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159. Molten Salt Thermal Treatment Synthesis of S-Doped V2CTxand Its Performance as a Cathode in Aqueous Zn-Ion Batteries

Author

Jiang, Weiyan, Shi, Huizhong, Shen, Miao, Tang, Rui, Tang, Zhongfeng, and Wang, Jian-Qiang

Abstract

The lack of suitable cathode materials with a high capacity and good stability is a crucial problem affecting the development of aqueous Zn-ion batteries. Herein, a novel strategy for the modification of V2CTxthrough molten salt thermal treatment is proposed. In the novel route, S heteroatoms were introduced into V2CTxthrough a substitution reaction during the dissolution of Li2S in LiCl–KCl molten salts. Then, surface V2O5was obtained through the in situ electrochemical charging/discharging of the S-doped V2CTx(MS-S-V2CTx) cathode. The assembled Zn/MS-S-V2CTxbattery showed a high reversible discharge capacity of 411.3 mAh g–1at a current density of 0.5 A g–1, an 80% capacitance retention after long cycle stability tests at 10 A g–1for 3000 cycles, and a high energy density of 375.5 Wh kg–1in 2M ZnSO4. Density functional theory calculations demonstrate that the improved electrochemical performance of the cathode can be attributed to the introduced S heteroatoms, which considerably reduced the ion diffusion energy barrier for Zn2+ions and improved the stability of V2O5. This work provides a novel method to produce highly active and stable vanadium-based cathodes for aqueous Zn-ion batteries.

Published
2022
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160. An observational study on Ca supplementation and dietary intake during pregnancy on low birth weight and small for gestational age.

Author

Dai, Wei, Deng, Xiaohui, Li, Lanlan, Qiu, Jie, Mao, Baohong, Shao, Yawen, Xu, Sijuan, Yang, Tao, He, Xiaochun, Cui, Hongmei, Lin, Xiaojuan, Lv, Ling, Tang, Zhongfeng, and Liu, Qing

Abstract

Objective: To evaluate the effects of dietary Ca intake and Ca supplementation during pregnancy on low birth weight (LBW) and small for gestational age (SGA) infants. Design: A birth cohort study was conducted in 2010–2012 at the Gansu Provincial Maternity and Child Care Hospital in Lanzhou, China. Setting: A birth cohort study. Participants: Totally, 9595 pregnant women who came to the hospital for delivery at 20 weeks of gestation or more, and who were 18 years of age or older. Results: Compared with non-users, Ca supplement users had a reduced risk of LBW infants (OR = 0·77, 95 % CI: 0·63, 0·95) and a reduced risk of nulliparous women giving birth to LBW infants (OR = 0·75, 95 % CI: 0·58, 0·98) (P < 0·05). More specifically, both the use of Ca supplement before conception and during pregnancy (OR = 0·44, 95 % CI: 0·19, 0·99) and during pregnancy only (OR = 0·80, 95 % CI: 0·65, 0·99) had the main effect of reducing risk of nulliparous women giving birth to LBW infants (P < 0·05). There was no association between Ca supplementation and SGA (OR = 0·87, 95 % CI: 0·75, 1·01) (P > 0·05). However, higher dietary Ca intake during pregnancy decreases the risk of both LBW (quartile 2: OR = 0·72, 95 % CI: 0·55, 0·94; quartile 3: OR = 0·68, 95 % CI: 0·50, 0·62) and SGA infants (quartile 2: OR = 0·77, 95 % CI: 0·63, 0·95; quartile 3: OR = 0·71, 95 % CI: 0·57, 0·88, quartile 4: OR = 0·71, 95 % CI: 0·57, 0·88) (P < 0·05). Conclusions: Ca supplementation and adequate dietary intake of Ca during pregnancy are associated with a decreased risk of LBW infants born to nulliparous women. [ABSTRACT FROM AUTHOR]

Published
2021
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161. Molten salt-promoted MgO-based CO2adsorbents: Selective adsorption on polycrystalline surfaces

