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189 results on '"Wang, W.W."'

12. CcpS mutant

Author

Tang, J.S., primary, Ran, T.T., additional, Wang, W.W., additional, and Fan, H.J., additional

Published
2023
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14. Thermodynamic assessment of the Pb-Sr system

Author

Zhang H., Zhang C., Wang W.W., Du Y., Zhou P., Hu B., Liu Z., Wang J.C., and Wang J.

Subjects
Pb-Sr system, thermodynamics, phase diagram, first-principles calculations, Mining engineering. Metallurgy, TN1-997
Abstract

The Pb-Sr system has been critically reviewed and modeled by means of the CALPHAD (CALculation of PHAse Diagrams) approach. It contains seven stoichiometric compounds, i.e. SrPb3, Sr3Pb5, Sr2Pb3, SrPb, Sr5Pb4, Sr5Pb3 and Sr2Pb, in which the SrPb3 and Sr2Pb phases melt congruently, and the other five phases form via peritectic reactions. The enthalpies of formation for the intermetallic compounds at 0 K are provided by first-principles calculations. The liquid, fcc and bcc phases are modeled as substitutional solution phases. Both Redlich-Kister and exponential polynomials are used to describe the excess Gibbs energy of the liquid. Two sets of self-consistent thermodynamic parameters are obtained by considering reliable experimental data and the computed enthalpies of formation. Comprehensive comparisons between the calculated and measured phase diagram and thermodynamic data show that the experimental information is satisfactorily accounted for by the present thermodynamic description.

Published
2017
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15. The detector system of the Daya Bay reactor neutrino experiment

