Proceedings of the 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology

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200 articles

Enhanced Photocatalytic Activity and Mechanism of La3+- Doped BiPO4

YuLian Quan
La3+- doped BiPO4 photocatalysts were synthesized by a hydrothermal method. The morphologies, structures, components, and light absorption properties of the photocatalysts were evaluated using XRD, FESEM, EDX, BET, XPS, and DRS techniques. La-doping could improve the photocatalytic activity of BiPO4...

Pb pollution from land-based sources in adjacent region of Jiaozhou Bay

DongFang Yang, Danfeng Yang, Sixi Zhu, Mingzhong Long, Fengyou Wang
Based on investigation dada on lead (Pb) in July, August and October 1984 in Jiaozhou Bay waters, we analyzed the content, pollution level and distribution of Pb, and defined the major sources of Pb. Results showed that Pb contents in 1984 in surface waters were 0.72-36.00 g L-1 and were meeting Grade...

Vertical variation and migration of Pb in Jiaozhou Bay waters

DongFang Yang, Sixi Zhu, Danfeng Yang, Fengyou Wang, Yunjie Wu
Based on the investigation data on Pb in waters in 1984, were analyzed the horizontal distribution, seasonal variation and settling process of Pb in water in the bay mouth of Jiaozhou Bay, eastern China. Results showed that the seasonal variations of Pb contents in surface waters and bottom waters were...

Codonopsis on Exercise Stress Ulcer rat stomach tissues and motilin content on HSP70 expression

Hui-feng JING
Objective: To investigate the occurrence of exercise stress gastric ulcer during motilin hormone content and expression of HSP70 and dangshen on Exercise Abstract.Objective: To investigate the occurrence of exercise stress gastric ulcer during motilin hormone content and expression of HSP70 and dangshen...

The application of PTFE coating on spherical joints

Jie Zhang, Dan Wang, Wuyi Chen
Spherical joints are wildly used in parallel mechanisms. This paper applied polytetrafluoroethylene (PTFE) on the surface of spherical joints, aiming at reducing both frictional resistance and clearance of this kind of joints. Firstly, three kinds of solid lubricants were coated on flat samples and their...

Design and Optimazation of the Shell for One Camera

Bo Gao, Hongtao Yang, Kui Shi, Weining Chen
The structure of the shell designed for a camera was investigated. The duralumin named 2A12-T4 was chosen as the main material in order to achieve the minimum weight, and the finite element optimization method was used for the design of the shell. Introduced the structure characteristics of the shell....

Synthesis and Properties of a Double-sided and Multi-layered Metal Organic Framework

Huanqing Ma, Shujun Wang, Hongyan Liu, Fanbin Meng, WeiYing Gao, Xingyu Xu
Two new double-sided and multi-layered network porous compound named 1 [Ni2(BTC)2(DABCO)(DEA)2] have been synthesized by solvent thermal synthesis method. Which, for the first time, exhibit an unusual double-sided and multi-layered MOF. The double-sided MOF structure extended to regular hexagon morphology...

Nonlinear Observer Design for One-Sided Lipschitz Generalized System

Yunan Zhao, Junguo Lu
State estimation of systems satisfying some special nonlinearities have been important topics in nonlinear system theory. In this paper, we discuss the problem of observer design for one-sided Lipschitz nonlinear generalized systems based on generalized quadratic stability and Lyapunov function, by using...

Synthetic study towards (+)-vertine and (+)-lythrine synthesis of the intermediate of benzyl-2-(1-methoxy-1,3-dioxobutan-2-yl)piperidine-1-carboxylate

Shuangjie Lin, Xiao Leng, Xiaoji Wang, Shuangping Huang
Synthetic study of the intermediate of (+)-vertine and (+)-lythrine, benzyl-2-(1-methoxy-1,3-dioxobutan-2-yl)piperidine-1-carboxylate was described, which included protection, reduction and addition of silyl enol ether.