Author

Gui, Changqing, Wang, Zirui, Ling, Changjian, and Tang, Zhongfeng

Abstract

Molten salt-doped MgO adsorbent is considered one of the most promising CO2adsorbents in the field. In this work, MgO-based adsorbents were prepared by one-step calcination using MgCl2·6 H2O as magnesium source. The CO2adsorption performance of MgO-based adsorbents was investigated via different methods. Results showed that the maximum CO2adsorption capacity of MgO doped by LiNO3-NaNO3-KNO3was 57.1% at the CO2concentration of 80% and 350 ℃, and the MgO-based adsorbents showed good regeneration. The nanosheet structure of the MgO-based adsorbents decreased with the increase in the number of cycles, whereas the crystal structures of MgO and alkali metal nitrates did not change because of multiple decarbonization. DFT computation revealed selective adsorption of CO2on different crystal faces of MgO. The (200) crystal face of molten salt-doped MgO did not have CO2trap ability. In addition, the doped nitrate did not directly participate in the reaction but reduced the adsorption energy of MgO carbonation. The adsorption energies of the MgO (220) and (222) crystal faces after doping with nitrate were reduced to − 2.07 and − 3.26 eV, respectively. The overall energy level of adsorption decreased as the number of resonance peaks and the stability of the structure increased. This study explains why MgO currently fails to reach the theoretical adsorption capacity and reveals the underlying mechanism of molten salts.

Published
2024
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162. In situ Raman and XRD study of CO2 sorption and desorption in air by a Na4SiO4–Na2CO3 hybrid sorbent.

Author

Wang, Zirui, Liu, Weihua, Tang, Zhongfeng, and Xu, Qian

Abstract

Silicate–carbonate mixtures as new CO2 capture agents have the latent application potential. CO2 sorption or desorption processes using the Na4SiO4–Na2CO3 mixture sorbent in air were analyzed by in situ Raman spectroscopy and X-ray diffraction from 25 °C to 900 °C. The results show that the Na4SiO4–Na2CO3 mixture sorbent could continuously absorb and strip CO2 by thermal swinging. The CO2 sorption was produced via a two-step process depending on the temperature range. Initially, CO2 dissolved in carbonate to produce pyrocarbonate (C2O52−) ions, which subsequently reacted with SiO44− anion to produce the polymer silicates and CO32− anion. The C2O52− anion on the surface of the silicates promoted CO2 transformation to CO32− anion through the reaction with SiO44− anions. The CO32− anion decomposed the polymer silicates to produce orthosilicates and CO2 gas again at high temperature. By this circulation, CO2 could dissolve in carbonate more easily and be absorbed and stripped continuously by thermal swinging in the mixture sorbent than the pure carbonate. The processes of recovering heat and separating CO2 from flue gas simultaneously without decreasing the temperature is an economical and attractive method for energy conservation. It offers the theoretical basis for developing new heat-storage and CO2-capture technology. [ABSTRACT FROM AUTHOR]

Published
2020
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163. Lead bioaccumulation, subcellular distribution and chemical form in sugarcane and its potential for phytoremediation of lead-contaminated soil.

Author

Xu, Guiping, Deng, Chaobing, Wang, Jin, Zhu, Hongxiang, Sun, Zhuo, Wang, Xiaofei, Zhu, Kaixian, Yin, Juan, and Tang, Zhongfeng

Subjects
SUGARCANE, LEAD toxicology, PHYTOREMEDIATION, BIOACCUMULATION, ACETIC acid, SOILS
Abstract

Sugarcane is a promising species for lead (Pb) phytoextraction due to its large biomass and high tolerance toward Pb content. To understand the mechanisms involved in Pb tolerance and detoxification and its potential for phytoremediation in sugarcane, the bioaccumulation, subcellular distribution, and chemical forms of Pb in different tissues were investigated through pot cultivation sugarcane with increasing Pb concentrations in the present study. Results showed that sugarcane could tolerate high concentrations of Pb (up to 1250.0–1750.0 mg/kg); the Pb content in roots and shoots increased with increasing Pb concentration. A large amount of Pb content was stored in roots. The subcellular distribution of Pb in sugarcane revealed that the majority of Pb was bound to the cell wall. Meanwhile, the greatest amount of Pb was extracted by 2.0% acetic acid and 0.6 mol/L HCl, which indicated that most of Pb was combined with undissolved phosphate and oxalate. These results implied that the Pb formation of undissolved salts and compartmentalization in the cell wall may be a key strategy for Pb detoxicity and tolerance in sugarcane. [ABSTRACT FROM AUTHOR]

Published
2020
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165. Ni, Cr, and Fe surfaces corroded by molten ZnCl2.