Author

An, F.P., Bai, J.Z., Balantekin, A.B., Band, H.R., Beavis, D., Beriguete, W., Bishai, M., Blyth, S., Brown, R.L., Butorov, I., Cao, D., Cao, G.F., Cao, J., Carr, R., Cen, W.R., Chan, W.T., Chan, Y.L., Chang, J.F., Chang, L.C., Chang, Y., Chasman, C., Chen, H.Y., Chen, H.S., Chen, M.J., Chen, Q.Y., Chen, S.J., Chen, S.M., Chen, X.C., Chen, X.H., Chen, X.S., Chen, Y.X., Chen, Y., Cheng, J.H., Cheng, J., Cheng, Y.P., Cherwinka, J.J., Chidzik, S., Chow, K., Chu, M.C., Cummings, J.P., de Arcos, J., Deng, Z.Y., Ding, X.F., Ding, Y.Y., Diwan, M.V., Dong, L., Dove, J., Draeger, E., Du, X.F., Dwyer, D.A., Edwards, W.R., Ely, S.R., Fang, S.D., Fu, J.Y., Fu, Z.W., Ge, L.Q., Ghazikhanian, V., Gill, R., Goett, J., Gonchar, M., Gong, G.H., Gong, H., Gornushkin, Y.A., Grassi, M., Greenler, L.S., Gu, W.Q., Guan, M.Y., Guo, R.P., Guo, X.H., Hackenburg, R.W., Hahn, R.L., Han, R., Hans, S., He, M., He, Q., He, W.S., Heeger, K.M., Heng, Y.K., Higuera, A., Hinrichs, P., Ho, T.H., Hoff, M., Hor, Y.K., Hsiung, Y.B., Hu, B.Z., Hu, L.M., Hu, L.J., Hu, T., Hu, W., Huang, E.C., Huang, H.Z., Huang, H.X., Huang, P.W., Huang, X., Huang, X.T., Huber, P., Hussain, G., Isvan, Z., Jaffe, D.E., Jaffke, P., Jen, K.L., Jetter, S., Ji, X.P., Ji, X.L., Jiang, H.J., Jiang, W.Q., Jiao, J.B., Johnson, R.A., Joseph, J., Kang, L., Kettell, S.H., Kohn, S., Kramer, M., Kwan, K.K., Kwok, M.W., Kwok, T., Lai, C.Y., Lai, W.C., Lai, W.H., Langford, T.J., Lau, K., Lebanowski, L., Lee, J., Lee, M.K.P., Lei, R.T., Leitner, R., Leung, J.K.C., Lewis, C.A., Li, B., Li, C., Li, D.J., Li, F., Li, G.S., Li, J., Li, N.Y., Li, Q.J., Li, S.F., Li, S.C., Li, W.D., Li, X.B., Li, X.N., Li, X.Q., Li, Y., Li, Y.F., Li, Z.B., Liang, H., Liang, J., Lin, C.J., Lin, G.L., Lin, P.Y., Lin, S.X., Lin, S.K., Lin, Y.C., Ling, J.J., Link, J.M., Littenberg, L., Littlejohn, B.R., Liu, B.J., Liu, C., Liu, D.W., Liu, H., Liu, J.L., Liu, J.C., Liu, S., Liu, S.S., Liu, X., Liu, Y.B., Lu, C., Lu, H.Q., Lu, J.S., Luk, A., Luk, K.B., Luo, T., Luo, X.L., Ma, L.H., Ma, Q.M., Ma, X.Y., Ma, X.B., Ma, Y.Q., Mayes, B., McDonald, K.T., McFarlane, M.C., McKeown, R.D., Meng, Y., Mitchell, I., Mohapatra, D., Monari Kebwaro, J., Morgan, J.E., Nakajima, Y., Napolitano, J., Naumov, D., Naumova, E., Newsom, C., Ngai, H.Y., Ngai, W.K., Nie, Y.B., Ning, Z., Ochoa-Ricoux, J.P., Olshevskiy, A., Pagac, A., Pan, H.-R., Patton, S., Pearson, C., Pec, V., Peng, J.C., Piilonen, L.E., Pinsky, L., Pun, C.S.J., Qi, F.Z., Qi, M., Qian, X., Raper, N., Ren, B., Ren, J., Rosero, R., Roskovec, B., Ruan, X.C., Sands, W.R., III, Seilhan, B., Shao, B.B., Shih, K., Song, W.Y., Steiner, H., Stoler, P., Stuart, M., Sun, G.X., Sun, J.L., Tagg, N., Tam, Y.H., Tanaka, H.K., Tang, W., Tang, X., Taychenachev, D., Themann, H., Torun, Y., Trentalange, S., Tsai, O., Tsang, K.V., Tsang, R.H.M., Tull, C.E., Tung, Y.C., Viaux, N., Viren, B., Virostek, S., Vorobel, V., Wang, C.H., Wang, L.S., Wang, L.Y., Wang, L.Z., Wang, M., Wang, N.Y., Wang, R.G., Wang, T., Wang, W., Wang, W.W., Wang, X.T., Wang, X., Wang, Y.F., Wang, Z., Wang, Z.M., Webber, D.M., Wei, H.Y., Wei, Y.D., Wen, L.J., Wenman, D.L., Whisnant, K., White, C.G., Whitehead, L., Whitten, C.A., Jr., Wilhelmi, J., Wise, T., Wong, H.C., Wong, H.L.H., Wong, J., Wong, S.C.F., Worcester, E., Wu, F.F., Wu, Q., Xia, D.M., Xia, J.K., Xiang, S.T., Xiao, Q., Xing, Z.Z., Xu, G., Xu, J.Y., Xu, J.L., Xu, J., Xu, W., Xu, Y., Xue, T., Yan, J., Yang, C.G., Yang, L., Yang, M.S., Yang, M.T., Ye, M., Yeh, M., Yeh, Y.S., Yip, K., Young, B.L., Yu, G.Y., Yu, Z.Y., Zeng, S., Zhan, L., Zhang, C., Zhang, F.H., Zhang, H.H., Zhang, J.W., Zhang, K., Zhang, Q.X., Zhang, Q.M., Zhang, S.H., Zhang, X.T., Zhang, Y.C., Zhang, Y.H., Zhang, Y.M., Zhang, Y.X., Zhang, Z.J., Zhang, Z.Y., Zhang, Z.P., Zhao, J., Zhao, Q.W., Zhao, Y.F., Zhao, Y.B., Zheng, L., Zhong, W.L., Zhou, L., Zhou, N., Zhou, Z.Y., Zhuang, H.L., Zimmerman, S., and Zou, J.H.