Study of Failure Criterion for Brittle Rocks Based on Ellipse Criterion

Chao Liu
When rock-like materials are tested under triaxial compression[1] ,two kinds of failure may happen,that is,ductile and brittle failures.The essential reason for rock failure is the relative displacement among mineral particles making up rock.Generally, rock failure can be either tensile or shear,which...

Flexural behaviors analysis of ECC-RC composite beams reinforced with FRP bar based on OpenSees

Wenjie Ge, Junyu Chen, Haihuan Wang, Ke Zhao
Based on the finite element analysis software OpenSees, the flexural behaviors of ECC-RC composite beams reinforced with FRP bars is analyzed. The results show that cracking, yield and ultimate moment increase with the increasing of height replacement rate and the increasing rate slow down gradually....

Powertrain modeling and performance simulation for Electric vehicle

Yanan Gou
According to the dynamic performance evaluation indexes of the vehicle, combining the performance requirements of the electric vehicle which paper studied, choosing the motor parameters, transmission ratio and the battery parameters respectively.The vehicle model is established in the ADVISOR software,...

Gust Response Characteristics of Helicopter Rotor Blade

Hong-ru Ma, Wen-Sheng Sun, Zhi-tao Mu, Guang-yao Yan
The deformation of blades effected by gust would endanger the safety of wind turbine. Based on blades elastic deformation theory ,We established a model of blades rotation transient response ,studied the characteristics of blades transient response effected by gust, and confirmed the procedure of blades...

Study of T1 Copper Corrosion Behavior in Qingyuan Rural Atmosphere

Yongcun Liang, Fan Yang, Yinjie Kuang
By optical microscopy, SEM, XRD, EDS and EIS, study the corrosion behavior of copper in Qingyuan rural atmospheric environment. The results showed that: after exposure in Qingyuan rural atmosphere, copper has corrosion. With time, the corrosion products increased, and gradually cover the surface of the...

On-orbit Science Unit Maintainance in Space Telescope

Yijian Wang, Weiguo Zhao, Yanchun Li, Funan Yu, Yan Wang
With the development of space technology, the large diameter long-life of the space telescopes became more and more urgent. This paper mainly discussed the feasibility of the space telescope on-orbit maintenance for science unit module. This paper took the WFC3 module of the Hubble space telescope for...

Influence of super-fine fly ash on the properties of concrete under steam curing condition

Jingjing Feng, Lei Yu, Yong Liu, Yang Liu, Guodong Ma
The mechanical properties and durability of concrete with or without ultrafine fly ash were studied by measuring the compressive strength and determining the chloride ion penetration and open porosity of concrete. The results show that the addition of ultrafine fly ash reduces the compressive strength...

Transformation of heavy metals from sewage sludge during bioleaching

Zheng Li, Xiaohui Wu, Jun Zhang
Bioleaching experiment was carried out in 80L SBR reactor with sewage sludge collected from each treatment step of the wastewater treatment plant (WWTP) system, to investigate the transformation of heavy metals during bioleaching. The corresponding changes in pH, oxidation-reduction potential (ORP) and...

Review of Core Support Capabilities of the Equipment SoS Analysis and Evaluation

Kai Lu, Chenglong Nie, Yingjie Yang
Clear the connotation and concept of equipment SoS and core support capabilities. Core support capabilities for the evaluation from the evaluation parameters and evaluation methods two aspects, analyzed characteristic and research progress on the core security capabilities systematically and summarized...

Mechanism of the Rhodium-Catalyzed Hydroformylation of 4-(1-phenylvinyl)pyridine: A Detailed Computational Investigation of the Regioselectivity and Chemoselectivity

Xiaoling Luo, Rong Chen
The mechanism of 4-(1-phenylvinyl)pyridine hydroformylation with HRh(CO)(PH3)3 as active catalyst has been proposed and discussed by B3LYP. Also, the regioselectivity and chemoselectivity are investigated by calculations and excellent agreement with the existing experimental results is displayed. It...

