全文获取类型
收费全文 | 139篇 |
免费 | 4篇 |
专业分类
电工技术 | 2篇 |
综合类 | 1篇 |
化学工业 | 27篇 |
金属工艺 | 4篇 |
机械仪表 | 2篇 |
建筑科学 | 4篇 |
能源动力 | 7篇 |
轻工业 | 15篇 |
水利工程 | 3篇 |
石油天然气 | 1篇 |
无线电 | 18篇 |
一般工业技术 | 29篇 |
冶金工业 | 7篇 |
原子能技术 | 3篇 |
自动化技术 | 20篇 |
出版年
2024年 | 1篇 |
2023年 | 3篇 |
2022年 | 3篇 |
2021年 | 8篇 |
2020年 | 9篇 |
2019年 | 6篇 |
2018年 | 8篇 |
2017年 | 8篇 |
2016年 | 7篇 |
2015年 | 2篇 |
2014年 | 9篇 |
2013年 | 15篇 |
2012年 | 11篇 |
2011年 | 14篇 |
2010年 | 8篇 |
2009年 | 4篇 |
2008年 | 4篇 |
2007年 | 1篇 |
2006年 | 2篇 |
2005年 | 2篇 |
2003年 | 2篇 |
2002年 | 1篇 |
2001年 | 1篇 |
1999年 | 1篇 |
1998年 | 3篇 |
1995年 | 2篇 |
1993年 | 1篇 |
1988年 | 1篇 |
1985年 | 1篇 |
1984年 | 3篇 |
1978年 | 1篇 |
1974年 | 1篇 |
排序方式: 共有143条查询结果,搜索用时 296 毫秒
141.
In this work we investigate the operation mechanism of hybrid organic/inorganic quantum dot light emitting devices (QD-LEDs).
We employ a numerical method previously established to describe current-voltage characteristics, spatial distributions of
charge, electric field, and recombination rate in organic light emitting devices (OLEDs). The numerical solution of the continuity
and Poisson equations have been extended to treat internal organic/Quantum Dot (QD) interfaces, recombination processes in
the polymer matrix and in the QDs, and the charge acquired by the QDs. The contact boundary condition is taken to be Schottky
contact boundary condition. Also, we consider the exciton formation and diffusion processes. The simulation results trend
and experimental data are in good agreement. 相似文献
142.
143.
Vinay Gautam Naresh Kumar Trivedi Abhineet Anand Rajeev Tiwari Atef Zaguia Deepika Koundal Sachin Jain 《计算机系统科学与工程》2023,44(3):2259-2275
Skin lesions detection and classification is a prominent issue and difficult even for extremely skilled dermatologists and pathologists. Skin disease is the most common disorder triggered by fungus, viruses, bacteria, allergies, etc. Skin diseases are most dangerous and may be the cause of serious damage. Therefore, it requires to diagnose it at an earlier stage, but the diagnosis therapy itself is complex and needs advanced laser and photonic therapy. This advance therapy involves financial burden and some other ill effects. Therefore, it must use artificial intelligence techniques to detect and diagnose it accurately at an earlier stage. Several techniques have been proposed to detect skin disease at an earlier stage but fail to get accuracy. Therefore, the primary goal of this paper is to classify, detect and provide accurate information about skin diseases. This paper deals with the same issue by proposing a high-performance Convolution neural network (CNN) to classify and detect skin disease at an earlier stage. The complete methodology is explained in different folds: firstly, the skin diseases images are pre-processed with processing techniques, and secondly, the important feature of the skin images are extracted. Thirdly, the pre-processed images are analyzed at different stages using a Deep Convolution Neural Network (DCNN). The approach proposed in this paper is simple, fast, and shows accurate results up to 98% and used to detect six different disease types. 相似文献