Published
2016
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17. The muon system of the Daya Bay Reactor antineutrino experiment

Author

An, F.P., Balantekin, A.B., Band, H.R., Beriguete, W., Bishai, M., Blyth, S., Brown, R.E., Butorov, I., Cao, G.F., Cao, J., Carr, R., Chan, Y.L., Chang, J.F., Chang, L., Chang, Y., Chasman, C., Chen, H.S., Chen, H.Y., Chen, Q.Y., Chen, S.J., Chen, S.M., Chen, X.C., Chen, X.H., Chen, Y., Chen, Y.X., Cheng, Y.P., Cherwinka, J.J., Chu, M.C., Cummings, J.P., Dale, E., de Arcos, J., Deng, Z.Y., Ding, Y.Y., Diwan, M.V., Draeger, E., Du, X.F., Dwyer, D.A., Edwards, W.R., Ely, S.R., Fu, J.Y., Ge, L.Q., Gill, R., Goett, J., Gonchar, M., Gong, G.H., Gong, H., Gu, W.Q., Guan, M.Y., Guo, X.H., Hackenburg, R.W., Han, G.H., Hans, S., He, M., He, Q., Heeger, K.M., Heng, Y.K., Hinrichs, P., Hor, Y.K., Hsiung, Y.B., Hu, B.Z., Hu, L.J., Hu, L.M., Hu, T., Hu, W., Huang, E.C., Huang, H.X., Huang, H.Z., Huang, X.T., Huber, P., Hussain, G., Isvan, Z., Jaffe, D.E., Jaffke, P., Jetter, S., Ji, X.L., Ji, X.P., Jiang, H.J., Jiao, J.B., Johnson, R.A., Kang, L., Kebwaro, J.M., Kettell, S.H., Kramer, M., Kwan, K.K., Kwok, M.W., Kwok, T., Lai, W.C., Lai, W.H., Lau, K., Lebanowski, L., Lee, J., Lei, R.T., Leitner, R., Leung, A., Leung, J.K.C., Lewis, C.A., Li, D.J., Li, F., Li, G.S., Li, Q.J., Li, W.D., Li, X.N., Li, X.Q., Li, Y.Z.B., Liang, H., Lin, C.J., Lin, G.L., Lin, P.Y., Lin, S.K., Link, J.M., Littenberg, L., Littlejohn, B.R., Liu, D.W., Liu, H., Liu, J.C., Liu, J.L., Liu, S.S., Liu, Y.B., Lu, C., Lu, H.Q., Luk, K.B., Ma, Q.M., Ma, X.B., Ma, X.Y., Ma, Y.Q., McDonald, K.T., McFarlane, M.C., McKeown, R.D., Meng, Y., Mitchell, I., Mohapatra, D., Morgan, J.E., Nakajima, Y., Napolitano, J., Naumov, D., Naumova, E., Nemchenok, I., Newsom, C., Ngai, H.Y., Ngai, W.K., Ning, Z., Ochoa-Ricoux, J.P., Olshevski, A., Patton, S., Pec, V., Pearson, C.E., Peng, J.C., Piilonen, L.E., Pinsky, L., Pun, C.S.J., Qi, F.Z., Qi, M., Qian, X., Raper, N., Ren, B., Ren, J., Rosero, R., Roskovec, B., Ruan, X.C., Shao, B.B., Steiner, H., Sun, G.X., Sun, J.L., Tam, Y.H., Tang, X., Themann, H., Tsang, K.V., Tsang, R.H.M., Tull, C.E., Tung, Y.C., Viren, B., Virostek, S., Vorobel, V., Wang, C.H., Wang, L.S., Wang, L.Y., Wang, L.Z., Wang, M., Wang, N.Y., Wang, R.G., Wang, W., Wang, W.W., Wang, X., Wang, Y.F., Wang, Z., Wang, Z.M., Webber, D.M., Wei, H.Y., Wei, Y.D., Wen, L.J., Whisnant, K., White, C.G., Whitehead, L., Wilhelmi, J., Wise, T., Wong, H.L.H., Wong, S.C.F., Worcester, E., Wu, Q., Xia, D.M., Xia, J.K., Xia, X., Xing, Z.Z., Xu, G.H., Xu, J., Xu, J.L., Xu, J.Y., Xu, Y., Xue, T., Yan, J., Yang, C.G., Yang, L., Yang, M.S., Yang, M.T., Ye, M., Yeh, M., Yeh, Y.S., Young, B.L., Yu, G.Y., Yu, J.Y., Yu, Z.Y., Zang, S.L., Zhan, L., Zhang, C., Zhang, F.H., Zhang, J.W., Zhang, K., Zhang, Q.M., Zhang, S.H., Zhang, Y.H., Zhang, Y.M., Zhang, Y.X., Zhang, Z.J., Zhang, Z.P., Zhang, Z.Y., Zhao, J., Zhao, Q.W., Zhao, Y., Zhao, Y.B., Zheng, L., Zhong, W.L., Zhou, L., Zhou, Z.Y., Zhuang, H.L., and Zou, J.H.