Author

Wang, Xueliang, Yin, Huiqin, Liu, Wenguan, Yu, Guojun, He, Jian, Tang, Zhongfeng, and Yan, Long

Subjects
METAL coating, LIQUID metals, PITTING corrosion, METALLIC surfaces, SURFACE coatings, NICKEL-chromium alloys
Abstract

Understanding the corrosion of molten ZnCl2 on metal surfaces is significant for the corrosion protection of metals, sustainable use of molten salts, preparation of ZnO coatings, and so on. In this paper, surfaces of pure Ni, Cr, and Fe corroded by molten ZnCl2 were investigated. The results show that Ni suffered very slight corrosion, while Cr experienced more serious corrosion than Ni, but lighter corrosion than Fe. The morphology of the corrosion of Cr and Fe, respectively, presented pitting and intergranular corrosion characteristics. Furthermore, nanostructured ZnO coatings were obtained on the surfaces of Ni and Fe, but not on the surface of Cr. The ZnO coating on the Ni surface was doped with a small amount of Zn5(OH)8Cl2, and the ZnO coating on the Fe surface was doped with ZnFe2O4 and Zn2OCl2. The coatings on the Ni and Fe surfaces had an average thickness of 1.5 and 50 μm, respectively. [ABSTRACT FROM AUTHOR]

Published
2020
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172. SAXS Studies on the Structure Behaviors of Crosslinked PTFE Irradiated by Gamma Ray

Author

Wu Guozhong, Wang Jie, XU Hongjie, Tian Feng, Tang Zhongfeng, and Li Xiuhong

Subjects
Materials science, Polytetrafluoroethylene, Polymers and Plastics, Scattering, Small-angle X-ray scattering, Gamma ray, Analytical chemistry, law.invention, Crystallinity, chemistry.chemical_compound, chemistry, law, Materials Chemistry, Ceramics and Composites, Irradiation, Crystallization, Thermal analysis, Nuclear chemistry
Abstract

The structural changes of crosslinked polytetrafluoroethylene (XPTFE) by gamma ray irradiation in air at room temperature were studied by thermal analysis and SAXS techniques. The chain scission of irradiated XPTFE was predominant in room temperature and increased with an increase of dose. The crystallization is enhanced by chain scission during irradiation. The melting temperature and melting heat of XPTFE irradiated by gamma ray increased with the adsorbed dose. The scattering intensity of samples decreased with increasing dose. The fractal dimension of sample decreased but the thickness of transition layer parameter becomed smaller before 100 kGy gamma ray dose, and then it increased with dose above 100 kGy Irradiated XPTFE samples exhibited self-similarity structure. Chain scission of XPTFE is responsible for its structural change after XPTFE irradiated by gamma ray in air.

Published
2011
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173. Pre-pregnancy BMI, gestational weight gain and risk of preeclampsia: a birth cohort study in Lanzhou, China

Author

Shao, Yawen, primary, Qiu, Jie, additional, Huang, Huang, additional, Mao, Baohong, additional, Dai, Wei, additional, He, Xiaochun, additional, Cui, Hongmei, additional, Lin, Xiaojuan, additional, Lv, Ling, additional, Wang, Dennis, additional, Tang, Zhongfeng, additional, Xu, Sijuan, additional, Zhao, Nan, additional, Zhou, Min, additional, Xu, Xiaoying, additional, Qiu, Weitao, additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2017
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174. Maternal folic acid supplementation and dietary folate intake and congenital heart defects

Author

Mao, Baohong, primary, Qiu, Jie, additional, Zhao, Nan, additional, Shao, Yawen, additional, Dai, Wei, additional, He, Xiaochun, additional, Cui, Hongmei, additional, Lin, Xiaojuan, additional, Lv, Ling, additional, Tang, Zhongfeng, additional, Xu, Sijuan, additional, Huang, Huang, additional, Zhou, Min, additional, Xu, Xiaoying, additional, Qiu, Weitao, additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2017
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176. Characterization of the effect of He+irradiation on nanoporous-isotropic graphite for molten salt reactors

