Results 41 to 50 of about 2,303 (234)
Ecotoxicology of nanomaterials: the role of invertebrate testing
Invertebrate Survival Journal, 2009 Engineered nanomaterials represent a new and expanding class of chemicals whose environmental hazard is actually poorly determined. The peculiar behavior of nanomaterials makes them much more similar to new chemicals than to the corresponding bulk ...
A G Cattaneo +3 more
doaj
The Issues And Solutions Of Integrating DBMS To A Multi-DBMS
Review of Business Information Systems (RBIS), 2003 Many organizations invest heavily in heterogeneous databases according to organizational functions. These heterogeneous databases are stand-alone systems that do not interact with one another. The objective of this paper is to introduce a multi-database system (MDBMS) that interacts with other heterogeneous DBMS within the organization to integrate ...
openaire +2 more sources
Advanced Science, EarlyView.The concept of high‐dimensional EM modulation using the STMA for physical layer secure communication is illustrated in figure. The STMA consists of a series of programmable unit cells, with 1‐bit reconfigurable phase states (0/π). The STMA is excited by a monochromatic continuous wave (CW) at frequency fc and controlled by a field‐programmable gate ...
Xinyu Fang +6 more
wiley +1 more source
Advanced Science, EarlyView.NiNb alloys enable efficient charge‐to‐spin conversion by combining the spin Hall effect of nickel with the orbital Hall effect of niobium. Composition tuning yields spin‐torque efficiencies of −1.4 to −1.7 and a non‐monotonic efficiency‐resistivity relationship, revealing orbital‐spin synergy beyond conventional spin Hall materials and offering a ...
Chuangwen Wu +16 more
wiley +1 more source
Differential Tissue‐Coupled Powering for Battery‐Free Injectable Electroceuticals
Advanced Science, EarlyView.A thread‐like injectable neural stimulator is powered through differential tissue‐coupled powering (DTCP), which harvests RF‐frequency tissue potentials with an elongated receiver while preserving a injectable cross‐section. The system integrates an ASIC, stimulation electrodes, and a portable transmitter, enabling wireless peripheral nerve stimulation,
Han Wu +13 more
wiley +1 more source
Review of SQL Injection : Problems and Prevention
JOIV: International Journal on Informatics Visualization, 2018 SQL injection happened in electronic records in database and it is still exist even after two decades since it first happened. Most of the web-based applications are still vulnerable to the SQL injection attacks.
Mohd Amin Mohd Yunus +5 more
doaj +1 more source
Transparent Topological Meta‐Diplexer via Tightly Confined Valley Surface States
Advanced Science, EarlyView.An optically transparent topological metasurface supporting tightly confined valley surface states enables robust and flexible wave routing in an ultrathin platform. A compact transparent meta‐diplexer with spatially and spectrally separated channels is realized, while communication experiments verify high‐fidelity signal transmission, opening new ...
Sijie Li +5 more
wiley +1 more source
Advanced Science, EarlyView.In this review, the classification and development history of the volatile solid and solvent additives are comprehensively summarized, the underlying mechanisms of morphology optimization are discussed, and a summary of volatile additive‐induced improvements in interfacial layer performance is provided.
Jianqiang Qin +7 more
wiley +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
Современные информационные технологии и IT-образованиеThe article is devoted to current issues related to the transition to domestic software within the educational process. This became necessary due to the fact that many foreign companies involved in software development announced the suspension of their ...
Elena Shershneva +2 more
doaj +1 more source