Published
2015
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38. Digital gap monitor and adaptive integral control for auto-jumping in EDM

Author

Wang, W.W., Rajurkar, K.P., and Akamatsu, K.

Subjects
Machining -- Research, Adaptive control -- Research, Electrical machinery -- Monitoring, Engineering and manufacturing industries, Science and technology
Abstract

This paper reports a monitoring and adaptive integral control strategy for EDM to regulate the cycle time of the periodical retraction (jumping) of the tool electrode according to the gap condition. A digital EDM gap monitor has been developed to detect the time ratios of gap states with a resolution of 0.2 [[micro]second]. The theoretical and experimental analysis of the effect of sensing parameter combinations on control aspects and performance of manual setting integral control and adaptive integral control methods have been carried out. Experimental verification shows that the proposed system results in higher erosion rate, better machining stability, and complete avoidance of arc damage.

Published
1995

39. Regulation of serotonin-induced DNA synthesis of bovine pulmonary artery smooth muscle cells

Author

Lee, S.-L., Wang, W.W., Lanzillo, J.J., and Fanburg, B.L.

Subjects
Serotonin -- Analysis, Biological transport -- Observations, Smooth muscle -- Analysis, Biological sciences
Abstract

Membrane transport of serotonin (5-HT) that causes tyrosine phosphorylation is involved in 5-HT-induced thymidine incorporation by smooth muscle cells. Activation of DNA synthesis and c-myc and actin mRNA expression by 5-HT are blocked by imipramine, fluoxetine, staurosporine and cholera toxin. 5-HT enhances c-myc and actin mRNAs prior to activation of thymidine incorporation into cellular DNA.

Published
1994

40. Serotonin produces both hyperplasia and hypertrophy of bovine pulmonary artery smooth muscle cells in culture

Author

Lee, S.-L., Wang, W.W., Lanzillo, J.J., and Fanburg, B.L.

Subjects
Pulmonary artery -- Research, Smooth muscle -- Research, Serotonin -- Analysis, Biological sciences
Abstract

Proliferation of pulmonary artery and aortic smooth muscle cell (SMC) but not of endothelial cells or fibroblasts result from serotonin (5-HT). Prior to activation of (3H)thymidine incorporation c-myc and alpha- and beta-actin gene expressions of pulmonary SMC are enhanced. The gene expression of 5-HT is blocked by actinomycin D and not by cycloheximide.

Published
1994

45. Temperature susceptibility of a mesophilic anaerobic membrane bioreactor treating saline phenol-containing wastewater

Author

Muñoz Sierra, Julian (author), Wang, W.W. (author), Cerqueda Garcia, D. (author), Oosterkamp, M.J. (author), Spanjers, H. (author), van Lier, J.B. (author), Muñoz Sierra, Julian (author), Wang, W.W. (author), Cerqueda Garcia, D. (author), Oosterkamp, M.J. (author), Spanjers, H. (author), and van Lier, J.B. (author)

Abstract

This study examined the temperature susceptibility of a continuous-flow lab-scale anaerobic membrane bioreactor (AnMBR) to temperature shifts from 35 °C to 55 °C and its bioconversion robustness treating synthetic phenolic wastewater at 16 gNa+.L−1. During the experiment, the mesophilic reactor was subjected to stepwise temperature increases by 5 °C. The phenol conversion rates of the AnMBR decreased from 3.16 at 35 °C to 2.10 mgPh.gVSS−1.d−1 at 45 °C, and further decreased to 1.63 mgPh.gVSS−1.d−1 at 50 °C. At 55 °C, phenol conversion rate stabilized at 1.53 mgPh.gVSS−1.d−1 whereas COD removal efficiency was 38% compared to 95.5% at 45 °C and 99.8% at 35 °C. Interestingly, it was found that the phenol degradation process was less susceptible for the upward temperature shifts than the methanogenic process. The temperature increase implied twenty-one operational taxonomic units from the reactor's microbial community with significant differential abundance between mesophilic and thermophilic operation, and eleven of them are known to be involved in aromatic compounds degradation. Reaching the upper-temperature limits for mesophilic operation was associated with the decrease in microbial abundance of the phyla Firmicutes and Proteobacteria, which are linked to syntrophic phenol degradation. It was also found that the particle size decreased from 89.4 μm at 35 °C to 21.0 μm at 55 °C. The accumulation of small particles and higher content of soluble microbial protein-like substances led to increased transmembrane pressure which negatively affected the filtration performance. Our findings indicated that at high salinity a mesophilic AnMBR can tolerate a temperature up to 45 °C without being limited in the phenol conversion capacity., Sanitary Engineering

