29.5m高蓄冷罐基础设计

为解决直径5.9 m,高29.5 m蓄冷罐基础设计,提出了一种通过有限元分析软件MIDAS/Gen对上部钢结构蓄冷罐进行模态分析、反应谱分析的方法,实践证明:采用该方法不仅可得出多遇地震下的整体倾覆力矩,还能可靠经济地进行蓄冷罐基础设计。     

某教学楼底层柱顶隔震设计及地震响应分析

对某底层为架空层的教学楼进行了底层柱顶隔震设计和动力响应分析。时程分析表明:在7度(0.15g)中震下,减震系数为0.36,减震效果明显,上部结构可以降低半度设计;底层的柱子按8度(0.20g)罕遇地震作用下受到的内力进行强度设计,分析表明底层柱子具有足够的刚度和强度。     

Half supervised coefficient regularization for regression learning with unbounded sampling

In this study, we investigate the consistency of half supervised coefficient regularization learning with indefinite kernels. In our setting, the hypothesis space and learning algorithms are based on two different groups of input data which are drawn i.i.d. according to an unknown probability measure ρ _X . The only conditions imposed on the kernel function are the continuity and boundedness instead of a Mercer kernel and the output data are not asked to be bounded uniformly. By a mild assumption of unbounded output data and a refined integral operator technique, the generalization error is decomposed into hypothesis error, sample error and approximation error. By estimating these three parts, we deduce satisfactory learning rates with proper choice of the regularization parameter.     

真空玻璃平板光伏构件光学物理性能检测与应用

本文首先介绍了真空玻璃平板光伏构件,然后根据相关标准测试该种构件的光学物理性能,最后分析该种构件在全国各气候分区的应用适宜性。     

一种棒球发球机的永磁直流电机开发

通过阐述棒球发球机的永磁直流电机开发过程，介绍了生产永磁直流电机所需关键设备及仪器，总结了永磁直流电机电枢、定子、总装等各个部件的制造工艺，帮助电机制造工艺人员和生产现场管理人员掌握最新的永磁直流电机制造技术。     

Evolution and recovery of original total organic carbon for carbonate source rocks with different total organic carbon in the Tazhong area,Tarim Basin,China

Source rocks generate and expel hydrocarbon with thermal evolution, which lead to a decrease of total organic carbon (TOC) content. A new quantitative model for original total organic carbon (TOC_o) content evolution and recovery was proposed, and then was used to the carbonate source rocks with different TOCs (CSRDTOC) in the Tazhong area, Tarim Basin, China. Studies showed that the higher the TOC of source rocks, the bigger the range of TOC reduction and recovery coefficient. When vitrinite reflectance (VR) is equal to 2.5%, recovery coefficients of TOC_o = 0.2%, 0.4%, and 1.0% are 1.43, 1.66, and 2.01, respectively. It must restore TOC_o when we evaluate source rocks at the stage of high overmaturity and predict oil and gas resources.     

Ultrasound‐based,in‐line monitoring of anaerobe yeast fermentation: model,sensor design and process application

In order to implement process analytical technology in beer manufacturing, an ultrasound‐based in‐line sensor was developed which is capable to determine sound velocity and density via the multiple reflection method. Based on a systematic study of the ternary system water–maltose–ethanol, two models were established to estimate the critical process parameters: sugar and ethanol mass fraction. The sound velocity‐based model showed unreasonable high errors although temperature variations and deviations due to dissolved CO₂ were corrected. In contrast, the sound velocity–density–temperature model provided an average root mean square error of 0.53%g/g sugar and 0.26%g/g ethanol content for the main fermentation. Method, sensor and model showed the capability to capture the process signature which may be related to product and process quality.     

中国BT项目关键成功因素研究

中国不少地方政府采取BT模式建设公共项目,但许多BT项目最终并未取得成功,因此有必要对BT项目关键成功因素进行研究。首先梳理BT项目实施流程及工作内容,结合BT项目成功标准,初步归纳影响BT项目成功的关键因素,然后用问卷调查方法对初步关键成功因素进行修正和确认,得到关键成功因素清单,然后扩大问卷调查范围确定各关键成功因素的重要性,并对重要性的调查结果从整体和按角色进行对比分析,所得结果对BT项目中的业主、实施方、监理等各参与方都有借鉴作用。