Zhiqiang Lv

article

A Coral‐Like FeP@NC Anode with Increasing Cycle Capacity for Sodium‐Ion and Lithium‐Ion Batteries Induced by Particle Refinement

Canpei Wang, Jitong Yan, Tianyu Li, Zhiqiang Lv, more

Angewandte Chemie International Edition > 60 > 47 > 25013 - 25019

We present a coral‐like FeP composite with FeP nanoparticles anchored and dispersed on a nitrogen‐doped 3D carbon framework (FeP@NC). Due to the highly continuous N‐doped carbon framework and a spring‐buffering graphitized carbon layer around the FeP nanoparticle, a sodium‐ion battery with the FeP@NC composite exhibits an ultra‐stable cycling performance at 10 A g⁻¹ with a capacity retention of 82...

article

A Coral‐Like FeP@NC Anode with Increasing Cycle Capacity for Sodium‐Ion and Lithium‐Ion Batteries Induced by Particle Refinement

Canpei Wang, Jitong Yan, Tianyu Li, Zhiqiang Lv, more

Angewandte Chemie > 133 > 47 > 25217 - 25223

We present a coral‐like FeP composite with FeP nanoparticles anchored and dispersed on a nitrogen‐doped 3D carbon framework (FeP@NC). Due to the highly continuous N‐doped carbon framework and a spring‐buffering graphitized carbon layer around the FeP nanoparticle, a sodium‐ion battery with the FeP@NC composite exhibits an ultra‐stable cycling performance at 10 A g⁻¹ with a capacity retention of 82...

article

Sulfonated Ti3C2Tx to construct proton transfer pathways in polymer electrolyte membrane for enhanced conduction

Jiakui Zhang, Yahua Liu, Zhiqiang Lv, Tongkun Zhao, more

Solid State Ionics > 2017 > 310 > C > 100-111

Here, Ti₃C₂T_x sheets, a representative of MXenes, with lamellar structure and hydrophilic surface are prepared, and then functionalized with sulfonated polyelectrolyte brushes (Ti₃C₂T_x-SO₃H) through a facile surface-initiated precipitation-polymerization. The Ti₃C₂T_x-SO₃H is then utilized as a new nanofiller to fabricate hybrid proton exchange membrane, where both acidic sulfonated poly (ether ether...

chapter

An LSTM-CTC based verification system for proxy-word based OOV keyword search

Zhiqiang Lv, Jian Kang, Wei-Qiang Zhang, Jia Liu

2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) > 5655 - 5659

2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Proxy-word based out of vocabulary (OOV) keyword search has been proven to be quite effective in keyword search. In proxy-word based OOV keyword search, each OOV keyword is assigned several proxies and detections of the proxies are regarded as detections of the OOV keywords. However, the confidence scores of these detections are still those of the proxies from lattices. To obtain a better confidence...

article

MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via direct targeting of Smad3

Ming Chen, Jianting Shi, Wei Zhang, Linjie Huang, more

Pulmonary Pharmacology & Therapeutics > 2017 > 42 > C > 33-42

MicroRNAs are small yet versatile gene tuners that regulate a variety of cellular processes, including cell growth and proliferation. Here we report that miR-23b inhibited airway smooth muscle cells (ASMCs) proliferation through directly targeting of Smad3.We obtained ASMCs by laser capture microdissection of normal and asthmatic mice lung tissues. Mice ASMCs were cultured and induced by TGF-β1. The...

article

Detection of Human Epididymis Protein 4 (HE4) in Human Serum Samples Using a Specific Monoclonal Antibody‐Based Sandwich Enzyme‐Linked Immunosorbent Assay (ELISA)

Lijun Zhou, Zhiqiang Lv, Jing Shao, Ying Xu, more

Journal of Clinical Laboratory Analysis > 30 > 5 > 581 - 589

BackgroundThe human epididymis protein 4 (HE4) may have high specificity in the detection of malignant diseases, making the development of an immunoassay for HE4 essential. MethodsIn our study, a fusion gene was constructed encoded with the HE4 protein. This protein was then produced in the bacterial cells (Escherichia coli) and used to immunize mice in order to eventually generate hybridomas specific...

chapter

Using LAU information in mobile communication for high-speed user selection

Zhiqiang Lv, Saibin Yao, Yongjia Qi, Dan Zhu, more

2016 16th International Symposium on Communications and Information Technologies (ISCIT) > 285 - 289

2016 16th International Symposium on Communications and Information Technologies (ISCIT)

CRH (China Railway High-speed) has become the preferred option to travel today with the increase purchasing power of the public. The need to enhance the overall wireless network coverage and quality along CRH railway track has become the important milestone of existing operators. Thus, intense studies had been carried out to differentiate CRH travelers from normal mobile users in order to provide...