The study of ultrasonic heat meter straight pipe length based on the CFD

Wen-lin Wang, Chao-chuan Huang, Zhi-jie Zhan
In order to verify the rationality of the straight pipe's design for the ultrasonic heat meter calibration device, the Computational Fluid Dynamics(CFD) was used to the simulation for the DN25 heat meter, the straight pipe length of the domestic typical structure ultrasonic heat meter was determined...

Study on Carbon Emission Estimation and Reduction Methods of Electric Vehicle Battery Packs in Whole Life Cycle

Chengshan Xu, Dongxiang Yan, Fachao Jiang
It is meaningful for evaluating carbon emission of battery packs of electric vehicles in their whole life cycle. In this paper, we give a new method to estimate carbon emission of battery packs in their life cycle. The method aims at evaluating carbon emission of different kinds of battery packs and...

Monitoring and analysis of special crystal surface waviness

Jia liang Guan, Xian hui Zhao, Yong Ren, Ze hai Qi, Wen wen Lu, Shenggen Zhu
Using single point diamond knife and quadratic general regression rotary unitized design to do cutting experiments of special crystals (KDP crystal), and using acoustic emission technique to collect signal of KDP crystal with different surface waviness, measure and analyze the test results. By frequency...

Research of error detection and compensation of CNC machine tools based on laser interferometer

Yueming Zhang, Xunxun Chu, Shenchun Yang
Taking a certain type of precision ultra-precision CNC grinding machine as an experimental platform, the research uses Renishaw XL-80 laser interferometer in testing the machine tools positional accuracy and repeat positioning accuracy in the before and after position of error compensation. Through the...

Simulation and Test Analysis on Mechanical Property of GCG-I Platform Wagon Coil Steel Pallet

Dunhua Liu, Mei Han, Nengpu Yang
This paper focus on simulation on mechanical property of platform wagon GCG-I coil steel pallet by using computer simulation technology and compare calculated value with the result in actual situation. The dimension model is built by SolidWorks. The value of various parameters is determined by the force...

Matching characteristics of propeller and engine of fuel-powered quadrotor aircraft

Fupei Zheng, Weijun Wang, Song Li, Jicheng Zhang
Quadrotor aircraft has become the forefront and hotspot in the research of the aviation industry. At present, the study of the quadrotor aircraft mainly concentrated in the category of electric quadrotor aircraft. But the electric quadrotor aircraft has a relatively short range and small payload, mainly...

Coal Mine Trackless Rubber Tyred Vehicle Control System Design based on ARM

Yuanbin Hou, Yong Chen
This paper for red Liulin coal mine underground complex production environment combined with actual shipped, designed a set based on the arm of the coal mine trackless rubber tyred vehicle inspection control system. System can be detected by the vehicle detector in coal mine underground without trackless...

A research on the vertical migration process and background value of cyanide in Jiaozhou Bay

DongFang Yang, Danfeng Yang, Sixi Zhu, Yunjie Wu, Fengyou Wang
We analyzed the seasonal variation, horizontal distribution, vertical distribution and background value of cyanide in the bay mouth of Jiaozhou Bay in 1983. Cyanide contents in the bay mouth were changing a lot by means of vertical water’s effect. Cyanide contents in both surface and bottom waters were...

Effect of Ta on the wear behavior of Laser Cladding Ni60 Alloy Coatings

Wei Fu, YaoWei Yong, Ting Yu, QiLin Deng
Ni60 coating provides excellent hardness and wear resistance, it is usually used to strengthen the parts worked the severely conditions with intensified friction. While Ni60 has a strong crack susceptibility due to its high brittleness and high thermal gradient in transient cladding process. In order...

Design of Intelligent Anti-Theft System for Electric Bicycles

Yanan Wang, Caiqin Kang
According to the shortages of anti-theft methods for electric bicycles, combined with modern electronic technology, single-chip technology and intelligent sensor technology, propose a design based on the microcontroller used for electric bicycles’ anti-theft. In this paper the hardware and software of...

Study of Tubular Nickel Oxide Electrode

Ke He, Jie Cheng, Yuehua Wen, Wenwen Cai, YuSheng Yang
Tubular nickel oxide electrode was designed and tested in the paper. We successfully prepared a calandria by using polyamide filament, and successfully prepared a tubular nickel oxide electrode by using the tube and foamed nickel oxide electrode. Testing results of the tubular nickel oxide electrode...

