A study of the solar atmosphere with high-resolution spectroscopic images: Acquisition system

Summary In this note we describe the image acquisition system realized as a part of an experiment designed to record high-spectral-resolution solar images in the visible part of the spectrum. The system is based on a Charge Coupled Device Thomson THX31159. The electronics for driving the sensor and for the amplification and conditioning of the video signal has been designed and built in the laboratory, while a VME-bus-based computer has been used for the timing of operations, for the signal A/D conversion and for image presentation and storage. Paper presented at the V Cosmic Physics National Conference, S. Miniato, November 27–30, 1990.     

初中生物理实验操作能力及品质的比较研究

物理实验操作能力是物理实验能力的核心。加强对学生物理实验操作能力的发展研究，能使教师了解学生实验操作能力的本质，把握学生物理实验操作能力的发展规律，并对学生实验操作能力的培养提供依据。本文主要研究初二、初三两年级物理实验操作能力及各品质的比较。经研究得出初三学生操作能力及各品质都要好于初二学生。     

激光等离子体X光辐射非平衡特性实验研究

在ＬＦ－１１和ＬＦ－１２高功率激光装置上进行的实验中，设计了一些特定的激光束－金腔靶－探测器条件，创造了激光直接加热、准辐射加热和激光、Ｘ光混合加热三种物理条件，采用软Ｘ光透射光栅能谱时空分辨技术，测量了腔靶、缝靶和双孔靶等高分辨Ｘ光能谱，研究了激光等离子体Ｘ光辐射非平衡特性。     

Effects of He－Ne laser irradiation on enzyme activity in milking Goats＇ seminal plasma

ＥｆｆｅｃｔｓｏｆＨｅ－ＮｅｌａｓｅｒｉｒｒａｄｉａｔｉｏｎｏｎｅｎｚｙｍｅａｃｔｉｖｉｔｙｉｎｍｉｌｋｉｎｇＧｏａｔｓ＇ｓｅｍｉｎａｌｐｌａｓｍａＹＵＥＷｅｎｂｉｎ；ＺＨＥＮＧＸｉａｏｚｈｏｎｇ；ＣＵＩＢａｏｗｅｉ；ＬＩＫｅｌｕ（ＳｈａｎｘｉＡｇｒ...     

A PRELIMINARY STUDY ON THE IMPACT OF MESOSCALE IRRIGATION OVER ARID LAND ON MESOSCALE CLIMATE

The present study investigated the modification of mesoscale inhomogeneous distribu-tion of soil wetness, resulting from mesoscale irrigation over arid or semiarid lands in mid-latitude in the later summer or early autumn, on mesoscale climate under conditions withand without synoptic flow influence, using an interactive model between soil and atmo-sphere. The simulations indicated that after a mesoscale irrgation, a wet soil breeze circu-lation was thermally forced, which was, in many features, similar to that of the sea breezecirculation. The influence of synoptic flows on the structure of thermally--induced wet soilbreeze circulation was also discussed.     

提高大学物理实验教学质量的措施与设想

本提出了提高大学物理实验教学质量的一些措施与设想。并加以简要论述。     

Top介子在高能正负电子对撞机上的产生

在顶色辅助的人工色(TC2)模型框架下,研究了中性top介子和顶夸克的联合产生过程e+e–→ttπ0t.结果显示此过程的产生截面比标准模型和最小超对称标准模型中e+e–→ttH过程的产生截面都要大.在TC2模型合理的参数空间内,其产生截面可达20fb.通过此过程可在将来的对撞机上探测中性top介子.     

A generating functional for ultrasoft amplitudes in hot QCD

The effective amplitudes for gluon momenta pgT in hot QCD exhibit damping as a result of collisions. The whole set of n-point amplitudes is shown to be generated from one functional , in addition to the induced current j_μ(X;A).     

我国空间物理学先驱桂质廷──纪念桂质廷教授100周年华诞

桂质廷（１８９５～１９６１），我国著名的地球物理学家．他是建国初期中国科学院地球物理组专门委员，第一个巡测了我国境内地磁常量的中国人．他最先和学生一道在国内进行了高空电离层的常规观测．他所创建的武汉大学游离层实验室，５０年来未曾间断电离层的观测研究．本文着重介绍他的生平简历、教学态度、学术成就和爱国主义思想．