chapter

MR raster positioning analysis and precise planning application

Saibin Yao, Wenjun Hou, Fengli Dai, Hang Su, more

2016 16th International Symposium on Communications and Information Technologies (ISCIT) > 258 - 262

2016 16th International Symposium on Communications and Information Technologies (ISCIT)

This paper presents a positioning method through rasterization of MR (Measurement Report) data. MR data consists of numerous wireless information except longitude/latitude data. MR raster positioning method is used to calculate the relevant longitude/latitude information of MR data and group them into corresponding clusters. compared to conventional drive test and call quality test method, MR raster...

article

Exploring the nexus between water saving and energy conservation: Insights from industry sector during the 12th Five-Year Plan period in China

Alun Gu, Fei Teng, Zhiqiang Lv

Renewable and Sustainable Energy Reviews > 2016 > 59 > C > 28-38

China׳s 12th Five-Year Plan, released in March 2011, specifies water management targets in addition to energy and carbon intensity targets. Energy and water resources are becoming the major bottlenecks restricting sustainable development in China. Energy and water are interconnected and complementary; however, macroenergy policies do not consider the impact on water resources, while water related...

chapter

Network transmission of hidden data using smartphones based on compromising emanations

Degang Sun, Di Wei, Ning Zhang, Zhiqiang Lv, more

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC) > 1 > 190 - 193

2016 Asia-Pacific International Symposium on Electromagnetic Compatibility (APEMC)

In this paper, we proposes a method to obtain the stored in the air-gapped computer with the help of nearby smartphones by intentionally generating loud physical emanations. We can construct a big transmission network connecting a computer and many cell phones by using different kinds of physical emanations. We further demonstrate the scenario by implementing a system using electromagnetic waves and...

article

MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via TGFβR2/p-Smad3 signals

Ming Chen, Linjie Huang, Wei Zhang, Jianting Shi, more

Molecular Immunology > 2016 > 70 > C > 84-93

Abnormal proliferation of ASM (airway smooth muscle) directly contributes to the airway remodeling during development of lung diseases such as asthma. Here we report that a specific microRNA (miR-23b) controls ASMCs proliferation through directly inhibiting TGFβR2/p-Smad3 pathway.The expression of miR-23b in ASMCs was detected by quantitative real-time polymerase chain reaction (RT-PCR). The effects...

article

Determining the Walker exponent and developing a modified Smith-Watson-Topper parameter model

Zhiqiang Lv, Hong-Zhong Huang, Hai-Kun Wang, Huiying Gao, more

Journal of Mechanical Science and Technology > 2016 > 30 > 3 > 1129-1137

Mean stress effects significantly influence the fatigue life of components. In general, tensile mean stresses are known to reduce the fatigue life of components, whereas compressive mean stresses are known to increase it. To date, various methods that account for mean stress effects have been studied. In this research, considering the high accuracy of mean stress correction and the difficulty in obtaining...

chapter

Influence of immersion states on complex structural vibration

Guo Cheng, Zhiqiang Lv, Lin He

2016 IEEE/OES China Ocean Acoustics (COA) > 1 - 6

2016 IEEE/OES China Ocean Acoustics (COA)

The mechanical impedance of structures changes with different structural immersion states. It is valuable for industrial application to obtain the rules for the changes to mechanical impedance in advance. Most devices in underwater structures are installed on plates or rafts, so not only the points on the structural surfaces, but also the points on the interior plates need to be taken into the consideration...

chapter

Calibration of word posterior estimation in confusion networks for keyword search

Zhiqiang Lv, Meng Cai, Wei-Qiang Zhang, Jia Liu

2015 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA) > 148 - 151

2015 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA)

Word posterior probability has been widely used as the confidence estimation of automatic speech recognition (ASR) systems and has been proved to be quite effective in related applications such as keyword search. However, word posterior probability tends to overestimate the true probability of a hypothesis, as it is computed on a subset of the total hypothesis space. In this paper, we show that a...

chapter

Improved system fusion for keyword search

Zhiqiang Lv, Meng Cai, Cheng Lu, Jian Kang, more

2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) > 230 - 236

2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU)

It has been demonstrated that system fusion can significantly improve the performance of keyword search. In this paper, we compare the performance of several widely-used arithmetic-based fusion methods using different normalization pipeline and try to find the best pipeline. A novel arithmetic-based fusion method is proposed in this work. The method supplies a more effective way to incorporate the...

chapter

High-performance Swahili keyword search with very limited language pack: The THUEE system for the OpenKWS15 evaluation

Meng Cai, Zhiqiang Lv, Cheng Lu, Jian Kang, more

2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU) > 215 - 222

2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU)