Photodegradation and Mineralization of Acetic Acid by Titanium Dioxide Films

YuLian Quan
ITO (indium-tin oxide) conductive glass plates were used as a support of Titanium dioxide films. TiO2/ITO films were prepared by sol-gel and dip-coating method with cheap inorganic salt TiCl4 as a precursor. The photocatalytic activity was evaluated by the photocatalytic decomposition of acetic acid...

Carbonation precipitation of manganese from electrolytic manganese residue treated by CO2 with alkaline additives

HongLiang Chen, Renlong Liu, Qian Long, Zuohua Liu
This work reports the results of carbonate precipitation of soluble manganese by CO2 with alkaline additives with the aim of eliminating the harm caused by electrolytic manganese residue (EMR). Results showed that CaO exhibited a better performance for the precipitation of manganese which was converted...

Modeling hydrodynamic behavior in fixed bed bioreactors under different hydraulic conditions via Retention Time Distribution

Ming Zeng, Audrey Soric, Nicolas Roche
In this study, effects of hydraulic conditions including hydraulic loading rate and hydraulic saturation condition in fixed bed reactor with two different porous media were investigated by retention time distribution analysis. In terms of hydraulic modeling, models of tanks in series, plug flow and their...

Rotor Dynamical Characteristics of Helicopter Start

Hongru Ma, Yue Wang, Zhitao Mu, WenSheng Sun
Based on the theory of finite rotation beam, together with the finite element method, the rotor dynamic model is established, and the relationship of strain and displacement in the strain energy of blade is solved by introducing the generalized Danielson-Hodges strain and Green-Lagrange strain. The three-dimensional...

Oxalate-loaded microcapsule prepared with acrylonitrile-styrene copolymer (AS)

Fanbin Meng, Shujun Wang, Zhoupeng Duan, XianLiang Huo
Oxalate-loaded microcapsules can be used as applicable catalyst of in-situ heat system for hydraulic gel fracturing. In this study, oxalate-loaded microcapsule was prepared with AS as the shell material via phase separation. The product was characterized by thermogravimetric analyzer (TGA), laser diffraction...

Polarization behaviors in a transverse Ising film with multi-surface layers

QiuShi Li
The mean-field theory is used to study polarization behaviors in a ferroelectric thin film described by the transverse Ising model. The dependence of average polarization and layer polarizations of the transverse Ising film with two surface layers on the Curie temperature or transverse field is discussed...

Research on rotate status of non-circular cross-section discrete rods

Junting Yin, Gang Li
Put forward a circumferential configuration non-circular cross-section discrete rod and it’s charge structure. The results of numerical simulation show, by adjusting discrete rod and matching detonation loading, the charge circumferential integration of the discrete rod can dispersing along the radial...

Synthesis of 3-bromo-4-isobutyloxyphenyl carbothioamide

Qinqin Wang, Yuping Guo, Min Wang, WuFu Zhu, Shan Xu
3-bromo-4-isobutyloxyphenyl carbothioamide 1 is an important intermediate in many biologically active compounds such as febuxostat. In this work, a rapid synthetic method for compound 1 was established. The compound 1 was synthesized from the commercially available 4-hydroxybenzonitrile 2 through three...

Study on synthesis of (2S,3S)-2-methyl-3-((triethylsilyl)oxy)pentanal

Shenkun Yang, TianXiang Xu, Shuangping Huang, Xiaoji Wang
The C19-C23 fragment (9) of the anti-trypanosomal natural product actinoallolide A was prepared via an elegant stereo-controlled route. We installed the chiral center at C20 through a standard Evans aldol reaction, and protected the secondary hydroxyl group via a silylanization.

Study on the influence rule of underlying working face to overlying rock and high level tunnel

AnYing Yuan, Zhenquan Zhang, Yang Li
Aiming at the special situation of high level tunnel under the in fluence of mining in Xieqiao coal mine 21116 working face,the theoretical analysis,numerical simulation and field measurement is taken to analyze it.And it reveals the overlying strata movement rule and mechanism of high level tunnel under...

