PO-011 Effect of Exercise on the Body Composition of Simple Obesity in China: A Meta-analysis

Objective To systematically review the effect of exercise on the body composition of simple obesity in China. Methods We electronically searched databases including CNKI、VIP、WanFang Data、PubMed、Medline、Web of Science databases to collect the studies on exercise therapy for simple obesity from inception to June 2016. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies. Then, meta-analysis was performed by using RevMan 5.3 software. Results  A total of 17 papers involving 627 patients were included. The results of meta-analysis showed that:①Exercise significantly ameliorated BMI of obesity children(MD= -2.72，95%CI[-3.83，-1.61]，P<0.00001).②Exercise significantly ameliorated BMI (MD= -3.22，95%CI[-4.10，-2.34]，P<0.00001)、BF% (MD= -4.44，95%CI[-6.09，-2.79]，P<0.00001)、Body Weight(MD= -7.92，95%CI[-11.28，-4.56]，P<0.00001) and waist circumference (MD= -5.01，95%CI[-8.56，-1.46]，P=0.006) of obesity teenagers.③Exercise significantly ameliorated BMI BMI (MD= -3.18，95%CI[-3.64，-2.72]，P<0.00001)、BF% (MD= -0.80，95%CI[-1.53，-0.07]，P=0.03)、Body Weight (MD= -6.56，95%CI[-7.89，-5.23]，P<0.00001)、chest circumference (MD= -4.22，95%CI[-5.00，-3.45]，P<0.00001)、waist circumference (MD= -7.49，95%CI[-9.19，-5.78]，P<0.00001)and hip circumference (MD= -3.68，95%CI[-5.19，-2.17]，P<0.00001) of obesity adults. Conclusions  Exercise can significantly improve the body composition of simple obesity people in China. Due to the limited quantity and quality of included studies, more high quality studies are needed to verify the above conclusion

Stellar Parameters of Main Sequence Turn-off Star Candidates Observed with the LAMOST and Kepler

Main sequence turn-off (MSTO) stars have advantages as indicators of Galactic evolution since their ages could be robustly estimated from atmospheric parameters. Hundreds of thousands of MSTO stars have been selected from the LAMOST Galactic sur- vey to study the evolution of the Galaxy, and it is vital to derive accurate stellar parameters. In this work, we select 150 MSTO star candidates from the MSTO stars sample of Xiang that have asteroseismic parameters and determine accurate stellar parameters for these stars combing the asteroseismic parameters deduced from the Kepler photometry and atmospheric parameters deduced from the LAMOST spectra.With this sample, we examine the age deter- mination as well as the contamination rate of the MSTO stars sample. A comparison of age between this work and Xiang shows a mean difference of 0.53 Gyr (7%) and a dispersion of 2.71 Gyr (28%). The results show that 79 of the candidates are MSTO stars, while the others are contaminations from either main sequence or sub-giant stars. The contamination rate for the oldest stars is much higher than that for the younger stars. The main cause for the high contamination rate is found to be the relatively large systematic bias in the LAMOST surface gravity estimates.Comment: accepted by RA

5-Methyl-1,2,3,3a-tetra­hydro­benzo[e]pyrrolo­[2,1-b][1,3]oxazepin-10(5H)-one

The asymmetric unit of the title compound, C13H15NO2, the main product of a photoreaction, contains two crystallographically independent mol­ecules. In both mol­ecules, the conformation of the seven-membered ring is twist sofa and that of the five-membered rings is envelope. In the crystal, mol­ecules are linked by weak inter­molecular C—H⋯O hydrogen bonds

Effect of current intensity on residual stress of Q345/2Cr13 dissimilar steel plates

Based on the software Visual-Environment, Finite element method (FEM) was performed on the dissimilar butt-joint between Q345 and 2Cr13 steel aiming at the welding residual stress. The main contents in the paper were different current intensity was applied to modeling the welding process of Q345/2Cr13 dissimilar steel and the law of residual stress field were discussed. Based on the result, different current intensities have little effect on the lateral residual stress, while the longitudinal residual stress and the initial and end of the weld have a great influence. The physical properties of the dissimilar plates lead to uneven distribution of residual stress, and the current intensity should be smaller

Effect of preheating temperature on post-weld residual stress of dissimilar steel plates

Based on the numerical simulation software Visual-Environment, the numerical calculation and analysis of residual stress field under different preheating temperatures for Q345/2Cr13 dissimilar plate welding were carried out in this paper. The effects of different preheating temperatures on post-weld residual stress were mainly studied. The results showed that different preheating temperatures have little effect on the lateral residual stress, while the longitudinal residual stress and the initial and end of the weld have greater impacts. For residual stress difference between the two base metals should not be too high, the dissimilar plate welding should adopt a moderate preheating temperature

RAWIW: RAW Image Watermarking Robust to ISP Pipeline

Invisible image watermarking is essential for image copyright protection. Compared to RGB images, RAW format images use a higher dynamic range to capture the radiometric characteristics of the camera sensor, providing greater flexibility in post-processing and retouching. Similar to the master recording in the music industry, RAW images are considered the original format for distribution and image production, thus requiring copyright protection. Existing watermarking methods typically target RGB images, leaving a gap for RAW images. To address this issue, we propose the first deep learning-based RAW Image Watermarking (RAWIW) framework for copyright protection. Unlike RGB image watermarking, our method achieves cross-domain copyright protection. We directly embed copyright information into RAW images, which can be later extracted from the corresponding RGB images generated by different post-processing methods. To achieve end-to-end training of the framework, we integrate a neural network that simulates the ISP pipeline to handle the RAW-to-RGB conversion process. To further validate the generalization of our framework to traditional ISP pipelines and its robustness to transmission distortion, we adopt a distortion network. This network simulates various types of noises introduced during the traditional ISP pipeline and transmission. Furthermore, we employ a three-stage training strategy to strike a balance between robustness and concealment of watermarking. Our extensive experiments demonstrate that RAWIW successfully achieves cross-domain copyright protection for RAW images while maintaining their visual quality and robustness to ISP pipeline distortions