U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject "hybrids" Remove constraint Subject: "hybrids"
Start Over

Search

30,335  Search Results

« Previous | 1 - 20 of 30,335 |
Number of results to display per page

Search Results

1. Edge Guided Context Aggregation Network for Semantic Segmentation of Remote Sensing Imagery

Author:
Zhiqiang Liu; Jiaojiao Li; Rui Song; Chaoxiong Wu; Wei Liu; Zan Li; Yunsong Li
Source:
Remote Sensing 2022 v.14 no.6 pp. -
ISSN:
2072-4292
Subject:
hybrids,   etc   ; algorithms; data collection;     Show all 3 Subjects
Abstract:
... Semantic segmentation of remote sensing imagery (RSI) has obtained great success with the development of deep convolutional neural networks (DCNNs). However, most of the existing algorithms focus on designing end-to-end DCNNs, but neglecting to consider the difficulty of segmentation in imbalance categories, especially for minority categories in RSI, which limits the performance of RSI semantic se ...
DOI:
10.3390/rs14061353

2. Towards just sustainability through government-led housing: conceptual and practical considerations

Author:
Christina Culwick Fatti
Source:
Current opinion in environmental sustainability 2022 v.54 pp. 101150
ISSN:
1877-3435
Subject:
hybrids,   etc   ; environmental sustainability; society;     Show all 3 Subjects
Abstract:
... Government-led housing is linked explicitly to building socially just and environmentally sustainable cities. However, marrying justice and sustainability remains an intractable challenge. This paper reveals how this challenge is both conceptual and practical. This review considers the hybrid notion of just sustainability and how these ideas are reflected within government-led housing, using South ...
DOI:
10.1016/j.cosust.2022.101150

3. Am I an environmental entrepreneur? On the evolution of entrepreneurial identity

Author:
Chiara De Bernardi; Alisa Sydow
Source:
Journal of cleaner production 2022 v.347 pp. 131306
ISSN:
0959-6526
Subject:
hybrids,   etc   ; entrepreneurship; evolution; wine industry;     Show all 4 Subjects
Abstract:
... The interest in environmental entrepreneurship (EE) is growing. Notably, environmental entrepreneurs are hybrid individuals, who meet commercial and ecological identities. Their entrepreneurial identity (EI) plays a key role in successfully starting and continuing entrepreneurial activities. Given that scholars have recognized the pivotal concept of EI for understanding EE, and that they have call ...
DOI:
10.1016/j.jclepro.2022.131306

4. Is it up to business, governments, or individuals to tackle the marine plastic problem? A hybrid mixed logit approach

Author:
Keila Meginnis; Adam Domanski; Valeria M. Toledo-Gallegos
Source:
Marine pollution bulletin 2022 v.174 pp. 113169
ISSN:
0025-326X
Subject:
hybrids,   etc   ; marine debris; marine pollution;     Show all 3 Subjects
Abstract:
... Marine plastic pollution is one of the most talked about environmental issues of our time. While marine plastic pollution generally originates from mismanaged waste from land, waste from ships and fishing gear produce a unique threat to the global seas. Using a choice experiment, we explore preference for a marine debris removal and prevention programme focusing on derelict fishing gear. Additiona ...
DOI:
10.1016/j.marpolbul.2021.113169

5. Multi-Resolution Transformer Network for Building and Road Segmentation of Remote Sensing Image

Author:
Zhongyu Sun; Wangping Zhou; Chen Ding; Min Xia
Source:
ISPRS international journal of geo-information 2022 v.11 no.3 pp. -
ISSN:
2220-9964
Subject:
hybrids,   etc   ; land cover; spatial data;     Show all 3 Subjects
Abstract:
... Extracting buildings and roads from remote sensing images is very important in the area of land cover monitoring, which is of great help to urban planning. Currently, a deep learning method is used by the majority of building and road extraction algorithms. However, for existing semantic segmentation, it has a limitation on the receptive field of high-resolution remote sensing images, which means ...
DOI:
10.3390/ijgi11030165

6. Synthesis of Succinonitrile Derivatives by Homocoupling from Cyanohydrin Derivatives with a Low-Valent Titanium Reagent