Author

Zhang, Heyao, He, Zhao, Song, Jinliang, Liu, Zhanjun, Tang, Zhongfeng, Liu, Min, Wang, Yong, and Liu, Xiangdong

Abstract

Irradiation-induced damage of binderless nanoporous-isotropic graphite (NPIG) prepared by isostatic pressing of mesophase carbon microspheres for molten salt reactor was investigated by 3.0 MeV He+irradiation at room temperature and high temperature of 600 °C, and IG-110 was used as the comparation. SEM, TEM, X-ray diffraction and Raman spectrum are used to characterize the irradiation effect and the influence of temperature on graphite radiation damage. After irradiation at room temperature, the surface morphology is rougher, the increase of defect clusters makes atom flour bend, the layer spacing increases, and the catalytic graphitization phenomenon of NPIG is observed. However, the density of defects in high temperature environment decreases and other changes are not obvious. Mechanical properties also change due to changes in defects. In addition, SEM and Raman spectra of the cross section show that cracks appear in the depth range of the maximum irradiation dose, and the defect density increases with the increase of irradiation dose.

Published
2020
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177. Stable Interface between a NaCl–AlCl3Melt and a Liquid Ga Negative Electrode for a Long-Life Stationary Al-Ion Energy Storage Battery

Author

Wang, Junxiang, Jiao, Handong, Song, Wei-Li, Wang, Mingyong, Tu, Jiguo, Tang, Zhongfeng, and Zhu, Hongmin

Abstract

Intermediate temperature NaCl–AlCl3-based Al-ion batteries are considered as a promising stationary energy storage system due to their low cost, high safety, etc. However, such a cheap electrolyte has a critical feature, i.e., strong corrosion, which results in the short cycle life of the conventional Al-metal anode and also limits the development of the NaCl–AlCl3-based Al-ion batteries. A noncorrosive electrolyte may be a good choice for addressing the above challenge, while it is difficult to obtain the electrolyte that has advantages of both noncorrosion and low cost. Therefore, here, we report a Ga-metal anode in the affordable NaCl–AlCl3electrolyte for constructing a long-life stationary Al-ion energy storage system. This featured liquid metal anode shows good alloying and dealloying processes between metallic Ga and Al, as well as renders superior stability of the interface between the electrolyte and the anode (e.g., smoothly running for over 580 h at 2 mA cm–2). No-corrosion and no-pulverization problems appear in this novel liquid/liquid interface. Those advantages demonstrate that the liquid Ga-metal anode has a great promise for the improvement of the NaCl–AlCl3-based Al-ion batteries for large-scale stationary energy storage applications.

Published
2020
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181. Development of Deep Potentials of Molten MgCl2–NaCl and MgCl2–KCl Salts Driven by Machine Learning

Author

Xu, Tingrui, Li, Xuejiao, Wang, Yang, and Tang, Zhongfeng

Abstract

Molten MgCl2-based chlorides have emerged as potential thermal storage and heat transfer materials due to high thermal stabilities and lower costs. In this work, deep potential molecular dynamics (DPMD) simulations by a method combination of the first principle, classical molecular dynamics, and machine learning are performed to systemically study the relationships of structures and thermophysical properties of molten MgCl2–NaCl (MN) and MgCl2–KCl (MK) eutectic salts at the temperature range of 800–1000 K. The densities, radial distribution functions, coordination numbers, potential mean forces, specific heat capacities, viscosities, and thermal conductivities of these two chlorides are successfully reproduced under extended temperatures by DPMD with a larger size (5.2 nm) and longer timescale (5 ns). It is concluded that the higher specific heat capacity of molten MK is originated from the strong potential mean force of Mg–Cl bonds, whereas the molten MN performs better in heat transfer due to the larger thermal conductivity and lower viscosity, attributed to the weak interaction between Mg and Cl ions. Innovatively, the plausibility and reliability of microscopic structures and macroscopic properties for molten MN and MK verify the extensibilities of these two deep potentials in temperatures, and these DPMD results also provide detailed technical parameters to the simulations of other formulated MN and MK salts.

