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The minimum-norm least-squares solution of a linear system and symmetric rank-one updates

UPDATES∗ XUZHOU CHEN† AND JUN JI‡ AMS subject classifications. 15A06, 15A09, 65F05. 1. Introduction. Throughout this paper we shall use the standard notations in [ 2, 14 ]. Cn and Cm×n stand for the n ... least-squares algorithm of [ 4 ]. 482 Xuzhou Chen and Jun Ji The rest of the paper is organized as follows. The existing results on MoorePenrose inverse of symmetric rank-one perturbed matrix will be

Advancing metabolic engineering of Yarrowia lipolytica using the CRISPR/Cas system

 HuangEduard J. KerkhovenXiao-Jun Ji Open Access Mini-Review First Online: 21 September 2018 2 Shares 376 Downloads Abstract The oleaginous yeast Yarrowia lipolytica is widely used for the

Enhancing biomass and lipid accumulation in the microalgae Schizochytrium sp. by addition of fulvic acid and EDTA

Enhancing lipid productivity and reducing oxidative damage is essential for lipid overproduction in microalgae. In this study, addition of 20 mg/L fulvic acid (FA) resulted a 34.4% increase of lipid yield in Schizochytrium sp. Furthermore, the cooperative effect of FA and EDTA on cell growth and lipid production was investigated. The combined addition of 20 mg/L FA and 1.0 g/L...

Theoretical and Experimental Analysis of the Hydraulic Actuator Used in the Active Reflector System

In order to improve the control quality of the active reflector system which is used in the 500 m aperture spherical radio telescope (FAST) project, a study on hydraulic actuator is proposed. The dynamic performance of hydraulic actuator is due to the interaction of several physical phenomena. Modeling of such a system needs a unified approach to represent the nonlinear behavior...

Theoretical and Experimental Analysis of the Hydraulic Actuator Used in the Active Reflector System

In order to improve the control quality of the active reflector system which is used in the 500 m aperture spherical radio telescope (FAST) project, a study on hydraulic actuator is proposed. The dynamic performance of hydraulic actuator is due to the interaction of several physical phenomena. Modeling of such a system needs a unified approach to represent the nonlinear behavior...

Theoretical and Experimental Analysis of the Hydraulic Actuator Used in the Active Reflector System

In order to improve the control quality of the active reflector system which is used in the 500 m aperture spherical radio telescope (FAST) project, a study on hydraulic actuator is proposed. The dynamic performance of hydraulic actuator is due to the interaction of several physical phenomena. Modeling of such a system needs a unified approach to represent the nonlinear behavior...

Efficacy, safety, and resistance profile of osimertinib in T790M mutation-positive non-small cell lung cancer in real-world practice

; CPK, creatinine phosphokinase; CTCAE, Common Terminology Criteria for Adverse Events; WBC, white blood cell. (DOCX) Author Contributions Conceptualization: Dong Kyu Oh, Won Jun Ji, Woo Sung Kim, Chang ... -Min Choi, Shin-Kyo Yoon, Jin Kyung Rho, Jae Cheol Lee. Data curation: Dong Kyu Oh, Won Jun Ji, Woo Sung Kim, Chang-Min Choi, Shin-Kyo Yoon, Jin Kyung Rho, Jae Cheol Lee. Formal analysis: Dong Kyu Oh

Difference of molecular alterations in HER2-positive and HER2-negative gastric cancers by whole-genome sequencing analysis

Difference of molecular alterations in HER2-positive and HER2-negative gastric cancers by whole-genome sequencing analysis Chenfei Zhou,1,* Xiaojing Feng,2,* Fei Yuan,3 Jun Ji,4 Min Shi,1 Yingyan Yu

Nickel-catalyzed reductive thiolation and selenylation of unactivated alkyl bromides

Scholar Search for Shun-Yi Wang in:Nature Research journals • PubMed • Google Scholar Search for Shun-Jun Ji in:Nature Research journals • PubMed • Google Scholar Contributions Y.F., L.A., S.Y.W., and ... . Competing interests The authors declare no competing interests. Corresponding authors Correspondence to Shun-Yi Wang or Shun-Jun Ji. Electronic supplementary material Supplementary InformationPeer Review

Computational Study of Ternary Devices: Stable, Low-Cost, and Efficient Planar Perovskite Solar Cells

Although perovskite solar cells with power conversion efficiencies (PCEs) more than 22% have been realized with expensive organic charge-transporting materials, their stability and high cost remain to be addressed. In this work, the perovskite configuration of MAPbX (MA = CH3NH3, X = I3, Br3, or I2Br) integrated with stable and low-cost Cu:NiO x hole-transporting material, ZnO...

