Search Results - "Qianzhi Zhou"

An improved method for quantitatively measuring the sequences of total organic carbon and black carbon in marine sediment cores by Xu, Xiaoming, Zhu, Qing, Zhou, Qianzhi, Liu, Jinzhong, Yuan, Jianping, Wang, Jianghai

“…Understanding global carbon cycle is critical to uncover the mechanisms of global warming and remediate its adverse effects on human activities. Organic carbon…”
Get full text

Century-scale high-resolution black carbon records in sediment cores from the South Yellow Sea, China by Xu, Xiaoming, Hong, Yuehui, Zhou, Qianzhi, Liu, Jinzhong, Yuan, Lirong, Wang, Jianghai

“…Black carbon (BC) has received increasing attention in the last 20 years because it is not only an absorbent of toxic pollutants but also a greenhouse…”
Get full text

Rates and fluxes of centennial-scale carbon storage in the fine-grained sediments from the central South Yellow Sea and Min-Zhe belt, East China Sea by Wang, Jianghai, Xiao, Xi, Zhou, Qianzhi, Xu, Xiaoming, Zhang, Chenxi, Liu, Jinzhong, Yuan, Dongliang

“…The global carbon cycle has played a key role in mitigating global warming and climate change. Long-term natural and anthropogenic processes influence the…”
Get full text

Switch-Linear Hybrid (SLH) Conversion Based on Source Follower by Zhou, Qianzhi, Liu, Xiaodong

“…A family of switch-linear hybrid (SLH) converters is proposed, which integrates the advantages of linear amplifiers into switch-mode converters without…”
Get full text

Prediction on future DC power system by Qianzhi Zhou, Defang Yuan

“…Analyzed some serious issues, including power energy quality and large area power interruption, require complex method to overcome in 3-phase power system, so,…”
Get full text

Porewater geochemical and lipid biomarker signatures for anaerobic methane oxidation in the hydrate-bearing system from the Taixinan Basin, the South China Sea by Li, Yan, Zhou, Qian-Zhi, Xu, Xiang-Po, Liu, Jin-Zhong, Zhou, Guo-Yi, Fang, Yun-Xin, Wang, Jiang-Hai

“…[Display omitted] •The SMI in the Taixinan Basin was located at the depth of approximately 1,000 cmbsf.•AOM-related biomarker signatures differ from those in…”
Get full text

The source and paleoclimatic implication of hydrogen isotopic composition of n-alkanes in sediments from the Yixian Formation, western Liaoning Province, NE China by Li, Yan, Song, Zhi-Guang, Zhou, Qian-Zhi, Xu, Xiao-Ming, Cao, Xin-Xing

“…Hydrogen isotopic composition of n-alkanes was measured in sediments from an excavated profile of the Early Cretaceous Yixian Formation in Liaoning Province,…”
Get full text

AC-AC Conversion with Carrier Frequency of Electric Network And Application Prospect by Qianzhi Zhou, Weihua Wu

“…This paper proposes a new principle of variable frequency for AC-AC conversion, which operates below the half-frequencies of electric network like traditional…”
Get full text

Switch linear hybrid power converter and its applications by Wenhua Hu, Weiming Ma, Qianzhi Zhou

“…A novel power conversion mode is structured by hybridizing switch power conversion mode with linear amplification mode, so as to acquire their synthetic…”
Get full text

AC-SPWM-cycloconverter based on an extended chopper scheme by Qianzhi Zhou, Weihua Wu, Jianwei Lin

“…A novel cycloconverter based on chopper scheme is proposed, which is entirely different from the former cycloconverters based on phase-shift control, so…”
Get full text

Research and implementation of a novel single phase AC/AC variable frequency technology by Shicheng Zheng, Hong Zhu, Xiaohu Cao, Weihua Wu, Qianzhi Zhou

“…A novel single phase AC/AC variable frequency technology is presented, which is based on plugged pulse-chopping control scheme in this paper. The single-phase…”
Get full text

Switch-Linear Hybrid Power Conversion (I) - The Topologies Based on Source Follower by Qianzhi Zhou, Wenhua Hu, Bin Wu, Mouzhi Dong

“…The paper presents a hybrid power conversion topology series. They are structured with linear source follower fed by switch-filter for getting synthetic good…”
Get full text

Research on a Novel VAR Continuous Compensator and Harmonic Suppression by Lezhu Chen, Ying Meng, Qianzhi Zhou, Pengsheng Ye

“…A novel reactive power continuous compensation and harmonic suppression on power supply is proposed. The paper introduces its essential principles and presents…”
Get full text

Switch-Linear Hybrid Power Conversion (II) - Typical Analyses in the Topology's High Efficiency by Wenhua Hu, Bin Wu, Mouzhi Dong, Qianzhi Zhou

“…The paper proves the high efficiency of switch-linear hybrid power conversion from a typical 3 phases-4 lines prototype, by engineering estimation and…”
Get full text

Switch-Linear-Hybrid Power Converter and Its Application Prospect in Industry by Wenhua Hu, Weiming Ma, Qianzhi Zhou, Bin Wu

“…A new power conversion mode is structured by hybridizing switch power conversion mode with linear amplification mode, so as to acquire their synthetic optimal…”
Get full text

A novel single-three phase inverter adopting CTA scheme by Qianzhi Zhou, Kai Zhuang, Jugui Wang

“…A new switch-linearity hybrid power conversion (CTA) technique is introduced to combine with a conventional single-three phase inverter, so that the effect on…”
Get full text

Chopper-cycloconverters for energy saving in motor control by Zhou, Qianzhi, Lin, Jianwei, Liu, Yan-Fei

“…This paper proposes chopper-cycloconverters with simplest topologies, minimum devices and simple control modes for energy saving in motor systems. Typical…”
Get full text

Switch-linearity hybrid power conversion (SLH) with low output by Qianzhi Zhou, Lu Sheng Ge

“…Two typical converters with low output resistance are introduced in this paper. They consist of switch-linearity hybrid circuits (SLH) to acquire excellent…”
Get full text

3 Phases-3 Devices AC Voltage Regulator With Quasi-Zero Switching by Qianzhi Zhou, Wenhua Hu, Bin Wu

“…This paper presents a novel voltage regulator with sine waves, which only consists of 3 switch devices in 3 phases configuration. Simplest chopper control is…”
Get full text