The lung cancer incidence in Chinese women is among the highest world, but tobacco smoking accounts for only a minority of cancers. Epidemiologic investigations have implicated exposure to indoor air pollution from wok cooking, where volatile emissions unrefined cooking oils are mutagenic.This study was conducted identify and quantify potentially mutagenic substances emitted variety heated temperatures typically used cooking.Several fatty acids were boiling, at (for oils) that ranged 240...

The surging demand for batteries requires advanced battery management systems, where capacity modelling is a key functionality. In this paper, we aim to achieve accurate prediction by learning from historical measurements of dynamics. We propose GiNet, gated recurrent units enhanced Informer network, predicting battery's capacity. novelty and competitiveness GiNet lies in its capability capturing sequential contextual information raw data reflecting the complex behaviors with both temporal...

The silkworm Bombyx mori is a fully domesticated insect and has lost its flight capability during domestication. However, it does not show obvious degradation of wing, rendering the mechanism flightlessness elusive. In this study, we demonstrated that B. showed insufficient wing disc developmental properties, weaker adult wings loosely arranged muscles with smaller cell size relatively flapping frequency, compared mandarina . Consistently, switch transcriptomic landscape from larval to pupal...

We investigate divergent behaviors in the emission of blue and green light-emitting diodes (LEDs) when they are subjected to current-stress aging. Microscopic hyperspectral imaging is introduced measure spatially resolved mappings peak intensity, energy, full width at half maximum. Also, plots external quantum efficiency versus injection current measured determine extent Shockley-Read-Hall (SRH) nonradiative recombination rate based on two-level model. As a result, phenomenological model...

Background The study explored sources of meaning in older adults and the action path among family care, life, quality depression. Materials methods We investigated 627 using Sources Meaning Life Scale for Elderly (SMSE), Family Care Index (APGAR), Center Epidemiological Studies Depression Scale-10 (CES-D-10), EuroqOL-5 Dimensions (EQ-5D). Results Scores categorized 454 with good function, 99 moderate, 47 severe dysfunction; 110 had structural equation model showed that care affected life...

We investigate the current and temperature dependence of GaN-based high power blue light-emitting diodes identify a set sensitive optical parameters (TSOPs) that can provide real-time solution for determining junction (Tj). The relationships among Tj, forward TSOPs, “center mass” wavelength, and, in particular, full width at half maximum (FWHM) have been studied, relevant mathematic models developed. analysis indicates using FWHM may yield higher accuracy than other as TSOPs.

Aging is a known risk factor of idiopathic pulmonary fibrosis (IPF). However, the pathogenic mechanisms underlying effects advanced aging remain largely unknown. Telomeric repeat-containing RNA (TERRA) represents type long noncoding RNA. In this study, regulatory roles TERRA on human telomeres and mitochondria IPF epithelial injury model were identified. Blood samples collected from patients with (n = 24) matched control individuals 24). The significance clinical research expression...

The distributions of the electroluminescence AlGaInP-based flip-chip red light-emitting diodes with a size <inline-formula> <tex-math notation="LaTeX">$100\,\,\mu \text{m}\,\,\times 200\,\,\mu \text{m}$ </tex-math></inline-formula> have been obtained via microscopic hyperspectral imaging by capturing spatially resolved light emission from side transparent substrate. As injected DC current exceeds corresponding to maximum external quantum efficiency, crowding region decreases due self-heating...

Abstract Background The purpose of this research was to stratify the level frailty examine risk factors associated with reversible cognitive (RCF) and potentially (PRCF) in nursing homes provide a basis for hierarchical management different stages frailty. Methods study cross‐sectional conducted from September November 2022; 504 people were selected by stratified random sampling after convenience selection Home Aged Guangzhou. structured questionnaire survey through face‐to‐face interviews...

Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, peak heights, optimal results luminous efficacy radiation (LER) rendering index (CRI) are identified retained through filtering off billions unqualified candidates. These include LER = 390 lm/W CRI 90 [chromaticity...

A method is presented in this study to determine the junction temperature ( <i xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">T</i> <sub xmlns:xlink="http://www.w3.org/1999/xlink">j</sub> ) of LED terms relationship between diode reverse current xmlns:xlink="http://www.w3.org/1999/xlink">I</i> xmlns:xlink="http://www.w3.org/1999/xlink">R</sub> and . theoretical model for dependence on derived basis Shockley equation validated by our experimental...

Three- and four-hump InGaN-based white light-emitting diodes (LEDs) have been computationally investigated. The investigation includes three-hump LEDs precoated with green- red-emitting quantum dots (QDs) green-, yellow-, QDs. Results show scotopic/photopic (S/P) ratios <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex Notation="TeX">$&gt;$</tex></formula> 3.80 color rendering indices (CRIs)...

A majority of luminance measurement systems are currently focused on measuring the total light-emitting diodes (LEDs). It has largely limit its application micro-LEDs, which require capturing microscopic surface luminance. In order to study characteristics micro-LED displays, in this paper we propose a practical method that can accurately measure whole array and even distribution any single micro-led chip array. The essentials high-precision complementary metal oxide semiconductor camera...

For humans, nonvisual biological effects, which can be parameterized by the circadian action factor (CAF), are important for their health and work performance. In this paper, an approach adjusting electrical currents of three-primary light-emitting diodes (RGB-LEDs) to tune CAF color coordinates close those standard light with various correlated temperature (CCT) (2700 K-6500 K) has been reported. This is based on deriving empirical formula between optical power current. order meet...

Although high quantum efficiency has been achieved in large-sized InGaN/GaN LEDs operating at relatively current densities (above 35 A/cm2), the density of mini-LEDs (around 1 A/cm2) is far less than that traditional LEDs. The low external (EQE) small seriously hinders their practical applications, highlighting importance investigating radiative recombination mechanisms densities. By using microscopic hyperspectral imaging, cryogenic electroluminescence (EL) GaN-based green mainly...

InGaN/GaN light-emitting diodes (LEDs) with a graded-composition multiple quantum well (GQW) were designed not only to investigate the effect of polarization field on efficiency droop in wells (MQWs) but find out possible solutions prevent or reduce GaN-based LEDs as well. Pulsed electroluminescence measurement, avoid heating effects partly, revealed that output intensity peak occurs at <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML"...

Currently, deep drilling operates under extreme conditions of high temperature and pressure, demanding more from subterranean power motors. The all-metal positive displacement motor, known for its robust performance, is a critical choice such drilling. dimensions the PDM are crucial performance output. To enhance this, optimization motor's profile using genetic algorithm has been undertaken. design process begins with computation initial stator rotor curves based on equations screw cycloid....

With the emerging market for multichip module based high-power LED systems, demand advanced thermal management techniques has been steadily growing. This paper presents a model developed by authors coupling matrix that can calculate temperature distribution at given heat power of each chip. The significantly simplifies task measuring effect on light-emitting diodes with symmetrical structure, while simultaneously preserving accuracy. modeling technique was validated experimentally three-,...