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How Does Corporate Social Responsibility Affect Continuous Innovation?

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Frontiers of Business Research in China 2022年第4期16卷 358-370页

作者： bai min WANG Renxiang School of Economics&Management University of Science and Technology BeijingBeijing 100083China School of Economics Wuhan University of TechnologyWuhan 430070China

From the perspective of sustainable development,this paper analyzes the impact of corporate social responsibility(CSR)on the corporate’s continuous innovation based on the theory of innovation economics and the demand for innovation-driven development,and then conducts a series of empirical tests based on a sample of Chinese A-shared listed companies from 2008 to *** results show that better CSR performance is conducive to the continuous innovation,and this positive relationship is more pronounced for firms with voluntary accounting information disclosure,for firms of non-high-technology industries,and when policy uncertainty is *** paper not only enriches the literature on CSR but also provides theoretical references for the innovation practice of enterprises under the innovation-driven strategy.

关键词： corporate social responsibility(CSR) continuous innovation stakeholder theory disclosure form

Spontaneously enhanced visible-light-driven photocatalytic water splitting of type Ⅱ PG/AlAss van der Waal heterostructure:A first-principles study

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Chinese Chemical Letters 2023年第12期34卷 354-360页

作者： Wenxue Zhang Jiating Hou min bai Cheng He Jiuran Wen School of Materials Science and Engineering Changan UniversityXi'an 710064China State Key Laboratory for Mechanical Behavior of Materials School of Materials Science and EngineeringXi'an Jiaotong University.Xi'an 710049China

To solve the problem of energy scarcity and widespread environmental contamination,it is necessary to design green and low-cost photocatalysts for water *** this paper,a new penta-graphene/AlAs_(5)(PG/AlAss)van der Waals(vdW)heterostructure is proposed and its performance for photocatalytic hydrolysis is calculated using the first-principles *** findings suggest that the PG/AIAss heterostructure belong to type-ll indirect semiconductor,and the edge position and band gap width of this heterostructure satisfy the requests of redox ***,the oxidation reaction(OER)on the AIAss side and the hydrogen evolution reaction(HER)on the PG side are thermodynamically spontaneous under different ***,the introduction of strain engineering has changed the position of the band edge and light absorption performance of PG/AlAss heterostructure,which is powerful for the performance of photocatalytic water *** PG/AlAs_(5) vdw heterostructure exhibits well visible light absorption intensity without applying strain and biaxial strain of 2%.In conclusion,the findings suggest that the PG/AlAss vdW heterostructure is a prospecting catalyst for visible-light hydrolysis.

关键词： PG/AlAs_(5)vdW heterostructure Type-ll semiconductor Water splitting Density functional theory Visible photocatalysis

Plant community succession in modern Yellow River Delta, China

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2007年第8期8卷 540-548页

作者： ZHANG Gao-sheng WANG Ren-qing SONG bai-min Institute of Ecology and Biodiversity School of Life Sciences Shandong University Ji＇nan 250100 China

Data were collected in different successional stages using a simultaneous sampling method and analyzed through quantitative classification method. Three large groups and 12 classes were made to represent the community patterns of three succession stages and 12 succession communities. The succession series of plant community in the study area was as follows: saline bare land→community Suaeda salsa→community Tamarix chinensis→grassland. Succession degree and succession process of 12 succession communities were calculated. Most of these communities were in the lower succession stage, however, community Phragmites communis+Glycine soja and community Imperata cylindrica+G. soja were close to the succession stage of grassland climax. Five species diversity indices were used to study the changes in species richness, species evenness and diversity during succession of community. Heterogeneity index and richness index increased gradually during the community succession process, but species evenness tended to decrease with succession development. The relation between succession and environment was studied by ordination technique, and the results showed that the soil salt content was an important factor to halarch succession of the modern Yellow River Delta. It affected community structure, species composition and succession process.

