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• 长春光学精密机械与... [18]
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• 会议论文 [19]
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浏览/检索结果: 共24条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Unify the exposure and the burial age calculating methods by in situ produced cosmogenic nuclides 期刊论文  OAI收割 ACTA PETROLOGICA SINICA, 2021, 卷号: 37, 期号: 5, 页码: 1611-1618 作者:  Huang FeiXin;  Cheng Yang;  Li Yan;  Li GuangWei;  Dong GuoCheng   |  收藏  |  浏览/下载：19/0  |  提交时间：2021/12/06 Cosmogenic nuclide  Exposure age  Burial age  Calculating method  Unify   Stack and fugitive emissions of major air pollutants from typical brick kilns in China 期刊论文  OAI收割 ENVIRONMENTAL POLLUTION, 2017, 卷号: 224, 期号: 2017, 页码: 421-429 作者:  Liu, Yuanlong;  Zhou, Bianhong;  Li, Jianjun;  Wu, Shuiping;  Shen, Guofeng   |  收藏  |  浏览/下载：40/0  |  提交时间：2018/10/17 Major Pollutants  Brick Kilns  Fugitive Emission  Stack Emission  New Calculating Method   The Calculating Method of Erosion Depth of Viscous Debris Flow 期刊论文  OAI收割 Applied Mechanics and Materials, 2012, 期号: 208, 页码: 3441-3444 作者:  LIU Jinfeng;  YOU Yong 收藏  |  浏览/下载：22/0  |  提交时间：2012/12/13 debris flow  erosion depth  viscous debris flow  calculating method   The Calculating Method of deposition Thickness of Viscous Debris Flow 会议论文  OAI收割 1st International Conference on Energy and Environmental Protection (ICEEP 2012), Hohhot, PEOPLES R CHINA, 2012-6-23~24 You Yong（游勇）, Lin Xueping（林雪平）, Liu Jinfeng（柳金峰） 收藏  |  浏览/下载：24/0  |  提交时间：2012/12/13 Calculating method  Deposition thickness  Viscous debris flow   东北典型薄层黑土区土壤可蚀性模型适用性分析 期刊论文  OAI收割 农 业 工 程 学 报, 2012, 卷号: 28, 期号: 6, 页码: 126-131 王彬; 郑粉莉; 王玉玺 收藏  |  浏览/下载：52/0  |  提交时间：2014/06/17 土壤  soils  砂  sand  模型  models  可蚀性  erodibility  极细砂粒  very fine sand  含量  contents  K值估算  K value calculating method  东北黑土区  black soil region of   Immersed nanospheres super-lithography for the fabrication of sub-70nm nanoholes with period below 700nm (EI CONFERENCE) 会议论文  OAI收割 2012 12th IEEE International Conference on Nanotechnology, NANO 2012, August 20, 2012 - August 23, 2012, Birmingham, United kingdom 作者:  Li S.;  Du J.;  Shi L. 收藏  |  浏览/下载：139/0  |  提交时间：2013/03/25 A maskless nano-lithography method by using polystyrene spheres (PSs) self-assembled on silver slab (NSSL) was proposed in [optics express  Vol. 16  No. 19 (2008) 14397]. Following that  to break the limitations in resolution and PSs period of NSSL method  in this paper  we present PSs immersed super-resolution lithography (NSISL) technology by embedding the PSs into appropriate material to improve the efficiency of the surface plasmon excitation. The energy modulating mechanism and the rules of the resolution affected by silver slab were studied by calculating and analysing the energy distribution. The curve of the lithography resolution versus the silver thickness was presented. In order to verify this method  contrast analysis was carried out with NSSL. The results show that the lithography resolution is improved efficiently. Taking a specific configuration with PS diameter of 600nm as an example  the resolution was improved to 54nm from 190nm with Ag thickness of 25nm. Based on the calculation results  we carried out the experiments. Nano holes with dimension of 75nm and period of 600nm were obtained. 2012 IEEE.   The fuzzy comprehensive evaluation of laser weapon system combat effectiveness (EI CONFERENCE) 会议论文  OAI收割 2012 3rd International Conference on Mechanical, Industrial, and Manufacturing Technologies, MIMT 2012, March 24, 2012 - March 25, 2012, Shenzhen, China Li H.; Guo L. 收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25 To evaluate the laser weapon system's combat effectiveness  which is related with so many factors  is a very complex issue. In this paper  by analyzing the factors which influence the laser weapon system  an index system for the laser weapon system comprehensive evaluation of the combat effectiveness is built up. The method of calculating weight  the improved analytic hierarchy process is introduced. The evaluation model of improved fuzzy-AHP is established and the feasibility and the validity of the proposed evaluation method is validated through a practical example. (2012) Trans Tech Publications  Switzerland.   梯田建设和淤地坝淤积对土壤侵蚀影响的定量分析 期刊论文  OAI收割 地理学报, 2012, 卷号: 67, 期号: 5, 页码: 599-608 高海东; 李占斌; 李鹏; 贾莲莲; 张翔 收藏  |  浏览/下载：32/0  |  提交时间：2014/06/17 水土保持  soils  黄土高原  sand  修正通用土壤流失方程  models  演替  erodibility  very fine sand  contents  K value calculating method  black soil region of   Space camera dynamic image quality measurement and evaluation (EI CONFERENCE) 会议论文  OAI收割 3rd International Conference on Measuring Technology and Mechatronics Automation, ICMTMA 2011, January 6, 2011 - January 7, 2011, Shanghai, China 作者:  Zhang X.;  Zhang X.;  Zhang X. 收藏  |  浏览/下载：21/0  |  提交时间：2013/03/25 By using analysis of the infinity image of the space camera  we intend to obtain the curve of the dynamic modulation transfer function. We extract the pixel gray values at the image edge which distribute as a knife-edge function  and make differential calculation and Fourier transformation of it  and then we can obtain the dynamic MTF curve of the optical system. The value of the curve at the Nyquist frequency is the most important parameter that reflects the image quality. We add push-scanning imaging and environmental effects to the static MTF of space camera and compare the MTF value with the dynamic MTF at Nyquist frequency. The comparison result can help us verify the accuracy of the calculating results and the feasibility of our method. (2011) Trans Tech Publications.   Robust trajectory tracking control of autonomous quad-rotor UAV based on double loop frame (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Materials, Mechatronics and Automation, ICMMA 2011, January 15, 2011 - January 16, 2011, Melbourne, VIC, Australia 作者:  Sun Q. 收藏  |  浏览/下载：24/0  |  提交时间：2013/03/25 This paper deals with the under-actuated characteristic of a quad-rotor unmanned aerial vehicle (UAV). By designing the double loop configuration  the autonomous trajectory tracking is realized. The model uncertainty  external disturbance and the senor noise are also taken into consideration. Then the H controller is put forward in the inner loop. An optimal stability augmentation control (SAC) method is used to stabilize the horizon position and keep it away from oscillation. By calculating the nonlinear decouple map  control quantity is converted to the speeds of the four rotors. At last some simulation results and the prototype implementation prove that the control method is effective.