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Experimental study on polishing performance of CeO2 and nano-SiO2 mixed abrasive

In this paper, superfine SiO2 nanoparticles are utilized as composite abrasive additive to improve the polishing property of CeO2, which is prepared through chemical precipitation method by rare-earth chloride as raw materials, silicofluoric acid as fluoride, Na2CO3 as modifier, and NH4HCO3 as precipitator. XRD, SEM, particle size analyzer, and atomic force microscopy are applied...

Self-Adaptive -Means Based on a Covering Algorithm

The -means algorithm is one of the ten classic algorithms in the area of data mining and has been studied by researchers in numerous fields for a long time. However, the value of the clustering number in the -means algorithm is not always easy to be determined, and the selection of the initial centers is vulnerable to outliers. This paper proposes an improved -means clustering...

Modeling of methane formation in gravity sewer system: the impact of microorganism and hydraulic condition

Sewer system is an important source of methane formation and emission. Although some models were developed to predict methane production in sewers, the impact of microorganism amount was indicated indirectly. Here, seven laboratory scale sewers with varied wall-shear stresses were established. The biofilm thickness, microorganism amount, DO distribution, microorganism community...

Correlation between lymphatic endothelial markers and lymph node status or N-staging of colorectal cancer

Wang 1 Qiang He 0 0 Department of Hepatobiliary Surgery, Beijing Chaoyang Hospital, Capital Medical University , Beijing , China 1 State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer

Correlation between lymphatic endothelial markers and lymph node status or N-staging of colorectal cancer

Wang 1 Qiang He 0 0 Department of Hepatobiliary Surgery, Beijing Chaoyang Hospital, Capital Medical University , Beijing , China 1 State Key Laboratory of Molecular Oncology, Cancer Institute and Cancer

Genetic variation architecture of mitochondrial genome reveals the differentiation in Korean landrace and weedy rice

Mitochondrial genome variations have been detected despite the overall conservation of this gene content, which has been valuable for plant population genetics and evolutionary studies. Here, we describe mitochondrial variation architecture and our performance of a phylogenetic dissection of Korean landrace and weedy rice. A total of 4,717 variations across the mitochondrial...

Treatment and outcome of intestinal perforation after liver transplant surgery in adults: a single-center experience

PowerdbyTCPDF(ww.tcpdf.org) O R i g i n a l R e s e a R C h Ren lang 4 Qiang he 4 *These authors contributed equally to this work Objective: Intestinal perforation is a rare complication after liver

Genome-wide association study of eating and cooking qualities in different subpopulations of rice (Oryza sativa L.)

Background Starch and protein are two major components of polished rice, and the amylose and protein contents affect eating and cooking qualities (ECQs). In the present study, genome-wide association study with high-quality re-sequencing data was performed for 10 ECQs in a panel of 227 non-glutinous rice accessions and four derived panels. Results Population structure accounted...

Comparative proteomics illustrates the complexity of drought resistance mechanisms in two wheat (Triticum aestivum L.) cultivars under dehydration and rehydration

the results of this article are included within the article and its additional files. Authors’ contributions Feng Zhang designed the study. Lixiang Cheng, Yuping Wang and Qiang He performed the

A case report of successful treatment of 90° knee flexion contracture in a patient with adult-onset Still’s disease

Background Severe knee flexion contractures greater than 80° are rare and challenging to manage. Previous studies have demonstrated unsatisfactory clinical results after correcting these deformities because residual flexion contractures were not corrected within a short period of time. We herein report the case of a patient with adult-onset Still’s disease with 90° of bilateral...