Published
2024
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182. High temperature corrosion of 321 stainless steel in purified NaCl-MgCl2eutectic salt

Author

Wang, Pengcheng, Pan, T.J., Liu, Weihua, Guo, Lili, and Tang, Zhongfeng

Abstract

High temperature corrosion behaviors of 321 stainless steel (321SS) in purified NaCl-MgCl2eutectic salts were investigated by static corrosion test at 500, 600 and 700 °C for 240 h in Ar. The corrosion rate of 321SS at 500 °C is approximately 60.77 μm/y, and it gradually intensifies with increasing temperatures. The corrosion rate reached 136.70 μm/y at 600 °C and 301.02 μm/y at 700 °C, respectively. As the temperature increases, the accelerated dissolution of Cr leads to intergranular corrosion, and a Fe-Ni phase appears at 600 °C due to the loss of Cr. Obvious intergranular corrosion occurs alongside the zone of Cr active dissolution at 700 °C. 321SS shows good corrosion resistance in purified NaCl-MgCl2at 500 °C. However, the corrosion resistance gradually deteriorates when the temperature exceeds 600 °C. Further, molten salt purification and corrosion control are effective methods to solve high temperature corrosion problems. The results provide basis data for the usage of 321SS in NaCl-MgCl2salt at high temperature.

Published
2024
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189. Study on the microstructure evolution of TiO2‐reinforced HDPE nanocomposites by synchrotron small angle X‐ray scattering.

Author

Li, Xiaoyun, Tang, Zhongfeng, Zhou, Ping, Wang, Jie, Li, Xiuhong, Liu, Guoming, Zhang, Xiuqin, and Li, Liangbin

Subjects
*TITANIUM dioxide, *HIGH density polyethylene, *MICROSTRUCTURE, *NANOCOMPOSITE materials, *SYNCHROTRONS, *X-ray scattering, *DIFFERENTIAL scanning calorimetry
Abstract

This work studies the effect of titanium dioxide (TiO2) nanoparticles on mechanical properties, thermal behavior and microstructures of high‐density polyethylene (HDPE). Differential scanning calorimetry (DSC) results showed that melting temperature and crystallinity of the nanocomposites are affected by incorporating TiO2; the crystallinity reaches maximum at low TiO2 loading following with a significant reduction when the content of TiO2 higher than 2 wt%. To deeply understand structure–property relationship, SAXS experiments were carried out. The results indicated that the nanoparticles were homogeneously distributed in the HDPE matrix. The TiO2 nanoparticles exhibit surface‐fractal characteristic at small scale. At large scale, with TiO2 content increasing, TiO2 clusters grow gradually until 2 wt%. The optimum microstructures and mechanical properties of HDPE/TiO2 nanocomposites were achieved at about 2 wt% loading. POLYM. COMPOS., 39:580–587, 2018. © 2016 Society of Plastics Engineers [ABSTRACT FROM AUTHOR]

Published
2018
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190. Ultra-high thermal conductivity FGN/PVA/MXene composite films with good electrical insulation.

Author

Chen, Xiaowei and Tang, Zhongfeng

Subjects
*ELECTRIC insulators & insulation, *THERMAL conductivity, *ELECTRIC conductivity, *THERMAL resistance, *PHONON scattering, *RAW materials
Abstract

The polyvinyl alcohol (PVA) -based composite films with the high thermal conductivity and excellent electrical insulation have attracted more and more attention due to their advantages such as light weight and easy processing. Herein, a series of three-component fluorographene nanosheets (FGN)/PVA/MXene(FPM) films were prepared by vacuum assisted filtration technology with the single layer FGN (1.5–2.5 μm) and PVA as main raw materials and a small amount of Ti 3 C 2 T x MXene nanosheets (200–600 nm) as the third phase. The FPM films had ultra-high in-plane thermal conductivity of 122.5 W/(m·K) when the addition of Ti 3 C 2 T x MXene was 0.8 wt% of the composite film. The reason is that the Ti 3 C 2 T x MXene nanosheets replace the high thermal resistance PVA molecules and connect the adjacent FGN powders horizontally (via hydrogen bonding), thus greatly reducing phonon scattering at the gap. The FPM films achieve extremely high in-plane thermal conductivity while maintaining excellent insulation and can be used for heat dissipation of small electrical appliances (such as mobile phone CPU). Meanwhile, it provides a new idea for the preparation of composite films with the low cost and high thermal conductivity. [Display omitted] [ABSTRACT FROM AUTHOR]