Author:
Kazuma Matsunaga; Ryusei Endo; Kokoro Nagasawa; Atsushi Kishida; Kazuhiko Takatori
Source:
Journal of organic chemistry 2022 v.87 no.5 pp. 3707-3711
ISSN:
1520-6904
Subject:
hybrids,   etc   ; organic chemistry; succinonitrile; titanium;     Show all 4 Subjects
Abstract:
... A method is described for synthesizing succinonitrile derivatives bearing alkyl or aryl substituents from cyanohydrin derivatives using low-valent titanium. The active species in this reaction is proposed to be a resonance hybrid of the Tiᴵⱽ nitrile enolate and Tiᴵᴵᴵ alkyl radical. ...
DOI:
10.1021/acs.joc.1c02643

7. Adaptive linear feature-reuse network for rapid forest fire smoke detection model

Author:
Jiayong Li; Guoxiong Zhou; Aibin Chen; Yanfeng Wang; Jianwu Jiang; Yahui Hu; Chao Lu
Source:
Ecological informatics 2022 v.68 pp. 101584
ISSN:
1574-9541
Subject:
hybrids,   etc   ; Internet; forest fires; models; smoke;     Show all 5 Subjects
Abstract:
... Current mainstream smoke detection methods have some problems, such as missing report, large deviation of detection box and slow detection speed. Therefore, we propose an Adaptive Linear Feature-Reuse Network for Rapid Forest Fire Smoke Detection (ALFRNet). Firstly, we designed Double Linear Feature-Reuse Module(DLFR Module) to reduce information loss in the process of the acquisition of smoke ima ...
DOI:
10.1016/j.ecoinf.2022.101584

8. Behavior of Centromeres during Restitution of the First Meiotic Division in a Wheat–Rye Hybrid

Author:
Adam J. Lukaszewski
Source:
Plants 2022 v.11 no.3 pp. -
ISSN:
2223-7747
Subject:
hybrids,   etc   ; centromeres; chromatids; meiosis; metaphase; pollen;     Show all 6 Subjects
Abstract:
... In first division restitution (FDR)-type meiosis, univalents congregate on the metaphase I plate and separate sister chromatids in an orderly fashion, producing dyads with somatic chromosome numbers. The second meiotic division is abandoned. The separation of sister chromatids requires separation of otherwise fused sister centromeres and a bipolar attachment to the karyokinetic spindle. This study ...
DOI:
10.3390/plants11030337

9. Homogeneous Optical Line Widths in Hybrid Ruddlesden–Popper Metal Halides Can Only Be Measured Using Nonlinear Spectroscopy

Author:
Ajay Ram Srimath Kandada; Hao Li; Eric R. Bittner; Carlos Silva-Acuña
Source:
Journal of physical chemistry 2022 v.126 no.12 pp. 5378-5387
ISSN:
1932-7455
Subject:
hybrids,   etc   ; photoluminescence; physical chemistry; spectroscopy; temperature;     Show all 5 Subjects
Abstract:
... The homogeneous photoluminescence spectral line width in semiconductors carries a wealth of information on the coupling of primary photoexcitations with their dynamic environment as well as between multiparticles. In the limit in which inhomogeneous broadening dominates the total optical line widths, the inhomogeneous and homogeneous contributions can be rigorously separated by temperature-depende ...
DOI:
10.1021/acs.jpcc.2c00658

10. Hybrid Compact Polarimetric SAR Calibration Considering the Amplitude and Phase Coefficients Inconsistency

Author:
Wentao Hou; Fengjun Zhao; Xiuqing Liu; Dacheng Liu; Yonghui Han; Yao Gao; Robert Wang
Source:
Remote Sensing 2022 v.14 no.2 pp. -
ISSN:
2072-4292
Subject:
hybrids,   etc   ; algorithms; polarimetry; synthetic aperture radar;     Show all 4 Subjects
Abstract:
... Calibration using corner reflectors is an effective way to estimate the distortion parameters of hybrid compact polarimetric (HCP) synthetic aperture radar (SAR) systems. However, the existing literature lacks a discussion on the inconsistency of the amplitude and phase coefficients between measured scattering vectors of different corner reflectors. In response to this problem, this paper first pr ...
DOI:
10.3390/rs14020416

