JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

2013 Vol. 28, No. 3

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Study on the preservation of cherry tomatoes and cucumber by edible film of bovine serum albumin
ZHANG Yin-liang, ZHOU Wen-quan, ZHANG Lu-yan
2013, 28(3) :1-4. doi: 10.3969/j.issn.2095-476X.2013.03.001
Abstract:
The purpose of this study was to evaluate the preservation of cherry tomatoes and cucumber by edible film of bovine serum albumin.The weight-loss rate,rotten fruit rate,and the contents of soluble solids,vitamin C,chlorophyll and carotenoid were detected during storage at 20~25℃.The results showed that coating with the edible films was significantly effective on decreasing the loss of fruit nutrition,water-loss rate,rotten fruit rate,inhibiting respiration.The shelf life was 15 d and 10 d respectively.
Study on the production of jujube clarified juice by complex enzymatic method
ZHAO Guang-yuan, CHANG Yang
2013, 28(3) :5-8. doi: 10.3969/j.issn.2095-476X.2013.03.002
Abstract:
With jujube as raw materials,the process parameters of jujube clarified juice by enzyme hydrolysis method were studied. The single factor and orthogonal test results showed that using complex enzyme hydrolysis can effectively increase the rate of jujube juice and soluble solid content than using single enzyme. The optimum process conditions of compound enzyme processing jujube clarified juice was determined:the ratio of enzyme mixture (cellulase:pectinase) is 1:3,the amount of enzyme 0.020% of substrate weight,2 h of operating time and 50℃ of enzymatic hydrolysis temperature.Under these conditions,juice yield of jujube juice is 84.0%,soluble solids content of jujube juice is 12.8%.
The pilot study on the quality testing of ordinary stong flavour Chinese spirits using the research results of trace flavoring components in white spirit named Wanshanhu
LIU Yan-qi, LIN Hui
2013, 28(3) :9-12. doi: 10.3969/j.issn.2095-476X.2013.03.003
Abstract:
Based on the research results of the trace flavoring components in strong flavour Chinese spirit named Wanshanhu,a data model was defined combining the chromatogram structure components in the white spirits,the target objects are determined as ethyl hexanoate,ethyl lactate,acetic acid,isoamyl alcohol and isovaleric aldehyde.The feasibility of using the data model of the trace flavoring components in strong white spirits as quality criterion was tested through electric nose,and it is proved that the error was within 5%.
Review of application of molecular biotechnology in compost microorganism research
ZHANG Man, WEI Ming-bao, MA Chuang, ZHANG Hong-zhong, ZHAO Ji-hong
2013, 28(3) :13-19. doi: 10.3969/j.issn.2095-476X.2013.03.004
Abstract:
The molecular biotechnology characteristics and application in compost microorganism research were reviewed,including 16S/18S rRNA/DNA sequence analysis,DGGE,SSCP,RFLP,RAPD and AFLP technology.In the future research of compost microorganism,we will complementarily use the traditional separation method and combine molecular biotechnology to achieve a better science result.
Conditions optimization of Arthrobacter Z3 crude enzyme solution degradate nicotine in the Burley tobacco
ZHANG Weng-long, ZHANG Xiang-hui, KOU Xiao-teng, WANG Guang-chao, TIE Jin-xin, MA Lin
2013, 28(3) :20-23. doi: 10.3969/j.issn.2095-476X.2013.03.005
Abstract:
Using the Arthrobacter Z3 as enzyme production strains,the conditions of nicotine dehydrogenase degradation Burley nicotine was studied by orthogonal experiment.The results showed that the best fermentation conditions were:50% of the added amount of the enzyme solution, fermentation temperature 33℃, fermentation time 9 h, tobacco shreds moisture content 70%.Under these conditions nicotine degradation rate was 49.32% and Burley nicotine content reached the same level of flue-cured tobacco.The crude enzyme fluid can significantly reduce nicotine in Burley tobacco.
Study on the model of relation of tobacco lamina structure and cut tobacco structure
YU Na, XIA Yi-feng, ZHU Wen-kui, LUO Deng-yan, LI Hua-jie, HONG Wei-ling
2013, 28(3) :24-28. doi: 10.3969/j.issn.2095-476X.2013.03.006
Abstract:
Based on equality in area before and after tobacco cutting,using PYMJY platometer to measure tobacco lamina area and according to the law of cut tobacco structure influenced by tobacco lamina structure,the model of relation between tobacco lamina with cut tobacco structure was set up.The results showed:The model could predict preferably cut tobacco distribution from different tobacco lamina,the correlation coefficent of predicted and measured value was respectively 0.995 0 from natural tobacco lamina and 0.998 1 from mixed tobacco lamina.The model could support method conducting on optimizing cut lamina structure in threshing re-drying product.
Correlation analysis between non-volatile acids with sensory quality in flue-cured tobacco leaf
CHEN Zhi-yan, LI Xiao-lan, WANG Zheng, ZHOU Xiao, ZENG De-fen, GUO Chun-sheng, ZHANG Jun-song
2013, 28(3) :29-32. doi: 10.3969/j.issn.2095-476X.2013.03.007
Abstract:
The non-volatile acids and sensory quality were determined using 72 tobacco samples of different tobacco-growing areas,the effect of different non-volatile acid content on the smoking quality was studied through the methods of correlation analysis,gray correlation analysis and canonical correlation analysis.The results showed that with the increase of fatty acid content,the aroma quantity,sending sexual,tender degrees,sweetness would significantly increase,and the mixed gas,stimulation and aftertaste would be significantly reduced;Dicarboxylic acid,oxalic acid,malic acid,citric acid,and total non-volatile acid overall formed certain negative correlation with sensory quality; Non-volatile acids had strong influence on tobacco aroma quality,strength,concentration and aroma;There were close relationship among unsaturated fatty acid,malic acid,citric acid,total volatile acid content and aroma quantity,concentration,strength.Aroma quantity and concentration significantly increased when the unsaturated fatty acids significantly increased and citric acid decreased significantly.
Relationship between tobacco aroma functional substance and soil nutrient in the Yunnan tobacco growing area
WANG Chao, CHENG Chang-xin, YANG Ying-ming, LUO Hua-yuan, DONG Shi-fei, LI Mi, WANG Yu, CHANG Shou-rong
2013, 28(3) :33-37. doi: 10.3969/j.issn.2095-476X.2013.03.008
Abstract:
With statistics analysis method,the relationship was studied between the aroma functional substance and soil nutrient in Yunnan tobacco growing area of 359 tobacco samples.The results showed that:Content sequence for aroma functional substance of tobacco leaves was as follows:ketones > esters > alcohols > phenols > furans > aldehydes > nitrogen-heterocyclic compounds.The significant and obvious positively positive correlation between aroma functional substance with the soil nutrient for organic matter,alkali solution nitrogen,available phosphorus and available potassium.The classical correlation analysis confirmed that:in a certain range,with soil nutrient for organic matter,alkali solution nitrogen,available phosphorus and available potassium increased in Yunnan tobacco growing area,the aroma functional substances for ketones,alcohols,aldehydes and nitrogen-heterocyclic compounds had increasing trend.
Statistical analysis of the average quality control domain of filter rod
TAN Qi-zhong, QI Yan-peng, HE Rong, LI Hong-li, HUANG Zhi, LIU Ju-qing, LIU Hua
2013, 28(3) :38-41. doi: 10.3969/j.issn.2095-476X.2013.03.009
Abstract:
To improve the process control accuracy of filter rod,a large number of test data was obtained by experiments,statistical analysis was carried out after grouping test dada and CPK value was introduced to define the quality control domain of filter rod.The results showed that the method using data packets could effectively reduce the random effects;CPK value and regression analysis could be used to determine the filter rod quality indicator control domain;The filter rod quality within control domain was significantly better than the overall level.
An improved Q-learning algorithm based on rough set
GUO Jin-chao, LIU Jie, CUI Guang-zhao
2013, 28(3) :42-45. doi: 10.3969/j.issn.2095-476X.2013.03.010
Abstract:
Q-learning algorithm has a fundamental flaw,that is,prone to error intervals overlap,and thus overestimation of the correct Q-value.These are likely to lead to low convergence speed and continuous decline in the performance of Q-learning,an improved Q-learning algorithm was proposed,that was rough sets Q-learning algorithm.The algorithm can be able to minimize the overestimation caused by Q-values and improve performance of learning through effectively deal with incomplete information and uncertain knowledge.Navigation experiments based on these two algorithms were conducted,the results showed that rough sets Q-learning algorithm had higher efficiency of learning and stronger ability of obstacle avoidance than Q-learning algorithm.
A phrase difference computation approach for area traffic control system based on period of time
ZHI Jun, YAO Ni, XIA Yong-quan, GAN Yong
2013, 28(3) :46-50. doi: 10.3969/j.issn.2095-476X.2013.03.011
Abstract:
The calculation method of phase difference for three schemes of low traffic flow,normal traffic flow and high traffic flow was studied based on regional coordination control.The tradition phase difference calculation method was improved using the strategy which divided high traffic flow into subinterval and phase difference calculation was carried out according to acquisition of the number of cars.The simulation results showed that this method was effective,it can be used for phase difference calculation at different conditions in regional traffic control.
Research of self-adaption gesture tracking algorithm based on the geometric moment
ZHOU Rong-qiang, QUAN Hai-yan, XIONG Zhi-wei, ZHANG Tian-fei
2013, 28(3) :51-55. doi: 10.3969/j.issn.2095-476X.2013.03.012
Abstract:
A new algorithm was proposed which based on the Mean-Shift algorithm. This algorithm can automatically select tracking gestures by combining skin color detection with seeking maximum connected domain;it using image geometric moment to alternate the Mean-Shift vector, and can also effectively track gesture target and achieve the size of tracking window changing along with the gesture's change of size, angle and shape. The experimental results showed that the algorithm can successfully track the dynamic and deformable gestures and capture its trajectory in real time. This algorithm processes about 27 frames persecond, and can meet the real-time requirements.
Mobile augmented reality system based on smart phone texts
FANG Ying
2013, 28(3) :56-60. doi: 10.3969/j.issn.2095-476X.2013.03.013
Abstract:
Aiming at the application of the text recognition technology to the mobile augmented reality,a prototype system based on the mobile augmented reality of the smart phone was developed,which combined the OCR technology with the augmented reality technology.This system tried to achieve the integrated display of real scene and virtual enhancing information on the smart mobile devices.It can identify the text features using the fast,stable character recognition technology,refine the key information about the text using the combination of binary tree and lists,and superimpose the enhancing information correspondingly in the smart phone.The experiment results showed that the proposed method could achieve real-time enhancement according to the displaying text in the smart phone,and was not dependent on servers,easy to carry,versatile to play.
Research and implementation of mobile phone address book management system based on Android
DA Lin-mei
2013, 28(3) :61-64. doi: 10.3969/j.issn.2095-476X.2013.03.014
Abstract:
Aiming at the limited data and inconvenience of browse and query of the traditional mobile phone address book management,the mobile phone adress book management system based on Android was developed.This system used Java language,and was realized in the Eclipse integrated development platform.The database design of the system used SQLite.The system can quickly and conveniently realize address book display,add,delete,modify and query operations.It has a good application prospect.
The dislocated projective synchronization circuitry realization and circuitry simulation of a new three-dimensional chaotic system
WU Yan-min, FANG Jie, HUANG Chun
2013, 28(3) :65-71. doi: 10.3969/j.issn.2095-476X.2013.03.015
Abstract:
A new three-dimensional chaotic system was reported.This new system contains five system parameters and each equation contains nonlinear term.The chaotic behavior and physical realization of this system were verified by multisim circuit simulation software.A nonlinear controller was designed to realize the dislocation projective synchronization of the drive system and the response system.The dislocation projective synchronization which chaotic system state variables change according to different scale factors was achieved by adjusting the variable resistor. The results of the dislocation synchronization circuit showed that this synchronization strategy was simple and physical realizability was high.It could effectively improve the security of confidential communications.
Robust stability of delayed systems with polytopic-type uncertainties
YANG Lu-shan, SHANG Zhan-lei, WANG Dong-shu
2013, 28(3) :72-74. doi: 10.3969/j.issn.2095-476X.2013.03.016
Abstract:
By defining a parameter-dependent Lyapunov functional,using a reciprocally convex combination technique and a relax method of linear matrix inequality (LMI),a robust stability criterion with less conservatism and less complexity was obtained.Some numerical examples showed that the new criterion was better than the existing results.
Design of nonlinear controller of STATCOM based on Hamilton energy theory
WEI Yun-bing, YANG Wei-jie
2013, 28(3) :75-78,82. doi: 10.3969/j.issn.2095-476X.2013.03.017
Abstract:
The practical mathematic model of synchronous generator was established in the static synchronous compensator (STATCOM) of single machine infinite bus power system.Based on Hamilton energy theory,the new nonlinear controller was designed between the STATCOM which was installed in bus voltage of system and synchronous machine excitation.This controller directly uses the energy as the storage function.Compared with other nonlinear controllers,this controller has the advantage of the fast stability and the capability of quelling the disturbance.Since the nonlinear control structure retains all in this design,it does not need the linearization.The proposed STATCOM controller is more robust than linear control method.The simulation results showed that the proposed controller could faster meet generator excitation and STATCOM access point voltage transient stability than conventional PID control under the subjection to the three-phase short circuit fault.
Application of the wavelet transform analysis method in harmonic energy measurement
HU Zhi-hong, DU Xiao-ran
2013, 28(3) :79-82. doi: 10.3969/j.issn.2095-476X.2013.03.018
Abstract:
Aiming at the problem that more and more nonlinear loads of power system lead to the pollution of electrical network harmonic,the wavelet transform method was put forward based on Mallat arithmetic in order to improve accuracy of measuring.This method picked up every existent harmonic of the signal by using its multi-resolution analysis,realized the measurement of harmonic parameters within each band and tracked observation of harmonic change.The simulation results proved that the method was feasible and effective.
Design on data acquisition system of electronic current transformer
FENG Qiao-ling, PEI Yong-zhan
2013, 28(3) :83-85. doi: 10.3969/j.issn.2095-476X.2013.03.019
Abstract:
With the STM32F107RB as the controller,and the scheme of passive pillar type as the design scheme,the data acquisition system of electronic current transformer was designed.The signal was transmitted to low voltage side through the cable to improve the reliability of electronic circuit.On the grounds of multi-channel data acquisition,integrated chip of LMP2014MT was taken as amplifier to amplify the small signal by different gains,so that the quantification error of AD conversion was reduced to improve the precision of the acquisition.Hardware design used powerful STM32 to control AD conversion and then to transmit signal to merging unit.This system can simplify electronic circuit and improve the precision while strengthening the stability of circuit.
Numerical simulation of fire risk of large-scale supermarket
ZHU Lei
2013, 28(3) :86-88. doi: 10.3969/j.issn.2095-476X.2013.03.020
Abstract:
Taking a supermarket as example, the temperature and height of smoke were studied according to whether the sprinkler was functioning using CFAST software.The results showed that the automatic sprinkler system could effectively reduce the smoke layer temperature and height,the ASET (available safety egress time) was less than RSET (required safety egress time) when the sprinkler was not functioning, occupants can not evacuate safely.When the the sprinkler was functioning, smoke layer temperature and height did not meet the dangerous state of the occupant safe evacuation,the ASET was greater than RSET, hence, occupants could evacuate safely from the supermarket.
Analysis of the high fill embankment stability and strengthening effects for mountain-side soft clay foundation
GUO Li-qun, DAI Jun-tao, CHEN Ya-jun, PENG Xing-qian
2013, 28(3) :89-93. doi: 10.3969/j.issn.2095-476X.2013.03.021
Abstract:
With one section of a subgrade engineering project in Fujian,the mountain-side soft foundation of high fill embankment as example,by finite element software GeoStudio,which combined with the limit equilibrium and finite element modeling,a dynamic analysis was performed on the mountain-side soft foundation of high fill embankment.The results showed that the method was effective in the stability evaluation of the mountain-side soft foundation of high fill embankment slope,especially when the safety coefficient closes to 1.0,the finite element simulation of the strain deformation can be combined to determine more accurately embankment slope stability,which can provide a reference for the similar slope stability evaluation in future.
Finite element analysis and experimental verification of axial properties of square hollow section T-joints
WANG Jiang, CHEN Yu
2013, 28(3) :94-97. doi: 10.3969/j.issn.2095-476X.2013.03.022
Abstract:
A finite element model simulating the behavior of square hollow section (SHS) T-joints was established and nonlinear finite element was calculated by ABAQUS software.The failure mode,deformation process and ultimate capacity of SHS T-joints were validated by comparing with experimental results.The results showed that,under the effect of axial pressure,chord flange failure and web bulking failure occurred.The specimens have stronger deformation capacity during the whole loading process.As the value of β decreases,the stress strengthening and the ductility of specimens increase.As the value of β increasesd,the ultimate capacity increasesd.The finite element simulating is similar to the test result.
Some new criterion for nonsingular H-matrices
CUI Run-qing, YAN Xue-hua
2013, 28(3) :98-101. doi: 10.3969/j.issn.2095-476X.2013.03.023
Abstract:
New judging method of non-singular H-matrices was given through appropriately improving some results based on the matrix itself elements.Numerical examples showed that new criterion had greater advantages than the original results.
Chaos synchronization control of a class of discrete complex dynamic network system
MENG Xiao-ling, MAO Bei-xing
2013, 28(3) :102-104. doi: 10.3969/j.issn.2095-476X.2013.03.024
Abstract:
Chaos synchronization of a class of discrete complex network was studied.Based on Lyapunov stability theory,the conclusion was drawn that discrete complex network was chaos synchronization.The results proved the effectiveness of the method.
Risk analysis of cellphone maintain closed-loop supply chain in remanufacturing
SHA Quan-you, CUI Yin-fei, LUAN Meng-kai
2013, 28(3) :105-108. doi: 10.3969/j.issn.2095-476X.2013.03.025
Abstract:
In order to improve the weak chain of closed-loop supply in remanufacturing,on the basis of risk type analysis,a risk index system of reliability was structured.The weight of various risk index was obtained through combining AHP with entropy weight method,therefore,the influence degrees was calculated and the subjectivity of expert's evaluation was reduced.It laid the foundation of improving closed-loop supply chain risk in remanufacturing.
Journal Information

Founded in 1986, bimonthly

Administered by:The Education Department Henan Province

Sponsored by:Zhengzhou University of Light Industry

Editor-in-chief:Wei Shizhong

Executive Editor-in-Chief:Zou Lin

Deputy Editor-in-Chief:Qu Shuanghong

Edited & published by:Editorial Department of Journal of Light Industry

CN 41-1437/TS

ISSN 2096-1553

Address:136 Science Avenue, Zhengzhou City, Henan Province, China

Postal Code:450001

Tel:(086)0371-86608635
(086)0371-86608633

Email:qgxb@zzuli.edu.cn
qgxb1986@163.com

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