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Effect of different gas releasing methods on anaerobic fermentative hydrogen production in batch cultures

Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 901-906 doi: 10.1007/s11783-012-0403-1

Abstract: Decreasing hydrogen partial pressure can not only increase the activity of the hydrogen enzyme but alsowas compared, i.e., Owen method with intermediately release, continuous releasing method, and continuousreleasing+ CO absorbing.production was only 28 mL when releasing gas by Owen method, while it increased two times when releasingmethod, whereas the butyrate predominated and reached 47%–53% of the total liquid end products when releasing

Keywords： batch fermentation     hydrogen production     biogas releasing     hydrogen pressure     homoacetogenesis    

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Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 298-304 doi: 10.1007/s11465-013-0265-7

Abstract: charging and hydrogen spontaneously releasing are investigated by tensile tests.After hydrogen releasing, the specimens recovered a certain extent but not all of its original ductilitymicroscope (SEM) micrographs of fracture surfaces reveal that irreversible damage had developed in the hydrogen-releasingspecimens during the releasing process rather than the charging process.during hydrogen releasing.

Keywords： hydrogen embrittlement     ductility loss     hydrogen releasing     control strategy     304L austenitic stainless steel    

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Research on an intelligent device for releasing main cable strand of suspension bridge in horizontal

Shen Wang,Yu Jianqun,Gu Qinghua,Mao Youda

Strategic Study of CAE 2010, Volume 12, Issue 7,   Pages 4-7

Abstract: style="text-align: justify;">The design principle, installation and test of a passive automatic cable releasingIt is based on horizontal retractable technology and used for releasing main cable strand of suspension

Keywords： suspension bridge     main cable strand     intelligent     cable releasing device    

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Oxygen Penetration Through Full-Thickness Skin by Oxygen-Releasing Sutures for Skin Graft Transplantation Article

Wenjing Zai, Yunong Yuan, Lin Kang, Jialong Xu, Yiqiao Hu, Lifeng Kang, Jinhui Wu

Engineering 2023, Volume 29, Issue 10,   Pages 83-94 doi: 10.1016/j.eng.2023.05.006

Abstract:

The transplantation of full-thickness skin grafts (FTSGs) is important for reconstructing skin barrier and promoting wound healing. Sufficient oxygen supply is closely related to the success of skin grafting. However, full-thickness oxygen delivery is limited by the poor oxygen permeability of skin. Oxygenreleasing sutures (O2 sutures) were developed to facilitate oxygen penetration through full-thickness skin. The O2 sutures delivered 100 times more oxygen than topical gaseous oxygen therapy at a 15 mm depth in the skin model. Under extreme hypoxia (< 0.5% O2, v/v), O2 sutures could also promote endothelial cell proliferation. After the transplantation of FTSGs in mice, O2 sutures accelerated blood re-perfusion and increased the survival area of the skin graft. It is expected that O2 sutures will be adopted in clinical applications to increase the success rate of full-thickness skin transplantation.

Keywords： Wound     Skin graft transplantation     Oxygen-releasing sutures     Full-thickness oxygen delivery    

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A systemic review of hydrogen supply chain in energy transition

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 102-122 doi: 10.1007/s11708-023-0861-0

Abstract: Targeting the net-zero emission (NZE) by 2050, the hydrogen industry is drastically developing in recentHowever, the technologies of hydrogen upstream production, midstream transportation and storage, andIn this paper, the development of hydrogen industry from the production, transportation and storage,In the upstream, blue hydrogen is dominating the current hydrogen supply, and an implementation of carbonTo achieve an economic feasibility, green hydrogen needs to reduce its cost by 75% to approximately 2

Keywords： hydrogen production     hydrogen transportation and storage     hydrogen economy     carbon capture and sequestration    

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Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 1,   Pages 34-63 doi: 10.1007/s11705-021-2050-1

Abstract: Moreover, we also introduced some probes for hydrogen polysulfides.

