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Articles by Chao Wang
Total Records ( 8 ) for Chao Wang
  Chao Wang and Zhifei Zhang
  We prove the global well-posedness for the 2-D Boussinesq system with the temperature-dependent viscosity and thermal diffusivity.
  Libin Xu , Yaqi Liu , Xia Zhu , Jinhua Wang and Chao Wang
  The process for flocculation of lotus leaf beverage by using soyabean protein was investigated in this study. Processing factors were soybean heating temperature, NaOH concentration and soybean heating time. Genetic algorithm-artificial neural network model was used to optimize the different influencing factors on flocculation. Back-propagation network was chosen as the network model. Weights and basis of network was optimized using genetic algorithm. The developed GA-ANN which included 9 hidden neurons could predict clarifies degrees of lotus leaf beverage with correlation of 0.94. The results indicating that GA-ANN model provided an accurate prediction for lotus leaf clarify beverage degrees.
  Chao Wang , Chunlan Jiang , Liang Mao and Xinyi Cheng
  In the fragmentation ammunition design and analysis process, difficulties to choose adequate calculation models are remarkable and affect the design efficiency. Recent development of Knowledge-Based Systems (KBS) has made widespread applications in different areas. However, few attempts have been made to apply KBS in the analysis of fragmentation ammunitions. In this study, the application rules of analysis models were studied and a performance analysis expert system was developed using Knowledge-Based Engineering (KBE) for fragmentation ammunitions. In the development of the prototype system, the hybrid knowledge representation techniques including rule system, objected-oriented system were applied and an inference and calculation mechanism with blackboard architecture was established. Visual C++ and relational database were employed to facilitate the prototype system. The system can be combined with a quick design platform and proved to be practical. It lays a foundation for further study on quick design system for fragmentation ammunitions.
  Farman Ali Siyal , Mohamed Ezzat Abd El-Hack , Mahmoud Alagawany , Chao Wang , Xioli Wan , Jintian He , Mingfa Wang , Lili Zhang , Xiang Zhong , Tian Wang and Kuldeep Dhama
  Background and Objective: Lecithin is a feed supplement and dietary source of several active compounds; therefore, this study evaluated the Soybean Lecithin (SL) in broiler diets by measuring performance, nutrient utilization, serum parameters and hepatic antioxidant status. Methodology: About 216 days old Arbor Acre broiler chicks were allotted into three groups as follow: the first group was fed a Basal Diet (BD) without emulsifier; the second and third groups were fed basal diet supplemented with 0.05 (SL0.05) and 0.1% (SL0.10) of SL, respectively. Results: During starter, grower and overall period, chicken fed with SL has better daily gain and feed intake compared with control, while feed conversion was improved in SL0.10 throughout the experiment compared to SL0.05 and control. At 21 and 42 days old, SL0.10 showed highest relative liver weight compared to SL0.05 and control (p<0.05). On day 21, digestibility of dry matter, ether extract and protein in chickens fed diet with SL0.10 was significantly improved in comparison with those fed SL0.05 and control. Cholesterol, triglyceride and low density lipoprotein concentrations were decreased in SL0.10 group in comparison with control. Serum glucose was higher in SL0.10 group compared to SL0.05 and control. Feeding SL0.10 resulted in the decreased hepatic malondialdehyde content and remarkably increased catalase, total superoxide dismutase and total antioxidant capacity enzyme activities. Conclusion: Feeding soy lecithin at 0.10% improved performance, reduced cholesterol and triglyceride, LDL-cholesterol concentrations in serum broilers. In addition, soy lecithin is suitable for improving antioxidant status and has ability to protect against oxidative stress.
  Ming Zhao , Hong-Bo Chen , Xiang-Dong Liu , Chao Wang , Jing-Ying Guo , Min-Hui He , Shu-Hong Zhao and Meng-Jin Zhu
  Microarray technology has been widely applied in the research area of animal genetics and breeding. In the earlier stage of microarray data analysis, the non-specific filtering is a common procedure which has been used increase the detection rate of differentially expressed genes. In this investigation, researchers use the data from Affymetrix GeneChip Porcine Genome Array to comparatively assess the effects of different non-specific filtering methods on the results of transcriptome analysis. The research results showed that the MAS5, ET and IQR filters could increase but the I/NI-calls method could decrease the number of differentially expressed genes. Here into, the IQR filter has the largest detection rate. Furthermore, the two-way combinations with IQR filter have the similar increasing effect on differentially expressed gene detection. It is concluded that not all non-specific filtering methods could increase the detection rate in microarray data analyses and the IQR filter could be considered as a preferred choice when improvement in the detection rate is needed on some occasions.