Published
2023
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191. Design optimization and key thermo-physical properties of the NaCl-KCl-FeCl3molten salts for low-temperature thermal energy storage

Author

Yang, Zhigang, Yin, Huiqin, Guo, Fangyuan, Chen, Liuping, Lai, Xing, Chen, Saijun, Wang, Yajing, and Tang, Zhongfeng

Abstract

Two kinds of NaCl-KCl-FeCl3eutectic salts were developed based on the thermodynamic calculation and experimental measurement for the low-temperature thermal energy storage. The NaCl-FeCl3and KCl-FeCl3systems were firstly carried out through the CALculation of PHAse Diagrams method, where the calculated values were in excellent agreement with the experimental data. A set of reliable thermodynamic parameter of the NaCl-KCl-FeCl3system was finally obtained. The predicted two eutectic temperature (T = 138.6 °C and T = 140.0 °C) of the NaCl-KCl-FeCl3system are in excellent agreement with the present experimental data (T = 138.2 ± 0.2 °C and T = 140.2 ± 0.3 °C). The actual eutectic points of the NaCl-KCl-FeCl3system are placed at 138.2 ± 0.2 °C &XNaCl = 0.35 mol, XKCl = 0.17 mol, and XFeCl3 = 0.48 mol and 140.2 ± 0.3 °C &XNaCl = 0.34 mol, XKCl = 0.13 mol, and XFeCl3 = 0.53 mol. The fusion enthalpies of the NaCl-KCl-FeCl3system are 70.05 ± 1.18 and 75.18 ± 1.27 J/g, respectively. The average specific heat capacities are 0.80 ± 0.02 J/g·°C and 0.90 ± 0.02 J/g·°C, separately. Their decomposition temperatures are 389.4 ± 0.2 °C and 399.6 ± 0.3 °C. The weight losses are still less than 6 wt% even at 400 °C for 300 h. Two kinds of NaCl-KCl-FeCl3eutectic salts have relatively low melting temperature, good thermal stability, suitable working temperature and low cost, which can be considered as one of the promising candidate thermal energy storage materials.

Published
2023
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193. Ambient air pollutant PM10 and risk of pregnancy-induced hypertension in urban China

Author

Huang, Xin, primary, Qiu, Jie, additional, Zhang, Yaqun, additional, Qiu, Weitao, additional, He, Xiaochun, additional, Wang, Yixuan, additional, Sun, Qingmei, additional, Zhao, Nan, additional, Cui, Hongmei, additional, Liu, Sufen, additional, Tang, Zhongfeng, additional, Chen, Ya, additional, Yue, Li, additional, Da, Zhenqiang, additional, Lv, Ling, additional, Lin, Xiaojuan, additional, Zhang, Chong, additional, Zhang, Honghong, additional, Xu, Ruifeng, additional, Zhu, Daling, additional, Xu, Xiaoying, additional, Lin, Ru, additional, Yao, Tingting, additional, Su, Jie, additional, Dang, Yun, additional, Han, Xudong, additional, Zhang, Hanru, additional, Bai, Haiya, additional, Wang, Wendi, additional, Wang, Yueyuan, additional, Liu, Xiaohui, additional, Ma, Bin, additional, Huang, Huang, additional, Liang, Jiaxin, additional, Jiang, Min, additional, Ma, Shuangge, additional, Bell, Michelle L, additional, Kim, Christopher, additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2015
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194. Exposure to cooking fuels and birth weight in Lanzhou, China: a birth cohort study

Author

Jiang, Min, primary, Qiu, Jie, additional, Zhou, Min, additional, He, Xiaochun, additional, Cui, Hongmei, additional, Lerro, Catherine, additional, Lv, Ling, additional, Lin, Xiaojuan, additional, Zhang, Chong, additional, Zhang, Honghong, additional, Xu, Ruifeng, additional, Zhu, Daling, additional, Dang, Yun, additional, Han, Xudong, additional, Zhang, Hanru, additional, Bai, Haiya, additional, Chen, Ya, additional, Tang, Zhongfeng, additional, Lin, Ru, additional, Yao, Tingting, additional, Su, Jie, additional, Xu, Xiaoying, additional, Liu, Xiaohui, additional, Wang, Wendi, additional, Wang, Yueyuan, additional, Ma, Bin, additional, Qiu, Weitao, additional, Zhu, Cairong, additional, Wang, Suping, additional, Huang, Huang, additional, Zhao, Nan, additional, Li, Xiaosong, additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2015
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195. Folic acid supplementation, dietary folate intake and risk of preterm birth in China

