Advanced Search Results For "Ren, Xiang"

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Publication Type: Academic Journal

Source(s): Nature Communications, Vol 13, Iss 1, Pp 1-11 (2022)

Abstract: Macrocyclization is an important process in bioactive natural product synthesis. Here, the authors report on the study of a macrocyclic ring constructing enzyme in the biosynthesis of alchivemycin A and using gene deletion, biochemical assays and isoto...

Publication Type: Academic Journal

Source(s): Shanghai Jiaotong Daxue xuebao, Vol 56, Iss 7, Pp 908-918 (2022)

Abstract: In order to investigate the dynamic response law of subgrade of a special railway line in loess region under moving train loading, the field test data and 2.5D finite element results were adopted to assess the dynamic stress distribution and its influe...

Publication Type: Academic Journal

Source(s): Natural Gas Industry B, Vol 9, Iss 3, Pp 308-317 (2022)

Abstract: With the continuous shortening of horizontal well clusters and the increase in the single-stage fracturing scale, the inter-well interference phenomenon has increased. Moderate inter-well interference can improve single-well production, but excessive i...

Publication Type: Academic Journal

Source(s): Shanghai Jiaotong Daxue xuebao, Vol 56, Iss 6, Pp 754-763 (2022)

Abstract: Based on the unified strength theory and the Terzaghi limit equilibrium theory, the ultimate bearing capacity of screw pile has been deduced. The method to determine the critical pitch and calculate the ultimate bearing capacity of the screw pile in tw...

Publication Type: Academic Journal

Source(s): Synthetic and Systems Biotechnology, Vol 7, Iss 2, Pp 750-755 (2022)

Abstract: A plenty of cytochrome P450s have been annotated in the Daldinia eschosholzii genome. Inspired by the fact that some P450s have been reported to catalyze the carbon-nitrogen (C–N) bond formation, we were curious about whether hybrids through C–N bond f...

Publication Type: Academic Journal

Source(s): International Journal of Aerospace Engineering. 11/17/2022, p1-19. 19p.

Abstract: Hemisphere-on-cylinder turrets are the main airborne optical platform structure. However, an unsteady shock boundary layer interaction (SBLI) would act on flow separation and turbulent wake, which causes serious aero-optical effects with high spatial a...

Publication Type: Academic Journal

Source(s): Cailiao gongcheng, Vol 49, Iss 11, Pp 171-178 (2021)

Abstract: A series of GO/g-C3N4 aerogel materials were prepared by the methods of ultrasonic peeling, solution cross-linking and freeze-drying, and the proportion of raw materials were optimized. The materials were characterized by SEM, XRD, and UV-vis absorptio...

Publication Type: Academic Journal

Source(s): Yankuang ceshi, Vol 40, Iss 3, Pp 435-443 (2021)

Abstract: BACKGROUND Polymetallic nodules are predominant in deep sea sedimentary mineral resources due to the enrichment of many critical metals. Polymetallic nodules are loose and porous, which is the critical material feature that contributes the adsorption o...

Publication Type: Academic Journal

Source(s): Angewandte Chemie; 3/20/2023, Vol. 135 Issue 13, p1-8, 8p

Abstract: Copyright of Angewandte Chemie is the property of John Wiley & Sons, Inc. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, downlo...

Publication Type: Academic Journal

Source(s): Nature Communications, Vol 12, Iss 1, Pp 1-10 (2021)

Abstract: Streptoseomycin is a potent antibiotic that contains a pentacyclic 5/14/10/6/6 ring system. Here, the authors report the enzymatic and non-enzymatic steps of the downstream modification of streptoseomycin biosynthesis and show a [6 + 4]-cycloaddition a...