关键词： Community succession DCA and TWINSPAN analysis Yellow River Delta

The effect of overseas investors on local market efficiency:evidence from the Shanghai/Shenzhen–Hong Kong Stock Connect

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Financial Innovation 2023年第1期9卷 1103-1134页

作者： Yan Meng Lingyun Xiong Lijuan Xiao min bai School of Economics and Management Inner Mongolia UniversityHohhot 010021Inner MongoliaChina School of Accountancy Jiangxi University of Finance and Economics169 Shuanggang East StQingshanhu DistrNanchang 330013China School of Accounting Finance and EconomicsUniversity of WaikatoHamiltonNew Zealand

Using a recent stock market liberalization reform policy in China—the Stock Connect—as a quasi-natural experiment,this study examines the effect of stock market liberalization on market *** a dataset of 17,086 Chinese listed firms covering 2009 to 2018,we find that stock market liberalization improves the market efficiency of the Chinese mainland stock *** further explore the potential channels through which the Stock Connect can enhance the efficiency of the A-share(A-shares refer to shares issued by Chinese companies incorporated in China's Mainland,traded in the Shanghai Stock Exchange and the Shenzhen Stock *** are denominated in Chinese RMB(the local currency).A-shares were restricted to local Chinese investors before 2003,are open to foreign investors via the Qualified Foreign Institutional Investor,RMB Qualified Foreign Institutional Investor,or the Stock Connect programs.)*** findings show that liberalizing capital markets could benefit local market efficiency by increasing stock price informational efficiency and improving corporate governance *** additional analysis shows that stock market liberalization has a significant and positive impact on local market efficiency,enhancing firm value and reducing stock crash *** conduct various robustness checks to corroborate our *** study provides important policy implications for emerging countries liberalizing capital markets for foreign investors.

关键词： Market efficiency Stock Connect Market liberalization Overseas investors

A microfluidic surface-enhanced Raman scattering(SERS) sensor for microRNA in extracellular vesicles with nucleic acid-tyramine cascade amplification

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Chinese Chemical Letters 2022年第4期33卷 2101-2104页

作者： Yue Zhao Xiaoxing Fang min bai Jin Zhang Huahang Yu Feng Chen Yongxi Zhao Institute of Analytical Chemistry and Instrument for Life Science The Key Laboratory of Biomedical Information Engineering of Ministry of EducationSchool of Life Science and TechnologyXi’an Jiaotong UniversityXi’an 710049China

Exosomal micro RNA(mi RNA) is an ideal candidate of noninvasive biomarker for the early diagnosis of cancer. Sensitive and accurate sensing of abnormal exosomal mi RNA plays essential role for clinical promotion due to its close correlation with tumor proliferation and progression. Herein, a microfluidic surface-enhanced Raman scattering(SERS) sensor was proposed for an on-line detection of exosomal mi RNA based on rolling circle amplification(RCA) and tyramine signal amplification(TSA) strategy. The microfluidic chip consists of a magnetic enrichment chamber, a serpentine fluidic mixer and a plasmonic SERS substrate functionalized with capture probes. The released mi RNA activates the capture probe, triggers RCA reaction, and generates a large number of single-stranded DNA products to drive the catalysis of nanotags deposition via TSA, producing numerous “hot spots” to enhance the SERS signals. In merit of the microfluidics chip and nucleic acid-tyramine cascade amplification, the developed SERS sensor significantly improves the sensitivity for the exosomal mi RNA assay, resulting in a limit of detection(LOD) as low as 1 pmol/L and can be successfully applied in the analysis of exosomes secreted from breast tumor cells, which demonstrates the potential utility in practical applications.

关键词： Microfluidic chips Surface-enhanced Raman scattering(SERS) Exosome Tyramide signal amplification Nucleic acid amplification

Interspecific variation of thermoregulation between small migratory and resident passerines in Wenzhou

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Zoological Research 2016年第3期37卷 167-175页

作者： Qing-Gang QIAO Hong-Ji LIANG min-Lan bai Wei-Hong ZHENG Jin-Song LIU School of Life and Environmental Sciences Wenzhou UniversityWenzhou 325035China Zhejiang Provincial Key Lab for Subtropical Water Environment and Marine Biological Resources Protection Wenzhou 325035China

