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| 1 | Profiles of muscular amino acids,fatty acids,and metabolites in Shaziling pigs of different ages and relation to meat quality显示文摘Pork meat is closely related to physicochemical alterations during growth and development,resulting in differences in nutritional value and meat flavor.This study aimed to evaluate the composition of amino acids,fatty acids,and metabolic profiles in the longissimus thoracis muscle(LM)of Shaziling pigs aged 30,90,150,210,and 300 days.The results showed that the predominant fatty acids identified in the LM of Shaziling pigs were C16:0,C16:1,C18:0,C18:1n9c,and C18:2n6c.An opposite correlation was observed for C18:2n6c and n6/n3 polyunsaturated fatty acids(P<0.05).Alanine,aspartate,glutamate,Dglutamine,and D-glutamate metabolism were the main metabolic pathways for the Shaziling pig meat flavor(P<0.05).Moreover,the correlation coefficients revealed that the contents of anserine,C16:0,C16:1,and C18:1n9c were positively correlated with intramuscular fat and/or p H24hand were negatively correlated with the values of L^(*)(lightness)and b^(*)(yellowness)(P<0.05).In conclusion,age greatly affected the meat quality of Shaziling pigs,and the contents of muscular anserine,C16:0,C16:1,and C18:1n9c might be promising indicators for better meat quality. | Yehui Duan Changbing Zheng Jie Zheng Lu Ma Xinran Ma Yinzhao Zhong Xichen Zhao Fengna Li Qiuping Guo Yulong Yin | 2023 | Science China(Life Sciences)2023，66，6： | 2 |
| 2 | Synthesis and application of starch-graft-poly (AM-co-AMPS) by using a complex initiation system of CS-APS显示文摘 | Song Hui Zhang Shufen Ma Xichen | 2007 | Carbohydrate Polymers2007，69，1： | 1 |
| 3 | Synthesis and application of starch-graft-poly(AM-co-AMPS)by using a complex initiation system of CS-APS显示文摘 | Song Hui Zhang Shufen Ma Xichen et a1 | 2006 | Carbohydrate Polymers2006，69，1： | 1 |
| 4 | ,Synthesis and applicaion of starch-graft-poly(AM-co-AMPS) by using a complex initiation system of CS-APS显示文摘 | Song Hui Zhang Shufen Ma Xichen et a1 | 2006 | Carbohydrate Polymers2006，69，1： | 1 |
| 5 | Synthesis and application of starch-graft-poly (AM-co-AMPS) by using a complex initiation system of CS-APS 显示文摘 | Song Hui Zhang Shufen Ma Xichen | 2007 | Carbohydrate Polymers2007，69，： | 1 |
| 6 | Synthesis and application of starch-graft-poly (AM-co-AMPS) by using a complex initiation system of CS-APS显示文摘 | Song Hui Zhang Shufen Ma Xichen | | 0，，： | 1 |
| 7 | Brief report: An epidemiologic Survey of the prevalence of sleep disorder among children to years old in Beijing, China显示文摘 | Xichen Liu Yuyan Ma Yizhuo Wang | 2005 | Pediatrics2005，115，： | 1 |
| 8 | Numerical Study of the Effect of Imaginary Circle Diameter and Initial Flow Field on the Aerodynamic Field in a Tangentially Fired Furnace显示文摘In this paper, the effect of the imaginary circle diameter opi and the initial flow field on the aerodynamic field in a tangentially fired furnace was studied by numerical simulation and experiments in the cold model. Results show that merely reducing the imaginary circle diameter rki can not significantly reduce the rotatiollal diameter op in the range considered. The flow still rotates coullter-clockwise stably and does not change rotation direction when the direction of all jet axes are defiected suddenly to the opposite rotation direction by up to 5.4' in a countereclockwise llow field. It is the first time that the numerical sAnulation results were obtained which agreed quite well with this experimental phenomena qualitatively. The experimental data, i.e., the rotational diameter & and the maximum velocity on the syrnmetric central line of fUrnace Vm, are only a bit larger than the simulation results. It is shown that the initial flow field has an important influence on the aerodynamic field in the furnace. Other measures have to be taken as wel1 in order to reduce & to resist slagging and high temperature corrosion of furnace tubes. Moreover, a new kind of grid arrangement was proposed in this paper, which can reduce effectively the false diffosion at the exit zone of burner. | Zhu Tong Sun Shaozeng Xia Chunyi An Baizeng Wu Shaohua Qin Yukun(School of Energy Science and Engineering, Harbin Institute of Technology, 150001, Harbin, China)Ma Xichen(Haxbin Boiler Works) | 1997 | Journal of Thermal Science1997，6，2： | 1 |
| 9 | Injectable biodegradable temperature-responsive PLGA-PEG-PLGA copolymers: synthesis and effect of copolymer- composition on the drug release from the copolymer-based hydrogels 显示文摘 | QIAO Mingxi CHEN Dawei MA Xichen | 2005 | Int J Pharma2005，294，12： | 1 |
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