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何会海 C.Bacci 包克智 F.Barone B.Bartoli P.Bernardini S.Bussino E. Calloni R. Cardarelli S.Catalanotti S.Cavaliere F.Cesaroni 查敏 P.Creti 单增罗布 B.D''''Ettorre Piazzoli M.DeVincenzi T.DiGirolamo G.DiSciascio 冯振勇 傅宇 高晓宇 庚庆喜 郭宏伟 何瑁 黄庆 M.I 《中国物理 C》2001,(1)
利用羊八井50m2RPC地毯(YBJ-ARGO实验原型)的测试数据对其性能进行了分析研究,包括原初粒子方位角分布、天顶角分布、地毯的角分辨、探测时间系统误差对方位角分布的正弦调制、探测时间系统误差的离线修正、几何不对称的小型地毯探测器上原初粒子到达方向重建误差造成的方位角分布的不均匀性等. 相似文献
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Marek Studziński 《液相色谱法及相关技术杂志》2018,41(6):301-308
Planar chromatography was firstly introduced by Izmailow and Schreiber in 1938. Since then it has been used as a one of the basic techniques in liquid chromatography, but after introducing High Performance Liquid Chromatography in the 70’s of the past century by many investigators has been marginalized due to the worse separation capabilities and efficiency. The attempt of solving this problem was introducing forced flow planar techniques, and coupling it with other method of separation. In this article the ideas and history of Rotational Planar chromatography, Overpressured Layer Chromatography Planar Electrochromatography, and Thin Layer chromatography in Magnetic field have been presented. The short discussion on strong and weak sides of every presented technique and their further development possibilities was also included. 相似文献
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Summary The Pharmacia Automatized FPLC System equipped with a PepRPC HR 5/5 bonded-phase column was tested with dansyl polyamines, toluene, dimethyl- and dibutylphthalate, using either isocratic conditions or linear gradient-elution program of methanol in water as the mobile phase. A simple and reproducible method is described for the quantiation of dansylated natural polyamines, such as putrescine, spermidine and spermine originating from P388/S leukemia cells. Comparing the data from analyses performed in parallel by the Automated FPLC/PepRPC HR 5/5, and a Hewlett-Packard Model 1084B/LiChrosorb RP-8 systems a linear correlation has been found, with a regression coefficient of r=0.974. 相似文献
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This review represents a summary of the development and application of a novel mixed-mode HPLC approach to the separation and analysis of peptides and proteins termed hydrophilic interaction/cation-exchange chromatography (HILIC/CEX). This approach combines the most advantageous aspects of two widely different separation mechanisms, i.e. a separation based on hydrophilicity/hydrophobicity differences between polypeptides overlaid on a separation based on net charge. Applications described include HILIC/CEX separations of cyclic peptides, alpha-helical peptides, random coil peptides and modified or deletion products of synthetic peptides. In addition, the excellent resolving ability of HILIC/CEX for modified histone proteins is described. This approach is shown to represent an excellent complement to RP chromatography (RPC), as well as being a potent analytical tool in its own right. 相似文献
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An electrical model for multi-strip resistive plate chamber (RPC) is presented, and a comparison between simulation results and test data is carried on. Based on the model, the influences of the RPC's design parameters on the readout are studied with PSpice simulation. Cross-talk (CT) phenomenon is observed and the relative amplitudes of the CT are studied for different design parameters. 相似文献
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A thin layer of un-cured resin over metal substrates applied by using an acetone-diluted resin solution (without hardener) has been found to be beneficial to strong adhesive bonding. The resin pre-coating (RPC) solution can effectively seal sub-surface micro-cavities and increase the substrate wettability. This study examines possible aftermath effects of the acetone dilution on mechanical properties of epoxy through comparison of samples made from as-received resin and resins diluted once and twice by acetone. RPC can be accepted with confidence in substrate pre-treatments for strong adhesive bonding if no detrimental effect on epoxy properties is observed. Fourier transform infrared spectrum (FTIR) was conducted, showing the spectrogram of the resin previously diluted by acetone was the same as that of as-received resin, i.e. no change in epoxy molecular structures after complete evaporation of acetone. Strength and modulus of elasticity measured by flexural and compressive tests were compared using samples made from as-received resin, and resins diluted once and twice by acetone. Variations among results from the three groups were less than 2%, or negligible, affirming the RPC method can be used for substrate pre-treatments and stronger adhesive bonding. 相似文献
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Investigation of calculation method for anti-penetration of reactive power steel fiber concrete (RPC) 总被引:7,自引:0,他引:7
为了解决评估超高强活性粉末钢纤维混凝土的抗侵彻能力问题,根据混凝土在弹体侵彻过程中的介质状态及能量的分配关系,揭示了侵彻近区耗散能量结构与破碎区之间的比例尺度关系。由于近区介质的运动特性变形接近一维应变状态,受力类似于流体动力学状态,据此推导并简化了具有宽广的适用范围的侵彻计算公式,认为侵彻的深度主要由弹体的质量、形状、速度及靶体的强度、密度、断裂韧度、变形波速决定。通过多次的实弹试验,验证了公式的可靠性,得到了RPC的抗侵彻能力是普通混凝土的3倍的结论。 相似文献