  Chun Yang , Qing-Lun Wang , Guo-Tao Tang , Chao Wang , Shi-Ping Yan and Dai-Zheng Liao
  Reaction of Co(OAc)2 · 4H2O with N-(2-hydroxybenzyl)salicylaldimine (H2La) in dimethylformamide (DMF)-H2O yields a linear trinuclear mixed valence complex [CoIII(μ-La)(μ-Lb)(μ-OAc)]2CoII · 2DMF (1). Here, HLb is salicylaldimine, which is afforded by an in situ transformation of H2La via cleavage of the C-N bond. Complex 1 has been characterized by X-ray crystallography as well as elemental analysis, UV-Vis, and IR spectroscopy. The cathodic and anodic responses of 1 in DMF appeared at -1.46 V (CoIII → CoII, quasi-irreversible) and +0.99 V (CoII → CoIII, irreversible) versus saturated calomel electrode, respectively. The magnetic behavior of 1 has been analyzed by the one-ion approximation with spin-orbit coupling in Oh symmetry giving λ = -121 cm-1.
  Chao Wang , Jianwu Zhao , Yan Wang , Nan Lou , Qiang Ma and Xingguang Su
  Stable, monodisperse CdTe quantum dots (QDs) capped with mercaptosuccinic acid were prepared facilely in aqueous medium, which were deposited on the quartz slides to form multilayer films by electrostatic interactions with poly(dimethyldiallyl ammonium chloride) (PDDA). The PDDA/QDs multilayer films are easily fabricated and show high photostability. The fluorescence of the multilayer films could be quenched effectively by Hg (II) ions without obvious shift in maximum photoluminescence emission wavelength, which can be used for the detection of Hg (II) ions. The electron transfer process between the capping ligands and Hg (II) ions should be mainly responsible for the remarkable quenching effect of Hg (II) ions. Under optimal conditions, the quenched fluorescence intensities of multilayer films are perfectly described by modified Stern–Volmer equation with the concentration of Hg (II) ions ranging from 0.01 μM to 1 μM.
  Yong LI , Lin Zhang YANG and Chao WANG
  Field experiments were performed to identify an effective fertilizing scheme for direct-seeding rice (DSR) fields in the Taihu Lake Basin in east China. Based on local traditions, 3 typical fertilizing schemes (FS-1, FS-2, and FS-3) were evaluated, in consideration of ensuring a certain rice yield and relatively low nitrogen (N) loss. The base, seedling, tillering, jointing, and panicle fertilizers for FS-1 were all 20% of 270 kg N ha-1, those for FS-2 were 30%, 30%, 0%, 25%, and 15% of 270 kg N ha-1, and 15%, 20%, 25%, 20%, and 20% of 220 kg N ha-1 for FS-3, respectively. The results show that the majority of fertilizer N for DSR should be applied as topdressing fertilizer and not as base fertilizer as in transplanted rice cultivation. Increasing base fertilizer would not significantly improve the growth or yield of rice due to the low uptake of N during the seedling stage, and in turn would lead to greater N loss. Under FS-1, FS-2, and FS-3, N loss was 91.4, 103.1, and 70.5 kg ha-1, respectively, via surface runoff, volatilization, and leaching. Furthermore, using different fertilizer N methods during the rice growing season led to different N uptake by rice plants. In the present study N uptake by rice was measured at 108, 91, and 102 kg N ha-1 under FS-1, FS-2, and FS-3, respectively. At the same time, the rice yield with FS-1, FS-2, and FS-3 was 8530, 7780, and 8620 kg ha-1, respectively. In modern agricultural management an effective fertilizer scheme should simultaneously benefit both rice yield and the water environment. As a result, FS-3 was used in this study for DSR cultivation in the Taihu Lake Basin, which resulted in good rice yield and totally reducing N loss of 20.9-32.6 kg N ha-1.
 
 
 
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