Published
2018
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46. Impact of long-term salinity exposure in anaerobic membrane bioreactors treating phenolic wastewater: Performance robustness and endured microbial community

Author

Muñoz Sierra, Julian (author), Oosterkamp, M.J. (author), Wang, W.W. (author), Spanjers, H. (author), van Lier, J.B. (author), Muñoz Sierra, Julian (author), Oosterkamp, M.J. (author), Wang, W.W. (author), Spanjers, H. (author), and van Lier, J.B. (author)

Abstract

Industrial wastewaters are becoming increasingly associated with extreme conditions such as the presence of refractory compounds and high salinity that adversely affect biomass retention or reduce biological activity. Hence, this study evaluated the impact of long-term salinity increase to 20 gNa+.L−1 on the bioconversion performance and microbial community composition in anaerobic membrane bioreactors treating phenolic wastewater. Phenol removal efficiency of up to 99.9% was achieved at 14 gNa+.L−1. Phenol conversion rates of 5.1 mgPh.gVSS−1.d−1, 4.7 mgPh.gVSS−1.d−1, and 11.7 mgPh.gVSS−1.d−1 were obtained at 16 gNa+.L−1,18 gNa+.L−1 and 20 gNa+.L−1, respectively. The AnMBR's performance was not affected by short-term step-wise salinity fluctuations of 2 gNa+.L−1 in the last phase of the experiment. It was also demonstrated in batch tests that the COD removal and methane production rate were higher at a K+:Na+ ratio of 0.05, indicating the importance of potassium to maintain the methanogenic activity. The salinity increase adversely affected the transmembrane pressure likely due to a particle size decrease from 185 μm at 14 gNa+.L−1 to 16 μm at 20 gNa+.L−1. Microbial community was dominated by bacteria belonging to the Clostridium genus and archaea by Methanobacterium and Methanosaeta genus. Syntrophic phenol degraders, such as Pelotomaculum genus were found to be increased when the maximum phenol conversion rate was attained at 20 gNa+.L−1. Overall, the observed robustness of the AnMBR performance indicated an endured microbial community to salinity changes in the range of the sodium concentrations applied., Sanitary Engineering

Published
2018
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47. Role of Exogenous 24-Epibrassinolide in Enhancing the Salt Tolerance of Wheat Seedlings

Author

Dong, Y.J, Wang, W.W, Hu, G.Q, Chen, W.F, Zhuge, Y.P, Wang, Z.L, and He, M.R

Subjects
antioxidative systems, wheat, Salt stress, food and beverages, EBR, ion accumulation
Abstract

To understand the functions of exogenous 24-Epibrassinolide (EBR) in enhancing the salt tolerance of wheat (T. aestivum L.) seedlings to salt stress, a hydroponic experiment was performed to investigate the effects of EBRon chlorophylls,root activity, H+-ATPase, malondialdehyde (MDA), electrolyte leakage, free proline, soluble protein, reactive oxygen species (ROS), antioxidant enzymes and minerals content in wheat plants subjected to non-stress conditions or salt stress (120 mM NaCl) with foliar application of EBR (1, 10 and 100 nM). Results showed that spray of low concentrations EBR (1 and 10 nM) under non-stress conditions could promote wheat plant growth. 120 mM NaCl induced osmotic stress, oxidative stress and imbalance in mineral nutrients absorption. However, EBR enhanced the ability of resistance to osmotic stress by increasing free proline and soluble protein content, and enhanced the ability of resistance to oxidative stress by increasing antioxidant enzymes activities. As a result of increase of chlorophyll content, root activity and H+-ATPase activity, the inhibition of K, Ca, Mg, Fe and Zn uptake was ameliorated and consequently, decline in plant growth induced by NaCl stress was alleviated. Based on these results, we conclude that EBR had a positive role in regulating wheat growth and development under salt stress, and spray of 10 nM EBR had the most significant alleviating effect against NaCl toxicity.

Published
2017

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