非常规蛋白基木材胶黏剂研究现状及发展前景

介绍了动物和植物型非常规蛋白资源的种类及其制备蛋白基木材胶黏剂的研究现状和存在的问题,展望了非常规蛋白胶黏剂的发展前景。     

Image and Feature Space Based Domain Adaptation for Vehicle Detection

The application of deep learning in the field of object detection has experienced much progress. However, due to the domain shift problem, applying an off-the-shelf detector to another domain leads to a significant performance drop. A large number of ground truth labels are required when using another domain to train models, demanding a large amount of human and financial resources. In order to avoid excessive resource requirements and performance drop caused by domain shift, this paper proposes a new domain adaptive approach to cross-domain vehicle detection. Our approach improves the cross-domain vehicle detection model from image space and feature space. We employ objectives of the generative adversarial network and cycle consistency loss for image style transfer in image space. For feature space, we align feature distributions between the source domain and the target domain to improve the detection accuracy. Experiments are carried out using the method with two different datasets, proving that this technique effectively improves the accuracy of vehicle detection in the target domain.     

Role of Co in formation of Ni-Ti clusters in maraging stainless steel

The effect of Co addition on the formation of Ni-Ti clusters in maraging stainless steel was studied by three dimensional atom probe (3DAP) and first-principles calculation. The cluster analysis based on the maximum separation approach showed an increase in size but a decrease in density of Ni-Ti clusters with increasing the Co content. The first-principles calculation indicated weaker Co-Ni (Co-Ti) interactions than Co-Ti (Fe-Ti) interactions, which should be the essential reason for the change of distribution characteristics of Ni-Ti clusters in bcc Fe caused by Co addition.     

珐琅彩在现代中式家具设计中的应用

目前,我国家具的发展处于瓶颈阶段,市场需要多元化的产品来满足消费者日益增长的精神文化需求,当前的家具设计又缺乏创新,在国际市场上难以形成自我特色。中国古代工艺美术曾达到相当的高度,其中,珐琅彩盛名远播,工艺精湛,器形优美,值得我们进行深入研究和创新。本文通过对珐琅彩历史、工艺及图案装饰与色彩搭配方面的研究,提炼出珐琅彩适合现代家具设计的元素,以期为设计出能满足现代人们审美需要,又能实现具体功能,并适合现代市场的珐琅家具提供参考。     

Operating Range Scheduled Robust Dahlin Algorithm to Typical Industrial Process with Input Constraint

International Journal of Control, Automation and Systems - There is a class of typical nonlinear industrial process, which can be characterized by a first-order inertia plus pure delay model in an...     

人员行为对住宅建筑热负荷需求的影响研究

本文对西安市某居民住宅楼不同人员的作息规律和用能行为进行了调研测试,利用马尔可夫链模型和事件机制模拟了不同人员的在室情况,结合DeST软件对考虑人员在室情况和人员行为影响后的住宅建筑热负荷需求进行了模拟,并与传统负荷计算方法下得到的建筑热负荷需求进行比较.结果表明,人员行为对住宅建筑热负荷需求的影响较大,考虑人员行为影响因素后建筑的热负荷需求呈现显著地波动变化且供暖季近92％的时刻建筑的负荷率均不超过60％,上述结果可为供暖系统的设计和运行管理提供指导.     

大岗山面板堆石坝加速度放大系数对材料动参数和输入地震动的敏感性分析

大岗山面板堆石坝方案的面板堆石坝高205m,按规范插值估计其坝顶加速度放大系数iα为1.85,然而已计算的结果是iα小于0.9。本文作了iα对堆石料动模量参数n、阻尼参数和输入地震动的敏感性分析,发现iα对动参数n、阻尼参数最为敏感,大岗山的堆石动参数n、阻尼参数、地震波形、输入地震动峰值都使iα较一般情况小。计算还表明,iα反应最大处在下游坝坡偏下部,对下游坝坡堆石块粒需采取有效的防滚滑措施。     

Structure, properties, and thermal stability of nanocrystallite Fe-Ti-N soft magnetic films

We deposited Fe-Ti-N magnetic films with a high sputtering power of 7 W/cm/sup 2/. When the composition of the films was in the range of Fe-Ti(3.9 at.%)-N(8.8 at.%) to Fe-Ti(3.3 at.%)-N(13.5 at.%), the films were composed of /spl alpha/' and Ti/sub 2/N precipitates. With the addition of nitrogen, 4/spl pi/M/sub s/ became higher than that of pure iron, reaching a maximum of 23.8 kG. At the same time, H/sub c/ was reduced to a minimum of 1.12 Oe. The best films can meet the needs of the recording head in dual-element giant magnetoresistive/inductive heads, yielding high storage density (10 Gb/in/sup 2/). The incorporation of N in /spl alpha/-Fe brought about the /spl alpha/' phase with its higher saturation magnetization. Ti additions inhibited the equilibrium decomposition /spl alpha/'/spl rarr//spl alpha/+/spl gamma/'. Because H/sub C//sup D//spl prop/D/sup 6/, where D is average grain diameter, grain size control is very important. The nitrogen induces severe distortion of the /spl alpha/' lattice, which can cause the grains to break into pieces and reduce the grain size. High sputtering power also led to the formation of fine grains, with diameter in the order of 14 nm. Probably Ti/sub 2/N is preferentially precipitated on the grain boundary, pinning the grain boundary and stabilizing the grain size during high-temperature heat treatment. The temperature limit for stability of the structure and its associated low coercivity was not less than 520/spl deg/C.