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330 results on '"Zhang, Y.C."'

18. 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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38. Prediction of densification and microstructure evolution for α-Al2O3 during pressureless sintering at low heating rates based on the master sintering curve theory

Author

Shao W.Q., Chen S.O., Li D., Cao H.S., Zhang Y.C., and Zhang S.S.

Subjects
α-Al2O3, pressureless sintering, master sintering curve, microstructure evolution, Chemical technology, TP1-1185
Abstract

The master sintering curve (MSC), in which the sintered density is a unique function of the integral of a temperature function over time, is insensitive to the heating path. Densification of α-Al2O3 with the mean particle size of 2.5μm was continuously recorded during heating at 0.5, 2 and 5oC/min. A MSC was successfully constructed using dilatometry data with the help of a combined-stage sintering model. The validity of the MSC was verified by seveal experimental runs. The microstructural evolution with densification during different heating-rate sintering was explored. The sintered microstructure is a function of the time-temperature sintering conditions, and it is verified that there exists a link between sintered density and microstructure. The MSC can be used to predict and control microstructure evolution during sintering of α-Al2O3 ceramics.

Published
2008
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43. An Efficient Layer Construction Method to Generate Accurate Printing Toolpaths of Periodic Cellular Structures for Selective Laser Melting Process

Author

Tan, S.J., Zhang, X., Ding, L.P., and Zhang, Y.C.

Subjects
toolpaths, periodic cellular structures, selective laser melting, layer construction
Abstract

Limited by stereolithography file format, current data processing in additive manufacturing (AM) processing chain is time-consuming and has a loss of model precision in data transformation. However, both the CAD software and AM machine accept the input of more convenient and high-precision mathematical curve expressions. A predefined curved scanning pattern can be achieved in a galvanometer scanning system of selective laser melting (SLM) process, which can improve the scanning accuracy and efficiency for the shapes that can be represented by mathematical functions, e.g., circle. Therefore, this study proposes a layer construction-based method to directly generate the toolpaths for cellular structure with large file size. To demonstrate the proposed method, a case study on the toolpath generation for a flame arrestor element with a large quantity of curved fine channels, is presented. Compared with the conventional printing preparation methods, the proposed method reduces up to 90% of the total preparation time and achieves higher quality toolpaths.

Published
2021
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49. Effect of phytase supplementation to a low- and a high-phytate diet for growing pigs on the digestibilities of crude protein, amino acids, and energy

Author

Liao, S.F, Kies, A.K., Sauer, W.C., Zhang, Y.C., Cervantes, M., and He, J.M.

Subjects
Amino acids -- Nutritional aspects, Swine -- Food and nutrition, Zoology and wildlife conservation
Abstract

Supplementation of microbial phytase usually improves the digestibility and utilization of phosphorus in feedstuffs of plant origin. The effect of phytase supplementation on the digestibilities of AA also has been examined, but the results have been inconsistent. This study was carried out to determine the effect of phytase (Natuphos) supplementation, at a rate of 2,000 phytase units/kg, to two basal diets on the apparent ileal digestibilities (AID) of GE, CP, and AA, and on the apparent total-tract digestibilities (ATTD) of CP and GE. The basal diets contained 18% CP and were formulated (as-fed basis) to contain either a low (0.22%) or high content (0.48%) of phytate P. The high-phytate diet contained 20% rice bran, which is a rich source of phytate and has low intrinsic phytase activity. Eight barrows (average initial BW = 40.6 kg), fitted with a simple T-cannula at the distal ileum, were fed the four diets according to a replicated 4 x 4 Latin square design. The pigs were fed twice daily at 0800 and 2000, equal amounts each meal, at a rate of 2.4 times the daily maintenance requirement for ME. Each experimental period comprised 14 d. Ileal digesta were collected from 0800 to 2000 on d 12, 13, and 14. Feces were collected from 0800 on d 8 until 0800 on d 12. Chromic oxide was used as the digestibility marker. The AID of GE, CP, and AA and the ATTD of CP and GE were less in the high- than in the low-phytate diet (P < 0.01). With the exception of glutamic acid, phytase supplementation did not affect (P > 0.10) the AID of CP and AA. There was no effect (P > 0.05) of phytase on the ATTD of CP and GE. These results show that if a response occurs to phytase supplementation, it is independent of the dietary phytate content. Key Words: Amino Acids, Crude Protein, Ileal Digestibility, Phytase, Phytate, Swine

Published
2005

50. Effect of phytase supplementation to diets for weanling pigs on the digestibilities of crude protein, amino acids, and energy

Author

Liao, S.F., Sauer, W.C., Kies, A.K., Zhang, Y.C., Cervantes, M., and He, J.M.

Subjects
Amino acids -- Health aspects, Amino acids -- Physiological aspects, Amino acids -- Research, Swine -- Food and nutrition, Swine -- Observations, Swine -- Research, Zoology and wildlife conservation
Abstract

Four experiments were conducted with weanling pigs fitted with a simple T-cannula at the distal ileum, to determine the effect of phytase supplementation to four diets on the apparent ileal digestibilities (AID) of CP and AA, and the apparent total-tract digestibilities (ATTD) of CP and DE. Phytase (Natuphos, DSM Food Specialties, Delft, The Netherlands) was supplemented at rates of 0, 500 or 1,000 FTU/kg to the four diets. A 20% CP (as-fed basis) corn-soybean meal diet was used in Exp. 1; a 20% CP wheat-soybean meal diet in Exp. 2; a 20% CP wheat-soybean mealcanola meal diet in Exp. 3; and a 19% CP barley-peascanola meal diet in Exp. 4. In each experiment, six barrows, fitted with a simple T-cannula at the distal ileum, were fed the basal plus phytase-supplemented diets according to a repeated 3 x 3 Latin square design. Each experimental period comprised 14 d. The piglets were at fed 0800 and 2000 daily, equal amounts for each meal, at a daily rate of at least 2.4 times the maintenance requirement for ME. Feces were collected from 0800 on d 8 until 0800 on d 12 of each experimental period. Ileal digesta were collected from 0800 to 2000 on d 12, 13, and 14. Chromic oxide was used as the digestibility marker. The average initial and final BW (average of all experiments) were 7.9 and 16.5 kg, respectively. Phytase supplementation did not improve the AID of CP and AA in Exp. 1, 2, and 4; however, there were improvements (P < 0.05) or tendencies (P < 0.10) toward improvements in the AID of CP and AA or the ATTD of CP and the content of DE with phytase supplementation in Exp. 3. These results suggest that the AA response factor to microbial phytase supplementation depends on diet composition. Key Words: Amino Acids, Digestibility, Energy, Phytase, Piglets

Published
2005

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