Keywords： hydrogen sulfide     fluorescent probe     reducibility     nucleophilicity     copper sulfide precipitate     hydrogen    

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Production of hydrogen from fossil fuel: A review

Frontiers in Energy 2023, Volume 17, Issue 5,   Pages 585-610 doi: 10.1007/s11708-023-0886-4

Abstract: Production of hydrogen, one of the most promising alternative clean fuels, through catalytic conversionCatalytic conversion of natural gas into hydrogen and carbon is thermodynamically favorable under atmosphericHowever, using noble metals as a catalyst is costly for hydrogen production, thus mandating non-nobleThis paper reviews the various hydrogen production methods from fossil fuels through pyrolysis, partialoxidation, autothermal, and steam reforming, emphasizing the catalytic production of hydrogen via steam

Keywords： methane     catalytic conversion     natural gas     hydrogen production     CCUS    

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Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 667-677 doi: 10.1007/s11708-021-0767-7

Abstract: process large breadth of potential synthetic diversity are the representative of photocatalysts for hydrogenshowed a superior photocatalytic activity and a robust stability under visible-light irradiation, for hydrogenFinally, challenges and outlook on using organic polymer dots-based photocatalysts from hydrogen production

Keywords： polymer dots (Pdots)     photocatalysis     hydrogen production    

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The opportunity of membrane technology for hydrogen purification in the power to hydrogen (P2H) roadmap

Hiep Thuan Lu, Wen Li, Ehsan Soroodan Miandoab, Shinji Kanehashi, Guoping Hu

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 464-482 doi: 10.1007/s11705-020-1983-0

Abstract: This can be achieved by converting the surplus renewable energy into hydrogen gas.effects on the pipelines and is a promising solution for hydrogen transportation and storage if theend-user purification technologies for hydrogen recovery from hydrogen enriched natural gas (HENG) areIn this review, promising membrane technologies for hydrogen separation is revisited and presented.purification in the power to hydrogen roadmap.

Keywords： power to hydrogen     membrane technology     hydrogen     energy    

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Effect of repeated gonadotropin stimulation on ovarian reserves and proliferation of ovarian surface epithelium in mice

Linlin LIANG, Bei XU, Guijin ZHU

Frontiers of Medicine 2009, Volume 3, Issue 2,   Pages 220-226 doi: 10.1007/s11684-009-0037-2

Abstract: This study aimed to evaluate the effect of repeated ovarian stimulation (OS) on the ovarian follicular population and morphology in female mice and its influence on the embryo’s developmental ability, and the profile of the ovarian surface epithelium (OSE). A total of 75 mice were enrolled in this experiment and randomly assigned into three groups: repeated ovarian stimulated group [ =25; receiving 5 IU pregnant mare serum gonadotrophin (PMSG) and human chorionic gonadotropin (hCG) at 6 day intervals for 5 cycles]; single ovarian stimulated group ( =25; receiving 5 IU PMSG and hCG for 1 cycle), and control group ( =25; without additional treatment). The follicle number at various stages and the morphologies were recorded respectively in the three groups. The harvested oocytes or embryos, cleavage rate, good quality embryo rate, and blastocyst production rate were counted and calculated, and the proliferations of ovarian surface epithelium were evaluated respectively. In the three groups, the single ovarian stimulation treatment significantly increased the mean number of ovarian oocytes or embryos (39.25±10.77 one-cell embryos/female); on the other hand, repeated gonadotropin stimulation obtained the lowest mean number (5.15± 2.81 eggs/female, <0.01). Repeated ovarian stimulation also tended to decrease normal follicles of primary follicles (66.67%) and secondary follicles (72.86%), and got the lowest cleavage rate (67.47%), lowest good quality embryo rate (2.41%), and lowest blastocyst production rate (0). The OSE cells adjacent to the antral follicles and corpus luteum (CL) in the repeated ovarian stimulated group (81.8%) had a significantly higher proliferation rate than the other groups. The proliferation rate of the OSE in the single ovarian stimulated group (56.4%) was significantly higher than that in the control group (37.5%) ( <0.01). In conclusion, single ovarian stimulation may produce more oocytes/embryos. However, repeated gonadotropin stimulation may have a negative effect on the ovarian follicular quality, the number of mature retrieved oocytes, and the embryo quality, even increasing the chance of ovarian cancer.

