Jiajing Sun

ORCID: 0000-0003-0175-0025
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Research Areas
  • Climate Change Policy and Economics
  • Statistical Methods and Inference
  • Advanced Statistical Methods and Models
  • Financial Risk and Volatility Modeling
  • Fault Detection and Control Systems
  • Complex Systems and Time Series Analysis
  • Energy, Environment, Economic Growth
  • Energy, Environment, and Transportation Policies
  • Monetary Policy and Economic Impact
  • Environmental Toxicology and Ecotoxicology
  • Pesticide and Herbicide Environmental Studies
  • Financial Markets and Investment Strategies
  • Muscle metabolism and nutrition
  • Market Dynamics and Volatility
  • Computational Drug Discovery Methods
  • Misinformation and Its Impacts
  • Control Systems and Identification
  • Clinical Nutrition and Gastroenterology
  • Insect and Pesticide Research
  • Migration and Labor Dynamics
  • Statistical Methods and Bayesian Inference
  • Firm Innovation and Growth
  • Migration, Ethnicity, and Economy
  • Plant and animal studies
  • Animal Nutrition and Physiology

University of Chinese Academy of Sciences
2018-2024

University of Birmingham
2023-2024

Xi'an University of Science and Technology
2021-2024

Chinese Academy of Agricultural Sciences
2024

Institute of Apiculture Research
2024

Dalian Maritime University
2024

Beijing Forestry University
2024

Taipei City Hospital
2021-2024

National Taiwan University
2021-2024

Heilongjiang University of Chinese Medicine
2024

This study was conducted to compare the effects of adding sodium butyrate (SB), medium-chain fatty acids (MCFAs), or n-3 polyunsaturated (n-3 PUFAs) diet sows during late gestation and lactation on reproductive performance growth intestinal health suckling piglets. Twenty-four (Landrace × Large-White hybrid; third parity; 200 ± 15 kg) were randomly assigned receive 1 4 diets: basal (control group), + g SB/kg (SB 7.75 MCFA/kg (MCFA 68.2 PUFA/kg PUFA group). The experiment began day 85 ended...

10.1093/jas/skz284 article EN Journal of Animal Science 2019-08-27

A popular self-normalization (SN) approach in time series analysis uses the variance of a partial sum as self-normalizer. This is known to be sensitive irregularities such persistent autocorrelation, heteroskedasticity, unit roots and outliers. We propose novel SN based on adjusted-range sum, which robust these aforementioned irregularities. develop an Kolmogorov–Smirnov type test for structural breaks both univariate multivariate series, consider testing parameter constancy regression...

10.1016/j.jeconom.2023.105603 article EN cc-by-nc-nd Journal of Econometrics 2023-11-09

Reducing dietary crude protein (CP) intake effectively decreases nitrogen excretion in growing-finishing pigs but at the expense of poor growth when CP content is reduced by ≥3%. In this study, we investigated main disadvantages low-protein diets supplemented with lysine, methionine, threonine, and tryptophan pigs. First, changes balance response to differences (18%, 15%, 13.5%) were barrows (40 kg). Then, kg) surgically fitted catheters mesenteric vein, portal hepatic carotid artery used...

10.1021/acs.jafc.8b03299 article EN Journal of Agricultural and Food Chemistry 2018-07-09

AimThe aim of this study was to investigate the effects dietary supplementation Rhodotorula mucilaginosa solid‐state fermentation product (RSFP) on laying performance, egg quality and intestinal microbial flora hens.

10.1111/jam.14467 article EN Journal of Applied Microbiology 2019-09-28

The concept of a public energy field is central to administration discourse theory. Its main idea the facilitation dialog between government and public, on basis equality, construct policy consensus. In contemporary society, social media provides new distinctive channels for such interactions. Social can, therefore, be conceived as novel type field. Since outbreak COVID-19 pandemic, interactions Chinese (whether located in China or abroad) have been acutely reflected through WeChat official...

10.3389/fpsyg.2022.955376 article EN cc-by Frontiers in Psychology 2022-09-06

ABSTRACT: Rhodotorula glutinis RG6 was treated by high hydrostatic pressure (HHP) of 300 MPa for 15 min improving its ability β‐carotene production. After the treatments 5 repeated cycles, mutant strain RG6p obtained, production which reached 10.01 mg/L, increased 57.89% compared with 6.34 mg/L from parent RG6. To optimize medium fermentation RG6p, a response surface methodology (RSM) approach used in conjunction factorial design and central composite design, maximum yield (13.43 mg/L), an...

