Monte-Carlo simulation of lifetime distribution on array interconnection of LED module [PDF]
, 2011 利用蒙特卡洛方法对阵列化互连lEd模组的可靠寿命进行了模拟,假设分档后的大功率白光lEd的正向电压符合正态分布,额定电流下的寿命符合对数正态分布,且寿命和电流、温度的关系符合EyIng模型,研究了nxn(6≤n≤12)lEd阵列的寿命分布。模拟结果表明,对于nxnlEd阵列,寿命随lEd数目的增加没有下降反而略有增加,表明对多数目lEd模组采用阵列化互连电路较传统串并联电路具有优势,能提高阵列的可靠性;对系统采用电流降额使用,可靠寿命随着电流降额量的增大而增大,电流降额越大,寿命增大越多 ...
夏正浩, 李炳乾, 郑同场
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Synthesis of YAG: Tb3+ Nano-sized Phosphors and Property Improvement of YAG: Ce3+ Phosphors [PDF]
, 2007 近年来，世界各国纷纷投入专项研究资金用于发展纳米技术，由此，催生了一系列纳米材料制备的新方法，其中纳米粉体的制备倍受重视，本文探索性地研究了用高分子网络凝胶法在低温下制备纳米YAG:Tb3+（Y3Al5O12:Tb3+）绿光荧光粉。在另一方面，目前全球正在倡导半导体照明，白光LED将作为未来的主流照明产品，替代现有白炽灯和荧光灯。目前商用白光LED大多采用光转换方式，即将YAG:Ce3+（Y3Al5O12:Ce3+）荧光粉涂敷在蓝光LED芯片表面，由LED发出的蓝光激发荧光粉发出黄光 ...
陈都
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Construction and Characterization of Soybean Isolate Protein-Polysaccharide-Starch Salt-reducing Gel System [PDF]
In this paper, salt-reducing gel based on soybean protein isolate-polysaccharide-cassava starch was constructed with konjac glucomannan, carrageenan and xanthan gum, respectively. The results showed that soy protein-Konjac glucomannan condensates and soy
Baodong ZHENG +6 more
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Effect of Low Temperature Ultrafine Grinding on the Quality Characteristics of Whole Wheat Flour Dough [PDF]
In order to study the effect of ultrafine grinding time on the quality characteristics of whole wheat flour and dough, wheat was used as raw material and the whole grain wheat was ultra-finely ground by direct grinding method.
CHEN Lin +5 more
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The Research on Wind-induced Vibration Control of a New Damped Outrigger System [PDF]
, 2014 随着建筑物高度的增加，建筑结构的刚度和阻尼变得越来越小，导致结构地震和风振效应愈加明显。传统的结构设计通过设置加强层等增加结构侧向刚度的方法来抵御地震荷载及风荷载，但同时引起了结构刚度和内力的突变，并易形成薄弱层。因此，通过附加控制装置来减小水平荷载引起的结构响应已成为高层建筑发展的重要方向。加强层阻尼体系作为一种新型的耗能减振系统，将加强层与外框架柱断开，利用两者之间较大的位移差来布设粘滞阻尼器，具有非常良好的减振效果。本文在前人研究的基础上，提出了伸臂加强层阻尼体系的新的简化模型 ...
范惠能
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Three-dimensional Middle Infrared Spectroscopy Study on Crystalline and Amorphous Structures and Thermostability of Corn, Wheat, and Pea Starch [PDF]
The structure and thermal denaturation of three types of starch, including corn starch, wheat starch, and pea starch, were studied using one-dimensional mid infrared (MIR) spectroscopy, temperature dependent one-dimensional MIR spectroscopy and two ...
CHAI Jia-xin +7 more
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Effect of Fatty Acid Chain Length on Properties of Rice Starch-Fatty Acid Complexes [PDF]
Rice starch-fatty acid complexes were prepared by compounding rice starch with different chain lengths of lauric acid (C12), myristic acid (C14), and palmitic acid (C16). By measuring the composite index, gelatinization properties, rheological properties,
Boxin DOU +6 more
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Experimental Evaluation of the Electrical Characteristics of Denki-Pan [PDF]
, 2018 We experimentally studied the electrical characteristics of Denki-Pan.
アオキ タカシ, 青木 孝
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Effect of Adding Large-leaf Yellow Powder with Different Particle Sizes on the Quality Characteristics of Dough [PDF]
To investigate the effect of different particle sizes of large-leaf yellow tea powder on the quality characteristics of wheat dough, this study selected five types of tea powder, namely coarse powder, fine powder, ultra-fine I, ultra-fine II, and ultra ...
Chaohua WAN +8 more
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