Physiological adaptation arises from several fundamental sources of phenotypic variation. Most analyses of metabolic adaptation in birds have focused on the basal metabolic rate （BMR）, the lower limit of avian metabolic heat production. In this study, we investigated thermoregulation in three passerine species; the yellow-billed grosbeak Eophona migratoria, white-rumped munia Lonchura striata and black-throated bushtit Aegithalos concinnus, in Wenzhou, China. Metabolic rate was measured using the closed-circuit respirometer containing 3.5 L animal chambers. Body temperature （Tb） was measured during metabolic measurements using a lubricated thermocouple. The minimum thermal conductance of these species was calculated by measuring their Tb and metabolic rates. The yellow-billed grosbeak remained largely normothermic, and the white-rumped munia and black-throated bushtit exhibited variable Tb at ambient temperatures （Ta）. Mean metabolic rates within thermal neutral zone were 2.48±0.09 02 （mL）/g/h for yellow-billed grosbeaks, 3.44±0.16 02 （mL）/g/h for white-rumped munias, and 3.55±0.20 O2 （mL）/g/h for black-throated bushtits, respectively. minimum thermal conductance of yellow-billed grosbeak, white-rumped munia and black-throated bushtit were 0.13±0.00, 0.36±0.01, and 0.37±0.01 02 （mL）/g/h/℃, respectively. The ecophysiological characteristics of these species were：（1） the yellowbilled grosbeak had relatively high Tb and BMR, a low lower critical temperature and thermal conductance, and a metabolic rate that was relatively insensitive to variation in Ta; all of which are typical of cold adapted species and explain its broader geographic distribution; （2） the white-rumped munia and black- throated bushtit had high thermal conductance, lower critical temperature, and relatively low BMR, all which are adapted to warm environments where there is little selection pressure for metabolic thermogenesis. Taken together, these data illustrate small migratory and resident passeri

关键词： Basal metabolic rate Body temperature Thermal conductance Eophona migratoria Lonchurastriata Aegithalos concinnus

Value of shear wave elastography with maximal elasticity in differentiating benign and malignant solid focal liver lesions

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World Journal of Gastroenterology 2020年第46期26卷 7416-7424页

作者： Hui-Ping Zhang Ji-Ying Gu min bai Fan Li Yu-Qing Zhou Lian-Fang Du Department of Ultrasound Shanghai Changning Maternity and Infant Health HospitalEast China Normal UniversityShanghai 200050China Department of Ultrasound Shanghai Fourth People’s HospitalShanghai Tongji University School of MedicineShanghai 200434China Department of Ultrasound Shanghai General HospitalShanghai Jiaotong University School of MedicineShanghai 200080China

BACKGROUND It is important to differentiate benign and malignant focal liver lesions(FLLs)*** the wide use and acceptance of shear wave elastography(SWE),its value for assessing the elasticity of FLLs and differentiating benign and malignant FLLs is still *** studies of SWE for FLLs used mean elasticity as the parameter to reflect the stiffness of *** the inhomogeneity of tumor stiffness,maximal elasticity(Emax)might be the suitable parameter to reflect the stiffness of FLLs and to differentiate malignant FLLs from benign *** To explore the value of SWE with Emax in differential diagnosis of solid *** We included 104 solid FLLs in 95 patients and 50 healthy *** the subjects were examined using conventional ultrasound(US)and virtual touch tissue quantification(VTQ)imaging.A diagnosis of benign or malignant FLL was made using conventional *** VTQ values were acquired after 10 consecutive measurements for each FLL and each normal liver,and the largest value was recorded as *** There were 56 cases of malignant FLLs and 48 cases of benign FLLs in this *** of malignant FLLs(3.29±0.88 m/s)was significantly higher than that of benign FLLs(1.30±0.46 m/s,P<0.01)and that of livers in healthy volunteers(1.15±0.17 m/s,P<0.01).The cut-off point of Emax was 1.945,and the area under the curve was *** sensitivity and specificity of Emax were 92.9%and 91.7%,respectively,higher(but not significantly)than those of conventional US(80.4%for sensitivity and 81.3%for specificity).Combined diagnosis of conventional US and Emax using parallel testing improved the sensitivity to 100%with specificity of 75%.CONCLUSION SWE is a convenient and easy method to obtain accurate stiffness information of solid *** is useful for differential diagnosis of FLLs,especially in combination with conventional US.

