Search Results - "Xi, Zhenhua"
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Study the catalyzing mechanism of dissolved redox mediators on bio-denitrification by metabolic inhibitors
Published in Bioresource technology (01-07-2013)“…•The role of AQDS on denitrification was first studied by metabolic inhibitors.•The bio-denitrification rates were enhanced by dissolved redox mediators.•AQDS…”
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2
Tetracycline Resistance Genes Identified from Distinct Soil Environments in China by Functional Metagenomics
Published in Frontiers in microbiology (24-07-2017)“…Soil microbiota represents one of the ancient evolutionary origins of antibiotic resistance and has been increasingly recognized as a potentially vast…”
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3
Applications of Vacuum Measurement Technology in China’s Space Programs
Published in Space: science & technology (01-01-2021)“…The significance of vacuum measurement technology is increasingly prominent in China’s thriving space industry. Lanzhou Institute of Physics (LIP) has been…”
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4
Gas Expansion Process in the Dynamic Vacuum Calibration
Published in Shanghai jiao tong da xue xue bao (01-04-2021)“…By analyzing the gas expansion process from the upstream chamber via an orifice and a very rapid-opening ultra-high vacuum (UHV) gate valve to downstream one,…”
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5
Reduction of Cr(VI) by Escherichia coli BL21 in the presence of redox mediators
Published in Bioresource technology (01-11-2012)“…► The relationship of reaction constant (k) and AQS concentration (CAQS) was k=0.768CAQS+1.553. ► The Arrhenius equation was used to describe the Cr(VI)…”
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6
Vacuum measurement of He based on Fabry-Perot cavity and constant pressure reference
Published in Measurement. Sensors (01-12-2021)“…In order to reduce the uncertainty of the gas refractive index measurement device based on laser interferometry. A measuring method based on constant pressure…”
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Study the biocatalyzing effect and mechanism of cellulose acetate immobilized redox mediators technology (CE-RM) on nitrite denitrification
Published in Biodegradation (Dordrecht) (01-06-2014)“…The biocatalyzing effect of a novel cellulose acetate immobilized redox mediators technology (CE-RM) on nitrite denitrification process was studied with…”
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8
Effective and characteristics of anthraquinone-2,6-disulfonate (AQDS) on denitrification by Paracoccus versutus sp.GW1
Published in Environmental technology (01-09-2013)“…The effects of anthraquinone-2,6-disulfonate (AQDS) on microbial populations and the biocatalysing characteristics of AQDS on denitrifying strain GW1 are…”
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Formulation and Characterization of Poly(3-hydroxybutyrate)-based Microspheres Containing Acetamiprid
Published in Journal of polymers and the environment (01-10-2024)“…The widespread application of pesticides has induced serious harm to environment and human health. The development of sustained pesticide delivery systems is…”
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10
Study on the provision of traceable flow rate of water vapor for calibrating a time-of-flight mass spectrometer
Published in Measurement : journal of the International Measurement Confederation (01-07-2024)“…•A new method called pΔt method was given to measure the conductance of water vapor through an orifice.•The VΔp method and the pΔt method were compared in…”
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11
Study of the eddy currents effect in Spinning rotor Gauge
Published in Measurement : journal of the International Measurement Confederation (30-01-2025)“…Spinning Rotor Gauge is widely used in the field of metrology as a deputy standard vacuum gauge. The lower measurement limit of this vacuum gauge depends on…”
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12
Quaternized Chitosan-Coated Montmorillonite Interior Antimicrobial Metal–Antibiotic in Situ Coordination Complexation for Mixed Infections of Wounds
Published in Langmuir (26-11-2019)“…Conventional drug delivery systems for natural clay materials still face critical challenges in their practical application, including multiple bacterial…”
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Development of vacuum calibrarion apparatus for deep space exploration
Published in 2017 IEEE International Workshop on Metrology for AeroSpace (MetroAeroSpace) (01-06-2017)“…Vacuum gauges used in deep space exploration are always calibrated in the laboratory. The temperature in the laboratory is about 23 °C± 3 °C, which is…”
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Conference Proceeding -
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Uncertainty analysis of the LIP vacuum standard for XHV range
Published in Vacuum (01-05-2019)“…This work analyzes the uncertainty sources of the vacuum standard for extremely high vacuum range constructed at Lanzhou Institute of Physics. To establish XHV…”
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Hydrogen adsorption characteristics of Zr57V36Fe7 non-evaporable getters at low operating temperatures
Published in Vacuum (01-08-2018)“…Non-evaporable getter is commonly used to remove active gases in vacuum chambers, especially H2 at ambient temperature. In this work, the getter was applied to…”
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16
Design of a Compact Time-of-Flight Mass Spectrometer for Space Application
Published in Journal of the American Society for Mass Spectrometry (05-02-2020)“…A miniature reflectron time-of-flight mass spectrometer (TOF MS) with orthogonal extraction coupled with electron impact (EI) ionization source can be used to…”
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17
Nanofluidic chip on tube as standard leak elements
Published in Measurement : journal of the International Measurement Confederation (01-01-2022)“…•Nanofluidic chip is prepared using MEMS lithography technology and SDB process.•Reliable macro-micro connections are achieved through fusion bonding of glass…”
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18
Effects of livestock grazing intensity on soil biota in a semiarid steppe of Inner Mongolia
Published in Plant and soil (01-03-2011)“…Intensive livestock is known to significantly affect soil physical and chemical parameters in steppe ecosystems. However, the effects on soil biological…”
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Synthesis and field electron emission properties of multi-walled carbon nanotube films directly grown on catalytic stainless steel substrate
Published in Vacuum (01-03-2018)“…The multi-walled CNT films were directly grown on stainless steel substrates using an oxidation-reduction treatment with chemical vapor deposition…”
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New leak element using 1D nanofluidic channels and indium sealing
Published in Vacuum (01-10-2018)“…Nanofluidic channels with a depth of ∼100 nm were developed as a leak element, where the fluidic channels were etched on silicon wafer by reactive ion etching…”
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