基于实际工程的三种物探方法浅对比

通过对比地质雷达勘测京唐港填海建厂区填土层、瞬变电磁法勘测抚顺东露天矿采空区以及高密度电法勘测抚顺东露天矿采空区实际工程,归纳总结了这3种物探方法的原理和应用特点,分析了3种物探方法的优势和适用范围,为这3种物探方法能更好地应用于工程实际提供了理论依据.     

Graft copolymerization modification of silk fabric with an organophosphorus flame retardant

This paper mainly deals with flame retardance of a silk fabric treated with a vinyl phosphate dimethyl 2‐(methacryloyloxyethyl) phosphate (DMMEP) onto silk fabric by a graft copolymerization technique. This paper also explores the relationship between limiting oxygen index (LOI) and weight gain of DMMEP treated silk fabric. The paper also investigates the whiteness, handle, tensile strength and laundering durability of treated silk fabric. Microscale combustion calorimetry (MCC) is applied to test the heat release rate of silk fabric. Thermal gravimetric analysis (TG) and differential thermal analysis (DTA) are carried out to investigate the thermal decomposition behavior of DMMEP treated silk fabric. The kinetic parameters, activation energy and pre‐exponential factor are determined using the Kissenger method. Copyright © 2009 John Wiley & Sons, Ltd.     

基于感性工学的木材山峰状纹理视觉特性研究

本文基于感性工学的原理,通过问卷调查的形式对具有喜欢印象的20个木材山峰状纹理进行视觉心理量语意词汇调研,用聚类分析法进行分析,得出三类视觉心理量所对应的词汇。同时对这20个山峰状纹理用游标卡尺、角度测量仪等工具进行纹理间距、纹理粗细、纹理周期等进行视觉物理量测量,得出的结论与数视觉心理量对比分析,从而得出木材山峰状纹理的视觉特性的一般规律。     

Synthesis and properties of novel functional mesoporous materials

Structurally well-defined mesoporous materials with large surface area and homogeneous pore diameters have been intensively investigated in recent years, furthermore, organofunctionalized mesoporous materials have attracted much attention for their potential application in many fields, such as separation, adsorption and drug delivery. In this paper, fluorescent mesoporous materials were successfully synthesized through “Grafting” method by mesoporous materials and silicon nanocrystals. A comprehensive multi-analytical characterization of the structural and optical properties of the fluorescent materials was carried by fourier transform infrared spectroscopy, powder X-ray diffraction, nitrogen adsorption–desorption measurements, scanning electron microscopy and transmission electron microscope. The behavior of loading and release to ibuprofen has been tested. The fluorescent materials which integrated with two functional components displayed potential in optoelectronic and biomedical applications.     

国有面粉厂提高经济效益新途径

针对目前国有粮食加工企业经济效益下降的实际情况,从如何加强技术管理,如何生产食品专用粉和营养强化粉以适应市场需求的角度,阐述了国有粮食加工企业提高经济效益的新途径。     

高频导磁体感应器的制作

通过对电子管高频振荡线路的分析和对导磁体感应器的试验，制作合适的高频导磁体感应器。     

The protective role of plasmalogens in iron-induced lipid peroxidation

The role of plasmalogens in iron-induced lipid peroxidation was investigated in two liposomal systems. The first consisted of total brain phospholipids with and without plasmalogens, and the second of phosphatidylethanolamine/phosphatidylcholine liposomes with either diacyl- or alkenylacyl-phosphatidylethanolamine. By measuring thiobarbituric acid reactive substances, oxygen consumption, fatty acids and aldehydes, we show that plasmalogens effectively protect polyunsaturated fatty acids from oxidative damage, and that the vinyl ether function of plasmalogens is consumed simultaneously. Furthermore, the lack of lag phase, the increased antioxidant efficiency with time, and the experiments with lipid- and water-soluble azo compounds, indicate that plasmalogens probably interfere with the propagation rather than the initiation of lipid peroxidation, and that the antioxidative effect cannot be related to iron chelation.     

转炉底吹KGC技术的引进与应用

主要介绍我国首次引进的转炉底吹气体控制ＫＧＣ技术的工艺要求，底吹气体流量、气体种类的控制功能，系统构成以及在宝钢三期二炼钢４＃、５＃转炉上的应用情况。     

Studies of suppression of the reflected wave and beam-scanning features of the antenna arrays

This paper describes a two-directional linear scanned design by integrating a short leaky-wave antenna (LWA) with aperture-coupled patch antenna arrays. This architecture proposes a technique not only having the advantage of suppressing the back-lobe due to the reflected wave in the short LWA but also producing two separate linearly scanned beams, each of them radiating in a different region of space (in both the front side and backside of the LWA). In this design, most of the reflected wave of the short LWA is coupled to the patch antenna arrays on the backside of the substrate. The phase of this coupled signal to each antenna element is adjusted by tuning the individual phase shifter in order to control electronically the patch antenna main beam in the cross plane (x<0). Meanwhile, on the front side, the main beam of the short LWA can be simultaneously scanned in the elevation plane (x>0) by changing the operating frequency. Hence, the two linear beam-scanning radiation patterns of individual direction can be created independently, including a narrow beam in the elevation plane (xy plane at x>0) at the front side and a broadside beam in the cross plane (xz plane at x<0) on the backside. The measured results show that the reflected wave of the short LWA in the proposed design is suppressed 8 dB as compared with a traditional short LWA without the aperture-coupled antenna arrays at 10.5 GHz. As a result, this novel architecture provides more flexibility both in the upward elevation plane (H plane) and the downward cross plane (backside-E plane) for possible beam-scanning applications in microwave communications and remote identification.     

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为筹集天然气工业发展急需的资金,本文提出在天然气价格未全面调整前,对超包干天然气实行议价,随行就市,直接受市场调节。本文对这一办法进行了可行性分析,并列出超产气议价的幅度的计算方法,供决策参考。