The Antigastric Cancer Activity of San Leng Powder Extract Induces Apoptosis in Balb/C Bearing-SGC-7901 Mice

, Jiangsu 210000, China 5Nanjing Source Origin Biotechnology Co., Ltd., Nanjing, Jiangsu 210000, China Correspondence should be addressed to Ai-Jun Ji; moc.361@eciffojaj Received 18 December 2016; Revised

The Antigastric Cancer Activity of San Leng Powder Extract Induces Apoptosis in Balb/C Bearing-SGC-7901 Mice

, Jiangsu 210000, China 5Nanjing Source Origin Biotechnology Co., Ltd., Nanjing, Jiangsu 210000, China Correspondence should be addressed to Ai-Jun Ji; moc.361@eciffojaj Received 18 December 2016; Revised

The Antigastric Cancer Activity of San Leng Powder Extract Induces Apoptosis in Balb/C Bearing-SGC-7901 Mice

, Jiangsu 210000, China 5Nanjing Source Origin Biotechnology Co., Ltd., Nanjing, Jiangsu 210000, China Correspondence should be addressed to Ai-Jun Ji; moc.361@eciffojaj Received 18 December 2016; Revised

PKM2 promotes cell migration and inhibits autophagy by mediating PI3K/AKT activation and contributes to the malignant development of gastric cancer

Pyruvate kinase M2 (PKM2) is a key kinase of glycolysis and is characteristic of all proliferating cells. The role of PKM2 in gastric cancer (GC) is still ambiguous and yet to be determined. To better understand the role of PKM2 in both the migration and invasion of GC, we measured the expression of PKM2 in GC cell lines using qRT-PCR and western blot. The prognostic value of...

A giant infiltrating angiolipoma of the mediastinum: a case report

Background Angiolipoma is a rare benign neoplasm composed of mature fatty tissue and multiple small abnormal blood vessels. Infiltrating mediastinal angiolipoma is an extremely rare tumor associated with delayed diagnosis. Case presentation A 42-year-old woman was presented with 3-month history of mild chest tightness. Imaging of the chest showed a large mass with fat densities...

Emotion Analysis of Telephone Complaints from Customer Based on Affective Computing

Customer complaint has been the important feedback for modern enterprises to improve their product and service quality as well as the customer’s loyalty. As one of the commonly used manners in customer complaint, telephone communication carries rich emotional information of speeches, which provides valuable resources for perceiving the customer’s satisfaction and studying the...

Culture and gambling fallacies

Euro-Canadians and Chinese typically hold different theories about change; Euro-Canadians often engage in linear thinking whereas Chinese often engage in non-linear thinking. The present research investigated the effects of culture-specific theories of change in two related gambling fallacies: the gambler’s fallacy (GF; the belief that one is due for a win after a run of losses...

Review of Clinical Studies of the Treatment of Ulcerative Colitis Using Acupuncture and Moxibustion

Received 22 August 2016; Accepted 10 October 2016 Academic Editor: Paolo Gionchetti Copyright © 2016 Jun Ji et al. This is an open access article distributed under the Creative Commons Attribution License ... acupuncture and moxibustion on UC will be better observed in the future. Competing Interests The authors declare that they have no competing interests. Authors’ Contributions Jun Ji, Yan Huang, and Xia-Fei Wang

Review of Clinical Studies of the Treatment of Ulcerative Colitis Using Acupuncture and Moxibustion

Received 22 August 2016; Accepted 10 October 2016 Academic Editor: Paolo Gionchetti Copyright © 2016 Jun Ji et al. This is an open access article distributed under the Creative Commons Attribution License ... acupuncture and moxibustion on UC will be better observed in the future. Competing Interests The authors declare that they have no competing interests. Authors’ Contributions Jun Ji, Yan Huang, and Xia-Fei Wang