11. Image recognition using convolutional neural networks for classification of honey bee subspecies

Author:
Dario De Nart; Cecilia Costa; Gennaro Di Prisco; Emanuele Carpana
Source:
Apidologie 2022 v.53 no.1 pp. 5
ISSN:
0044-8435
Subject:
hybrids,   etc   ; data collection; honey bees; morphometry;     Show all 4 Subjects
Abstract:
... Four models based on convolutional neural networks were used to investigate whether image recognition techniques applied to honey bee wings could be used to discriminate among honey bee subspecies. A dataset consisting of 9887 wing images belonging to 7 subspecies and one hybrid was analysed with ResNet 50, MobileNet V2, Inception Net V3, and Inception ResNet V2. Accuracy values of classification ...
DOI:
10.1007/s13592-022-00918-5

12. The examinations of grain yield and yield components in new white maize varieties using line × tester analysis method

Author:
M.A. Abdel-Moneam; W.A.E. Abido; M.S. Sultan; Á. Hadházy; L. Zsombik; S.E. Sadek; M.S. Shalof
Source:
Acta ecologica Sinica 2022 v.42 no.1 pp. 63-67
ISSN:
1872-2032
Subject:
hybrids,   etc   ; corn; ears; grain yield; summer;     Show all 5 Subjects
Abstract:
... Line × tester set was obtained by crossing 10 inbred lines with 2 testers in maize. 20 F1`s along with 12 parents (10 S6 lines and 2 testers) and two standard white checks (TWC321 and TWC324) were evaluated randomized complete block Design (RCBD) with three replications during summer season 2016 to detect the best new white crosses for the potential comercial crosses. Data were recorded on cob len ...
DOI:
10.1016/j.chnaes.2021.02.004

13. A hybrid instrument for China's post-2020 mitigation commitments: A sectoral coverage perspective

Author:
Ning Chang; Chaohui Han
Source:
Journal of cleaner production 2022 v.332 pp. 130033
ISSN:
0959-6526
Subject:
hybrids,   etc   ; carbon; carbon markets; models; prices; China;     Show all 6 Subjects
Abstract:
... Sectoral coverage is a chief challenge in the design of carbon mitigation policies, this paper addresses such a concern within a hybrid regulation setting in which a carbon tax is adopted for complementary regulation of emission sources outside the Emission Trading System (ETS) in China. With a focus on the efficiency of the hybrid system, the regulated sectors are identified by linkage analysis a ...
DOI:
10.1016/j.jclepro.2021.130033

14. Cell membrane-based biomimetic nanosystems for advanced drug delivery in cancer therapy: A comprehensive review

Author:
Jianing Zhao; Jian Ruan; Guangyao Lv; Qi Shan; Zhiping Fan; Hongbo Wang; Yuan Du; Longbing Ling
Source:
Colloids and surfaces 2022 v.215 pp. 112503
ISSN:
0927-7765
Subject:
hybrids,   etc   ; biomimetics; cancer therapy; drugs; nanocarriers; nanomedicine;     Show all 6 Subjects
Abstract:
... Natural types of cells display distinct characteristics with homotypic targeting and extended circulation in the blood, which are worthy of being explored as promising drug delivery systems (DDSs) for cancer therapy. To enhance their delivery efficiency, these cells can be combined with therapeutic agents and artificial nanocarriers to construct the next generation of DDSs in the form of biomimeti ...
DOI:
10.1016/j.colsurfb.2022.112503

15. Effect of Feed Form on Body Conformation Traits of Different Hybrids of Broiler Chickens

Author:
Oluwabukola Olayemi Lawrence Azua; Gelaye Gebisa; Oda Gizaw
Source:
International journal of zoology 2022 v.2022 pp. -
ISSN:
1687-8485
Subject:
hybrids,   etc   ; body conformation; mash; mash feed; zoology;     Show all 5 Subjects
Abstract:
... This research was conducted to measure the exterior characteristics in four hybrids of broilers fed pelleted and commercial mash feed. A total of 112 one-day-old chicks from four broiler hybrids, namely, Arbor Acre, Cobb 500, Marshall, and Ross 308 were used for this experimentation and allocated into four treatments with 28 birds of each hybrid and were replicated four times with 7 birds per repl ...
DOI:
10.1155/2022/5616692

