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Effects of positive psychological control intervention on sleep and psychology of officers and soldiers working at sea

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World Journal of Psychiatry 2024年第10期14卷 1538-1546页

作者： yu-qing liu Jian-Liang Sun Mei Jing Guo-Xiang liu Jie Shi Xue-Wei Zhu Fei Wang Mei-Hua Ye Department of Emergency Medicine Naval Specialty Medical CenterShanghai 200052China Department of Nursing Naval Medical UniversityShanghai 200052China Department of Disease Control and Prevention Naval Medical Center of PLANaval Medical UniversityShanghai 200052China

BACKGROUND The working environment of submarine crews is also very *** are in a closed,high-temperature,high-noise,high-vibration and narrow working and living space for a long time,and they suffer from physical discomfort caused by seasickness,which will affect the mental health of officers and *** psychologists have achieved positive results in psychological resilience training for officers and soldiers from the perspective of positive *** present,there are few reports on the correlation between psychological resilience in the field of domestic research on submarine crew psychology,and it is necessary to conduct further *** A total of 121 soldiers working in a confined space of a large ship were randomly divided into an experimental group and a control *** 50 soldiers in the experimental group were given a training course intervention,while the 71 soldiers in the control group did not receive any intervention *** Pittsburgh Sleep Quality Index,Psychological Resilience Scale,military Psycho-logical Stress Self-Assessment Questionnaire,and General Self-Efficacy Scale scores were compared before and 6 months after the *** Under the positive psychological control intervention,except for sleep efficiency(P=0.05),the difference between the remaining dimensions of the Pittsburgh Sleep Quality Index scores and the total scores of the experimental group compared with the control group was statistically significant(P<0.05);the assessment of the psychological condition showed that,in addition to the Psychological Stress Self-assessment Questionnaire for Military Personnel scores(P=0.05),the scores of the Mental Toughness Scale(Dispositional Resilience Scale Resilience II)in the experimental group,General Self-Efficacy Scale scores were statistically significant(P<0.05)compared to *** Positive psychological intervention and control can improve the sleep state and psychologica

关键词： Active psychological control intervention Officers and soldiers Sleep state Mentality Effect

Photoelectron Imaging Spectroscopy of ZrO-Diatomic Anion

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Chinese Journal of Chemical Physics 2015年第4期28卷 -页

作者： qing-yu liu Lian-rui Hu Hui Chen Sheng-gui He Beijing National Laboratory for Molecular Sciences State Key Laboratory for Structural Chemistry of Unstable and Stable Species Institute of Chemistry Chinese Academy of Sciences Beijing 100190China Beijing National Laboratory for Molecular Sciences Key Laboratory of Photochemistry Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China

The diatomic ZrO? anion has been prepared by laser ablation and studied by photoelectron imaging spectroscopy combined with quantum chemistry calculations. The observed pho- toelectron spectra can be well assigned on the basis of reported optical spectroscopy and high-level ab initio calculations. The ground state of ZrO? is a 2? state with spin-orbit splitting of 578±12 cm?1. The electron affinity of ZrO is 1.249±0.005 eV. For the first time, the c3Σ? state of ZrO has been experimentally observed at 13316±24 cm?1 with respect to the X1Σ+ ground state. A comparison between ZrO and the isoelectronic molecule NbN has been made.

关键词： Diatomic molecules Electronic structure Spin-orbit splitting Photoelectron imaging spectroscopy ab initio calculations

Isogeometric Analysis for the Arbitrary AFG Microbeam with Two-Phase Nonlocal Stress-Driven Model

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Acta Mechanica Solida Sinica 2024年第2期37卷 341-360页

作者： Pei-Liang Bian Zhaowei liu Hai qing Tiantang yu Department of Engineering Mechanics Hohai UniversityNanjing211100China State Key Laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics and AstronauticsNanjing210016China

Scale effects play critical roles in the mechanical responses of *** isogeometric analysis was developed here to investigate the mechanical responses of an axially functionally graded *** Euler–Bernoulli beam model was utilized,and size effects in the structure were modeled with a stress-driven two-phase local/nonlocal integral *** governing equation of microstructures was given in an equivalent differential form with two additional constitutive boundary *** framework was verified and utilized to analyze the microbeam’s static and dynamic mechanical *** present work showed great potential for modeling various types of functionally graded microstructures.