关键词： Focal hepatic lesions Shear wave elastography Conventional ultrasound Maximal elasticity

value of contrast-enhanced ultrasound in the differential diagnosis of gallbladder lesion

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World Journal of Gastroenterology 2018年第6期24卷 744-751页

作者： Hui-Ping Zhang min bai Ji-Ying Gu Ying-Qian He Xiao-Hui Qiao Lian-Fang Du Department of Ultrasound Shanghai General Hospital Shanghai Jiao Tong University School of Medicine

AIM To describe contrast-enhanced ultrasound(CEUS) features and evaluate differential diagnosis value of CEUS and conventional ultrasound for patients with benign and malignant gallbladder lesions. METHODS This study included 105 gallbladder lesions. Before surgical resection and pathological examination, conventional ultrasound and CEUS were performed to examine for lesions. Then, all the lesions were diagnosed as(1) benign,(2) probably benign,(3) probably malignant or(4) malignant using both conventional ultrasound and CEUS. The CEUS features of these gallbladder lesions were analyzed and diagnostic efficiency between conventional ultrasound and CEUS was *** There were total 17 cases of gallbladder cancer and 88 cases of benign lesion. Some gallbladder lesions had typical characteristics on CEUS(e.g., gallbladder adenomyomatosis had typical characteristics of small nonenhanced areas on CEUS). The sensitivity, specificity, positive predictive value, negative predictive value and accuracy of CEUS were 94.1%, 95.5%, 80.0%, 98.8%and 95.2%, respectively. These were significantly higher than conventional ultrasound(82.4%, 89.8%, 60.9%, 96.3% and 88.6%, respectively). CEUS had an accuracy of 100% for gallbladder sludge and CEUS helped in differential diagnosis among gallbladder polyps, gallbladder adenoma and gallbladder *** CEUS may provide more useful information and improve the diagnosis efficiency for the diagnosis of gallbladder lesions than conventional ultrasound.

关键词： Contrast enhanced ultrasound Conventional ultrasound Gallbladder carcinoma Gallbladder adenomyomatosis

Clinical Significance of Lymph Node Sampling in Endometrial Carcinoma

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Chinese Journal of Clinical Oncology 2007年第3期4卷 179-184页

作者： Ping bai min Cheng Shumin Li Wenhua Zhang Ying Ma Department of Gynecological Oncology Cancer Hospital Peking Union Medical College Chinese Academy of Medical Science Beijing 100021 China

OBJECTIVE To study the clinical significance of pelvic and para-aortic lymph node sampling in endometrial *** Data were analyzed from 311 patients who received surgical treatment in our hospital during the period from January 1995 to December *** the patients,197 underwent lymph node sampling or *** patients were divided into 2 groups based on the nature of their lymph node dissection,i.e.a)The sampling group included 114 patients with an extrafascial hysterectomy or modified radical hysterectomy plus pelvic or paraaortic lymph node sampling of the abdominal aorta;b)The dis-section group,included 83 patients with a radical or modified radical hyster-ectomy plus systemic pelvic lymph node clearance or paraaortic lymph node dissection of the abdominal *** The median of the sampling sites for lymph node removal was 5 in the sampling group,and the median of the lymph nodes removed was 15 per *** node metastasis was found in 8 *** the dissection group,the median of the cases for lymph node removal was 8,and the me-dian of the lymph nodes removed was 27 per *** node metastasis was found in 6 *** 5-year survival rates were 90.2% and 90.9% in the 2 groups,*** Lymph node sampling of endometrial cancer is a good way of precisely finding lymphatic metastases,and is suitable for surgical staging without causing immoderate surgical treatment and without affecting the survival rate.

关键词： endometrial carcinoma lymph node sampling lymphadenectomy.