The three years of the global outbreak have posed great physical, mental and spiritual challenges to the older population. The design of road facilities and guidance system related to the daily life of the elderly is not perfect, and it is urgent to solve the aging related design problems, so that the elderly feel more care from the society in the old life. Harbin is the first city in China with an alpine subway system, and the subway is the main place where the flow of people is concentrated and the necessary facilities of the city. Through the questionnaire survey of the elderly passengers, the field survey of the subway and the data analysis, the aging characteristics of the elderly, which are caused by the constant change of age, are analyzed. This paper analyzes the problems and deficiencies of the existing aging design of Harbin subway station and the regional cultural characteristics of Harbin subway.........

Key words: Interactive system; Harbin Metro; Aging design; epidemic

[1]. Li Hongyu. Analysis on Problems and Countermeasures of Urban Rail Transit Operation Management [J]. Industry and Technology Forum. 2021,21(08)
[2]. Guan Ying, Zhang Xinmeng, Zhang Yizhuo. Research on the Design of Navigation Products for the Elderly in Subway Travel [J]. Packaging Engineering,2018.07.20
[3]. LingJu. Interaction Design in the Design of Subway Guide System [J]. Journal of Beijing Institute of Printing, 2021.12
[4]. Cao Xin. Interaction Design in the Design of Beijing Subway Guide System [J]. Packaging Engineering, 2014.
[5]. Kevin. Analysis of urbanization development under the background of population aging [J]. Industrial Innovation Research, 2022.06

This study developed an effective and reliable model for the prediction of wax and asphaltene deposition in crude oil facilities. Regular solution theory was used to develop the model taking into account that four phases are present at the time of deposition. The crude oil was characterized into five pseudo-components using the result obtained from hydrocarbon analysis using Gas chromatography with flame ionization detector and SARA analysis. Equilibrium constants of the phases were determined for each of the pseudo-components thereafter, the regular solution model parameters were determined using recently developed corrections for solubility parameter, density, molar volume and gas phase fugacity..........

Key words: Regular solution model, wax and asphaltene deposition

[1]. Abedini, R., & Abedini, A. (2011). Development of an Artificial Neural Network Algorithm for the Prediction of Asphaltene Precipitation. Petroleum Science and Technology, 29, 1565-1577.
[2]. Adesina, F., Anthony, A., Ako, c., & Olawale, D. (2010). Modeling of Wax Deposition During oil Production Using a Two-Phase Flash Calculation . Petroleum and Coal, Research Gate.
[3]. Agwu, O. E., Akpabio, J. U., Alabi, S. B., & Dosunmu, A. (2018). Artificial intelligence techniques and their applications in drilling fluid engineering; A review . journal of Petroleum Science and Engineering , PETROL 4871.
[4]. Ahmadi, A. M. (2012). Neura network based unified particle swarm optimization for prediction of asphaltene precipitation . Fluid Phase Equilibria, 314, 46-51.
[5]. Anand, N. (2018). Review of Asphaltene Properties and Precipitation Modeling. Texas: The University of Texas of Austin.

This research gives a thorough study into the effect of clinker bed height and the thermodynamics process involved clinker cooling process. Performance of a clinker coolers plays a critical role in energy recovery from the discharged clinkers from rotary kiln and also pre-heating of the air used for combustion (Calcination). Improper cooling of clinker inside the clinker cooler is a global challenge in cement plant and this has adverse effect on the entire cement production process and quality of cement. These will lead to cement lumps formation inside cement silos, quick gypsum dehydration inside grinding/crushing chamber and false setting of cement. A three (3-D) model of the clinker bed was developed using SolidWorks.........

Key words: Clinker Cooler; Computation Fluid Dynamics; Mass Flow Rate; Bed Height; Clinker Temperature.