关键词： Isogeometric analysis Size effect Functionally graded material Nonlocal theory Euler-Bernoulli beam

Three New Xanthones from Polygala crotalarioides

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Chinese Chemical Letters 2006年第6期17卷 773-775页

作者： Yan HUA Chang Xiang CHEN yu qing liu Shu Kun CHEN Jun ZHOU State Key Laboratory of Phytochemistry and Plant Resource in West China Kunmin~ Institute of Botany Academia Sinica Kunming 650204 Southwest Forestry College Kunming 650224

Three new xanthones, 3, 6-dihydroxy-1, 2, 7-trimethoxyxanthone 1, 1, 3, 6-trihydroxy-2, 7, 8-trimethoxyxanthone 2, and 3, 6-dihydroxy-1, 2, 7, 8-tetramethoxyxanthone 3, were isolated from the roots of Polygala crotala... 详细信息

关键词： Polygala crotalarioides chemical constituents xanthones.

Dual energy computed tomography for detection of metastatic lymph nodes in patients with hepatocellular carcinoma

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World Journal of Gastroenterology 2019年第16期25卷 1986-1996页

作者： yu-Rong Zeng Qi-Hua Yang qing-yu liu Jun Min Hai-Gang Li Zhi-Feng liu Ji-Xin Li Department of Radiology Sun Yat-sen Memorial Hospital Sun Yat-sen University Department of Hepatobiliary Surgery Sun Yat-sen Memorial Hospital Sun Yat-sen University Department of Pathology Sun Yat-sen Memorial Hospital Sun Yat-sen University Department of Radiology Zengcheng District People’s Hospital of Guangzhou

BACKGROUND Regional lymph node metastasis in patients with hepatocellular carcinoma(HCC)is not uncommon, and is often under-or misdiagnosed. Regional lymph node metastasis is associated with a negative prognosis in patients with HCC, and surgical resection of lymph node metastasis is considered feasible and efficacious in improving the survival and prognosis. It is critical to characterize lymph node preoperatively. There is currently no consensus regarding the optimal method for the assessment of regional lymph nodes in patients with *** To evaluate the diagnostic value of single source dual energy computed tomography(CT) in regional lymph node assessment for HCC *** Forty-three patients with pathologically confirmed HCC who underwent partial hepatectomy with lymphadenectomy were retrospectively enrolled. All patients underwent dual-energy CT preoperatively. Regional lymph nodes(n = 156) were divided into either a metastatic(group P, n = 52) or a non-metastasis group(group N, n = 104), and further, according to pathology, divided into an active hepatitis(group P1, n = 34; group N1, n = 73) and a non-active hepatitis group(group P2, n = 18; group N2, n = 31). The maximal short axis diameter(MSAD),iodine concentration(IC), normalized IC(NIC), and the slope of the spectralcurve(λ_(HU)) of each group in the arterial phase(AP), portal phase(PP), and delayed phase(DP) were *** Analysis of the MSAD, IC, NIC, and λ_(HU) showed statistical differences between groups P and N(P < 0.05) during all three phases. To distinguish benign from metastatic lymph nodes, the diagnostic efficacy of IC, NIC, and λ_(HU) in the PP was the best among the three phases(AP, PP, and DP), with a sensitivity up to 81.9%,83.9%, and 81.8%, and a specificity up to 82.4%, 84.1% and 84.1%, *** diagnostic value of combined analyses of MSAD with IC, NIC, or λ_(HU) in the PP was superior to the dual energy CT parameters alone, with a sensitivity up to84.5%, 86.9%

关键词： Computed tomography Hepatocellular carcinoma Lymph node Metastasis Hepatitis Dual energy

Modular divergent creation of dual-cocatalysts integrated semiconducting sulfide nanotriads for enhanced photocatalytic hydrogen evolution

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Nano Research 2023年第5期16卷 7967-7973页

作者： Chao Gu yu-qing liu Guo-Qiang liu Hou-Ming Xu Yi Li Xiao-Long Zhang Liang Wu Lei Shi Shi-Kui Han Min-Rui Gao Shu-Hong yu Department of Chemistry Institute of Biomimetic Materials&ChemistryAnhui Engineering Laboratory of Biomimetic MaterialsDivision of Nanomaterials&ChemistryHefei National Laboratory for Physical Sciences at the MicroscaleInstitute of EnergyHefei Comprehensive National Science CenterUniversity of Science and Technology of ChinaHefei 230026China Key Laboratory of Advanced Catalytic Materials and Reaction Engineering School of Chemistry and Chemical EngineeringHefei University of TechnologyHefei 230009China

