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Sensitivity analysis of the deterioration of concrete strength in marine environment to multiple corrosive

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 175-190 doi: 10.1007/s11709-021-0791-z

Abstract: The corrosion degradation behavior of concrete materials plays a crucial role in the change of its mechanical properties under multi-ion interaction in the marine environment. In this study, the variation in the macro-physical and mechanical properties of concrete with corrosion time is investigated, and the source of micro-corrosion products under different salt solutions in seawater are analyzed. Regardless of the continuous hydration effect of concrete, the damage effects of various corrosive ions (Cl–, SO42−, and Mg2+, etc.) on the tensile and compressive strength of concrete are discussed based on measurement in different salt solutions. The sensitivity analysis method for concrete strength is used to quantitatively analyze the sensitivity of concrete strength to the effects of each ion in a multi-salt solution without considering the influence of continued hydration. The quantitative results indicate that the addition of Cl– can weaken the corrosion effect of SO42− by about 20%, while the addition of Mg2+ or Mg2+ and Cl– can strengthen it by 10%–20% during a 600-d corrosion process.

Keywords： sensitivity analysis     concrete strength     corrosion deterioration     multi-ion interaction     marine environment    

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Fully stochastic analysis method for structural time-independent reliability

Du Bin,Xiang Tianyu,Zhao Renda

Strategic Study of CAE 2010, Volume 12, Issue 3,   Pages 108-112

Abstract: structural resistances and the action effects are independent, based on the characteristics of the resistanceand action effects variation with time, considering the resistance is an independent increment processand calculating the self-revelation coefficient of resistance, an approximate algorithm of failure probability

Keywords： existing structure     stochastic process     time-dependent reliability     action effects     resistance deterioration    

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Environmental deterioration of farmlands caused by the irrational use of agricultural technologies

Xubin Pan,Zhongkui Luo,Yongbo Liu

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0865-7

Abstract: agricultural technologies could bring only short-term economic benefits but leave long-term environmental deterioration

Keywords： agricultural film     groundwater exploitation     food security     environmental cost    

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Safety Guarantee Measures for Subsea Shield Tunnel Segments Based on Life Cycle Deterioration Analysis

Liu Sijin,He Chuan,Sun Qi and Feng Kun

Strategic Study of CAE 2017, Volume 19, Issue 6,   Pages 52-60 doi: 10.15302/J-SSCAE-2017.06.008

Abstract: Based on an analysis of existing research into segment joint erosion and deterioration, a tunnel serviceseawater pressure infiltration and chloride ion erosion and migration, a model analyzing the erosion and deteriorationThe law governing the progressive erosion and deterioration of the segment joints of subsea tunnels overThe effects of seawater pressure and ion concentration on the erosion, deterioration, and steel corrosionBased on the analysis of erosion and deterioration over the entire life cycle, economic and rational

Keywords： shield tunnel     safety guarantee     deterioration analysis     ion erosion     segment joint    

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Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 153-165 doi: 10.1007/s11709-012-0153-y

Abstract: It has been found that the strength deterioration of improved soil in deep mixing method is due to 1)

Keywords： soil solidification     ground environment     strength deterioration     pH     oxidation-reduction potential (ORP)    

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Prevalence of antifolate drug resistance markers in in China

Frontiers of Medicine 2022, Volume 16, Issue 1,   Pages 83-92 doi: 10.1007/s11684-021-0894-x

Abstract: dhfr) and dihydropteroate synthetase (dhps) genes of Plasmodium vivax and antifolate resistance-associatedgenes were used for drug resistance surveillance.This study indicated that the antifolate resistance levels of P. vivax parasites were differentacross China and molecular markers could be used to rapidly monitor drug resistance.

Keywords： drug resistance     antifolates     molecular markers     Plasmodium vivax     China    

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Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 4-4 doi: 10.1007/s11783-021-1438-y

Abstract: Mariculture systems have been observed to host microplastics and antibiotic resistance genes (ARGs).However, more information on proliferation of ARGs and metal resistance genes (MRGs) in mariculture system

Keywords： Antibiotic resistance genes     Metal resistance genes     Metagenomic analysis     Microplastics     Mariculture    

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Evaluating effect of chloride attack and concrete cover on the probability of corrosion

Sanjeev Kumar VERMA, Sudhir Singh BHADAURIA, Saleem AKHTAR

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 379-390 doi: 10.1007/s11709-013-0223-9

Abstract: Corrosion of reinforced concrete (RC) structures is one of the significant causes of deterioration of

Keywords： concrete     chloride     reinforcement     corrosion     deterioration     cover    

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Taking advantage of drug resistance, a new approach in the war on cancer

Liqin Wang, Rene Bernards

Frontiers of Medicine 2018, Volume 12, Issue 4,   Pages 490-495 doi: 10.1007/s11684-018-0647-7

Abstract: While most cancer therapies are given in combinations that are designed to avoid drug resistance, wetherapeutic approaches that take advantage of the changes in cancer cells that arise upon development of drug resistanceThis approach is based on notion that drug resistance comes at a fitness cost to the cancer cell that

Keywords： cancer     drug resistance     genetic screens     senescence     targeted therapy    

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Targeting apoptosis to manage acquired resistance to third generation EGFR inhibitors