[1]. Hendriks C, Worrell E, Jager D, Blok K, Riemer P. (2014). "Emission reduction of greenhouse gases from the cement industry. In: Greenhouse gas control technologies conference paper cement‟, http://www.ieagreen.org.uk/; accessed 2018.
[2]. Oyepata SJ, Akintunde MA, Dahunsi OA , Yaru SS, Idowu E T (2020). MODELLING OF CLINKER COOLER AND EVALUATION OF ITS PERFORMANCE IN CLINKER COOLING PROCESS FOR CEMENT PLANTS. Nigeria Journal of Technology 39(4): 1093-1099.
[3]. Oyepata SJ , Akintunde MA , Dahunsi OA , Yaru SS, Idowu E T (2021). Impact of Specific Number of Air to Clinker on Clinker Cooling Process in Grate Coolers in a Cement Plant. International Conference on Engineering for Sustainable World (ICESW 2020). IOP Conf. Series: Materials Science and Engineering 1107 (2021): 1-19.
[4]. Worrell E, Galisky C. (2008). Energy, efficiency, improvement and cost saving opportunities for cement making, An ENERGYSTAR guide for energy and plant managers. National Laboratory Environmental Energy Technologies Division.
[5]. Mundhara P, Sharma S. (2005). "Modeling of clinker cooler: Applications to reduction in energy consumption‟. Report: II year Chemical engineering, IIT Madras.

Breast cancer is the most common malignancy of women and is the second most common and leading cause of cancer deaths among them. At present, there are no effective ways to prevent breast cancer, because its cause is not yet fully known. Early detection is an effective way to diagnose and manage breast cancer can give a better chance of full recovery. This paper gives a clear idea of classification from the mammogram image to find cancer affected area which is a crucial step in breast cancer detection. The output of the classifier differentiates the normal, benign and malignant cases from applied digital mammographic images.

Key words: ANN classification, breast cancer, malignant, mammogram image.

[1]. Yousif M.Y Abdallah, Sami Elgak, Hosam Zain, Mohammed Rafiq, Elabbas A. Ebaid, Alaeldein A. Elnaema," Breast cancer detection using image enhancement and segmentation algorithms", Biomedical Research, Vol. 29, Issue.20: Pg. 3732-3736, 2018.
[2]. R. Guzmán-Cabrera · J. R. Guzmán-Sepúlveda · M. Torres-Cisneros · D. A. May-Arrioja J. Ruiz-Pinales · O. G. Ibarra-Manzano · G. Aviña-Cervantes · A. González Parada, Digital Image Processing Technique for Breast Cancer Detection, Springer, International Journal Thermophys, Vol 34, Pg. 1519–1531, 2013.
[3]. Angayarkanni.N, Kumar.D and Arunachalam.G, "The Application of Image Processing Techniques for Detection and Classification of Cancerous Tissue in Digital Mammograms", journal of pharmaceutical sciences and research, Vol. 8(10), 1179-1183, 2016.
[4]. Dr.D.Devakumari, V. Punithavathi, Study of Breast Cancer Detection Methods using Image Processing with Data Mining Techniques, International Journal of Pure and Applied Mathematics, Volume 118 No. 18 2018, 2867-2873.
[5]. Baran, A., Kurrant, D., Zakaria, A., Fear, E., & LoVetri, J. (2014, July). Breast cancer imaging using microwave tomography with radar-derived prior information. In IEEE Radio Science Meeting (Joint with AP-S Symposium), 2014 USNC-URSI, pp. 259-259.

Low power testing is a breakthrough in the modern integrated design world. Digital devices embedded with BIST are designed to work in normal and test mode. Increased activation of embedded architectures and application of large number of test patterns during testing leads to excess power consumption during test mode. Increase in power consumption during testing damages the packages, Circuit Under Test (CUT) and also reliability of the devices. The survey briefs the need for low power transition testing, the concept of transition fault testing and describes existing techniques to minimize power during transition fault testing. The intent of the survey is to identify and develop an efficient power minimization technique with highest fault coverage.

Key words: ATPG; LOC; LOS; Scan path organization; Test vector ordering; Transition fault testing.

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[3] S. Chakravarty and V. P. Dabholkar, "Two techniques for minimizing power dissipation in scan circuits during test application," Proceedings of IEEE 3rd Asian Test Symposium (ATS), Nara, Japan, 1994, pp. 324-329.
[4] M. Geilert, J. Alt and M. Zimmermann, "On the efficiency of the transition fault model for delay faults," 1990 IEEE International Conference on Computer-Aided Design. Digest of Technical Papers, Santa Clara, CA, USA, 1990, pp. 272-275.
[5] M. Tehranipoor and K. M. Butler, "Power Supply Noise: A Survey on Effects and Research," in IEEE Design & Test of Computers, vol. 27, no. 2, pp. 51-67, March-April 2010.