This paper presents the Swahili keyword search system developed by the THUEE team for the OpenKWS15 evaluation, which is conducted by NIST under the IARPA Babel program. There are several highlights in the development of the system, including automatic generation of the pronunciation lexicon, aggressive data augmentation, the multilingual bottleneck feature extractor trained from 6 languages, text...

chapter

Ultrastable frequency dissemination based on feed-forward digital phase compensation technology

Xing Chen, Jian Zhang, Jinlong Lu, Yifan Cui, more

2015 Conference on Lasers and Electro-Optics (CLEO) > 1 - 2

2015 Conference on Lasers and Electro-Optics (CLEO)

We demonstrate a feed-forward digital compensation scheme in an optical frequency comb based microwave frequency dissemination system over 120-km telecommunication fiber link. The dissemination fractional frequency instability (Λ-counter) was measured at 5.28×10⁻¹⁶/s.

chapter

The THUEE system for the openKWS14 keyword search evaluation

Meng Cai, Zhiqiang Lv, Beili Song, Yongzhe Shi, more

2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) > 4734 - 4738

ICASSP 2015 - 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

The OpenKWS14 keyword search evaluation is one of the most challenging and influential evaluations in the field of speech recognition. Its goal is to build a high-performance keyword search system for a minority language with limited training data in a short period of time. We present the system of the Department of Electronic Engineering, Tsinghua University (THUEE team) for the OpenKWS14 keyword...

article

Triptolide suppresses airway goblet cell hyperplasia and Muc5ac expression via NF-κB in a murine model of asthma

Ming Chen, Zhiqiang Lv, Wei Zhang, Linjie Huang, more

Molecular Immunology > 2015 > 64 > 1 > 99-105

We have reported that triptolide inhibited pulmonary inflammation in patients with steroid-resistant asthma. In the present study, we investigated whether suppresses airway remodeling and goblet cell hyperplasia, studied the mechanism of triptolide on mucin5ac (Muc5ac) expression in a murine model of asthma.BALB/c mice were sensitized to intraperitoneal ovalbumin (OVA) followed by repetitive ovalbumin...

article

Triptolide inhibits TGF-β1-induced cell proliferation in rat airway smooth muscle cells by suppressing Smad signaling

Ming Chen, Zhiqiang Lv, Linjie Huang, Wei Zhang, more

Experimental Cell Research > 2015 > 331 > 2 > 362-368

We have reported that triptolide can inhibit airway remodeling in a murine model of asthma via TGF-β1/Smad signaling. In the present study, we aimed to investigate the effect of triptolide on airway smooth muscle cells (ASMCs) proliferation and the possible mechanism.Rat airway smooth muscle cells were cultured and made synchronized, then pretreated with different concentration of triptolide before...

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Search results for: Zhiqiang Lv

A Coral‐Like FeP@NC Anode with Increasing Cycle Capacity for Sodium‐Ion and Lithium‐Ion Batteries Induced by Particle Refinement

A Coral‐Like FeP@NC Anode with Increasing Cycle Capacity for Sodium‐Ion and Lithium‐Ion Batteries Induced by Particle Refinement

Sulfonated Ti3C2Tx to construct proton transfer pathways in polymer electrolyte membrane for enhanced conduction

An LSTM-CTC based verification system for proxy-word based OOV keyword search

MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via direct targeting of Smad3

Detection of Human Epididymis Protein 4 (HE4) in Human Serum Samples Using a Specific Monoclonal Antibody‐Based Sandwich Enzyme‐Linked Immunosorbent Assay (ELISA)

Using LAU information in mobile communication for high-speed user selection

MR raster positioning analysis and precise planning application

Exploring the nexus between water saving and energy conservation: Insights from industry sector during the 12th Five-Year Plan period in China

Network transmission of hidden data using smartphones based on compromising emanations

MiR-23b controls TGF-β1 induced airway smooth muscle cell proliferation via TGFβR2/p-Smad3 signals

Determining the Walker exponent and developing a modified Smith-Watson-Topper parameter model

Influence of immersion states on complex structural vibration

Calibration of word posterior estimation in confusion networks for keyword search

Improved system fusion for keyword search

High-performance Swahili keyword search with very limited language pack: The THUEE system for the OpenKWS15 evaluation

Ultrastable frequency dissemination based on feed-forward digital phase compensation technology

The THUEE system for the openKWS14 keyword search evaluation

Triptolide suppresses airway goblet cell hyperplasia and Muc5ac expression via NF-κB in a murine model of asthma

Triptolide inhibits TGF-β1-induced cell proliferation in rat airway smooth muscle cells by suppressing Smad signaling

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