Keywords： gonadotropin-releasing hormone     ovarian reserve     embryo developmental ability     ovarian surface epithelium    

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Development Strategy of Hydrogen Energy Industry in China

LingWen , Li Quansheng , Zhang Kai

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 80-88 doi: 10.15302/J-SSCAE-2022.03.009

Abstract:

Hydrogen energy is crucial for building a clean, low-carbon, safe, andIn this article, we expound on the progress of global hydrogen energy industry and summarize the developmentstatus of China’s hydrogen energy industry from the aspects of scale, characteristics, and policiesThe demand for and problems of China’s hydrogen energy industry are analyzed.of the entire hydrogen energy industry chain, and enhance hydrogen technology innovation to achieve

Keywords： hydrogen energy industry     carbon neutralization     carbon peak     hydrogen production     hydrogen supply     hydrogen    

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Therapeutic application of hydrogen sulfide donors: the potential and challenges

Dan Wu,Qingxun Hu,Yizhun Zhu

Frontiers of Medicine 2016, Volume 10, Issue 1,   Pages 18-27 doi: 10.1007/s11684-015-0427-6

Abstract:

Hydrogen sulfide (H2S), a colorless gas smelling of rotten egg, has long been consideredIn this review, we summarize the chemistry and biomedical applications of H2S-releasing compounds

Keywords： hydrogen sulfide     cardiovascular     cancer     hypertension    

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Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Frontiers in Energy doi: 10.1007/s11708-023-0870-z

Abstract: Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Keywords： threshold solar water     splitting hydrogen III    

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A mini-review of ferrites-based photocatalyst on application of hydrogen production

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 621-630 doi: 10.1007/s11708-021-0761-0

Abstract: Photocatalytic water splitting for hydrogen production is a promising strategy to produce renewable energysub>3N4 are also summarized to illustrate the advanced improvement in photocatalytic hydrogen

Keywords： photocatalyst     spinel-ferrite     composite     photocatalytic hydrogen production    

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Function-reversible facets enabling SrTiO nanocrystals for improved photocatalytic hydrogen evolution

Frontiers in Energy doi: 10.1007/s11708-023-0894-4

Abstract: In such cases, only one family of facets can be used for photocatalytic hydrogen evolution.paper proposed a strategy to achieve the full-facets-utilization of the nanocrystals for photocatalytic hydrogenfacets which were responsible for photooxidation reaction can be function-reversed for photocatalytic hydrogenThus, the full-facets-utilization led to a much-improved activity for photocatalytic hydrogen, in contrast

Keywords： SrTiO3 nanocrystals     crystal facets     photocatalysis     hydrogen evolution    

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Title Author Date Type Operation

Effect of different gas releasing methods on anaerobic fermentative hydrogen production in batch cultures

Sheng CHANG, Jianzheng LI, Feng LIU, Ze YU

Journal Article

Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG, Jianming GONG, Yong JIANG, Wenchun JIANG, Wang JIANG

Journal Article

Research on an intelligent device for releasing main cable strand of suspension bridge in horizontal

Shen Wang,Yu Jianqun,Gu Qinghua,Mao Youda

Journal Article

Oxygen Penetration Through Full-Thickness Skin by Oxygen-Releasing Sutures for Skin Graft Transplantation

Wenjing Zai, Yunong Yuan, Lin Kang, Jialong Xu, Yiqiao Hu, Lifeng Kang, Jinhui Wu

Journal Article

A systemic review of hydrogen supply chain in energy transition

Journal Article

Recent advances of small-molecule fluorescent probes for detecting biological hydrogen sulfide

Journal Article

Production of hydrogen from fossil fuel: A review

Journal Article

Organic conjugated polymers and polymer dots as photocatalysts for hydrogen production

Journal Article

The opportunity of membrane technology for hydrogen purification in the power to hydrogen (P2H) roadmap

Hiep Thuan Lu, Wen Li, Ehsan Soroodan Miandoab, Shinji Kanehashi, Guoping Hu

Journal Article

Effect of repeated gonadotropin stimulation on ovarian reserves and proliferation of ovarian surface epithelium in mice

Linlin LIANG, Bei XU, Guijin ZHU

Journal Article

Development Strategy of Hydrogen Energy Industry in China

LingWen , Li Quansheng , Zhang Kai

Journal Article

Therapeutic application of hydrogen sulfide donors: the potential and challenges

Dan Wu,Qingxun Hu,Yizhun Zhu

Journal Article

Approaching the commercial threshold of solar water splitting toward hydrogen by III-nitrides nanowires

Journal Article

A mini-review of ferrites-based photocatalyst on application of hydrogen production

Journal Article

Function-reversible facets enabling SrTiO nanocrystals for improved photocatalytic hydrogen evolution

Journal Article