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| 1 | Evaluation and prediction of earth pressure balance shield performance in complex rock strata:A case study in Dalian,China显示文摘This research explores the potential for the evaluation and prediction of earth pressure balance shield performance based on a gray system model.The research focuses on a shield tunnel excavated for Metro Line 2 in Dalian,China.Due to the large error between the initial geological exploration data and real strata,the project construction is extremely difficult.In view of the current situation regarding the project,a quantitative method for evaluating the tunneling efficiency was proposed using cutterhead rotation(R),advance speed(S),total thrust(F)and torque(T).A total of 80 datasets with three input parameters and one output variable(F or T)were collected from this project,and a prediction framework based gray system model was established.Based on the prediction model,five prediction schemes were set up.Through error analysis,the optimal prediction scheme was obtained from the five schemes.The parametric investigation performed indicates that the relationships between F and the three input variables in the gray system model harmonize with the theoretical explanation.The case shows that the shield tunneling performance and efficiency are improved by the tunneling parameter prediction model based on the gray system model. | Xiang Shen Dajun Yuan Xing-Tao Lin Xiangsheng Chen Yuansheng Peng | 2023 | Journal of Rock Mechanics and Geotechnical Engineering2023，15，6： | 1 |
| 2 | Preparation of a novel pH-respon- sive silver nanoparticle/poly (HEMA-MAA) composite hydrogel 显示文摘 | Yuanqing Xiang Dajun Chen | 2007 | European Polymer Journal2007，43，10： | 1 |
| 3 | A new polymer/clay nano-composite hydrogel with improved response rate and tensile mechanical proprties显示文摘 | Xiang Yuanqing Peng Zhiqin Chen Dajun | 2006 | European Polymer Journal2006，42，9： | 1 |
| 4 | Mechanism of low--temperature adhesion failure in as phalt mixtures with dense--suspension and void--skel eton structures显示文摘 | Zheng Chuanfeng Zhao Dajun Xiang Nailiang | 2012 | Construction and Building Materi als2012，，36： | 1 |
| 5 | 子宫内膜间质肉瘤保留生育功能治疗体会(英文)显示文摘The paper introduced the experience of a case of recurrence of endometrial stromal sarcoma with fertility conservation treatment after full-term delivery. A 24-year-old unmarried patient who, with her increasing amount of menstruation in the late six months, had a mass in her lower-abdominal which was confirmed by B-ultrasonic diagnosis as myometrium mixed mass, was given an enucleation of uterus tumor. The pathological examination of tumor sample revealed it as lowgrade endometrial stromal sarcoma (LESS). And the patient underwent 6 cycles of chemotherapy over 8 months before she got pregnant and had a full-term delivery. But in 34 months after delivery, the disease recurred with metastatic of pelvic and peritoneal cavity and the patient had to receive comprehensive therapy. Conclusion: The unmarried young patient with stage I low-grade endometrial stromal sarcoma has the chance to preserve uterus for her pregnancy and delivery. But the using of cesarean needs do staging operation and prognosis evaluation. | Dajun Xiang Youyi Yang Hua Zhao | 2009 | The Chinese-German Journal of Clinical Oncology2009，8，9： | 1 |
| 6 | PROG1 acts upstream of LAZY1 to regulate rice tiller angle as a repressor显示文摘Rice tiller angle,as a component of plant architecture,affects rice grain yield via plant density.However,the molecular mechanism underlying rice tiller angle remains elusive.We report that the key domestication gene PROSTRATE GROWTH 1(PROG1)controls rice tiller angle by regulating shoot gravitropism and LAZY1(LA1)-mediated asymmetric distribution of auxin.Acting as a transcriptional repressor,PROG1 negatively regulates the expression of LA1 in light-grown rice seedlings.Overexpression of LA1 partially rescued the larger tiller angle of the PROG1 complementation transgenic plant(prog1-D).Double-mutant analysis showed that PROG1 acts upstream of LA1 to regulate shoot gravitropism and tiller angle.Mutation of Suppressors of lazy1(SOL1),encoding DWARF3(D3)acting in the strigolactone signal pathway,suppressed the large tiller angle of prog1-D by rescuing the transcription of LA1.The discovery of a light-sensitive PROG1-LA1 transcription regulatory module controlling rice shoot gravitropism and tiller angle sheds light on the genetic control of rice tiller angle. | Han Zhang Xiang Li Dajun Sang Linzhou Huang Yuqi Song Mengchen Du Jiajia Cao Wenguang Wang | 2023 | The Crop Journal2023，11，2： | 0 |
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