NSTL国家科技图书文献中心

1. Efficient biosynthesis of prunin in methanol cosolvent system by an organic solvent-tolerant α -L-rhamnosidase from Spirochaeta thermophila NSTL国家科技图书文献中心

Luo, Chen-Mu | Ke, Li-Fan ... - 《Enzyme and Microbial Technology》 - 2024,175 - ARTN 110410～ - 共11页 - 被引量：1

摘要：Prunin of desirable bioactivity and bioavailability can be transformed from plant-derived naringin by the key enzyme alpha-L-rhamnosidase. However, the production was limited by unsatisfactory propert...

关键词： alpha-L-rhamnosidase | Naringin | Prunin | Biotransformation | Methanol | BIOCHEMICAL-CHARACTERIZATION | NARINGIN | FLAVONOIDS | THERMOSTABILITY | PURIFICATION...

2. Numerical and analytical study on active earth pressure against inverted T-type retaining walls rotating about the base NSTL国家科技图书文献中心

Chen, Fu-Quan | Chen, Hao-Biao ... - 《Acta Geotechnica: An International journal for Geoengineering》 - 2023,18(4) - 2195～2216 - 共22页 - 被引量：8

摘要：This paper investigates the active earth pressure of inverted T-type retaining walls under rotational mode using a slip-line method for the typical failure mechanism simulated with adaptive finite ele...

关键词： Active earth pressure | Inverted T-type retaining wall | RB mode | Slip-line method | STRESS-CHARACTERISTICS | COHESIVE BACKFILL | COEFFICIENTS

3. Active Earth Pressure of Narrow Backfill against Inverted T-Type Retaining Walls Rotating about the Heel EI 工程索引 SCIE Web of Science核心 NSTL国家科技图书文献中心

Zhang, Yan-Bin | Chen, Fu-Quan ... - 《KSCE journal of civil engineering》 - 2022,26(4) - 1723～1739 - 共17页 - 被引量：9

摘要：Inverted T-type retaining walls are commonly used in subgrade or slope support engineering, which inevitably satisfies a narrow backfill. Using the classical earth pressure calculation method in a nar...

关键词： Active earth pressure | Narrow backfill | Inverted T-type retaining walls | Multiple sliding surfaces | Difference method | Limit equilibrium method

4. Seismic pseudo-static active earth pressure of narrow granular backfill against an inverted T-type retaining wall under translational mode EI 工程索引 SCIE Web of Science核心 NSTL国家科技图书文献中心

Chen, Fu-quan | Chen, Hao-biao ... - 《Soil dynamics and earthquake engineering》 - 2022,152(Jan.) - 107018.1～107018.17 - 共17页 - 被引量：11

摘要：Rankine and Coulomb earth pressure theories are not applicable when the backfill behind the retaining wall is narrow. This paper analytically investigates the seismic active earth pressure of an inver...

关键词： Inverted T-type retaining wall | Pseudo-static method | Narrow granular backfill | Translational mode | Multiple failure surfaces

5. Slip-Line Solution to Earth Pressure of Narrow Backfill against Retaining Walls on Yielding Foundations SCIE Web of Science核心 EI 工程索引 NSTL国家科技图书文献中心

Chen, Hao-biao | Chen, Fu-quan ... - 《International journal of geomechanics》 - 2022,22(5) - 4022051.1～4022051.20 - 共20页 - 被引量：11

摘要：When a retaining wall is adjacent to a natural slope, the overturning of the wall is usually caused by a yielding foundation. At the point of overturning, the narrow backfill behind the wall has reach...

关键词： Narrow backfill | Yielding foundation | Earth pressure | Slip-line method

6. An experimental study of the active failure mechanism of narrow backfills installed behind rigid retaining walls conducted using Geo-PIV SCIE Web of Science核心 NSTL国家科技图书文献中心

Xu, Li | Chen, Hao-biao ... - 《Acta Geotechnica: An International journal for Geoengineering》 - 2022,17(9) - 4051～4068 - 共18页 - 被引量：18

摘要：A new visual model was used to study the failure mechanism and earth pressure of cohesionless narrow backfill installed behind a rigid retaining wall. The experimental system can simulate the differen...

关键词： Active earth pressure | Geo-PIV | Model test | Narrow backfill | Strain analysis | PASSIVE EARTH PRESSURE | COHESIONLESS

7. Artificial naringinase system for cooperative enzymatic synthesis of naringenin EI 工程索引 SCIE Web of Science核心 NSTL国家科技图书文献中心

Wang, Chi | Chen, Pei-Xu ... - 《Biochemical Engineering Journal》 - 2022,178 - 108277-1～108277-12 - 共12页 - 被引量：6

摘要：Naringinase is a kind of glycosidase that catalyzes the biotransformation of naringin into naringenin. It is a multi-compound enzyme that provides the activity of alpha-L-rhamnosidase and beta-glucosi...

关键词： alpha-L-rhamnosidase | beta-glucosidase | Co-immobilization | Naringinase | Naringin | Naringenin | FUNCTIONALIZED MAGNETIC NANOPARTICLES | ANTIINFLAMMATORY ACTIVITY | CITRUS FLAVONOIDS | CASCADE REACTIONS...

8. Combination of simultaneous extraction-hydrolysis and intermittent feeding of tara pod for efficient production of gallic acid EI 工程索引 SCIE Web of Science核心 NSTL国家科技图书文献中心

Tang, Xiang | Liu, Chun -Li ... - 《Biochemical Engineering Journal》 - 2022,187 - ARTN 108666～ - 共11页

摘要：The pods of Caesalpinia spinosa consists of gallotannins, which represent more than 50 % of its weight. The traditional chemical procedure used to produce gallic acid (GA) from tara gallotannins is a ...

关键词： Tannase | Gallic acid | Tannic acid | Tara pods | Biomass biotransfomation | HIGH-LEVEL EXPRESSION | ASPERGILLUS-ORYZAE TANNASE | TANNIN ACYL HYDROLASE | EXTRACELLULAR TANNASE | SOLVENT TOLERANT...

9. Analytical Study on the Transverse Internal Forces of Shield Tunnel Segments due to Adjacent Excavations in Soft Clays SCIE Web of Science核心 EI 工程索引 SCOPUS Scopus数据库 NSTL国家科技图书文献中心

Zhang, Bing-qiang | Huang, Wei ... - 《KSCE journal of civil engineering》 - 2021,25(12) - 4842～4855 - 共14页 - 被引量：4

摘要：Deep excavations unavoidably cause the changes in stress and displacement of surrounding soils, which further generate additional internal forces on the adjacent existing tunnel segments, and compromi...

关键词： Tunnel segments | Transverse internal forces | Adjacent excavation | Source-sink imaging method | Elastic equation method

10. Active Earth Pressure of Narrow Backfill on Inverted T-Type Retaining Walls under Translation Mode SCIE Web of Science核心 SCOPUS Scopus数据库 EI 工程索引 NSTL国家科技图书文献中心

Xu, Li | Zhang, Yan-bin ... - 《International journal of geomechanics》 - 2021,21(11) - 4021222.1～4021222.17 - 共17页 - 被引量：2

摘要：It is well known that there are multiple sliding surfaces behind inverted T-type retaining walls and that reflective sliding surfaces may develop in narrow backfill. Combined with numerical analysis, ...