1,160 research outputs found
Impact and Challenges of Intelligent IoT in Meteorological Science
The abundant data in meteorological science has facilitated applying big data techniques. The data collection was achieved by researchers using different atmospheric sounding methods in the past few decades. Compared with traditional methods, such as statistical forecast approaches and numerical weather prediction, intelligent Internet of Things (IoT) technologies have attracted extensive attention in meteorological science due to their significant advantages in data processing and analysis. In addition, extreme weather events and meteorological disasters have occurred frequently around the world in recent years. Against this background, this article aims to introduce the application of intelligent IoT technologies in meteorological science and elaborate the encountered open problems as well as the challenges in the future. Along with the introduction of intelligent IoT, a comprehensive review of current studies on meteorological observation, forecast, and services with intelligent IoT is provided. Correspondingly, the impact of intelligent IoT on meteorological businesses is analyzed. Finally, as for the meteorological operations in IoT based on artificial intelligence (AI), some open research issues, countermeasures and future potential research directions are put forward
Observation of non-Hermitian corner states in non-reciprocal topolectrical circuits
Exploring topological phases in non-Hermitian systems has attracted
significant recent attention. One intriguing question is how topological edge
states compete with the non-Hermitian skin effect. Here, we report the
experimental observation of corner states in a two-dimensional non-reciprocal
rhombus honeycomb electric circuit. The system is non-reciprocal and
non-Hermitian because the introduced capacitance between two nodes depends on
the current direction. The current-inversion negative impedance converters
(INIC) is employed to realize the non-reciprocal coupling in circuit. Skin
effect thus emerges due to the non-reciprocity and prevails in dragging the
corner state into the bulk. The non-Bloch winding number defined in generalized
Brillouin zone is adopted to characterize the topological phase transition.
Interestingly, we find that the non-Bloch Z2 Berry phase can serve as an
invariant to describe the non-Hermitian topology. By tuning the non-reciprocal
parameter, we observe unbalanced distribution of corner states emerging on two
acute angles of the rhombus lattice, with the localization length of the left
corner state increasing exponentially with the degree of non-reciprocity.Comment: 8 pages, 7 figure
Assessing Knowledge Editing in Language Models via Relation Perspective
Knowledge Editing (KE) for modifying factual knowledge in Large Language
Models (LLMs) has been receiving increasing attention. However, existing
knowledge editing methods are entity-centric, and it is unclear whether this
approach is suitable for a relation-centric perspective. To address this gap,
this paper constructs a new benchmark named RaKE, which focuses on Relation
based Knowledge Editing. In this paper, we establish a suite of innovative
metrics for evaluation and conduct comprehensive experiments involving various
knowledge editing baselines. We notice that existing knowledge editing methods
exhibit the potential difficulty in their ability to edit relations. Therefore,
we further explore the role of relations in factual triplets within the
transformer. Our research results confirm that knowledge related to relations
is not only stored in the FFN network but also in the attention layers. This
provides experimental support for future relation-based knowledge editing
methods.Comment: Work in progres
Conjugation of soy protein isolate (SPI) with pectin by ultrasound treatment
peer-reviewedThe Maillard reaction in the aqueous system with and without ultrasound treatment was used to prepare conjugates between soy protein isolate (SPI) and citrus pectin (CP)/apple pectin (AP). Ultrasound treatment at a power of 450 W and a temperature of 70 °C significantly accelerated the conjugation processes between SPI and pectin samples and led to much greater grafting extents compared to the traditional wet heating. A higher degree of graft of the SPI-CP conjugates was achieved at a shorter ultrasound duration compared to the SPI-AP conjugates, possibly attributed to the larger molecular weight and the more flexible structure of AP. SDS-PAGE analysis confirmed the formation of SPI-pectin conjugates. Analysis of the protein secondary and tertiary structures suggested that the attachment of CP or AP changed the spatial conformation of SPI and led to a looser protein structure. In addition to the grafting process, ultrasound was also observed to play a marked role in unfolding the SPI resulting in more favorable structures for the Maillard reaction. Furthermore, the application of ultrasound to the conjugation process significantly increased the surface hydrophobicity and emulsifying properties of both conjugates, indicating that ultrasound can be a desirable method for protein-polysaccharide conjugation.National Natural Science Foundation of Chin
Regulation of Autophagy-Related Protein and Cell Differentiation by High Mobility Group Box 1 Protein in Adipocytes
- …