Frontiers of Medicine 2022, Volume 16, Issue 5,   Pages 701-713 doi: 10.1007/s11684-022-0951-0

Abstract: A significant clinical challenge in lung cancer treatment is management of the inevitable acquired resistanceEvasion of apoptosis is considered a key hallmark of cancer and acquisition of apoptosis resistance isaccordingly a key mechanism of drug acquired resistance in cancer therapy.to apoptosis is tightly associated with the emergence of acquired resistance.undergo apoptosis using various means promises an effective strategy for the management of acquired resistance

Keywords： acquired resistance     EGFR inhibitor     apoptosis     lung cancer    

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Alkali-silica Reaction and Alkali-carbonate Reaction

Tang Mingshu

Strategic Study of CAE 2000, Volume 2, Issue 1,   Pages 34-40

Abstract: chemical reaction between the reactive aggregate and alkali causes serious expansion and results in the deterioration

Keywords： alkali     aggregate     silica     carbonate     concrete deterioration     mechanism    

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Transmission of antibiotic resistance genes in agroecosystems: an overview

Jizheng HE, Zhenzhen YAN, Qinglin CHEN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 3,   Pages 329-332 doi: 10.15302/J-FASE-2020333

Abstract: antibiotics into the environment, which imposes high selection pressure on bacteria to develop antibiotic resistanceThe spread and aggregation of antibiotic resistance genes (ARGs) in multidrug-resistant pathogens isThe future need to control and mitigate the spread of antibiotic resistance in agricultural ecosystems

Keywords： agroecosystem     antibiotic resistance     public health     soil-plant system    

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swine manure with sulfamethoxazole and norfloxacin: Dynamics of microbial communities and evolution of resistance

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1342-x

Abstract:

• SMX addition had negative effect on acetoclastic methanogens in mesophilic AD.

Keywords： Pig manure     Antibiotics     Anaerobic digestion     Resistance genes     Microbial community    

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Degradation of extracellular genomic, plasmid DNA and specific antibiotic resistance genes by chlorination

Menglu Zhang, Sheng Chen, Xin Yu, Peter Vikesland, Amy Pruden

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1124-5

Abstract:

Extracellular DNA structure damaged by chlorination was characterized.

Integrity of extracellular ARG genetic information after chlorination was determined.

Typical chlorine doses will likely effectively diminish extracellular DNA and ARGs.

Plasmid DNA/ARGs were less readily broken down than genomic DNA.

The Bioanalyzer methodology effectively documented damage incurred to DNA.

Keywords： Antibiotic resistance     Antibiotic resistance genes (ARGs)     Extracellular DNA/ARGs     Chlorination    

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Insulin resistance and the metabolism of branched-chain amino acids

Jingyi Lu, Guoxiang Xie, Weiping Jia, Wei Jia

Frontiers of Medicine 2013, Volume 7, Issue 1,   Pages 53-59 doi: 10.1007/s11684-013-0255-5

Abstract:

Insulin resistance (IR) is a key pathological feature of metabolic syndrome and subsequently causes

Keywords： branched-chain amino acids     leucine     isoleucine     valine     insulin resistance    

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Title Author Date Type Operation

Sensitivity analysis of the deterioration of concrete strength in marine environment to multiple corrosive

Journal Article

Fully stochastic analysis method for structural time-independent reliability

Du Bin,Xiang Tianyu,Zhao Renda

Journal Article

Environmental deterioration of farmlands caused by the irrational use of agricultural technologies

Xubin Pan,Zhongkui Luo,Yongbo Liu

Journal Article

Safety Guarantee Measures for Subsea Shield Tunnel Segments Based on Life Cycle Deterioration Analysis

Liu Sijin,He Chuan,Sun Qi and Feng Kun

Journal Article

Effect of environment change on the strength of cement/lime treated clays

Takenori HINO, Rui JIA, Seiji SUEYOSHI, Tri HARIANTO

Journal Article

Prevalence of antifolate drug resistance markers in in China

Journal Article

Metagenomic analysis on resistance genes in water and microplastics from a mariculture system

Journal Article

Evaluating effect of chloride attack and concrete cover on the probability of corrosion

Sanjeev Kumar VERMA, Sudhir Singh BHADAURIA, Saleem AKHTAR

Journal Article

Taking advantage of drug resistance, a new approach in the war on cancer

Liqin Wang, Rene Bernards

Journal Article

Targeting apoptosis to manage acquired resistance to third generation EGFR inhibitors

Journal Article

Alkali-silica Reaction and Alkali-carbonate Reaction

Tang Mingshu

Journal Article

Transmission of antibiotic resistance genes in agroecosystems: an overview

Jizheng HE, Zhenzhen YAN, Qinglin CHEN

Journal Article

swine manure with sulfamethoxazole and norfloxacin: Dynamics of microbial communities and evolution of resistance

Journal Article

Degradation of extracellular genomic, plasmid DNA and specific antibiotic resistance genes by chlorination

Menglu Zhang, Sheng Chen, Xin Yu, Peter Vikesland, Amy Pruden

Journal Article

Insulin resistance and the metabolism of branched-chain amino acids

Jingyi Lu, Guoxiang Xie, Weiping Jia, Wei Jia

Journal Article