Numerical simulation analysis on the flexural behaviors of ECC-RC composite beams reinforced with high strength steel bars

Wenjie Ge, ZhengDong Huo, Changqing Gui, Ming Yang
Based on the simplified material constitutive model and strip analysis method, computer program languages is used to analysis the flexural behaviors of ECC-RC composite beams reinforced with high strength steel bars. The results show that cracking, yield and ultimate moment increase with the increasing...

Study on the Shear Behaviors of RC New-Beam and Old-Slab Composite Component

DaFu Cao, Xin Wei, Wenjie Ge
In order to study the influences of shear span ratio and stirrup spacing on the shear behaviors of RC beam-slab composite component, static shear experiment of 9 RC beam-slab composite component and 3 beam-slab casting component were made. The results show that the development trend of flexural-shear...

Design of Straight-line Navigation System for Farm Machines Based on Mobile Internet Technology

Hualu Song, Yinfa Yan, Chengcheng Chen, Xiaohui Zhang, Fa-de Li, Xuezhen Sun, Zhanhua Song
In order to keep the farm machines straight in the agricultural production process, the straight-line navigation system for farm machines based on mobile internet technology and inertial navigation technology was developed. Straight-line navigation system consists of sensor subsystem and the Android...

Exploration of the Application of High and New Technologies in Grain and Oil Processing

Haijuan Tian
The State Administration of Grain has released the Suggestions of Popularizing the Utilization of High-Tech in “Eleventh Five-Year” In Grain Industry and the Comments And Suggestions of Mid-Long Term (By 2020) Scientific and Technological Development Plan of China’s Grain and Oil, and has vigorously...

Review of Stellite Alloys Intelligent Processing Methods in China

Xiao-Guang Yue, Zhi-Gang Liu, Xiao-Zhi Wang
Stellite is cemented carbide to resist a variety of wear and corrosion and high temperature oxidation. This paper introduces a series of domestic Stellite alloy intelligent processing methods. In China, Stellite alloy academic research is not very popular, but many of them have representation. These...

Effect of total flavonoids of Epimedium on climacteric depression model

Mingsan Miao, Peng Xi, Bolin Cheng, Mengfei Zhang, Tisheng Cui
Objective:To study effect of total flavonoids of Epimedium on climacteric depression model. Methods: In addition to the blank group, other rats climacteric models, total removal of the left ovary, the right ovary removed 80%. After the injection of penicillin to prevent infection, continuous injection...

Study on Innovative Design of Green Energy Multifunction Integrated Smart Windows

Kaixin Meng
With the rapid development of global economy, it emerges increasing consumption of human society, fossil energy and other non-renewable energy will become increasingly depleted. While accelerating the development of new energy sources, attaches great importance to energy conservation has become the consensus...

Review on healing eye disease using deproteinized calf blood extraction

Guangyu Xu, Liping An, Guangxin Yuan, Hongyu Li, PeiGe Du
Deproteinized calf blood extractive is a cellular respiration activator. Its main role is to enhance the cellular pharmacology of oxygen and glucose which is to be uptaked and utilization. It enhanced ATP synthesis and promote the delivery of nutrients to promote tissue repair and regeneration. The drug...

Research on the Application of Phase Change Materials in the Field of Building Energy Efficiency

YongLi Wang, Xiuhong Yi
Phase change materials and traditional building materials can be combined into new building materials which have regenerative and thermostat function, it has a large energy density and heat absorbing approximately constant temperature and it can effectively maintain comfortable indoor environment and...

Influence of steel slag on the properties of steam-cured concrete

Jin Hu, Li-ang Hou, Kunpeng Li
In this paper, the influence of steel slag on the compressive strength, permeability to chloride ion and carbonation resistance of steam-cured concrete was investigated. The results show that for steam-cured concrete with water to binder ratio (W/B) of 0.45, replacing 30% of cement by steel slag tends...