Fertilization Independent Endosperm genes repress NbGH3.6 and regulate the auxin level during shoot development in Nicotiana benthamiana

 Fukuda 0 Xin-Qiang He 1 James Murray, Cardiff University 0 Department of Biological Sciences, Graduate School of Science, The University of Tokyo , Bunkyo-ku, Tokyo 113-0033 , Japan 1 State Key Laboratory

Cooperative Cloud Service Aware Mobile Internet Coverage Connectivity Guarantee Protocol Based on Sensor Opportunistic Coverage Mechanism

In order to improve the Internet coverage ratio and provide connectivity guarantee, based on sensor opportunistic coverage mechanism and cooperative cloud service, we proposed the coverage connectivity guarantee protocol for mobile Internet. In this scheme, based on the opportunistic covering rules, the network coverage algorithm of high reliability and real-time security was...

Combined effects of fruit and vegetables intake and physical activity on the risk of metabolic syndrome among Chinese adults

MetS. Author Contributions Conceptualization: Qi-qiang He. Data curation: Xin-tong Li, Wei Liao. Formal analysis: Xin-tong Li, Wei Liao, Hong-jie Yu, Ming-wei Liu, Shuai Yuan, Bo-wen Tang ... . Methodology: Xin-tong Li, Wei Liao, Hong-jie Yu, Ming-wei Liu, Shuai Yuan, Bo-wen Tang, Xu-hao Yang, Yong Song, Samuel D. Towne, Jr. Project administration: Zong-fu Mao, Qi-qiang He. Resources: Shi-le Cheng

Sleep quality, daytime sleepiness and health-related quality-of-life in maintenance haemodialysis patients

Objectives To assess the relationship between sleep quality, daytime sleepiness and health-related quality-of-life (HRQoL) in Chinese patients undergoing maintenance haemodialysis (MHD).

China’s Coastal Wetlands: Understanding Environmental Changes and Human Impacts for Management and Conservation

Shanghai, middle China, and for aquaculture in Zhanjiang, southern China, respectively. Photo credits: Qiang He several indices extracted from SPOT satellite images, including length, area change rate, and

Modeling and Simulation of Buck-Boost Converter with Voltage Feedback Control

In order to design the control system, it is necessary to have an exact model of buck-boost converter. This paper put forward the transfer function model of buck-boost converter by the state-space average method. The open-loop transfer function model of uncompensated system is deduced according to the mathematic model of the buck-boost converter, the controller is designed...

Impact Parameter Dependence of Ratio in Probing the Nuclear Symmetry Energy Using Heavy-Ion Collisions

The impact parameter dependence of ratio is examined in heavy-ion collisions at 400 MeV/nucleon within a transport model. It is shown that the sensitivity of ratio on symmetry energy shows a transition from central to peripheral collisions; that is, the stiffer symmetry energy leads to a larger ratio in peripheral collisions while the softer symmetry energy always leads this...

Research on the Dynamics of Crankshaft Under the Condition of Operating Mode Based on LS-DYNA

A model of crankshaft under working condition is established based on LS-DYNA. The stress distributions of crankshaft and its regularities of the stress along surface of crankshaft and layer depth at the fillet are studied. The results show that the obvious stress concentration exist in the upper end of fillet on main journal and the lower end of fillet on rod journal when the...

The Genome of Nosema sp. Isolate YNPr: A Comparative Analysis of Genome Evolution within the Nosema/Vairimorpha Clade

The microsporidian parasite designated here as Nosema sp. Isolate YNPr was isolated from the cabbage butterfly Pieris rapae collected in Honghe Prefecture, Yunnan Province, China. The genome was sequenced by Illumina sequencing and compared to those of two related members of the Nosema/Vairimorpha clade, Nosema ceranae and Nosema apis. Based upon assembly statistics, the Nosema...

Functional Characterization of a Ketoreductase-Encoding Gene med-ORF12 Involved in the Formation of a Stereospecific Pyran Ring during the Biosynthesis of an Antitumor Antibiotic Medermycin

Medermycin, a polyketide antibiotic, possesses strong bioactivity against a variety of tumors through a novel mechanism and is structurally featured with a pyran ring containing two chiral centers (3S and 15R). By far the biosynthetic origin of such enantiomerical conformations still remains obscure. In the present study, we reported the functional characterization of a proposed...