Author

Liu, Xiaohui, primary, Lv, Ling, additional, Zhang, Hanru, additional, Zhao, Nan, additional, Qiu, Jie, additional, He, Xiaochun, additional, Zhou, Min, additional, Xu, Xiaoying, additional, Cui, Hongmei, additional, Liu, Sufen, additional, Lerro, Catherine, additional, Lin, Xiaojuan, additional, Zhang, Chong, additional, Zhang, Honghong, additional, Xu, Ruifeng, additional, Zhu, Daling, additional, Dang, Yun, additional, Han, Xudong, additional, Bai, Haiya, additional, Chen, Ya, additional, Tang, Zhongfeng, additional, Lin, Ru, additional, Yao, Tingting, additional, Su, Jie, additional, Wang, Wendi, additional, Wang, Yueyuan, additional, Ma, Bin, additional, Huang, Huang, additional, Liang, Jiaxin, additional, Qiu, Weitao, additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2015
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196. Ambient air pollution and congenital heart defects in Lanzhou, China

Author

Jin, Lan, primary, Qiu, Jie, additional, Zhang, Yaqun, additional, Qiu, Weitao, additional, He, Xiaochun, additional, Wang, Yixuan, additional, Sun, Qingmei, additional, Li, Min, additional, Zhao, Nan, additional, Cui, Hongmei, additional, Liu, Sufen, additional, Tang, Zhongfeng, additional, Chen, Ya, additional, Yue, Li, additional, Da, Zhenqiang, additional, Xu, Xiaoying, additional, Huang, Huang, additional, Liu, Qing, additional, Bell, Michelle L, additional, and Zhang, Yawei, additional

Published
2015
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199. Passive Smoking and Preterm Birth in Urban China

Author

Qiu, Jie, primary, He, Xiaochun, additional, Cui, Hongmei, additional, Zhang, Chong, additional, Zhang, Honghong, additional, Dang, Yun, additional, Han, Xudong, additional, Chen, Ya, additional, Tang, Zhongfeng, additional, Zhang, Hanru, additional, Bai, Haiya, additional, Xu, Ruifeng, additional, Zhu, Daling, additional, Lin, Xiaojuan, additional, Lv, Ling, additional, Xu, Xiaoying, additional, Lin, Ru, additional, Yao, Tingting, additional, Su, Jie, additional, Liu, Xiaohui, additional, Wang, Wendi, additional, Wang, Yueyuan, additional, Ma, Bin, additional, Liu, Sufen, additional, Huang, Huang, additional, Lerro, Catherine, additional, Zhao, Nan, additional, Liang, Jiaxin, additional, Ma, Shuangge, additional, Ehrenkranz, Richard A., additional, Liu, Qing, additional, and Zhang, Yawei, additional

Published
2014
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200. Ambient Air Pollutant PM10 and Risk of Preterm Birth in Lanzhou, China

Author

Zhao*, Nan, primary, qiu, jie, additional, zhang, yaqun, additional, he, xiaochun, additional, zhou, min, additional, li, min, additional, xu, xiaoying, additional, cui, hongmei, additional, lv, ling, additional, lin, xiaojuan, additional, zhang, chong, additional, zhang, honghong, additional, xu, ruifeng, additional, zhu, daling, additional, lin, ru, additional, yao, tingting, additional, dang, yun, additional, han, xudong, additional, zhang, hanru, additional, bai, haiya, additional, chen, ya, additional, tang, zhongfeng, additional, wang, wendi, additional, wang, yueyuan, additional, liu, xiaohui, additional, ma, bin, additional, liu, sufen, additional, qiu, weitao, additional, huang, huang, additional, liang, jiaxin, additional, chen, qiong, additional, jiang, min, additional, jin, lan, additional, holford, theodore, additional, leaderer, brian, additional, bell, michelle, additional, liu, qing, additional, and zhang, yawei, additional

Published
2014
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