on the interface of Be/Cu/00Cr17Ni14Mo2 stainless steel diffusion...

This paper provided a review on the spatial-temporal, migration, transformation of Pb and their law in Jiaozhou Bay based on investigation of Pb in surface and waters in different seasons during 1979-1983. The vertical transferring processes of Pb and mechanism, spatial-temporal migration law of Pb and...

We analyzed the vertical distributions, seasonal variations and transfer processes of Pb in Jiaozhou Bay based on investigation data in surface and bottom waters in 1986. Results showed that Pb contents in surface waters were in order of spring