10.1111/j.1750-3841.2007.00495.x article EN Journal of Food Science 2007-10-01

An F statistic was proposed by Good and Chernick (1993 , P. I. M. ( 1993 ). Testing the equality of variances two populations. Unpublished manuscript . [Google Scholar]) in an unpublished paper, to test hypothesis from independent groups using bootstrap; see Hall Padmanabhan (1997 A. R. 1997 Adaptive inference for sample problem Technometrics 39 : 412 – 422 .[Taylor & Francis Online] Scholar]), a published reference where is discussed. We look at various forms bootstrap tests that use...

10.1080/10543406.2011.611082 article EN Journal of Biopharmaceutical Statistics 2011-10-24

In this study, we extend earlier work of Freeland (1998) and Jung Tremayne (2003) , develop a general formula for score statistic to test dependence in an integer autoregressive process with arbitrary arrivals distribution. We give two statistics that cater processes may be under‐, equi‐ or overdispersed. The first is based on the Katz family which includes Poisson, binomial negative distributions as special cases. second uses generalized Poisson distribution case can also under‐ over‐...

10.1111/jtsa.12014 article EN Journal of Time Series Analysis 2012-12-07

The majority of pregnant women in Taiwan are not considered physically active. During pregnancy, many decrease their physical activity levels when compared to pre-pregnancy. purpose this study was examine the association between decreased from pre-pregnancy pregnancy and excessive gestational weight gain (GWG). This applied a prospective panel design. Recruitment conducted at six medical facilities lasted August 2016 April 2017. Physical were determined both before during using International...

10.3390/ijerph182312597 article EN International Journal of Environmental Research and Public Health 2021-11-29

This study was performed to determine if pyruvate, which acts as a critical intermediate in energy metabolism, can substitute the role of glutamate metabolic fuel and effectively reduce nitrogen excretion pigs. First, experiment vitro carried out investigate effects culturing porcine small intestinal epithelial cell line with pyruvate on oxidation. Then, barrows weighing 40 kg were used investigating changes balance response addition low-protein diets. Last, (40 kg), surgically fitted...

10.1093/jas/sky237 article EN Journal of Animal Science 2018-07-27

The extensive metabolism of amino acids (AA) as fuel is an important reason for the low use efficiency protein in pigs. In this study, we investigated whether regulation pyruvate dehydrogenase kinase (PDK)/pyruvate alpha 1 (PDHA1) pathway affected AA consumption by porcine intestinal epithelial (IPEC-J2) cells and bacteria effects knockdown PDHA1 PDK1 with small interfering RNA (siRNA) on nutrient IPEC-J2 were evaluated. then cultured sodium dichloroacetate (DCA) to quantify glucose...

10.1021/acs.jafc.7b05800 article EN Journal of Agricultural and Food Chemistry 2018-02-23

In this paper, we compare the method of Gunter et al. (2011) for variable selection in treatment comparison analysis (an approach to regression where treatment-covariate interactions are deemed important) with a simple stepwise that introduce. The has several advantages, most notably its generalization to  models not necessarily linear, simplicity and intuitive nature. We show new works surprisingly well compared more complex when linear framework. use four generative (explicitly...

10.18187/pjsor.v7i2-sp.311 article EN Pakistan Journal of Statistics and Operation Research 2011-09-29

This article addresses whether the promotion of China’s provincial leadership can be explained through economic growth or alternative factors (experience, education having previously held a central government post). We use definitions, based on official administrative rankings and more accurate reflection political-governmental power relationships, five econometric models. Analysis is also located within specific scholarship about in Chinese bureaucracy, bureaucratic cultures transitions...

10.1177/2399654418791580 article EN Environment and Planning C Politics and Space 2018-08-16

In view of short distance, inaccurate counting and slow speed the intelligent meter reading system, design scheme a remote system based on GPRS is put forward. The hardware mainly includes four parts: wireless communication module, concentrator, collector, monitoring center. layer adopts double structure, upper channel, lower power carrier, running stability guaranteed. System software data acquisition, transmission, display, host computer management monitoring. designed by this could...

10.1109/cac.2017.8243389 article EN 2017-10-01
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