User profiles for Sijie Cheng

Sijie Cheng (程思婕)

Tsinghua University
Verified email at mails.tsinghua.edu.cn
Cited by 215

[HTML][HTML] Selection of logging-based TOC calculation methods for shale reservoirs: A case study of the Jiaoshiba shale gas field in the Sichuan Basin

R Huang, Y Wang, S Cheng, S Liu, L Cheng - Natural Gas Industry B, 2015 - Elsevier
Various methods are available for calculating the TOC of shale reservoirs with logging data,
and each method has its unique applicability and accuracy. So it is especially important to …

Development of a lifetime prediction model for lithium thionyl chloride batteries based on an accelerated degradation test

S Cheng, B Li, Z Yuan, F Zhang, J Liu - Microelectronics Reliability, 2016 - Elsevier
Battery life prediction is critical for lithium/thionyl chloride cells with a long storage life. The
objective of this study was to develop models for rapidly estimating the storage life of Li/SOCl …

High quantum yield nitrogen and boron co-doped carbon dots for sensing Ag+, biological imaging and fluorescent inks

S Cheng, J Zhang, Y Liu, Y Wang, Y Xiao… - Analytical Methods, 2021 - pubs.rsc.org
Herein, bright blue-green fluorescent nitrogen and boron co-doped carbon dots (N, B-CDs)
with a quantum yield (QY) up to 33.04% were synthesized viahydrothermal treatment from …

Activated platelet-homing nanoplatform for targeting magnetic resonance imaging of aneurysm-related thrombus in rabbits

Y Zhang, S Cheng, Y He, C Tang, F Liu… - … Applied Materials & …, 2021 - ACS Publications
Thrombosis is closely related to the instability of intracranial aneurysm (IA), whose rupture is
associated with high morbidity and mortality. It is difficult to detect an IA-related thrombus …

Openchat: Advancing open-source language models with mixed-quality data

G Wang, S Cheng, X Zhan, X Li, S Song… - arXiv preprint arXiv …, 2023 - arxiv.org
Nowadays, open-source large language models like LLaMA have emerged. Recent
developments have incorporated supervised fine-tuning (SFT) and reinforcement learning fine-…

Voltage Decay of Li‐Rich Layered Oxides: Mechanism, Modification Strategies, and Perspectives

L Zeng, H Liang, B Qiu, Z Shi, S Cheng… - Advanced Functional …, 2023 - Wiley Online Library
Li‐rich layered oxides (LLOs) have been considered as the most promising cathode materials
for achieving high energy density Li‐ion batteries. However, they suffer from continuous …

Say what you mean! large language models speak too positively about negative commonsense knowledge

J Chen, W Shi, Z Fu, S Cheng, L Li, Y Xiao - arXiv preprint arXiv …, 2023 - arxiv.org
Large language models (LLMs) have been widely studied for their ability to store and utilize
positive knowledge. However, negative knowledge, such as "lions don't live in the ocean", is …

Fedgems: Federated learning of larger server models via selective knowledge fusion

S Cheng, J Wu, Y Xiao, Y Liu - arXiv preprint arXiv:2110.11027, 2021 - arxiv.org
Today data is often scattered among billions of resource-constrained edge devices with
security and privacy constraints. Federated Learning (FL) has emerged as a viable solution to …

One-step synthesis of N, S-doped carbon dots with orange emission and their application in tetracycline antibiotics, quercetin sensing, and cell imaging

S Cheng, J Zhang, Y Liu, Y Wang, Y Xiao, Y Zhang - Microchimica Acta, 2021 - Springer
Water soluble N, S-doped carbon dots (N, S-CDs) with orange emission were synthesized
from basic fuchsin and sulfosalicylic acid by the typical hydrothermal route. Based on the …

Prompt-guided retrieval augmentation for non-knowledge-intensive tasks

Z Guo, S Cheng, Y Wang, P Li, Y Liu - arXiv preprint arXiv:2305.17653, 2023 - arxiv.org
Retrieval-augmented methods have received increasing attention to support downstream
tasks by leveraging useful information from external resources. Recent studies mainly focus on …