Heteronanostructures(HNs)with precise components and interfaces are important for many applications,such as designing efficient and robust solar-to-fuel catalysts via integrating specific semiconductors with favorable band ***,rationally endowing such features with rigorous framework control remains a synthetic ***,we report a modular divergent creation of dual-cocatalysts integrated semiconducting sulfide nanotriads(NTds),comprising both isolated Pd_(x)S oxidation(ox)and MoS_(2) reduction(red)domains within each single CdS counterpart,which exhibit superior photocatalytic activity and stability for hydrogen evolution reaction(HER).The stepwise constructed Pd_(x)S_((ox))−CdS−MoS_(2(red)) NTds possess dualinterfaces facilitating continuous charge separation and segregated active sites accelerating redox reactions,respectively,achieving the HER rate up to 9 mmol·h^(−1)·g^(−1),which is about 60 times higher than that of bare CdS,and show no evidence of deactivation after long-term *** design principle and transformation protocol provide predictable retrosynthetic pathways to HNs with increased degree of complexity and more elaborate functionalities that are otherwise inaccessible.

关键词： heteronanostructures colloidal synthesis semiconducting sulfides photocatalytic hydrogen evolution reaction

Potential for soil carbon sequestration under conservation agriculture in a warming climate

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Science Bulletin 2024年第13期69卷 2030-2033页

作者： Lijun yu Wen Zhang Jingjing liu Wenjuan Sun qing Zhang State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China University of Chinese Academy of Sciences Beijing 100049China Anyang Meteorological Service Anyang 455000China State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China

Agricultural soil has numerous links with climate *** comprises a substantial part of farming systems that are affected by climate change and can significantly impact food security[1].An increase in the soil carbon(C)stock is associated with an increase in the crop ***,agricultural soil remains a source for all three major greenhouse gases(GHGs),i.e.,carbon dioxide(CO_(2)),methane and nitrous oxide,which contributes directly to climate *** addition,enhancing soil C sequestration in agricultural land could offset GHG emissions,promote more sustainable and climate-resilient agricultural systems.

关键词： soil warming agricultural

Effect of Bensulfuron-Methyl on Growth of Chlorella pyrenoidosa

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Agricultural Sciences in China 2007年第3期6卷 316-321页

作者： yuE Xia-li yu Xiao-qing liu Yong-hong DONG yuan-yan College of Basic Science Huazhong Agricultural University Wuhan 430070 P.R.China

To study the growth effects of differing concentrations of bensulfuron-methyl on Chlorella pyrenoidosa and to evaluate the ecological risk, the effects of bensulfuron-methyl on the growth and the content change of chlorophyll and protein in Chlorella pyrenoidosa were studied through 96 h acute toxicity tests. Bensulfuron-methyl accelerated the growth of algae at lower concentrations （〈 1 mg L^-1） with content increase of chlorophyll or protein, and it inhibited the growth of algae at higher concentrations （〉 5 mg L^-1）. The content of chlorophyll or protein in algae cells reduced with the increasing concentration of bensulfuron-methyl, exhibiting the good concentration-effect relationship. The 96 h-EC50 of bensulfuronmethyl upon the algae was 15.7 mg L^-1 Bensulfuron-methyl has inhibiting effect on the growth of Chlorella pyrenoidosa and is low in toxicity.

关键词： Bensulfuron-methyl ChloreUa pyrenoidosa growth chlorophyll protein

Analysis of destructive effect of Zn on carbon brick and way of Zn into carbon brick

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Journal of Iron and Steel Research International 2024年第6期31卷 1344-1354页

作者： Peng-bo liu Shu-sen Cheng yu-qing Xue Xiao-man Cheng Zhao liu University of Science and Technology Beijing Beijing 100083China Ministry of Ironmaking Shangdong Taishan Steel Group Co.Ltd.Taian 271000ShandongChina

The service life of a blast furnace depends largely on the degree of damage to the carbon brick in the *** brick and ramming material in the hearth of a 1780 m3 blast furnace after shutdown were sampled and *** was found that the substances in the cracks of the carbon brick near and above the taphole were ZnO and Zn_(2)SiO_(4),whereas the substances in the cracks of the carbon brick below the taphole were *** reaction of Zn with CO,SiO_(2),and Fes generates ZnO,Zn_(2)SiO_(4),and ZnS,resulting in volume expansion,which is an important reason for the cracking of carbon ***,several obvious Zn vapor flow channels were found in the ramming material,through which Zn vapor could enter the carbon brick,causing damage to the carbon *** the compactness of the ramming material is beneficial to preventing Zn vapor from entering the carbon brick through the voids in the ramming material,reducing the destructive effect of Zn on the carbon brick and further extending the service life of the blast furnace.

关键词： Zn Blast furnace Carbon brick Ramming material Crack