16. Hybrid Variability Aware Network (HVANet): A Self-Supervised Deep Framework for Label-Free SAR Image Change Detection

Author:
Jian Wang; Yinghua Wang; Hongwei Liu
Source:
Remote Sensing 2022 v.14 no.3 pp. -
ISSN:
2072-4292
Subject:
hybrids,   etc   ; data collection; streams; synthetic aperture radar;     Show all 4 Subjects
Abstract:
... Synthetic aperture radar (SAR) image change detection (CD) aims to automatically recognize changes over the same geographic region by comparing prechange and postchange SAR images. However, the detection performance is usually subject to several restrictions and problems, including the absence of labeled SAR samples, inherent multiplicative speckle noise, and class imbalance. More importantly, for ...
DOI:
10.3390/rs14030734

17. Hybrid vibro-acoustic energy harvesting using electromagnetic transduction for autonomous condition monitoring system

Author:
Iftikhar Ahmad; Lim Meng Hee; Ahmed M. Abdelrhman; Syed Asad Imam; M.S. Leong
Source:
Energy conversion and management 2022 v.258 pp. 115443
ISSN:
0196-8904
Subject:
hybrids,   etc   ; acoustics; administrative management; energy efficiency; vibration;     Show all 5 Subjects
Abstract:
... Condition monitoring systems (CMS) play a significant role in enhancing performance and lowering failure losses in any industrial setup. Appropriate wireless sensor nodes (WSNs) used in CMS will permit the user to check the live status of machines, however, these WSNs are facing the periodic replacement and recharging problems of batteries. Energy harvesters, used to scavenge ambient energy, are v ...
DOI:
10.1016/j.enconman.2022.115443

18. Hybridizing waterborne transport: Modeling and simulation of low-emissions hybrid waterbuses for the city of Venice

Author:
Federico Miretti; Daniela Misul; Giulio Gennaro; Antonio Ferrari
Source:
Energy 2022 v.244 pp. 123183
ISSN:
0360-5442
Subject:
hybrids,   etc   ; air quality; algorithms; energy; public transportation;     Show all 5 Subjects
Abstract:
... Hybrid-electric powertrains are among the most promising technologies for abating emissions from marine vessels in sensitive areas. However, their effectiveness strongly depends on the context they operate into. This paper attempts to evaluate the potential impact on air quality of hybridizing the diesel-powered waterbuses that currently operate in the city of Venice as part of the local public tr ...
DOI:
10.1016/j.energy.2022.123183

19. Particle subgrid scale modeling in hybrid RANS/LES of turbulent channel flow at low to moderate Reynolds number

Author:
Mohamed Aly Sayed; Abdel Dehbi; Bojan Niceno; Konstantin Mikityuk
Source:
Powder technology 2022 v.397 pp. 117013
ISSN:
0032-5910
Subject:
hybrids,   etc   ; Reynolds number; dynamic models; equations; viscosity;     Show all 5 Subjects
Abstract:
... Particle dispersion in a periodic channel is studied using the elliptic relaxation hybrid RANS/LES (ER-HRL) model. This approach employs a four-equation linear eddy viscosity (LEV) model while in Reynolds Averaged Navier-Stokes (RANS) mode near the wall, and switches to the LES Smagorinsky dynamic model in the outer flow region. We perform a systematic analysis of the dispersion of six sets of par ...
DOI:
10.1016/j.powtec.2021.11.057

20. The decreasing area of hybrid rice production in China: causes and potential effects on Chinese rice self-sufficiency

Author:
Min Huang
Source:
Food security 2022 v.14 no.1 pp. 267-272
ISSN:
1876-4517
Subject:
hybrids,   etc   ; decline; food security; inbreeding; rice; China;     Show all 6 Subjects
Abstract:
... The development of hybrid rice varieties, which have been reported to out-yield inbred rice varieties by about 10%, is necessary in ensuring China’s food security. However, the agricultural area where hybrid rice is grown has decreased by 25% (about 5 million ha) in China since 1995. Assuming such better yield performance of hybrids compared to inbreds, the decrease in hybrid rice production area ...
DOI:
10.1007/s12571-021-01199-z